BIOLOGY

Scientific name SoL(d) Humpback whale (a)Banana/ i

Explanation The humpback whale (b)Apple A
Q1.'Canis lupus' is commonly known (Megaptera novacangliae) is a species (c)OrangeHdI
as
of baleen whale. (d)Watermelon dBdu
The scientific name of Bumblebee is
Bombus SoL(b) Apple
SSC CPO 1603/2019 (Moraing) The scientific name of Tree frog is Explanation: The accepted scientific
(a)Cow/ Ts Hyla name of the apple, common apple, and
(b)Goat/ o t The scientific name of African wild paradise apple is Malus pumila.
(cGray wolf tR Azsr cat is Felis lybica The scientific name of Banana is
(d)Hen Hff Musa
04, Passer Dormesticus is commonly The scientific name of Orange Citrus
Sol.(c)Gray wolf known as
The scientific nanme of Watermelon is
Explanation : The wolf (Canis lupus),
Citrullus lanatus
ssc CPO 13/03/2019 (Evening)
(a) Parrot/ (b)Lark/ aI
07. Citrullus lanatus is the botanical
(c)SparrowMRUI (d)Pigeon dt name for

Sol.(c) sparrow
Explanation : Passer domesticus is sSC CPO 16032019 (Evening)
commonly known as sparrow. (a)AppletA (b)Watermelon dtU
The scientific name of pigeon is (c)Orange/ #dll (d)Banana/
Columbidae
The scientific name of parrot is Sol.(b) Watermelon
Psittacifomes Explanation: Citrullus lanatus is the
botanical name of Watenelon
The scienti eame of Ranana is
Q5. Which of the following flowers is
botanically known as Narcissu Musa
The scientific nane of Orange Citrus
X sinensis
SsC CPO l603/2019 (Evening) The scientific name of Watermelon is
(a)Rose JeTA (b)Carnation Jef-R Citrullus lanatus
(e)Lily/ fert (d)Daffodiv }tfs
Q8. Bos mutus is the scientific name
Sol. (d) Daffodil for:
Explanation: Daffodil is Botanically
known as Narcissus
sSC CPO 1603/2019 (Evening)
scientific name of Rose is Rosa (a)Wild Yak/ 4E
scientific name of Carnation is (b)Horse/ gI
Dianthus caryophyllus (cOv
scientifie name of Lily is Lilium (d)Buffalo
Q6. Malus pumila is the botanical Sol.(a) Wild Yak
name of the rec Explanation: The wild yak scientific
name Bos mutus is a large wild bovid
native lo the Himalayas. It is the
ssc CPOo 1w03/2019 (Evening)

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ancestor of the domestic yak (Bos (a)BI (b)C Explanation: Soybeans are the richest
grunniens) (c)B12 (d) source of protein. They contain 36
The scientific name of Horse Equus is grams of protein per 100 grams,
caballu Sol.(c)B12 Apples: are extremely rich
The scicntific narme of Ox is Bos Explanation: Vitamin Bl2 also known important antioxidants, flavonojds.
taurus
as cobalamin, is a waler-soluble and dietary fiber.
The scientific name of Buffalo is Bos vitamin involved in the metabolism of Wheat: is rich in carbohydrates.
taurus
every cell of the human body: it is a Groundnut:are rich in the vitamins
cofactor in DNA synthesis, and in niacin. folate, pantothenic acid,
09. What is the scientific name of both fatty acid and amino acid thiamin, riboflavin, choline, Vitamin
B6 and Vitamin E
ock ? metabolism.
peacoc
sSC MTS 06/08/2019 (Morning) are commonly known as O14. The National nstitute of
Q12.
(o)Psittacula Eupartia comb jellies./ Nutrition is located in :
(b)Pavo Cristatus
(c)Eudynamys scolopaceus SSCCHSL 207/2019 (evening)
(d)Molpastes Cafer SSC MTS 22/08/2019 (Morning) (a) Shillong/et
(a)Platyhelminthes/ TA (b) Indore' r
Sol(b)Pavo Cristatus (b)Arhropoda/ aifsI (c) Mumbai/ a
Explanation: The Indian peafowl, also (c)Ctenopbora fsT (d) Hyderabad taaz
known as the common pcafowl, and (d)Mollusca/ eSI
blue peafowl, is a large and brightty SoL(d) Hyderabad
Sol(c)Ctenophora Explanation: The National Institute of
coloured bird, is a species of peafowl Explanation: Ctenophores, variously
native to the Indian subcontinent. but Nutrition is located in Hyderabad. It is
known as comb jellies, sea one fthe oldest research centres in
introduced in many other parts of the
gooseberries, sea walnuts, or Venus's
world. India and the largest center under the
girdles, are voracious predators. Indian Council of Medical research
Q10. The Lion Tailed Macaque is also Unlike cnidarians, with which they (ICMR)
called share several superficial similarities,
they lack stinging cells. Instead, in QI5. Deficiency of which of the
order to capture prey. ctenophores following nutrients is the most
SSC MTS 09/08/2019 (Evening)
possess sticky cells called colloblasts common cause of goiters?
(a)Silver Baboon / f R
(b)Beard Baboon / faus tR Nutrition in Animal
(c)Black Baboon / R sSC-CHSL 3/07/2019 (Evening)
(d)Houler Baboon /ser tr Q13. Which of the following has the
(a) Iron/ 3r4A
(b)VitamiC faef
highest protein content per gram? (c) Calcium bfH
SoL(b)Beard Baboon
Explanation: The lion-tailed macaque (d) lodine/ 3u
(Macaca silenus), or the wanderoo, is SSC-CGL 04/06/2019 (Evening)
an Old World monkey endemic to the (a) Apple/ Ha SoL. (d) lodine
Westerm Ghats of South India. (b)Soyabecan t4T Explanation : Goitre is swelling in the
(c) Wheatg neck duce to enlarged thyroid gland.
The main reason behind this is the
oll.Cobalamin is the scientific name (d) Groundnut/
of Vitamin ioine deficiency.
Sol .(b) Soyabean
o16. Which of the following is a
SSC MTS 14/08/2019 (Evening) fat-soluble vitamin that plays a role in

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Explanation: The richness of amla can
blood clotting, bone metabolism and Q18. Which vitamin is prepared by
be gauged from the fact that an
our body in the presence of sunlight?
regulating blood calcium levels. average quality picce of the ruit,
weighing about 100 grams, may
sSC CPO 4/03/2019 (Morning) contain up to 800 mg of vitamin C.
much more than a commercially
(a)Vitamin
(b)Vitamin C/ faetfaa ft
SSC CHSL 09/07/2019 (Morning) available tablet.
(a)Vitamin C/ faciAHC (c)Vitamin Dfaefa
(b)Vitamin B faeifA B (d)Vitamin B faeftat 021. For the autotrophic form of
(c)Vitamin K/ faeifH K nutrition, is necessary.
(d)Vitamin A/ faetfaA Sol.(c) Vitamin
Explanation : The naturally occurring
vitamin is cholecalciferol, which is SSC MTS 0s08/2019 (Afernoon)
Sol(c)Vitamin K
Explanation : Vitamin K refers to a fomed from 7-dehydrocholesterol in (aXChlorophyll and oxygen etfb
group of fat-soluble vitamins that play the h
human skin by exposure to
a role in blood clotting, bone sunlight. Sunlight is a natural sOurce (b)Methane / f
of Vitamin D. The provitamin (cXCarbon monoxide and water I
metabolism, and regulating blood
caleium levels. The body needs 7-dehydrocholesterol is activated to
D3 by the ultraviolet rays of sunlight. (dyCarbon dioxide, water, chlorophyll
vitamin K to produce prothrombin, a
protein and clotting factor that is and sunlighy $4 3g JtHIS3, q.
important in blood clotting and bone Q19. Human body creates
metabolism. Vitamin from sunlight.
Sol.(dyCarbon dioxide, water,

Q17. There are three types of chlorophylland sunlight

Explanation: Autotrophic nutrition is a
heterotrophs, Which of the following SSCCCPO I5/03/2019 (Morning)
(h)B rocess in which the organism
is NOT one of them? (a)D produces their food from simple
(c)C (d)A
inorganic materials such as water,
carbon dioxide and mineral salts in th
SSC CPO 13/03/2019 (Morning) Sol.(a) D
(a)Consumers/ G Explanation: Human skin can make presence of sunlight. ... They make
large amounts of vitamin D when lots their own food with the belo of water.
(b)Carnivores/ ifAIgTI
(cOmnivores/Hfrt of skin is exposed and the sun is high solar energy, and carbon dioxide by
(d)Herbivores/ RIITSI in the sky. Our body gets the vitamin the method of photosynthesis.
Dii needs by pro it when our
Sol.a) Consumers skin is exposcd to The part of 022. Which of the following vitamin
Explanation : As per SSC right answer the sun's rays that is important is is related to steteonormsis?

is option (a) ultraviolet B (UVB).

But All the given options are
Q20.Which of the following is richest sSC MTS 06082019 (Eveaing)
heterotrophs. (a)Vitamin B faetH
Consumers in a food chain are living
in Vitamin C? (b)Vitamin A/ t f U
creatures that eat organisms from a
different population. They are (c)Vitamin C/ faeifae
?
heterotrophs because they get energy SSC MTS 0208/2019 (Evening) (d)Vitamin D' faetf
by consuming other oranisms: the (a) Soya Milk/t4I U (b)Apple ta
organisms at the bottom of the food (d)CarrotR SoL(d)Vitamin D
ie)AmaTHI Explanation: Vitamin D is just as
chain are called Autotrophs,
organisms that make their own energy. important for keeping bones strong
Solkc)Amla
and preventing the bone disease

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osteoporosis. Vitamin D helps our Fat soluble vitamins-ADE andK

intestines absorb calcium from the
O28. Vitamin B Complex consists of
food we cat.so the deficiency of SSC MTS 19/08/2019 (Evening)
Dcauses Osteoporosis. how many vitamins?
(a)0.2 (b)0.1
(c)0.15 (dyo.05
O23. In which of the following type of sSC CHSL. 17-03-2020 (Aferaoon)
organism autotrophic nutrition is
Sol.(b)0.1 (3) 5 (b) 8 (c)6 (d) 7
found?
Explanation: The amount of energy at
cach trophic level decreases as it Sol.(b) 8
moves through an ccosystem As little Vitamin B Complex consists of 8
SSC MTS 08/08/2019 (Aflernoon)
(a)Fungi/ d as 10 percent of the energy at any vitamins - BI (thiamine), B2
(b)Virus/ fauru trophic level is transferred to the next (ribo lavin), B3 (niacin), BS
(c)Protozoa/ ielus level; the rest is lost largely through (pantothenic acid). B6 (pyridoxinc).
metabolic processes as heat. B7 (biotin), B9 (folate) and B12
(d)Bacteria/ iary
(cobalamin).

Sol{d)Bacteria 026.Which of the following nutrients

Explanation: Bacteria make their own stores maximum energy per gram? Q29. Which of the following is a
water soluble vitamin?
food by converting light energy.
chemical energy inorganic
sSC CPO 12/12/2019 (Morning)
substances into usable energy that (a) Vitamins /fàct
these sinole celled organisms need to SSC CHSL 17-03-2020 (Moraing)
(b) Proteins / (a) Vitamin C/ fecifHC
live. That is why bacteria are called
(c) Fat / HII (b) Vitamin DfaeifaD
autotrophs (d) Roughage /7 (c) Vitamin A/ faerfaHA
(d) Vitamin K/ faeftK
Q24. The commonly used Vitamin B
Sol.(c)Fat
Complex is constituted of how many
Explanation: Fat is the body's most Sol. (b) Vitamin D
vitamins? concentrated source of energy. Explanation Th water-soluble
providing more than twice as much vitamins includ ascorbic acid
potential energy as carbohydrate or (Vitamin C), thiamin. riboflavin,
SSC MTS 19/08/2019 (Morning) protein. During exercise, stored fat in niacin, vitamin B6, folacin, Vitamin
(a8 (b)l2 the body (in the form of triglycerides BI2, biotin and pantothenic acid.
in adipose or fat tissue) is broken
(c)10 (d)6
down into fatty acids.
Q30. Proleins are assembled from
Sol.(a)8 how many amino acids?
Explanation: Vitamin B complex i Q27. Select the water soluble vitamin
composcd of eight B vitamins: - B-I among the following?
(thiaminc), B-2 (riboflavin), B-3 SSC CHSL 19-03-2020 (Evening)
(a) 10 (b) 5 (c) 20 (d) 15
(niacin), B-S (pantothenic acid). B-6
SSC CPO 13/122019 (Evening)
(pyridoxin ), B-7 (biotin), B-9 (folie (a) Vitamin K
acid), B-12 (cobalamin) Sol(c) 20
(b) Vitamnin D Explanation :The linear sequence of
(c) Vitarmin C amino acids within a protein is
Q25.What percent of encrgy (d) Vitamin A
transmitted from one trophic level to considered the primary structure of the
another in a food chain? protein. Proteins are buil1 from a set of
Sol. (c) Vitamin C only 20 amino acids, each of which
Explanation: Water soluble vitamins has a unique side chain. The side
B and C

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 BIOLOGY

chains of amino acids have diferent

chemistries. The largest group of Q33. Is The Result Of 035. In plants, Phloem is responsible
amino acids have nonpolar side The Covalent Bonding Of A Sugar for the transportation of
chains. Molecule, Such As Glucose Or
Fructose To A Protein Or Lipid
SSC MTS 20 08/2019 (Morning)
Nutrition in plant Molecule, Without The Controlling
Action Of An Enzyme. (a) Food/ I
(bXarbon Dioxide /TÉA STS JTegS
Q31. During photosynthesis, green (c)Water /
plants use encrgy from sunlight to (d)Minerals/gye
synthesize with cartbon
ride and waler
SSC CPO 1403/2019 (Evening)
(A) Glycation /ISOYH Sol.(a)Food
(B)Cellular Respirationteer YE Explanation: Phloem is the vascular
(C) Phosphorylation teifeftaU tissue responsible for the transport of
(D)Pyruvate Oxidationqg=de sugars from source tissues (ex.

SSC-CGL 06/06/2019 (Evening) photosynthetic leaf cells) to sink

es Other molecules Such as
(a) Sucrose / tissues.
(b) Glucose / TorH Sol.(a) Glycation proteins and mRNAs are also

(c) galactose / Explanation: Glycation is the result of

transported throughout the plant via
(d) fructose / g the covalent bonding of a sugar phloem.
molecule, such as glucose or fructose,
Sol.(b) Glucose to a protein or lipid molecule without
Q36. Which process helps in the
Explanation: Plants use energy from the controlling action of an enzyme. absorption and upward movement of
Glycation may occur either inside the
sunlight to turn water and carbon water and minerals from the roots to
dioxide into an energy rich sugar body or outside the body. It is a the leaves?
called glucose. This process is called haphazard process that impairs the
photosynthesis, which means "making functioning of biomolecules, and does
things with light". Photosynthesis not require the expenditure of ATP.
takes place inside capsules in the leaf SSC MTS 21/08/2019 (Evening)
cells, called CHLOROPLASTS. Q34. Photosynthesis process occurs in (alSedimentation / HICH
the presence of (bCondensation t 4
(c)Accumulation / s
Q32. Name the tissue that transport
Fad to various parts offa plant.ut (d)Transpiration / e f
SSC MTS 19/08/2019 (Afternoon)
(a) Sulphur Hebt Sol(d)Transpiration
SSC-CGL 12/06/2019 (morning) (b)Chlorophyll and Sunlight/ Rrtftb Explanation: Transpiration helps in the
(a) Parenchyma -FHI absorption and upward movement of
(b) Xylem/ ^CH (c)Nitrogen/ 5 e water and minerals dissolved in it
(c) Phloem/ ega (dyCadmium/sfH4H from roots to the leaves. Transpiration
() Sclerenchyma/ RO1HI also heps in the temperature
Sol.(b)Chlorophyll and Sunlight regulation (in plants).
Sol(c) Phloem Explanation: The process of making
Explanation : The
,.
xylem tissue food by green plants in the presence of Q37.Which plant tissue is responsible
transports waler and minerals from the sunlight and chlorophyll is known as for transport of water and minerals
roots to the leaves whereas the phloem photosynthesis. Photosynthesis is the from roots to the leaves?
tissue transports food from the leaves combination of two words- Photo
to the other parts of the plant. Synthesis. Photo' means light and
'Synthesis' means to make.

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SSC MTS 22/08/2019 (Evening) Explanation: Chloroplasts are the part ATP per glucose are actually
(a)PhloemyH (b)Xylem/GI4 of plants that carry out photosynthesis, produced, however, two are consumed
(c)Stomata/eHTeI (d)Pith/HI the process of converting light energy as part of the preparatory phase.
to energy stored in the form of sugar
SoL(b)Xylem and other organic molecules that Deficiency and Diseases
Explanation: Xylem and Phloem plants use as food.
tissues are prescnt throughout the 042. Which of the following is a
plant. They begin at the root and then Q40. Autotrophic organisms' carbon communicable disease?
move up to the stem, branches, and and energy related needs are fulflled
leaves. The xylem tissue transports by process. SSC-CGL 04/06/2019 (Evening)
water and minerals from the roots to
the leaves whereas the phloem tissue
(a) Measles/I (b) Scurvy/ H
(c) Asthma/ HI (d) Diabetes/ Lg
transports food from the leaves to the
CHSL 16-10-2020 (Evening)
other parts of the plant. Sol (a) Measles
(a) Photoautotrophs/ oRat
Explanation: Measles: is a
038. Which of these is the energy
conversion that happens in the process
(b) Photosynthesis/ JOI THÈRA communicable disease.lt is caused by
called photosynthesis?
(TaetfrE) a virus. Encephalitis, inflammation of
(c) Hibernation the brain is a serious disease which is
(815<NA) caused by measles.
(d) Bio Synthesis tetg Scurvy: a disease caused by the lack
SSC CGL 4/3/2020 (evening)
(a) Potential Energy to Chemical (affrA) of vitamin C (ascorbic acid).
Energy / tZRIUA ( f z aftad yi Asthma: it is an incurable disease but
Sol.(b) Photosynthesis it can be controlled. Its symptoms are
(b) Light Energy to Chemical Energy /
Explanation: Autotrophic nutrition is a chest pain,breathing problems etc.
(c) Heat Energy too Chemical Energy / process in which the organism Diabetes: too much spike in blood
produces their food from the simple sugar level is temed as diabetes. In
(d) Heat Energy to Light Energy /e inorganic materials such as water, Diabetes pancreas doesn't secrete
carbon dioxide and mineral salts in the enough insulin or it doesnt utilize
Sol.(b) Light Energy to Chemical presence of sunlight. All the green effectively.
energy plants have an autotrophic mode of
Explanation: Photosynthesis IS a nutrition.
Q43. During photosynthesis, green
process by which green plants and plants use energy from sunlight to
certain other organisms make their Q41. How many molecules of ATP are synthesize with carbon
own food by trans forming the light obtained by the espiration of one dioxide and water.
energy into chemical energy. moleeule of glucose?

Q39. Which part of a plant cell traps

sunlight to make sugar? sSC CGL9-03-2020 (Afernoon)
(a4 (b)2 (c)38 (d)36 sSC-CGL. 0606/2019 (Evening)
(a) Sucrose /H
? Sol.(b) 2 (b)Glucose / TgH
SSC CHSL 18-03-2020 (Evening) Explanation :In aerobic conditions, the (c))galactose / tet
(a) Chloroplast /GEZ process converts one molecule of (d) fructose / pa
(b) Starch grain /T 3I glucose into two molecules of
(c) Chromoplast /trR pyruvate (pyruvic acid), generating Sol. (b) Glucose
(d) Leucoplast / R energy in the form of two net Explanation: Plants use energy from
molecules of ATP. Four molecules of sunlight to tum water and carbon
Sol.(a) Chloroplast dioxide into an energy rich sugar

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 BIOLOGY

called glucose. This process is called (b) Mumps/ o l l

photosynthesis. Photosynthesis takes Sol.(d) Vitamin D (c) Hepatitis z9gfa
place inside capsules in the leaf cells, Explanation: Rickets is a skeletal (d) Cholera/
called CHLOROPLASTS. disorder which is caused due to lack of
vitamin D. calcium, or phosphate. Sol. (b)) Mumps
044. Which of the following is NOT a These nutrients are important for the Explanation Mumps is a disease
symptom of Wilson's disease? development of strong, healthy bones. which is caused by viral infection that
So those who are suffering from affects our salivary glands. It can be
rickets have weak and soft bones. prevented easily by a vaccine
sSC-CGL 06/06/2019 (Evening)
(a) Problems with speech, swallowing 046. The deficiency of which nutrient
or physical coordination/ a Pue 049. Which of the following is NOT a
causes night blindness? water bome discase?

CHSL. 04/07/2019 (Morning)

(b) Uncontrolled movements or sSC-CGL 0706/2019 (Evening)
muscle stiffness/ HtefRrai 36g I
(a) Typhoid/ ZISIS3
(a) Vitamin K/ faerfr K (b) Mumps/ a
(b) Vitamin C/ fazfrHC (c) Hepatitis tersfa
(c) Fluid build-up in the legs or (c) Proteins (d) Cholera/ t
(d) Vitamin A/ faeifAA
(d) Night blindness/ T¥ut
Sol.(c) Hepatitis
Sol.(d) Vitamin A Explanation:Hepatitis refers to an
Sol .(d) Night blindness Explanation : Explanation : Vitamin A inflammalory condition of the liver.
Explanation: Night blindness also deficiency (VAD) or hypovitaminosis I's commonly caused by a viml
called nyctalopia is the inability to see A is a lack of vitamin A in blood and
infection, but there are other possible
well at night or in poor light. Its tissues. Nvetalopia (night blindness)is causes of hepatitis. These include
causes include glaucoma medications one of the first signs of VAD. autoimmune hepatitis and hepatitis
and cataracts.
Wilson's disease,-In a healthy body,
that occurs as a secondary result of
Q47. Night blindness is caused by the medications, drugs, toxins, and
the liver filters out excess copper and
deticiency of vitamin alcohol.
releases it through urine. When it
not eliminated properly and extra
Q50.The Bacille Calmette-Guerin
amount of copper is build up in the SSC-CGL II062019 (Evening)
vaccine(popularly called BCG
body then it is named as Wilson's (a) K (b) A
disease (c) C (d) B12 vaccine) is a vaccine to prevent which
of these diseases?
Symptoms incBude swelling, fatigue,
abdominal pain Problems with Sol.(b) A
speech, swallowing or physical Explanation : Night blindness
coordination. (nyctalopia) is the inability to see well CHSL 0S07/2019 (Morning)
at night or in poor light. Its causes (a)JaundiceGlsH
include glaucoma medications and
045. A deficiency of (b)Typhoid
CEOIS
is a disease of rickets. cataracts. It is caused due to the (c)Tuberculosis/ 441
deficiency of Vitamin (d)Polio/ f e

SSC-CGL 06/06/20 19 (Evening) Q48. Which of the following is NOT a Sol(c)Tuberculosis

(a) Vitamin C/ffaHC water borne discase? Explanatie BCG, or bacille
(b) Vitamin A / faefAA Calmette-Guerin, is a vaccine for
(c) Vitamin B/ertHB
SSC-CHSL 3/07/2019 (Evening) tuberculosis (TB) disease. Tuberculosis
(d) Vitamin D/ faefrD (a) Tynboid/ 7TTST
is an infectious disease which affects

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our lungs and it gets spread fromn one increased blecding and it is inherited
person to another through tiny droplets as an X- linked excessive trait.
SSc CPO 1303/2019 (Evening)
released into the air through coughing. (a)Bone Marrow failure/ fa HÀ
Q53. Hypokalacmia is caused by the
Q51.Which part of the human body deficiency of (b)Thalassemia / ffafiru
gets affected by the illness
(c)Stroke 3TuTa
osteoporosis?
(d)Thrombosis /tftra
SSC CHSL. I1/07/2019 (Morning)
(a)lodine r s
(b)Potassium/ kfrH Sol.(b) Thalassemia
CHSL 05/07/2019 (Morning) Explanation : Thalassemia is an
(a)Bones/Bt (c)lron A
(dCalcium/ bferqH inherited blood disorder in which our
(b)Lungs/ bg body makes an abnormal fom of
(c)Brain/ afras haemoglobin and because of this the
Sol.(b) Potassium
(d)Kidney/ T Explanation: In hypokalemia, the level oxygen carrying capacity of our blood
of potassium in blood is too low. A is also affected which ends up in
Sol.(a)Bones low potassium level can make muscles fatigue weakness and slow growth of
Explanation : Osteoporosis, or porous feel weak, cramp. twitch, or even the body.
bone, is a disease characterized by low become paralyzed, and abnormal heart
bone mass and structural deterioration Q56. Which of the following is the
rhythms develop as well. It can cause
of bone tissuc, leading to bond cardiac arrest as well. vector of Malaria?
fragility and an increased risk of
fractures of the hip, spine, and wrist. It SSC CPO 1403/2019 (Morning)
Q54. ldentify the disease causcd by (a)Acdes Mosquito/ gs HU
is a condition in which bones become
the deficiency of Vitamin B1.
weak and brittle. (b)Anopheles Mosquito/ beft

Q52.Which onc of the following is an SSC CPO 1203/2019 (Evening) (c)Sand Fly/ T^H
X-linked, recessive disorder caused by (a)Ariboflavinosis/ SAefaa A (d)Fleas fr
the deficiency of functional
clotting factor VIll(FVII), which may olasma (b)Beriberi/ a f
(c)Rickets H Sol.(b) Anopheles Mosquito
be inherited or arise from spontancous (dGlossitis fargi quH Explanation: Malaria is caused by
mutation? Plasmodium parasites. The parasites
Sol.(b) Beriberi are spread to people through the bites
Explanation : Beriberi is a discase of infected female Anopheles

caused by a vitamin B-I deficiency. mosquitoes, called "malaria vectors."

also known as thiamine deficicncy.
There are two typcs of the disease: wet 057. Poor vision in humans can be
SSC CHSL 05/07/2019 (Afternoon)
beriberi and dry beriberi. Wet beriberi due to the deficiency of
(a)Multiple Myeloma
affects the heart and circulatory
system. In extremne cases, wet beriberi
(b)Leukemia/ bfru can cause heart failure. SSC CPO 14/03/2019 (Morning)
(c)Venous ThrombosisH Tfre
(d)Haemophilia A/ a s f e A (a)lron/ g
Q55. is an inherited (b)Vitamin A/faeifaAr
blood disorder due to which people (C)lodine aTsia
Sol.(d)Haemophilia A (d)Vitamin D' faetaAA
Explanation : Hacmophilia A is a suffering from this condition are
recessive disorder caused by the unable to makeRGSobin
haemog
Sol(b) Vitamin A
deficiency of functional plasma
clotting factor VIL. It causes

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 BIOLOGY

Explanation: A lack of vitamin A body doesn't make enough insulin or it

causes the cornea to become very dry. doesn't utilise the insulin effectively. Sol.(c)vitamin Bl
leading to clouding of the front of the Explanation: Beriberi is a discase
eye, comeal ulcers and vision loss. 060. Which Of The Following caused by a vitamin B-l deficiency.
Vitamin A deficiency also causes Factors Does Not Afect the Level Of also known as thiamine deficiency.
damage to the retina, which also Glycated Hemogiobin? There are two types of the discasc: wet
contributes to blindness. beriberi and dry beriberi. ... In extreme
cases, wet beriberi can cause heart
Q58 is a commonly used failure.
sSC CPO 1403/2019 (Evening)
medicine that can help treat pain and
reduce high body temperature
(A) Blood DeficiencyRAB Q63.Which of the following diseases
(B) Iron Deficiency/afA 0 T is caused by a virus?
(C) Memory Loss qIGAINA AI
(D) Pregnancy/TfaRA
SSC MTS 02/08/2019 (Evening)
SSC CPO 15/03/2019 (Morning) Sol.(c) Memory Loss (a)Tetanus/ fet
(a)Dextromethorphan/ tefatA Explanation: Glycated hemoglobin is (b)Leprosy/ 8
(b)Bismuth /frqy a form of hemoglobin that is (c)Rubella/
(c)Paracetamo îufrerit covalently bound to glucose. (d)Malaria Heku
(dJGuaifenesin/ Tfbtri Hemoglobin carries oxygen in the
blood. When hemoglobin is exposed Sol.(c)Rubella
Sol. (c) Paracetamol to glucose in the blood, they are bound Explanation: The discase is caused by
Explanation: Paracetamol is together through the glycation process. the rubella virus, a togavirus that is
commonly used medicine that can HbAlc is a measure the enveloped and has a single-stranded
help treat pain and reduce a hig beta-N-1-deoxy fructosyl component RNA genome. The virus is transmitted
temperature (fever). It's typically used of hemoglobin. by the respiratory route and replicates
to relieve mild or moderate pain, such in the nasopharynx and lymph nodes.
as headaches, toothache or sprains, Q61. Nyctophobia is the fear of: The virus is found in the blood 5 to 7
and reduce fevers caused by illnesses days after infection and spreads
such as colds and flu.
sSC-CPO 14/03/19 (Morning) throughout the body.
(a)Birds qet (b)Darkness/ 3
059. Diabetes is a condition in which (c)Animals/ 4 (d)Ligh/ H 064.Which of the following diseases
the level of in an individual's is caused by severe deficiency of
blood becomes too high. Sol.(b)Darkness proteins?
Explanation: fear of darkness
Nyctophobia
fear of birds -Ornithophobia sSC MTS 05/08/2019 (Morning)
ssC CPO IS/03/2019 (Morning) fear of animals - zoopbobia (a)Kwashiorkor/ gfruffs
(a)sucroseyOTG fear of light - Photopbobia (b)Anaemia/ -
(b)glucose/Toy (c)Osteoporosis fRAÜG
(c)galactose tRa
062. Beri Beri is caused due to lack of (dGoiter
(d)maltose/ Hea
Sol(a)Kwashiorkor
Sol.(b) glucose SSC MTS 02/08/2019 (Afternoon) Explanation: Kwashiorkor is a severe
Explanation: In diabetes the level of
blood sugar in the body becomes very
(a)vitamin B3/ faerfH B3 form of malnutrition associated with a
(b)vitamin B6/ faeifA B6 deficiency in dietary protein. The
high.the reason behind this is that our (c)vitamin BI/facfAH BI extreme lack of protein causes an
(d)vitamin BI2/ facfAH BI2 osmotic imbalance in the

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gustro-intestinal system causing (c)AIDS/ gH gland produces too litle thyroid

swelling of the gut diagnosed as an (d)Hepatitis gersfeu hormone, it is stimulated to produce
edema or retention of water. more, lcading to the swelling.
Sol.(b)Diarrhoea
Q65. Hepatitis is caused by Explanation: Rotavirus vaccine is a Q70.In humans, the deficiency of
vaccine used to protect against which vitamin leads lo the disease
SSC MTS 06/08/2019 (Morning) rotavirus infections, which are the Berry Berry ?
(a)ParasiteRt leading cause of severe diarrhea
(b)Bacteria/4Ru among voung children. The vaccines
(c)Virus/ arTA prevent 15-34% of severe diarhea in SSC MTS 09/08/2019 (Evening)
(a) Vitamin D/ fAA D
(d)Fungi / r t the developing world and 37-96% of (b)Vitamin A / fcIA A
severe diarrhea in the developed
Sol.(c)Virus
(c)Vitamin C/fetfH C
world.
Explanation: Hepatitis refers to an (d)Vitamin Bl / aetftH BI
inflammatory condition of the liver. 068. Which of the following diseases
Sol(d)Vitamin Bl
It's commonly caused by a viral is caused by a virus?
infection, but there are other possible Explanation: Beriberi is a disease
causes of hepatitis. These include caused by a vitamin B-1 deficiency,
also known a
autoimmune hepatitis and hepatitis SSC MTS 07/082019 (Evening)
(a)Ringworm/'4I<
that occurs as a secondary result of
medications, drugs. toxins, and (b)Cholera Bu Q71. Whicl 451/592
communicabh
alcohol, (c)Meas
(d)Typhoid ZE^S
066.Which of the following is a
SSC MTS 13/08/2019 (Morning)
Communicable disease? Sol.(c)Measles (a)Diabetes / r
Explanation: Measles is caused by (b)TB 4A( .. )
SSC MTS 06/08/2019 (Evening) infection with the ubeola virus. The (c)Chicken Pox / e s
(a)Measles/HI (b)Asthma/RH virus lives in the mucus of the nose
(dYCholera /
and throat of an infected child or
(c)Diabetes HgAE
(d)Alzheimer/ sfeulSHK adult. The disease is contagious for 4
days before the rash appcars, and i Sol(a)Diabetes
continues to be contagious for about 4 Explanation: Diabetes is called a
Sol.(a)Measles non-communicable discase-that is,
Explanation: Measles is a highly to 5 days after.
one that can not be spread from one
contagious virus that lives in the nose person to another. It is a disease that
and throat mucus of an infected Q69. Goitre is caused due to lack of
person. It can spread to others through takes many years to develop. Diabetes
which hormone in the body ? is a defect in the way that our bodies
coughing and sncezing. Also, measles process sugar, impairing the removal
.ehour in an
vius can live for up to two
SSC MTS 09/08/20L of sugar from the bloodstream.
airspace where the infected person Evening)
coughed or sneezed. (a)Thyroxinc /T5
(b)Adrenaline / fer Q72. Anthrax is caused by :
(e)Testosterone / }RRtA
067. .Rotavirus vaccine is used to SSC MTS 13/08/2019 (Evening)
(dJEstrogen /
prevent which disease? (a)Virus/ fry
(b)Bacteria tfay
Sol.(a)Thyroxine
(c)Fungus/ *
MTS 07/08/2019 (Afternoon) Explanation: Hypothyroidism is the (d)Protozoa/ e n
olio ifr result of an underactive thyroid gland,
(b)Diarrhoea/SIuf and this causes goiter. Because the

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 BIOLOGY

Sol.(b)Bacteria grow in tissues that are normally MTS 21/08/2019 (Aftern oon)
Explanation: Anthrax is a rare but sterile. (a)Female Anopheles / HII oi
serious illness caused by
spore-foming bacterium, Bacillus Q75. Which of the following is not a (b)Male Anopheles /TADÍI
anthracis. Anthrax mainly affects water-born disease ? (c)Male Aedes Egypti S yfaý
livestock and wild game. Usually. (d)Female Aedes Egyptil HIGI stg
anthrax bacteria enter the body ssC MTS 20/08/2019 (Morning)
through a wound in the skin. You can (a)Hepatitis A/ RèersflH A
also become infected by eating (b)Measles/ SHI Sol(a)Female Anopheles
contaminated meat or inhaling the (c)Typhoid /TIEDI^S Explanation: Female Anopheles
spores. (dCholera l carries the parasite of malaria. Female
Anopheles mosquitoes pick up the
Q73. Kala Azar is caused by which Sol.(b)Measles parasite from infected people when
organism? Explanation: Measles is caused by a they bite to obtain blood needed to
virus and it is passed directly through nurture their eggs.
SSC MTS 14/08/2019 (Morning) contact and through air as wel.
(a)Escherichia coli/ nfst sre Waterborne diseases are caused by 078. What is the mode of
(b)Azobacter/tRR drinking contaminated or dirty water. transmission of disease Yellow vein
(c)Clostridium / Rfefsun Contaminated water can cause many saic of bhindi (okra)"?
mosaic
(d)Leishmania /feAuT types of diarrheal diseases, including
Cholera, and other serious illnesses
Sol.(d)Leishmania such as Guinca worm discase, MTS 22/08/2019 (Afternoon )
Explanation: Kala Azar is caused by a Typhoid, and Dysentery. (a)Insect/ te (b)Seeds
protozoan parasite of Leishmania (c)Water/ (dJAir aI
genus. Kala Azar is a slow advancing Q76. The deficiency of which of the
and naturally occuring disease. In India following leads to the Pellagra disease Sol.(a)lnsect
the parasite which causes this disease Explanation: The vius is transmitted
is Leishmania Donovani. by the whitely (Bemisia tabaci,.
Parbhani Kranti, Janardhan, Haritha,
ssc MTs 2/082019 (Morning) Arka Anamika and Arka Abhay. The
074. Typhoid and T.B are which kind
(a)Vitamin
of diseases ? discase is transmitted by whitefly
(b)Vitamin B2/ f a f B2 insects.
MTS 16/08/2019 (Afternoon) (c)Riboflavin /I0vetfaa
(a)Bacterial / afta# (d)Niacin / rufra Q79. Which of the following discases
(b)Virus caused /fayufa has been eradicated worldwide ?
(c)Protozoa / et Sol.(d)Niacin
(d)Fungal / t s Explanation: Pellagra is a disease
caused by low levels of niacin, also sSC CPO m2/2019 (Morning)
Sol.(a) Bacterial known as vitamin B-3. I's marked by (a) dracunculiasis $4p4 JT
Explanation: Typhoid and TV are dementia, diarrhea, and dermatitis. (b) chicken Pox G
bacterial diseases. Bacteria are a type also known as "the three Ds". If left (c) Plague/
of microorganism, which are tiny untreated, pellagra can be fatal as (d) Smallpox /
forms of life that can only be scen well.
Sol. (d) Smallpox
with a microscope. Bacterial diseases
occur when pathogenic bacteria get Q77. Which mosquito caries the Explanation: Smallpox has existed for
parasite of malaria ? at least 3,000 years and was one of the
into the body and begin to reproduce
and crowd out healthy bacteria, or to world's most feared discases until it
was eradicated by a collaborative

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global vaccination programme led by Q82. Xerophthalmia is caused to another. The hamfu! use of alcohol
the World Health Organization. The the deficiency of vitamin contributes to over 200 health
last known natural case was in conditions, the majority of which are
Somalia in 1977. ... Smallpox was NCDs, including cancers,
SSc CGL 43/2020 (morning) cardiovascular discases, and liver
(a) C cirhosis.
(b) K
(c) D 085. which of the following can be
(d) A
diagnosed with the Widal test?
Sol.(d)A
Explanation: Xerophthalmia is an eye SSC CGL 7-03-2020 (Afternoon)
disorder that is caused due to the
(a)Typhoid fever/eIs^S gR
efficiency of the vitamin A. Abnormal (b)Tuberculosis/44
dryness of the conjunctiva and cornea (c)Cancerer
of the eye, with inflammation and (d)AIDSgH
ridge formation is Xerophthalmia.
Sol.(a) Typhoid Fever
Q83. Permicious anaemia is caused by Explanation: The Widal test is one
the deficiency of vitamin method that is used to help make a
presumptive diagnosis of enteric fever,
also known as typhoid fever
SSC CGL S/3/2020 (afternoon)
(a) BI/I
Q86.Which of the following is caused
(b) B2/ 2
(c) B6 6
by a virus named "Varicella Zoster?
(d) B12/ 12
SSC CGI. 7-03-2020 (Afernoon)
Sol.(d) B12 (a)Chickenpoxf
Explanation: Permicious anemia is (b)Polio fer
caused by the deficiency vitamin B12. (cCholera
It is a discase in which the body can't (d)Rabiest
absorb enough BI2.
Sol.(a) Chickenpox
Q84. Which of the following discases Explanation: Chickenpox is caused by
is NOT trSol.mitted from one person Varicella zoster. Chickenpox is most
to another? commonly affecting children, tcens
and young adults. It is an airbone
discase that is casily transferred from
SsC CGL. 63-2020 (Morning) one person to another by sneczing and
called scurvy. Symptoms of:fscurvy (a) Cirrhosis/ ftriftra
include easy bruising, casy bleeding coughing.
(b) Hepatitis B sfa
and joint and muscle pains.. Vitamin C (c) AIDS/ EH
deficiency can be treated with Q87. Deficiency of which of the
(d) Syphilis Arsfre following vitamins causes Night
supplements of vitamin C and a diet
Blindness?
rich in vitamin C.
Sol.(a)Cirhosis
Explanation: Cirrbosis is
trSolmitted from one person to SSC CGL 9-03-2020 (Morning)

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 BIOLOGY

(a)Vitamin C/ faerfH C (a) Multiple SclerosisI H4a 091. Which of the following eye
(b)Vitamin A/ faefA disorders is known as "lazy cye'? /
(c)VitaminD /faefrAD (b) Diabetes mellitus / 34fa
(d)Vitamin B/faeiftAB
(c) Scleroderma / tguí ssC CHSL 13/10/2020 (Morning)
Sol.(b) Vitamin A (d) Rheumatoid arthritis (RA)fiu (a) Myopia/ Hriftu
Explanation: Vitamin A deficiency (TRY) (b) Presbyopia/ treritftu
(VAD) or hypovitaminosis A is a lack (c) Hypermetropia /515ufretuy
of vitamin A in blood and tissues. It is
Sol.(b) Diabetes mellitus (d) Amblyopia/ rf
common among children and women
Explanation: Multiple Sclerosis is a
of reproductive age. Nyctalopia (night potentially disabling discase of the Sol.(d) Amblyopia
blindness) is one of the first signs of brain and spinal cord. In this, the Explanation: Amblyopia is a type of
VAD. immune system attacks the protective poor vision that happens in just one
sheath (myelin) that covers nerve eye. It develops when there's a
O88. Haemophobia is the fear of: fibers and causes communication breakdown in how the brain can't
problems between the brain and the recognize the sight from one eye. Over
SSc cGL 9-03-2020 (Evening) rest of the body
time, the brain relies more and more
(a)darkness / 3}uTR on the stronger eye while vision in the
(b)heights /ers Diabetes Mellitus is a condition weaker eve gets worse.
(c)water / - defined by persistently high levels of
(d)blood/ ZÆ1 sugar (glucose) in the blood. Pancreas Q92. Deficiency of thiaminc results in
produce a hormone called insulin,
Sol.(d) blood which is essential to help glucose
enter the body's cells. In a person
Explanation:
known as
Blood phobia,
hematophobia
also
or without diabetes, the pancreas
SSC CHSL 16-10-2020 (Afernoon)
(a) Rickets/ fbea
haemophobia is an extreme irational produces more insulin whenever blood (b) Pellagra/ teyT
fear of blood. levels of glucose rise and the insulin (c) Beriberi t à
signals the body's cells to take in the (d) Scurvy/ oi
089. Which causative microorganism glucose. In diabetes, either the
is responsible for the common cold pancreas's ability to produce insulin or Sol.(c) Beriberi
and influenza (flu)? the cells' response to insulin is altered. Explanation: Deficiency of Vitamin
BI(thiamin) results in Beriberi.
Scleroderna is a long-lasting disease
SSC CHSL 18-03-2020 (Afternoon) that affects skin, connective tissue and Q93. Leukopen ia' is an abnormal
(a) Viruses internal organs. It happens when the
(b) Protozoa
immune systen causes the body to
(c) Fungi make too much of the protein
(d) Bacteria collagen, an important part of skin. As SSC CHSL 16-10-2020 (Evening)
a result, the skin gets thick and tight. (a) increase in red blood cells/ I
Sol(a) Viruses
and scars can fom on lungs and
Explanation: Viruses are responsible kidneys. (b) decrease in white blood cells/
for the common cold and influenza
(c) decrease in red blood cells/ GIG
(flu) Rheumatoid arthritis is a long-term,
progressive and disabling autoimmune (d) increase in white blood cells/ HpG
090. What disease is caused by disease. It causes inflammation,
insulin deficiency? swelling and pain in and around the
SSC CHSL 12-10-2020 (Morning)
joints and other body organs. Sol.(b) decrease in white blood cells

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Explanation: 'Leukopenia' is an sSC CPO 23-11-2020 (Morning) lymphatic) and by the way the discase
abnormal decrease in white blood (a) Knee / yeI progresses (acute or chronic). Acute
cells (b) Heart /U and chronic do not refer to how
(c) Eye/a serious the discase is but to how
Q94. Depression is a disorder. (d) Stomach te rapidly it progresses.
SSc CHSL 20-10-2020 (Evening) Sol.(c) Eye Q100. Tumours that normally remain
(a) mood/ Hl
Explanation: Conjunctivitis means confined to their original location and
(b) dissociative/ faucARfT 'inflammation of the conjunctiva', and do not spread to other parts of the
(c) schizophrenic frghtsfG the commonest cause is infection by body and cause little damage are
(d) somatoform/ Isf viruses or bacteria. Conjunctivitis can called tumours.
also be due to chemical iritants,
Sol.(a) Mood traditional eye remedies or allergy. It
Explanation: Depression is a mood is usual for both eyes to be affected in
disorder. It may be described as infectious cases.
feelings of sadness, loss or anger that SSC CPO 25-11-2020 (Evening)
(a) premalignant/ deft
interfere with a person's everyday Q98. Polio is caused by which of the
activities. following organisns? (b) benign
(c) active Hfby
095, Which of the following viruses (d) malignant/E
is responsible for causing influenza? SSC CPO 23-11-2020 (Morning)
sSC CHSL 21-10-2020 (Morning)
(a) Fungi/ pas Sol(b) benign
(a) Varicella virus (b) Bacteria a r Explanation: A benign tumor is a mass
(b) Rubeola vinus (c) Protozoa tegan of cells (tumor) that lacks the ability to
(d) Virus/frrg either invade neighbouring tissue or
(c) Myxovirus
get spread throughout the body.
(d) Poliovirus
Sol./d) Virus Whereas Malignant tumors are the one
Explanation: Polio, is a disabling and which can invade nearby tissue and
Sol.(c)Myxovirus life-threatening disease caused by the get spread to the other parts of the
Explanation: Myxovirus is responsible poliovirus. The virus spreads from body.
for causing influenza.
person to person and can infect
person's spinal cord, causing paralysis Reproduction in animals
096, Which of the following viruses (can't move parts of the body).
is responsible for causing influenza?
QU01. Which of the following is the
sSC CHSL. 21-10-2020 (Morning) Q99. Leukaemia is a cancer of the: third stage in the metamorphosis of a
(a) Varicella virus
Ssc CPo 241-2020 (Meraing) butterfly?
(b) Rubeola virus
(c) Myxovirus (a) skin/
(d) Poliovirus (b) blood/ T SSC-CGL 10/06/2019 (Evening)
(c) lungs/ (a) Egg stsI (b) Pupa/ g
(d) uterus Tfes (c) Adulv qURE (d) Larval f
Sol.(c)Myxovirus
Explanation: Myxovirus is responsible
for causing influenza. Sol.(b) blood Sol.(b) Pupa
Explanation: Leukacemia is a cancer of Explanation: All butterflies have
the Blood. "complete metamombosis T
To grow
097. Conjunctivitis is an infection
primarily related to Leukaemia affects white blood cells into an adult they go through 4 stages:
and can be classified by the type of egg. larva, pupa and adult. Each stage
white cell affected (myeloid or has a diferent goal - for instance.

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 BIOLOGY

caterpillars need to eat lot. and (a)lnternal Fertilisation/ JTdfrs Area (b)Ovary/ HSTRA
(c) Uterus/ T-f4
adults need to reproduce.
(b)In Vitro Fertilisation/ ÊH kau (d) Vagina
O102. Which of the creatures is (c)External Fertilization/ Ig Ae SoL(b) Ovary
oviparous? Explanation: Primary sex organs in a
(d)Ex Vitro Fertilization c
female consist of a pair of ovaries
sSC-CGL 11/06/2019 (Morning) which are oval bodies Iving at the
(a) Frog/ HGo (b) Rabbi/
Sol.(a)lnternal Fertilisation back of the abdomen below the
(c) Mouse I (d) Squirrel/ fAr
Explanation: Reproduction in human kidney. Each ovary consists of many
beings is by sexual reproduction ovarian follicles. Each follicle can
Sol.(a) Frog produce an egg. The secondary sex
where both the male and fernale
Explanation: Frogs are oviparous. organs in a female are fallopian tubes,
They lay eggs, which then develop gametes fertilize to give rise to an
embryo. The fertilization of human uterus, and vagina.
outside of the mother. Ovoviviparous
embryos occurs inside the body of the
animals develop from eggs, but the female. Thus, it i called Intermal Q107. The phenomenon whereby the
mother does not lay eggs, the eggs
remain inside the mother's body and Fertilization. female gamete undergoes
hatch while still inside the mother, the development to form new organisms
young are then bom sometime after Q105. During fertilisation in living without fertilisation in some

the eggs hatch. beings, fusion of male and female organisms like honey bees, some
gametes takes place to form a cell lizards and birds is called:
called:
O103. In humans, fertilisation usually
takes place in the

ssC CPO 13/12/2019 (Evening) sSc CPO 25-11-2020 (Evening)

SSC CPO 12/03/2019 (Evening) (a) Ovum /fs
(a)Ovary/3SRT4 (a) Budding/ H
(b) Sperm / (b) Fragmentation/ fats
(b)Vagina (c) Embryo/V (c) Apomixis/ 3reTuH
(c) Fallopian tube fAafer (d) Parthenogenesis/ sf
(d)Uterus TfR4 (d) Zygote / i e

Sol.(c) Fallopian tube Sol. (d) Zygote Sol.(d) Parthenogenesis

Explanation: The phenomenon
Explanation : A pregnancy starts with Explanation: Zygote isa cukaryotic whereby the female gamete undergoes
fertilization, when a woman's cgg cell formed by a fertilization event
joins with a man's sperm. Fertilization development to form new organisms
between two gametes. The zygote's without fertilisation in some
usually takes place in a fallopian tube genome is a combination of the DNA
organisms like rotifers, honey bees,
that links an ovary to the uterus. If the in cach gamete, and contains all of the some lizards and birds is called
fertilized egg successfully travels genetic information necessary to form
down the fallopian tube and implants a new individual. In multicellular Parthenogenesis. It is a type of asexual
organisms, the zygote is thc carliest reproduction in which growth and
in the uterus, an embryo starts development of an embroyo from an
growing. developmental stage. unfertilized egg cell.
Q104.Reproduction in Humans occurs Q106, Which of the following is the
through which type of fertilisation ? primary sex organ in females? Reproduction in Plant

Q108. Which of the following gases

sSC MTs 14/08/2019 (Afternoon) sSc CGL 6-03-2020 (Morning)
reduces the oxygen carrying capacity
(a) Fallopian tube/ f a of the blood?

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Sol. (a) Gymnosperns individuals and, when fully mature,

Explanation: Gymnosperms- They are detach from the parent body and
sSC-CGL 07/06/2019 (Morning) lowerless plants that produce cones become new independent individuals.
(a) Nitric oxide/ 1sf6 staegs and seeds in which seeds are not
(b)Carbon dioxide/ r STHT^3 encased within an ovary Q13. Which among the following is
(c)Carbon Monoxidel Bryophytes are floweriess plants that the male part of a flower ?
produce cones and seeds in which
(d) Nitrous oxide/ TSGH TTSS seeds are not encased within an ovary
Angiosperms-In angiospems seed is sSc CPo 12/1/2019 (Morning)
Sol.(c) Carbon Monoxide
(a) Stigma /fR
Explanation: The gus that reduces the produced by flowering plants and is (b) Stamen /
enclosed within an ovary.They rely on (c) Pistil /fafa
capacity of the blood to carry oxygen animas for their reproduction. (d) Style / RIST
is CARBON MONOXIDE. It gets
deposited in the haemoglobin of Red
QiI. Which of the following are Sol. (b) Stamen
Blood Cells (RBCs) and prevents
proper oxygen carrying capacity. .
flowerless plants that produce cones Explanation: Stamen is the male part
and seeds in which seeds are not

lower:Thelly
of th is a plant's
encased within an ovary? female part. It ris shaped like
o109.In which part of the female
Nower does fertilisation take place? a bowling pin and is located in the
flower's center. It consists of a stigma,
SSC-CGL. I1/06/2019 (Evening) style and ovary.
SSC CHSL 04/07/2019 (Morning)
(a)Ovary/tSTRTY (b) Stigma qf-41 (a) Gymnosperms/ 3Tqt
(c) Filamen/ da (d) Styledfda (b)Angiosperms/ TgA QI14. How do Pteridophytes
(c) Bryophytes/ _ZI reproduce?
Sol.(a) Ovary (d) Hydrophytes/ 15$TOIEI SSC CPO 12/12/2019 (Evening)
Explanation :Fertilization takes places (a) With the help of budding /aid
in the ovary of the female
Sol.(a) Gymnosperms
flower. When a carrying agent like Explanation: Gymnosperms- They are (b) With the help of spores /aTy
wind/water/animals carry pollen flowerless plants that produce cones
grains from male anthers to the female and seeds in which seeds are not (c) With the help of pollens /qmEu
flower part i.e. stigma, a pollen tube encased within an ovary
forms and the pollen grain travels (d) With the help of seeds /
down the style and finally reaches the Qi12.Which type of reproduction
ovary where it fertilizes an ovule. occurs in hydra?
O115. What is the term used for
O110. Which of the following are SSC MTS 08/08/2019 (Morning) pollination by wind?
flowerless plants that produce cones
(a)Fragmentationfts
and sceds in which seeds are not
(b)Budding H#rH SSC CPO 13/12/2019 (Morning)
encased within an ovary? Fission/ ftft stsa
(c)Binary F (a) Endophily / stftf
(d)Spore Formation ory ufu (b) Siciophily / fafkrotefA
(c) Anemophily / fsfi
Sol.(b)Budding (d) Angioplasty / tfaTA
SSC-CHSL 3/07/2019 (Evening) Explanation: Organisms such as hydra
(a) Gymnosperms/ 3Ig use regenerative cells for reproduction
(b) Angiosperms/ 3 g t Sol. (c) Anemophily
in the process of budding. In hydra, a Explanation: Anemophily or wind
(c) Bryophytes/ rSZI bud develops as an outgrowth due to
(d) Hydrophytes/ 15s^CI repeated cell division at one specific pollination is a form of pollination
whereby pollen is distributed by wind
site. These buds develop into tiny
 BIOLOGY
Sol. (b) With the heipof spores QI18. DNA is stored majorly in Explanation Lysosomes are
Explanation: Ferns are secdless of the cell. membrane-enclosed organelles that
vascular plants that reproduce and contain an aray of enzymes capable
spread through spores; these plants of breaking down all types
contain vascular tissue,but do not SSC-CGL IW/062019 (Evening) of biological polymers proteins.
flower or sced. (a) golgi body/ c 4
nucleic acids, carbohydrates, and
(b) cytoplasm IIg4 lipids.
(c) plasma membrane/ e r r
Ql16. The development of a fruit
without fertilization is called
(d) nucleus/ s The Most
QI21.
Abundant Molecule In Cells,
Sol.(d) nucleus Accounting For 70% Or More Of
SSc cGL 4/3/2020 (afternoon) Explanation : DNA is mainly stored in Total Cell Mass.
(a) Gamctogamy the cell nucleus (where it is called
(b) Parthenocarpy nuclear DNA), but a small amount of
DNA also stored in the
(c) Hybridogenesis
(d) Apomixis mitochondria (where it is called SSC CPO 14/03/2019 (Evening)
mitochondrial DNA or mtDNA). (A) Nucleic AcidzfTE STT
Sol(b) Parthenocarpy (B) Lipid ferfts
Explunation: Parthenocarpy is the Ol19, The term Mitochondria' was
(C) Protein/et
natural artificially induced (D) Water T
coined by:
production of fruit without fertilisation
of ovules, which makes the fruit Sol.(d) Water
secdless SSC-CHSL 3/07/2019 (Afernoon) Explanation: Cells are composed of
(a) J ESalk E water, inorganic ions, and
(b) Carl Benda/ e f s carbon-containing (organic)
Q117.What is the yellow dust present (c) Charles Laveran a u
in the middle of a flower called? molecules. Waler is the most abundant
(d) Antonie van Leeuwenhoek/ eri molecule in cells, accounting for 70%
or more of total cell mass,
sSC CGL 9-03-2020 (Morning)
(a)Stomata / C Sol. (b)Carl Benda O122.Which of the following cell
(b)Pollen/ T Explanation : Mitochondria was
organelles is known as a suicidal
(c)Sperm / OTU coined by Carl Benda in 1898.
(d)Zygote / Mitochondria is referred to as the
"powerhouse of the cell" because they
Sol.(b) Pollen are responsible for releasing energy SSC MTS 02/08/2019 (Afternoon)
Explanation: The yellow powder from food. (a)Golgi Apparatus dã
present in the middle of a flower is (b)Mitochondria /ofÜr•I
Q120. are called sujcidal bags of (c)Lysosome /4HOT
called pollen, which is present on the
the celL. (d)Endoplasnic reticulum / sta q e
anthers pollen grains, and the stick
that bolds it is called a stamen.
Flowers reproduce when bees or other
SSC CPO 1203/2019 (Evening)
pollinators carry pollen between Sol{c)Lysosone
flowers. (a)Golgi Apparatus"tos Explanation: It bursts to cat a dead
(b)Lysosomes elIgrAA cell.
(c)R+bosomes UISreH A lysosome is an organelle of cells. It
Cell : Basic unit of life (d)Mitochondria/4^eteifRU is filled with enzymes that can digest
things. When a cell is about to die,
Sol.(b) Lysosomes lysosome bursts to eat up the dead

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cells leaving space for new cells to QI27. Which cell organelle has its
come. own DNA and Ribosomes ?
Q125.Which cell organelle helps in
keeping the cell clean by digesting any
Q123.Which of the following cell external matter and bad sell
sSC MTS 19/08/2019 (Afternoon)
orvanelle contains DNA apart from organelles?
nucleus?
(a)Leukoplast / fquff raG (TRE
(b)Chromoplast /uraGS (GTE)
SSC MTSs 05/08/2019 (Morning) sSC MTS 16/08/2019 (Affernoon) (cCell Vacuole / i f I ur
(PHTSH)
(a)Cytoplas/ olRaI G8 (a)Golgi Apparatus / eri qued
(b)Mitochondria / H1Seafug n (d)Mitochondria
(b)Golgi Apparatus/ J45
(c)Mitochondria' H15oifgu1 (c)Plastits / r
(d)Ribosome/ I50H (d)Lysosome /SrH
Sol(d)Mitochondria
Explanation: The eukaryotic cell
Sol.(c)Mitochondria SoL(d)Lysosome organelles that possess their own DNA
Explanation: Nuclear DNA and Explanation: Lysosomes are a kind of
mitochondrial DNA differ in many waste disposal system of the cell. and ribosomes are only chloroplast
ways, starting with location and and mitochondria. They have 70S
Lysosomes help to keep the cell clean nbosomes and single circular
structure. Nuclear DNA is located by digesting any foreign material as
chronosomes just like prokaryotes.
within the nucleus of eukaryotic cells well as worm-out cell organelles.
and usually has two copies per cell Foreign materials entering the cell. O128. Which protein protects the
while mitochondrial DNA is located in such as bacteria or food, as well as old
the mitochondria and contains organelles end up in the lysosomes, epithelial cells from damage?
ies ner
100-1,000 copies cell. which break them un into small

pieces. ssC CPO 9/12/19 (Evening)

O124.Which of the following is NOT (a) Collagen/ uA
feature of Eukaryotic cells? (b) Elastin $efa
(c) Actin' g
Q126.Which cell onganelle is also
(d) Keratin u f
known as 'powerhouse of Cell"?
SSC MTS 08/08/2019 (Evening)
(a)Nucleus well organized asi RE Sol.(d) Keratin/ ufA
SSC MTSs 16/08/2019 (Evening)
(b)Mitochondria presenU HI_etatfs (a)Lysosome/ letH Explanation:Keratin is the key
structural material making up hair.
(b)Mitochondria/ HI^2rsif nails, feathers, horns, claws, hooves,
(c)Chloroplast absent in plant cells / (c)Golgi Apparatus/ Te gyu
calluses, and the outer layer of skin
(d)Plastids/ eEH
among vertebrates.. t also protects
(d)Nuclear membrane presen bao epithelial cells from damage or stress..
Sol.(b)Mitochondria
Explanation: Mitochondria are known
Q129.The entire content ofa living
Sol.(c)Chloroplast absent in plant as the powerhouses of the cell. They cell is known as which
cells are organelles that act like a digestive includes the cytoplasm and the
Explanation: Like mitochondria, system which takes in nutrients.
nucleus
chloroplasts also have their own DNA breaks them down, and creates energy
rich molecules for the cell. The
and ribosomes. Chloroplasts function
in photosynthesis and can be found in biochemical processes of the cell are
cukaryotic cells such as plants and known as cellular respiration. SSC CPO 12/12/2019 (Morning)
(a) mitochondria /HT^eTo13
algae.

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(b) lysosomes /srata Q134. Which of the following cell
(c) protoplasm / e H Q132. The scentific study of a cell is organelles is responsible for the
(d) cell membrane / ofJOI Ift called: storage modification
no and
ckaging of products in vesicles?
Sol. (c) protoplasn
Explanation: The entire content of a SSC CGL 7-03-2020 (Morning)
living cell is known as protoplas1m. I (b)histology /f sSC CHSL 21-10-2020 (Evening)
includes the cytoplasm and the
nucleus,
(c)physiology /TR fT (a) Mitocbondria/|1eifg
(d)taxonomy/ t (b) Plastids/fs
Q130. In normal cells, the process of (c) Golgi apparatus/r gyeu
the flow of s tic information from Sol.(a) Cytology (d) Endoplasmic reticulum/3a: ycat
DNA to RNA is called: Explanation: Cytology: the branches
of biology and medicine concened
h the
with structure and function of
plant and animal cells.
Sol.(c) Golgi apparatus
SSC CPo 12/12/2019 (Evening) Explanation: Mitochondria is known
Histology is the branch of biology
(a) transportation / yRaA which studies the microscopic
as the powerhouse of the cell. They
(b) transcription / faerai help turn the energy we take from
anatomy of biological tissues.
(c) translocation /3arG food into energy that the cell can use
Physiology is the scientific study of Plastids are the site of manufacture
(d) translation / 1 functions and mechan isms in a living and stoage of important chemical
system.
Sol. (b) transcription compounds used by the cells of
Taxonomy is the science of naming.
Explanation: Transcription is the autotrophic cukaryotes. They often
defining and classifying groups of contain pigments used in
process in which a gene's DNA biological organisms on the basis of
sequence is copied (transcribed) to shared characteristics. photosynthesis.
make an RNA molecule. RNA Golgi ispparahus is responsible forr the
polymerase is the main transcription storage, modification and packaging
Q133. are called the of products in vesicles.
enzyme. Transcription begins when
'Powerhouses' of the cel. Endoplasmic reticulum is a large.
RNA polymerase binds to a promoter
sequence near the beginning of a gene dynamic structure that serves many
(directly or through helper proteins). roles in the cell including calcium
SSC CGL. 9-03-2020 (Morning) storage, protein synthesis and liquid
(a)Lungs /
Q131. is known as the suicide metabolism.
bag of the cell
(b)Mitochondria /H15oifg
(c)Pituitary glands / freget ufrt
(d)Arteries / Hfut Sensory Organs
Ssc CPO 13/12/2019 (Evening)
Sol.(b) Mitochondria Q135. Where is Rhodopsin alsa
(a) Lysosome /5rHT! Explanation: Mitochondria are tiny called visual purple, located in the
(b) Cellulose /H
(c) Lignin / f f organelles inside cells that are human body?
(d) Protoplasm / ieIH involved in releasing energy from
food. This process is known as cellular
respiration. It is for this reason that sSC-CHSL 3/07/2019 (Afternoon)
Sol. (a) Lysosome mitochondria are often refered to as (a) HairqTG (b) Hand / 3
Explanation: Lysosomes are known as the powerhouses of the cell. (c) NaiV AA (d) Eye/ f
a suicidal bag of celis because it is
capable of destroying its own cell in Sol. (d) Eye
which it is present.

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450

BIOLOGY

Explanation : Rhodopsin, also called Explanation: Snuff indicators indicate

visual purple is found in the retina of Q138.Tears in the eyes are produced changes in smell not in colour,
the eyes.It is extremcly sensitive to by which of the follo o olands? physical state or chemical state.
light. It enables vision in low light
conditions. Q141. Skin is which of the following
sSC CHSL 09/07/2019 (Evening) types of membrane ?
Q136. Which of the following (a)Lacrimal gland
instruments is used for visual (b)Thyroid gland 5ss ufu
examination of cardrum? (c)Pituitary gland tyfr1 UfU SSC MTS 14/08/2019 (Morning)
(d)Hypothalamus gland/ U:r tfu (a)Serous membrane fera
(byCutancous membrane a
Sol.(a)Lacrimal gland
SSC CHSL 04/07/2019 (Afternoon) Explanation: In human physiology. (c)Synovial membrane ftT
(a)Phonograph/ -urS the lacrimal glands are paired,
(d)Mucous membrane / Rf i
(b) Polygraph/
ph almond-shaped exocrine glands, one
(c)Otoscope/ for each eye, that secrete the aqueous
(dJOptometer/ tgrfr Sol.(b)Cutaneous membrane
layer of the tear film. They are
situated in the upper lateral region of Explanation: The skin is an epithelial
Sol.(c)Otoscope cach orbit, in the lacrimal fossa of the membrane also called the cutaneous
Explanation:An otoscope or auriscope orbit formed by the frontal bone. membrane. It is a stratified squamous
is a medical device which is used to epithelial membrane resting on top of
look into the cars. Health care connective tissue.
Q139. Olfactory receptors are located
providers use otoscopes to screen for in our
illness during regular check-ups and Q142.Which part of Human ear
also to investigate car symptoms. An collects sound from its surrounding?
otoscope potentially gives a view of SSC CPO 12/03/2019 (Morning)
the car canal and tympanic membrane (a)Nose/ 6 (b)Tongue
or eardrum. (c)Ears/ OH (d)Eyes/ a sSC MTS 16/08/2019 (Evening)
(a)Pinna $¯uret (b)AnvilfryrÉ
Q137.The pigment that gives human Sol.(a) Nose (c)Cochlea/Gufed (d)HammerHR
skin, hair and eyes their colour is Explanation olfactory receptos
called: (ORs) are located in our nosc. Sol.(a)Pinna
Olfactory receptors are also called as Explanation: The auricle (pinna) is the
smell receptors capable of binding visible portion of the outer car. It
collects sound waves and elchannels
odour molecules that play an
sSC CHSL. 09/07/2019 (Morning) important role in the sense of smell. them into the ear canal , where the
(a)phthalocyanine teruf sound is amplificd.
(b)melanin/ etf
Q140. Snuff Indicators Indicate
(c)quinacridone fISSTA Changes In The Following QI43. Which muscles in the skin
(d)alizarin/ yftruf contract to make the hairs on our skin
stand up straight (goosebumps) when
Sol.(b)mclanin SSC CPO 1403/2019 (Evening) we are cold or frightened?
Explanation : Melanin: The pigment (A) Chemical StateR
that gives human skin, hair, and eyes (B) Physical State
their color. Dark-skinned people have (C) Colour t
more melanin in their skin than (D) Smell /
light-skinned people have. Melanin is SSC CPO 9/12/19 (Morning)
produced by cells called melanocytes. Sol.(d) Smell
(2) Elastin/ genfea
(b) Epidernis/ fuqf

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451
 BIOLOGY

(c) Collagen/ alèya flow with the blood and kill any
(d) Arreetor piliisRR fA foricgn host that can make us ill so
Explanation:The purpose of the
they are called as soldiers of the
Sol.(d) Arector pilisRRR fUef human body
retina is to receive light that :lens
Explanation:The arrector pili muscles Eosinophils- are a type of
are small muscles attached to hair has focused, convert the light into
disease-fighting white blood cells.
follicles in mammals. Contraction of neural signals, and send these signals
They are usually linked with allergic
these muscles causes the hairs to stand on to the brain for visual recognition.
on end, known colloquially as goose diseas, andin bonccertain infections. They
are made mamow and then it

bumps. O145.The helps in cqualising the Nows to different tissues,

pressure on either sides of the Red blood cells: Red blood cells are
cardrum. made in bone marrOW and they live for
Q144. The function of the retina i
around 120 days. Their main function
is to cary oxygen from Iungs to the
ssc CGL 3--2020 (Evening) rest of our body.
SSC CPO 9/12/19 (Evening) (a)cochlear nerve/ feff afa1 Basophils: are a type of white blood
(b)malleus/ Afeue
(clincus Arrf
cell. They are produced in the bone
(a)close the eyes through the eyelids marrow,.. They're part of our immune
to prevent damage to the lens from (d)eustachian tube/ $rouilf
system and play a role in its proper
excessive ligh t 34Afas function
Sol.(d) eustachian Tube
Explanation: The custachian tube Q147. Which of the following gascs
controls the pressure within the middle reduces the oxygen carrying capacity
(b) process the information gathered
ear, maintaining pressure equal to of the blood?
by photoreceptor cells and send it to outside the body. It is canal that
the brain to decide what the picture
connects the middle car to the
nasopharynx, which consists of the SSC-CGL 07/06/2019 (Morning)
upper throat and the back of A.
the nasal (a) Nitric oxide/ sf* HTSS
cavity. (b)Carbon dioxide' IÉT SIETRI^S
(c)Carbon Monoxide

Circulatory System (d) Nitrous oxide EGH 3TGH^S

(c) lubricate the eye by releasing
tears in a controlled wav/ EG
Ql46. Which cells in our body are Sol(c) Carbon Monoxide
popularly called "soldiers of the
Explanation: The gas that reduces the
hurman body"? capacity of the blood to carry oxygen
(d) adjust the focus of the lens for is CARBON MONOXIDE. It gets
formation of a clear image/ 4E SSC-CGL 0406/2019 (Evening) deposited in the haemoglobin of Red
(a) Eosinophils gutaftbE Blood Cells (RBCs) and prevents
(b) White blood cells/ 74 proper oxygen carrying capacity.

(c) Red blood cells fTÜ Q148.Which of the following is NOT

Sol.(b) process the information a valve of the Heart?
(d) Basophils qftbe
gathered by photoreceptor cells and
send it to the brain to decide what ssC CHSL 1007/2019 (Evening)
the picture is/ yoR TI I b 3 Sol (b) White blood cells
(a)Mitral AI^Ça
Explanation: White blood cells: they (b)Aortic HIUHA
protect our body against foreign
bodies and infectious diseases. They
(c)Tricuspidfeu

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452

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(d)Septum/ qe Q151. The process of blood clotting i

called Sol.(dYCrocodile
Sol.(d)Septum Explanation: Crocodiles have been
Explanation: The septum is the classificd as reptiles in spite of having
cartilage in the nose that separates the sSC CPO I503/2019 (Morning) four chambered hearts because they
nostrils. Typically, it sits at the center (a)coagulation/ h<A have dry. non glandular skin,.
and divides the nostrils evenly. (b)ahrombocytopenia/ rarerserf epidermal scales are also present.
(c)haemophilia friftf
They are cold blooded,oviparous, etc.
O149.The right pulmonary artery (d)homophobia' sfau AlI these features are SDecific for
reptiles, so crocodiles are reptiles.
Sol. (a) Coagulation
SsC CHSL IL/07/2019 (Evening) Explanation: Coagulation is also
QI54. Which of the following has a
(a)longer than the lefN ari Ñl eI known as clotting. is the process by two-chambered heart?
which blood changes from a liquid to
(b)wider than the lef/ r HA a gel, forming a blood clot. It
potentially results in hemostasis, the sSC MTS 19/08/2019 (Evening)
(c)shorter than the left/ arf qeHA cessation of blood loss from a (a)Human beings/ H4
damaged vessel, followed by repair. (b)Sparrows/T
(d)of the same size as the lef/ ari
(c)Monkey
O152,Which component of blood (d)Fishes H9
Sol.(a)longer than the lef
fights against the germs entering into
hurman body ? Sol.(d)Fishes
Explanation : A pulmonary artery is Explanation: Fish have a single circuit
an artery in the pulmonary circulation for blood flow and a two-chambered
that carries deoxygenated blood from sSC MTS 09/08/2019 (Evening)
(a)Hacmoglobin /eifaa heart that has only a single atrium and
the right side of the heart to the lungs. a single ventricle.
ve The atrium collects
The largest pulmonary artery is the (b)Red Blood Cells / A A TNAN blood that has returned from the body
main pulmonary artery or pulmonary (c)Platelets / farag(zteH) and the ventricle pumps the blood to
trunk from the heart, and the smallest (d)White Blood Cells / HDC the gills where gas exchange occurs
ones are the arterioles, which lead to
and the blood is reoxygenaled. This is
the capillaries that surround the
called gill circulation
pulmonary alveoli Sol.(d) White Blood Cells
Explanation: White blood cells (also Q155. Which chamber of human heart
O150, Which of the following is the called leukocytes) are a key part of the gets oxygen ich blood from the lungs
universal recipient blood group? immune system. The immune system
helps the body defend itself against
infection. Different types of white
sSC CPO 12/03/2019 (Evening) blood cells (WBCs) fight germs, such sSc MTS 2/08/n2019 (Afernoon)
(a)0 (b)B as bacteria and viruses (a)Left Ventricle /4 er4
(c)A (d)AB (b)Left Atrium / u feta
Q153.Which reptile have (c)Right Ventricle /zt4 ers
Sol.(d) AB four-chambered heart? (d)Right Atrium / t fet<
Explanation: People with AB blood
group are universal recipients because ssC MTS 19/08/2019 (Afterneon)
(a)Tortoise y
Sol.(b) Left Atrium
they have no antibodies to A,B or Rh
in blood so they can easily receive (b)King Cobra f a
Explanation:
from
:Oxygen-ri-rich blood flows
the lungs back the left
blood from people of any blood group. (c)Chamelcon frfte
atrium , or the left upper chamber of
(dCrocodile RHJ the heart, through four pulmonary

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 BIOLOGY

veins. Oxygen-rich blood then flows Explanation: Hh or the Bombay blood

through the mitral valve into the left group, isa rare blood type. This blood
ventricle,or theleft lower chamber. phenotype was first discovered in ssC CGL 4/3/2020 (afternoon)
Bombay. now known as Mumbai, in (a) Lungs / $
Q156. carries India, by Dr. Y. M. Bhende in 1952. It (b) Heart /BG4
Oxygenated (c) Brain / Hf5
blood from the lungs to the heart. is mostly found in South Asia and
parts of the Middie East such as Iran. (d) Bone Marrow / B

SSC MTS 22/08/2019 (Evening) Q158.The blood vessels that carry Sol.(d) Bone Marrow
(a)Aorta/ HgIEH-A blood from the heart to the various Explanation: In an Adult human all
(b)Renal. parts of the body are called: the Red blood cells (RBC) are
(c)Pulmonary vein/ tbg-fRI produced by bone marrow. Production
(d)Vena Cava/ HEiRIRI takes place under the control of the
SSC CPO 12/12/2019 (Morning) hormone erythropoietin (EPO).
Sol.(c)Pulmonary veins (a) arteries / Aut
(b) veins /
Explanation: The pulmonary artery Q161. Who perfoms the task of
carries deoxygenated blood from the (c) septum /yA capturing oxygen in the blood?
right ventricle into the lungs for (d) capillaries /#ftery
Oxygenation. The pulmonary veins
carry oxygenated blood from the lungs Sol (a)arteries sSC CGL 6-03-2020 (Morning)
into the left atrium where it is returned Explanation: : The arteries are the blood (a) Red blood cells/ fRH
to systemic circulation. The aorta is vessels that deliver oxvgen-rich blood (b) Chlorophyl/ RR
the largest artery in the body. from the heart to the tissues of the (c) White blood cells/ a 7Æ IAO
body. Each artery is a muscular tube (d) Haemoglobin/ rireifra
).157, Which of the following lined by smooth tissue and has three
statements is NOT correct regarding lavers: The intima, the inner laver Sol.(d) Haemoglobin
the 'Bombay blood group"? / lined by a smooth tissue called Explanation: Hemoglobin captures
endothelium. oxygen and transports it through the
bloodstream by binding oxygen to
ssc CPO 1n22019 (Morning) Q159. Blood clot is formed because of each of its four heme groups. These
(a) a person with this blood group may the presence of certain cells presence heme groups are prosthetic groups;
receive blood only from a person with in blood called: they are non-protein chemical
Dblood group/ 5 E HHG EIaf compounds that are associated with
hemoglobin and are necessary for its
SSC CPO 13/12/2019 (Eveaing) function.
(b) It was first discovered in 1952 by (a) lymphocytes / fereIKCH
Dr. Y MBhende/ 3H Ti R (b) erythrocytes / ture^ÇH Q162. Which of the following blood
(c) chondrocytes /atsrHISÇH groups is called the 'Universal
(c) It is deficiency in expressing (d) platelets /ete
Receiver?
antigen /48h MÍcui1 H1À
Sol. (d) platelets
Riar?
(d) It has neither A nor B antigen/ Explanation: Platelets are tiny blood SSC CHSL 14/10/2020 (Morning)
cells that help the body form clots to (a) AB+ (b) O+ (c) A+ (d) O
stop bleeding.
Sol.(a) a person with this blood group Sol.(a) AB+
may receive blood only from a person Q160. Which part of the body is Explanation: AB+t can receive blood
with O blood group responsible for the red blood cells? / from any
a blood group and is called the
Universal Receiver'.

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BIOLOGY

Explanation: Mammals and birds have O168. Gloremulus and Bowman's

Q163. Which of the following carries four chambered hearts but thcir heart capsule are parts of which organ of the
blood from the heart to the kidneys? act as three chambered when they dive body ?
and act otherwise normally. $iOYI(Glomerulus) r
Amphibians have a three chambered (Bowman's capsule) r f
ssC CHSL I5-10-2020 (Morning) heart while fishes have two chambered
(a) Renal vein/ T TH heart.
SSC MTS 14/08/2019 (Morning)
(b) Coronary artery/ gGU TA (a)Heartfa (b)Kidneys / f
(c) Vena cava/ TaI O166. A healthy individual has 12-16
(c)Lungst (d)LiverfaR
(d) Renal artery/ tu grams of haemoglobin in every
ml of blood. Sol(b)Kidneys
Sol.(d) Renal artery ml Explanation: Bowman's capsule (or
Explanation: Oxygenated blood comes the Bowman capsule, capsula
to the kidnevs from the right and left SSC CPO 25-11-2020 (Morning) glomeruli., or glomerular capsule) is a
renal arteries off the abdominal aorta,. (a) 100 cup-like sack at the beginning of the
Deoxygenated blood leaves the (b) 1000 tubular component of a nephron in the
kidneys via the right and left renal (c) 10000 mammalian kidney that performs the
veins that run into the inferior vena (d) 100000 first step in the filtration of blood to
cava. form urine.
Sol(a) 100
Q164. The sino-artrialnode is located Explanation: Per 100 mi of Blood, a O169.Dialysis is advised to the patient
n the healthy individual has 12-16 ml of in case of which human organ is
haemoglobin in his Blood. damaged or not functioning properly'?
SSC CHSL 20-10-2020 (Evening) It varies from (12-16) in women to
(a) bladder/ A (13.5-18) in Men
(b) heart/ 4
(c) brain/ feE ssC MTS 20/08/2019 (Morning)
Exeretory System
(d) stomach/ 3Rs (a)Kidneys Mí (b)Liver/
(c)Stomach /e (d)Heart / KG4
O167. Which organ is responsible to
Sol.(b) Heart
remove the Nitrogenous waste from
Explanation: The sinoatrial node is a
group of cells located in the wall of the human body
Sol.(a)Kidncys
Explanation: When our kidncys can't
the right atrium of the heart. These perform these functions due to discase
cells have the ability to spontancously or injury, dialysis can help keep the
SsC MTS 13/08/2019 (Merni
produce an electrical impulse that a)Liver rTR hw body running as normally as possible.
travels through the heart via the (c)Lungsos (dPancreas/3ARs Without dialysis, salts and other waste
clectrical conduction system causing it products get accumulated in the blood,
to contract. poison the body. and damage other
organs
o165. Crocodiles have heart
Sol.(b)Kidncys
Explanation: Humans have two
chambers. Q170.Before Urination, In which part
kidneys and cach kidney is supplied
with blood from the renal artery. The of the excretory system in the human
SSc CPO 23-11-2020 (Evening) kidneys remove from the blood the body does the urine gets slored?
(a) three (b) four
nitrogenous wastes such as urea, as
(c) five (d) two well as salts and excess water, and
?
excrete them in the form of urine.
Sol.(c) five SSC MTS 21/08/2019 (Afernoon)
(a)Ureter / Haaf

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(b)Bowman's Capsule / a G Sol.(d) lowering the internal Sol.(b) Skin
(c)Urethra /gunf temperature of the body/ rk Explanation: The skin plays a role in
(d)Urinary Bladder / Hags excretion through the production of
Explanation:Swcating is the body's Sweat by sweat glands. Sweating
Sol.(d)Urinary Bladder way of regulating its temperature. eliminates excess water and salts, as
Explanation: The urine gets stored in When we're hot, we sweat. That well as a small amount of urea, a
the urinary bladder which passess moisture then evaporates and cools us byproduct of protein catabolism.
from the kidneys through the ureter. down
During urination the urine is passed Endocrine/Exocrine system
from the bladder through the urethra Q.173..With regard to kidneys and its
to the outside of the body. functions, which of the following
statements is NOT correct? Q17. Name the gland that controls
functioning of other endocrine
Q171. Identify the organ which is
glands.
located on both sides in the human
body. ssc CPO In22019 (Morning)
(a) They maintain watcer balance and SSc-CGL 04/06/2019 (Afernoon)
expel metabolic waste/à tqH (a) Pancreas/ Ms
SSC CP 9/12/19 (Evening) (b) Pituitary gland/ ffra ufu
(a)Spleen ftet (c) Pincal gland i f t
(b) Reptiles have relatively more
(b) Liver/ 4pd (d) Adrenal gland/ T t
nephrons than bir
(c) Kidney/ T
(d) Bladder/ A irdsY
(c) Each nephron has two parts - the Sol. (b) Pituitary gland
glomerulus and the renal tubule vE Explanation: Pituitary gland controls
Sol .(c) Kidney/ Td the functioning of other endocrine
Explanation:The kidneys are located glands.It is also known as master
in the back of the abdomen on either (d) Their basic functional units are gland because it controls the activity
side of the body. Their function is to called nephrons./Js u of most other bomone secreting
filter blood and form urine, which is glands
exCreted from the body. Pancreas t is part of the digestive
Sol.(b) Reptiles have relatively more system and produces insulin and other
Q172. Sweating or perspiration is nephrons than birds important enzymes and hormones that
nature's way of Explanatic
ation: Reptile kidneys are help break down foods.
relatively simple in structure Pineal gland-The pineal gland is a
SSC CPO 9/12/19 (Evening) compared with birds and mammals, small, pea-shaped gland in the brain. It
(a) releasing excess salt fromn the They contain fewer nephrons and lack is used to regulate nelatonin hornone
a loop of henle. Therefore the kidney which is responsible for regulating
(b) warding off harrnfiul insects cannot produce hypertonic urine. sleeping patterms.
through the bad odour of the sweat Adrenal gland - The adrenal glands
ga
Q174. Which of these is an excretory are also known as suprarenal
organ of the human body? glands.They produce a variety of
(c) releasing excess water from the hornones like adrenaline,cortisol and
body/ SSC CHSL 19-10-2020 (Afternoon) aldosterone.
(d) lowering the internal temperature (a) Heart 54
of the body/ r Acfr* A4HA (b) Skin/ i
(c) Brain Hfs Q176. Which Of The Following
Glands Is Regarded As Master Gland?
(d) Muscles Hfeàsft

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SSC CPO 14/03/2019 (Evening) Explanation::Four parathyrod Iand (a)Phloem/ H

(A) Thyroid yacu are present on the back side (b)Stomata/ tu
(B)Adrenal Gland/4fugRs uf thyroid gland in humans. (c)Xylem/ SH
(C)Pituitary Gland tyy tfa ()Midrid ifzs
(D) Hypothalamus/ 4U:Bs Respiratory system
Sol.(b)Stomata
Sol.(c) Pituitary Gland Q179.The upper part of the respiratory Explanation: The leaves of plants have
Explanation: The pituitary gland is tract is provided with small hair-like tiny pores on their surface which are
often called the master gland because structures called called stomata. The exchange of gases
controls several other bormone
in the leaves during respiration takes
glands in our body, including the place through stomata. This happens
thyroid and adrenals, the ovaries and ssC MTs 02/08/2019 (Moraing)
as follows: Oxygen from the air enters
testicles.It secretes hormones from (a)Bronchí aryfi (b)Cilia/ qufi into a leaf through the stomata and
both the front part (anterior) and the (c)Villifrf (d)AlveoliArqotito reaches all the cells by the process of
back part (posterior) of the gland. diffusion
Hormones are chemicals that carry SoL(b)Cilia
messages from one cell to another Explanation: The respiratory system is Q182.Which of the following is
through our bloodstream. lined with a mucous membrane that
known as the energy currency of the
secretes mucus. The mucus traps
cell?
smaller particles like pollen or snoke.
Q177. What is the primary function of
eccrine glands 2 Hairlike structures called cilia line the
mucous membrane and move the
SSC MTS 19/08/2019 (Morning)
sSC CPO 9/12/19 (Morning) particles trapped in the mucus out of (a)Adenosine Diphosphate - t T
(a) to produce sweat/ HAII the nose.

(b) to produce color of the skin/ (b)Adenosine Triphosphate/ 3tfA

Q180. Which part of the human
(c) to produce body bair/ 9rir à arg (c)Glycine Triphosphate Sf
respiratory system exchanges gases ?

(d) to produce growth hormones/ q (d)Adenosine Phosphate yS-iT

SSC MTs 13/08/2019 (Morning)
(a)Bronchi/Ye-i
Sol.(a) to produce sweat/ 4 I (b)Trachea/ Sol.(b)Adenosine Triphosphate
(c)Bronchioles/r-feol Explanation: Adenosine
Explanation:Ecerine glands produce (dJAlveolipita 5'-triphosphate, or ATP, is the
sweat that cools the surface of the skin principal molecule for storing and
and control body temperature. Sol.(d)Alveoli transferring energy in cells. It is often
Explanation: The alveoli are the center referred to as the energy curency of
of your respiratory system's gas the cell and can be comparcd to
Q178. How many parathyroid glands storing money in a bank.
are present on the back side of the exchange. The alveoli pick up the
thyroid gland in humans? incoming energy (oxygen) you breathe
in and release the outgoing waste Q183. Which of the following is
product (carbon dioxide) you exhale. present between the lungs?
HSL 2020 (Afternoon)
(a)Six
(b)Three ssC CGL. 3-3-2020 (Afternoon)
Q181.Exchange of gases occurs (a) Thymus/ SHa
(c)Five through which part of the plant tissue?
(d)Four (b) Pituitary/ tfryu
(c) Hypothalamus/SIeTHE
Sol.(d) Four (d) Pineal/ ifuet
ssC MTS 19/082019 (Morning)

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 BIOLOGY

wisdom teeth) have erupted by about

Sol. (a) Thymus age 13: Incisors (8 total): The
Explanation: The Thymus is located in middlemost four teeth on the upper
SSC CHSL 1007/2019 (Evening)
the upper anterior (front) part of your and lower jaws. Canines (4 total): The
(a)Stomach/
chest directly behind your sternum and pointed teeth just outside the incisors. (b)Liver 4d
between your lungs. The pinkish-gray Premolars (8 total): Teeth between the
organ has two thymic lobes (c)Small intestine Bi ta
canines and molars.
(d)Large intestine/si 4td
O184. Which of the following parts of Q186. Bariatric surgery brings
the human body releases carbon changes in Sol(b)Liver
dioxide, brought in by
a person's Explanation : Glycogen is the storage
the blood, from the rest of the body'? form of carbohydrates in mammals. In
SSC-CGL 0606/2019 (Evening) hurmans the majority of glycogen is
(a) Hear4 stored in skeletal muscles (~500 g)
(b) nasal passage E and the liver (~I00 g). Food is
(c) Lungs/ supplied in larger meals, but the blood
SSC CHSL 12-10-2020 (Evening) (d) Digestive System y da glucose concentration bas to be kept
(a) Trachea / rg Teti within narrow limits to survive and
(b) Alveoli / Sol.(d) Digestive System stay healthy.
(c) Larynx / TH f
Explanation: Gastric Bypass and other
(d) Bronchi / qg oifga weight loss surgeries are collectively Q189. Which of the below mentioned
known as Bariatric surgery. It involves human organs can regrow afler
Sol.(b) Alveoli making changes to our digestive damage in adults?
Explanation: Alveoli are the center of system to help lose weight. People
the respiratory system's gas exchange. who have serious health issues
The alveoli pick up the incoming because of weight undergo this
energy (oxygen) we breathe in and surgery. SSC CPO 1603/2019 (Evening)
release the outgoing waste product (a)KidneyTaí
(carbon dioxide) we exhale. As it (b)Liver4d
Q187. Which of the following is (cGallbladder frRTs
moves through blood vessels vestigial organ?
(capillaries) in the alveoli walls, our (d)Lung/ hg1
blood takes the oxygen from the SSC-CGL 10/06/2019 (Afternoon)
alveoli and gives off carbon dioxide to Sol.(b) Liver
(a) Hear g<4 (b) Kidney/ 1f
the alveoli.
(c)Lungs$ (dJAppendiy/3fsH Explanation: In adults, the liver can
regenerate after cither surgical
removal or after chemical injury. It is
Digestive system Sol.(d) Appendix known that as little as 25% of the
Explanation Vestigial organs are
organs of the body which are smaller original liver mass can regenerate
Q185. How many 'canine teeth' does
back to its full size.
an adult human have? and simpler than those in related
species. They have lost, or almost lost
their original function. The appendix Q190. Tooth Enamel Is Made Up or
SSC-CGL J0/06/2019 (Evening)
is probably the most widely known SSC CPO 14/03/2019 (Evening)
(a) 8 (b) 4 vestigial human organ. (A) Calcium SulfatebfeqH He
(c)3 (d) 2
(B)Calcium Silicateafern febe
Sol.(b) 4 Qi88. In which of the following (CYCalcium CarbonatebfRrH
Explanation : A normal adult mouth organs of the human body are
has 32 teeth, which lexeent for carbohydrates stored as glycogen?

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(DCalcium PhosphateàfRrH tract. A major digestive organ is the

stomach. Sol.(b) caccum/ 3uIG
Explanation:Cecum(caccum) is a
Sol.(d) Calcium Phosphate Q193. Digestion of food begins in pouch or large tubelike structure in the
Explanation: Enamel is the hardest which part of the alimentary canal in lower abdominal cavity that receives
substance in the human body and human beings? undigested food material from the
contains the highest percentage of small intestine and is considered the
minerals (at 96%), with water and first region of the large intestine.
organic material composing the rest. SSC MTs 22/08/2019 (Afernoon)
The primary mineral is (a)Stomach te
O196. In which of the following parts
(b)Small intestine/ B st
hydroxyapatite, which is a crystalline of the human digestive system is the
(c)Large intestine/ td
calcium phosphate. digestion of food completed?
(d)Mouth ge
Q191. In which part of the alimentary
Sol.(d)Mouth sSC CPO 12/122019 (Morning)
canal, the complete digestion of fat
takes place? Explanation: Digestion begins in the (a) Small Intestine /Blt ta
(b) Large Intestine / a
mouth, well before food reaches the
stomach. A digestive enzyme in (c) Mouth /%
(d) Stomach / 2
SSC MTsS0g08/2019 (Afernoon) saliva called amylase starts to break
(a)Large intestine/ at down some of the carbohydrates
(b) Small intestine ta ta (starches and sugars) in the food even Sol.L(a)
( Small Intestine
(c)Stomach/ te before it leaves thc mouth. Explanation: Digestion begins in the
(d)Mouth te mouth, when we chew and swallow,
O194, Which substance covers the and is completed in the small intestine.
Sol.(b)Small intestine root of the tooth?
Explanation: Fats are mainly digested Q197. Which among the following is
in the small intestine. The presence of the food tube?
SSC CPO 9/12/19 (Morning)
fat in the small intestine produces
(a) Cementum f a SSC CGL 603-2020 (Afternoon)
hormones that stimulate the release of
(b) Pulp/ eA (a) Larynx /
pancreatic lipase from the pancreas (b) Thymus /T5HH
(c) Dentin 34
and bile from the liver which helps in
the emulsification of fats for (d) EnameV He (c) Oesophagus
absorption of fatty acids.
(d) Aorta/ HETUHfI
Sol.(a) Cementum feH
Explanation:The cementum is a hard Sol.(c) Ocsophagus
O192, Which is the longest part in the Explanation: The food pipe or
connective tissue that covers the roots
digestive system of the human body ? ocsophagus is part of your digestive
of the tooth
system. It is the tube that carries food
from your mouth to your stomach. It
SSc MTS 2/08/2019 (Evening) Q195. The pouch connected to the lies behind the windpipe (trachea) and
(a)Pancreatic duct / 3rATRIt afaft junction of small intestine and the in front of the spine.
(b) Small intestine/ste 3ta large intestine is called:
(c)Large intestine /4sl 3t Q198. The inner walls of small
(d)Oesophagus / uftrE1 intestine have thousands of finger-like
sSC CPO 91219 (Moraing) outgrowths. These are called:
Sol.(b)Small intestine (a) condyle *
Explanation: Most of the digestion of
(b) caecum 3jur
food takes place in the small intestine (c) cocey/ JaifR ssc CHSL 14/10/2020 (Evening)
(d) axilla/ #g (a)Villi/ faci
which is the longest part of the GI

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 BIOLOGY

(b)Lumps/ Tio iv) Rectum

(c)Benign/ < j) Anus Q202. The in the human body
(d)Myomas/ rTerR controls every activity that you
Q200. Hydrochloric acid is secreted in perform.
Sol.(a)Villi which part of our digestive system?
Explanation: Intestinal villi are tiny.
finger-like projections made up of SSC CPO 1203/2019 (Evening)
cells that line the entire length of the SSC CHSL. 26-10-2020 (Evening) (a)respiralory systemy e G
small intestine. They absorb nutrients (a) Mouth / (b}nervous system/ tfa1 da
(b) Stomach
from the food we cat and then shuttle (c)digestive system/ /4A da
those nutrients into the bloodstream so
(c) Liver/f (d)reproductive system/ y da
(d) Small intestine / s sta
that they can travel where they are
needed. Sol.(b) Nervous system
Sol.(b) Stomach Explanation: The nervous system is
Explanation: Hydrochloric acid is the part of an animal that coordinates
o199.Which of the following organs
are NOT parts of the Alimentary
secreted in Stomach and is needed to its actions transmitting signals to
cunal? activate the protein digesting enzyme, and from different parts of its body.
pepsin. The nervous system detects
environmental changes that impact the
SSC CHSL 19-10-2020 (Evening) Nervous system body, then works in tandem with the
(a) Colon and rectum/ 6 4 aU endocrine system to respond to such
0201.Which one of the following is a events.
(b) Buccal cavity and Oesophagus/ H degenerative disorder of brain and
(c) Stomach and intestine/ e au ta one of several conditions that cause Q203. The hypothalamus, a small
dementia, a progressive decline of region of the plays a crucial
(d) Liver and pancreas/ qod qu
mental functions resulting in memory role in many important functions of
loss and confusion? the human body.
Sol.(d) Liver and Pancreas
Explanation: The alimentary canal is
a major part of the digestive system. sSC CPO 13/03/2019 (Evening)
It consists of:
(a)Stomach /e (b)Liver/ 4gpi
a) The Mouth or Oral cavity or SSC CHSL 04/07/2019 (Evening) (c)Kidney / (d)Brain /HfE
Buccal cavity (a)Schizophrenia/ ftrttbftun
b) Salivary glands (b)Alzheimer's disease 3felKHRT SolL(d) brain
c) Teeth (c)Amnesia/
(CJAmneSa f s Explanation : The hypothalarmus is a
d) Tongue (dYConCussion/ 3T317
sImall region of the brain. It's located
e) Pharynx
at the base of the brain, near the
0 Oesophagus Sol.(b)Azheimer's disease pituitary gland. While it's very small,
g) Stomach Explanation It is a progressive
the hypothalamus plays a crucial role
h) Srmall Intestine disease that destroys memory and many important functions,
Duodenum other important mental functions. releasing hormones.
including:
) Jejunum Brain cell connections and the cells reoulating body temperature.
iüü) Ileum themsel
nselves degenerate and die,
i) Large Intestine eventually destroying memory and Q204. ldentify the largest muscle in
Appendix other important mental
the human body.
Cecum functions.Memory loss and confusion
iii) Colon are the main symptoms.

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SSC CPO 14/03/2019 (Morning) of the brain. I plays an important role sSC CGL33-2020 (Evening)
(a)Sartorius/ in hormone production and heips to (a) Pinna/ fi
(b)lliopsoas/ siforsers ofefraI stimulate many important processes in (b)Medulla/ tsen
(c)Gluteus Maximus rtftoi the body and is located in the brain, (c)Pons/ tte
(d)Latissimus Dorsi ifefgu se between the pituitary gland and (d)Thalamus/ tHH
thalamus.
Sol.(c) Gluteus Maximus Sol.(a) Pinna
The gluteus maximus is the largest Q207. Which organ is responsible for Explanation: The pinna is the only
muscle in the human body. It is large visible part of the ear (the auricle)
activity and the hand-eye coordination
and powerful because it has the job of in the human body ? with its special helical shape. It's main
keeping the trunk of the body in an function is to act as a kind of funnel
erect posture. It is the chief antigravity which assists in directing the sound
muscle that aids in walking up stairs. sSC MTS 16/08/2019 (Aternoon) further into the car. It is not the part of
The hardest working muscle is the (a)Liver du (b)Kidneys í the brain.
heart. (c)BrainHIEE (d)Heart5&4
Q210. Which of the following terms is
Q205. Which part of the brain Sol(e)Brain associated with the anatomy of the
maintains posture and balance of the Explanation: The cerebellum is human heart?
human body? responsible for maintaining
equilibriun, transfer of information,
fine adjustments to motor actions, SsC CPO 24-11-2020 (Morning)
SSC MTS 08/08/2019 (Morning) coordinating eye movements etc. (a) Cerebellum/ tTH
(b) Medulla/ s
(a)Cerebrum/ Hfss Coordination and body balance.
(b)Pons/ (c) Aorta/ qatef
posture during walking. riding. (d) Cerebrum/ ttan
(c)Cerebellum/ 8HfF standing. swimming. running, are all
(d)Medulla/3B maintained by the cerebellum.
Sol(c) Medulla
Sol.(c)Cerebellum Explanation: The Aorta is the largest
Q208. Dendrites and Axon are parts of
Explanation: The cerebellum (back of blood vessel in the body. It is the main
which cell 3
brain) is located at the back of the artery that carries blood away from the
head. Its function is to coordinate heart to the rest of the body.A fler the
voluntary muscle movements and to SSC MTS 19/08/2019 (Evening) blood leaves the heart through the
maintain posture, balance, and (a)Neuron/ afa aortic Valve, it tavels through the
cquilibrium. (b)Nephron aorta, making a cane shaped curve that
(c)White blood cells/ 1 connects other major arteries to
deliver Oxygen rich blood to the brain,
Q206. Hypothalamus is part of which
organ of the Human body? (d)Red blood cells IeT TI E0fOT muscles and other cells.
Cerebrum Medulla and Cercbellum all
Sol.(a) Neuron are part of the Brain.
SSC MTS 13/08/2019 (Evening) Explanation: Dendrites and Axon are
(a)Brain/ HRE parts of Neuron. 0211. Which part of the brain is
(b)Heart/ K4 The primary components of neurons instrumental in making it possible for
(c)Spinal Cord/ àbs are the dendrites and axon. a person to perform activity such as
(d)Liver 4pd picking upa pencil from the floor?
Q209. Which of the following is NOT
Sol.(a) Brain a part of the brain?
Explanation: The hypothalamus is a
ssC CPO 24-11-2020 (Morning)
small but important area in the center

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 DG

(a) Hypothalamus/ $15uee send sound from the outer ear to the Q216. is the stigma of Crocus
(b) Cerebellum/ faH inner ear. Together they are known as Sativus L.
(c) Cerebrum/ aH the ossicles, these bones are
(d) Cranium/afH individually referred to as the
malleus,incus, and stapes. SSC CPO 1603/2019 (Afernoon)
(a)Saffron/ f r
Sol.(b) Cerebellum
Explanation: Cerebellum (b)Turmeicg
0214. Which of these bones is not a (c)Artichoke 331ft
instrumental in making it possible for part of the hurnan car?
a person to perform activity such as (dYGinger JRG
picking up a pencil from the floor .
The cerebellum coordinatess voluntary SSC CGL33-2020 (morning) Sol(a) Saffron
movements such as posture., balance, (a) Femur/ R Explanation: Saffiron is the dried
coordination, and speech, resulting in (b) Malleus/ AferuH stigma of the flowers of saffron
smooth and balanced muscular (c) Stapes/ e (Crocus sativus L., Indaceae). In
activity. (d) Incus/ 568 addition to being a widely used food
additive, saffron is used in traditional
Sol.(a)Femur, medicine for vomiting, spasms,
Skeleton system Explanation: the thigh bone, is the asthma, bronchitis, fever, colds,
longest bone in the body. While car cardiovascular disorders, and also
Q212. Which is the largest bone in the cancer.
human body? bone also known as auditory ossicle
has three bones in the middle ear:
malleus or hammer, the incus or anvil Q217. Which of the following plants
sSC CHSL. 04/07/2019 (Afternoon) and the stapes or stirrup. is Bryophyta ?
(a)Femur/ HR (b)lncus/ g8
SsC MTS 05/08/2019 (Evening)
(c)Malleus/ Afere (d)Supes/ta Plant kingdom (a)Moss/HH
(b)Algae ge
Sol.(a)Femur 0215. Which of the following lowers (C)Fern / f
Explanation: The strongest, longest, is botanically known as Dianthus? (dYCycus / HSOH
and largest bone in the human body is
the femur, or thigh bonc, which is a
bone in the leg that runs from the knee ssC CPO I603/2019 (Evening) Sol.(a)Moss
to the hip. Stapes is the smallest bone (a)Rose TeTA (b)Daffodil}ifsa Explanation: Mosses were formerly
in the human body. (c)Lily/ fret (dCarmation Je-1R grouped with the homworts and
liverworts as "non-vascular" plants in
Sol.(d) Carnation the division "bryophytes", all of them
0213. Which is the smallest bone in
the human body? Explanation : Dianthus is a genus of having the haploid gameiophyte
about 300 species of flowering plants generation as the dominant phase of
SSC CPO 13/03/2019 (Evening) in the family Caryophyllaceae, native the life cycle. . Mosses are now
(a)Incus/ RUF mainly to Europec and Asia, with a few classified on their own as the division
(b)Stapes/ RuG species extending south to north Bryophyta. There are approximately
(c)Malleus/s Africa, and one species. Common 12,000 species.
(d)MetatarsalVefes names include carnation D
caryophyllus), pink (D. plumarius and Q218.'Amoeba' belongs to which of
Sol.(b) Stapes related species) and sweet william (D. the following kingdom?
Explanatio : The stapes is the
barbatus).
smallest bone in the body. It is one of SSC MTS 07/08/2019 (Morning)
thrce tiny bones in the middle ear that (a)Monera (b)Fungii pd
(c)Protista/ ui

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(d)Animalia/ u e t Q221. Which of the following is not Q224. In the plant kingdom, Fems
an example of Bryophyta ? and Fern Allies' belong to which
Sol.<c)Protista group?
Explanation: An amoeba belongs to
SSe MTS 20/08/2019 (Aferneon)
the kingdom called Protista.
Amocbas are unicellular organisms (a) Funaria / gfr sSC CPO 9/12/19 (Morning)
(b)Martia f (a) Gymnospems/ AIqdetuil
found mainly at the bottom of water
bodies and near decaying vegetation. (c)CharaI (b) Thallophyta/ eror_ZI
(d)RechesiafofRr (c) Bryophyta/
Q219.What is Cryptogamac? (d) Pieridophyta/ tfrs^ZI
Sol.(c)Chara
SSC MTSs 08/08/2019 (Evening) Explanation: Chara is genus of Sol.(d) Prendophyta/ siSgaI
(a)Plants having covered seeds 3Tgi charophyte green algac in the family Explanation:Ferns and Ferm allies
Characeae. They are multicellular and were traditionally classified in the
(b)Flowering plants/ qafs tà superficially resemble land plants class Filices, and later in a Division of
(c)Non-flowering plants .qafts because of stem-like and leaf-like the Plant Kingdom named
structures. They are found in Pieridophyta or Filicophyta.
(d)Plants having uncovered seeds/ freshwater, particularly in limestone
areas throughout the northern 0225. Which of the following is a
tenperate zone distinctive characteristic of
Sol.(c)Non-flowering plants angiosperm?
Explanation: A cryptogam (scientific Q222. Pine is an example of
name Cryptogamae) is a plant (in the
SSo s20/08/2019 (Evening) SSc CP0 9/12/19 (Morning)
wide sense of the word) that
(a)Pteridophyta /st1sei (a) Thick bark/ iUTT
reproduces by spores, without lowers (b)Monocot/ yt
or seeds. (b) small roots/
(c)iymnosperm /Iqdful (c) Long leaf t
Q220. Plants having no isolated
(dJAngiosperm / Tqafd (d) Concealed seeds/ A f
structural form are are called
T ad Sol.(c)Gymnosperm Sol.(d) Concealed sceds
Explanation: Gymnosperms area Expianation:The angiosperms have
MPS 19/08/2019 (Afternoon) aRODOm: elass that includes plants
evolved flowers hence they are also
(a)Gymnosperms / q whose seeds are not encloscd in an called flowering plants.. These plants
(b)Bryophyta / rT^ZI ovule Gymnosperm also means are described as those which produce
(c)Thallophyta / erTCI "naked seced". Pine is an example of or capable of producing enclosed or
(d)Fungus / # gymnosperm. covered seeds..

Sol.(c)Thallophyta Q223.Which among the following is Q226. Colour of the plants is grcen
Explanation: Thallophyta is a division the lowermost plants of the plant due to the presence of:
of the plant kingdom including gkingdomn? zufRTU
primitive forms of plant life showing a
simple plant body. Including SSC CPO 9/12/19 (Evening)
unicellular to large algac, fungi, SSC MTS 22/08/2019 (Morning) (a) Chlorophyll/ R i b
lichens.They are simple plants without (a)Thallophyta /eHT^CI (b) Urea yru
roots, stems or leaves. They are
(b)Pieridophyta tstoge1 (c) Carbon dioxide' TÉA 3I53RISS
non-embryophyta. (c)Phanerogamae/RT4 (d) Oxygen/ J H
(d)Bryophyta r7EI
Sol.(a) Chlorophyll/ be

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 BIOLOGY

Explanation:Plants are green because and some Gymnosperm plants.

their cells contain chloroplasts which Hydrophyte - which grows only in or
have the pigment chlorophyll which SSC CHSL 12-10-2020 (Afternoon) on water.
(a) Preridophyta /fstse
absorbs deep-blue and red light, so Mesophyte a plant nceding only a
that the rest of the sunlight spectrum is
(b) Gymnosperms/ faHe moderate amount of water
being reflected, causing the plant to (e) Thallophyta / eseI Hygrophyte a plant living above
(d) Bryophyta /BseI
look green. ground that is dapted to the
conditions of abundant moisture pads
Q227. The strongest muscle (based on Sol.(c) Thallophyta of surrounding air.
its weig )of the body is the masseter Explanation: Members of division
d is localeo
ated in the Thallophyta are the most primitive and Q232. Which of the following are the
Ha °t simple plants. The plant body is not
differentiated into root, stem and
5 groups that plants are divided into?
leaves, They are in the form of an SSC CHSL 19-10-2020 (AfNernoon)
SSc CPo 12/12/2019 (Morning) undivided thallus. This group is (a) Mollusca, Bryophytes,
(a) jaw/S commonly called algac Pteridophytes, Gymnosperms and
(b) hand / E14 Angiosperms/
(b) chest / y 0230, In which part of a plant are
(d) thigh/ u mesophyll cells found? (b Thallophytes, Bryophytes,
Pteridophytes, Gymnosperms and
Sol. (a) jaw Angiosperms OTSE. TTSC,
Explanation: The masseter muscle is a SSC CHSL. I6-16-2020 (Morning)
facial muscle that is located in the (a) Seed (c) Arhropoda, Bryophytes,
eheek area. (b) Leaf qfl Pteridophytes, Gymnosperms and
(c) Stem I Angiosperms TuIisi, aTÉZ.
Q228. What is Coppersmith Barbet? (d) Roov IS
(d) Annelida, Bryophytes,
SSC CPO 13/12/2019 (Morning) Sol.(b) Lcaf Preridophytes, Gymnosperms and
(a) Kitak /c5 Angiosperms/ tfSI.
Explanation: Mesophyll cells are a
(b) Herbivores / I o T ta type of ground tissue found in the
(c) Bird/4et
plant's leaves. They play an important
(d) Carnivorous creatures/HteTgrt ta role in photosynthesis. Sol.(b) Thallophytes, Bryophytes,
Pteridophytes, Gymnosperms and
Sol. (c) Bird 0231. Pineapple is plant. Angiosperms
Explanation: The coppersmith barbet, Explanation: Plants are categorized
sSC CHSL 16-10-2020 (Evening) into Thallophytes. Bryophytes,
also called crimson-breasted barbet
and coppersmith, is an Asian barbet (a) Hydrophyte/ FI451PKE Pteridophytes, Gymnosperms and
with crimson forehead and throat. (b) Mesophyte aI^E Angiosperns.
known for its metronomic call that (c) Xerophyte Gsc
sounds similar to a coppersmith (d) Hygrophyte I5EE 0233. Which among the following are

striking metal witha harmmer. It is a called the amphibians of the plant

resident bird in the Indian Sol.(a) Xerophyte kingdom?
subcontinent and parts of Southeast Explanation:Xerophyte - a species of
plant that has adaptations to survive in
Asia.
an environment with little liquid SSC CPO 24-11-2020 (Morning)
0229. Which of the following water, such as a desert or an ice or (a) Gymnosperms/ 3FIqdast
snow covered region in the Alps or the (b) Liverworts/ IddiH
divisions of plants does NOT have a
well differentiated body? Arctic. Examples are cacti, pinecapple (c) Pteridophytes/ 2fsoe

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464

BIOLOGY

(d) Bryophytes/ubse Q236. s often referred to as

the amphibians of the animal world.
Sol(d) Bryophytes SSC CGL 3-2020 (Afternoon)
Explanation: Bryophytes are called (a) Esophagus
Es
SSC MTSs 21/08/2019 (Moraing) (b) Crop /at4
amphibians of the plant kingdom (c) Intestine / 3ta
because these plants though live in (a)Thallophyta / e_eI
(b)Phanerogam / R H (d) Gizzard
soil but they need water for sexual
reproduction. (c)Bryophyta/EeI
(d)Pteridophyta / tfstECI Sol(d) Gizzard
Animal Kingdom Explanation: Gizzard is a muscular
Sol(c)Bryophyta chamber where mechanical digestion
Explanation: Bryophytes are also occurs. It helps red woms in grinding
Q234. Metamorphosis in Frog is ns of the plant
called amphibians the food they eat
controlled by:
kingdom because these plants can live
in soil but are dependent on water for 0239, Which of the following is not a
sexual reproduction. Vertebral animal ?
SSC CPO 14/03/2019 (Evening)
(A) Adrenal /$fer ?
(B) Melatonin Aeitaft1 Q237. Which of the following is not a
sSC CGL3-3-2020 (Afernoon)
(C) Insulin5-tfe aractenstic
charact of Chordate ?
Ruf (a) Snail / ar
(D) ThyrOXine( f (b) Birds /qet
SSC MTS 21/08/2019 (Morning) (c) Mammals/r
Sol.(d) Thyroxine (d) Fish /HS
(a)The central nervous system is
Explanation: The thvroid gland
dorsal, hollow and single/ s u t
secretes thyroxine (TH), a hormone Sol. (a) Snail
essential for the growth and
(b)A posterior anal portion (tail) is Explanation: Invertebrates are animals
development of all vertebrates that do not have a backbone. They
including humans. make up ncarly 97 per cent of all
(c)Notochord is absent / coIS
animal species. Snail doesn't have a
Q235. Octopus is an example of (d)The heart is abdominal/ 4 3GRI backbone.
Phylum
Q240. Jellyfish are an example of
SSC MTS 20/08/2019 (Evening)
Sol.(c)Notochord is absent which type of phylum?
Explanation: Notochord. The
(a)Echinodermata/*-tsAe chordates are named for the

(biHemichordat
(c)Arhpoda/
(d)Mollusca/ i E
notochord,
structure
a
that
flexible.
is found
rod-shaped
in the
SSC CGL V3/2020 (aternoon)
(a) Phylum-Ctenophora/
embryonic stage of all chordates and
also in the adult stage of some (b) Phylum-Porifera/ HAs.RbI
Sol.(d)Mollusca is ocated between (c) Phylum- Cnidaria / HH4- Astf
Explanation: Molluscans are very
chordate species.
the digestive tube and the nerve cord, (d) Phylum- Protozoa / 4.
diverse animals and form an important
part of the ecosystem in the world. providing skeletal support through the
Some animals that you are familiar length of the body. Sol.(c) Phylum- Cnidaria
with like snails, octopuses, squids, Explanation: Jellyfish belong to
oysters, clams etc. all belong to Q238. Red worms have a structure phylum cnidaria which is a part of
named which helps them in
Phylum Mollusca. kingdom Animalia. Some more
grinding their food.

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 BIOLOGY

species belonging to this category are SoL{a) Monera

corals, sea pansies, sea fans, hydra etc Explanation: Monera is a kingdom Q246.Nuclear membrane is absent in
that contains unicellular organisms organisms that fall under the kingdom
Q241. Snails belong to Phylum: with a prokaryotic cell organization,
such as bacteria. They are unicellular
sSC CGL 9-03-2020 (Evening) organisns found mostly in a moist
(a)Echinodermata/sfariisie environtment. They are found in hot SSC CPO 24-11-2020 (Evening)
(b)Mollusca/ÐI (a) Fungi/aE
springs, snow, deep oceans or (b) Monera/ I
(c)Arthropoda / 3 1 s parasites in other organisms.
(d)Chordata / (c) Plantae YIcy

Q244. Which of the following types of (d) Animalia og

Sol.(b) Mollusca organisms have an open circulatory
Explanation: The Class Gastropoda in Sol.(b) Monera
system?
Phylum Mollusca includes the groups Explanation: Monera have prokaryotic
pertaining to snails and slugs. The cells and they contain unicellular
majority of gastropods have a single, SSC CHSL 19-03-2020 (Evening) organismns having no nuclear
Lusually spirally, coiled shell into (a) Nematoda / e s membrane. The best example of it is
which the body can be withdrawn. (b) Mollusca / eTRÐI Bacteria.
(c) Annelida / S
0242. Crocodiles have a (d) Birds 0247.With reference to taxonomic
chambered heart. categories, the lem 'Mammalia' is
Sol.(b) Mollusca a/an
SsC CGL 9-03-2020 (Evening) Explanation: All Mollusks except
(a)two / those in the class Cephalopoda have
(b)four / aR an open circulatory system. In an SSC CPO 25-11-2020 (Morning)
(c)three /tr open circulatory system, blood is not (a) order/ H
(d)single / ftr contained entirelyy iin enclosed blood (b) class/ af
vessels. The heart pumps blood (c) family
Sol.(b) four (d) phylum/ HHT4
through blood vessels that lead from
Explanation: Crocodiles have the gills into body cavities called
four-chambered heart. They have the hemocoels. Sol.(b) class
most complex vertebrate circulatory Explanation: Mammalia is a class and
system. The heart has two ventricles Q245. Which of the following is a animals belonging to this class are
and both a left and right aorta which vertebrate? called animals Mammals are one of
the most evolved species in the animal
are connected by a hole called the
Foramen of Panizza. SSC CHSL 26-10-2020 (Morning) kingdom categorizcd under vertebrata
(a)) Snake'
S
Q243. Which of the following (b) Roundwom Micro organism
kingdoms consists of prokaryotic (c) Millipede/ TiR
cells? (d) Earthworm 1
Q248.Which symbiotic bacteria are
responsible or detemining
Sol.(a) Snake nitrogen?AISA
sSC CHSL 19-03-2020 (Afernoon) Explanation: Snake is a vertcbrale.
(a) Monera Vertebrates have an inner skeleton SSC MTs 02/08/2019 (Affernoon)
(b) Animalia Bones give structure and strength to (a)Rhizobium syufaTA
(c) Fungi bodies, Muscles are attached to bones (b)Pseudomonas/{ST-TH
(d) Protista and this enables us to move as our
(c)Lactobacillus/ tefree
muscles contract. (d)Azotobacterute

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466

BIOLOGY

made up of an outer layer of cellulose Oxytocin:it is produced in the

Sol.(a)Rhizobium and an inner layer of pectin. The hypothalamus. It plays a role in social
Explanation: Rhizobia are organelles found inside the cells of bonding, sexual reproduction,
nitrogen-fixing bacteria which invade green algae are the chloroplasts, childbirth, and the period afer
root hairs of leguminous plants and vacuoles, nucleus and cytoplasm. childbirth.
induce, in a specific manner, the Estrogens: are homones that are
formation of root nodules in which important for sexual and reproductive
Q251. Organisms such as bacteria,
they fix nitrogen viruses, fungi. protozoans, helminths, development, in women. They are
also referred to as female sex
ete., that cause diseases in humans are
0249, Which of the following is a called hormones.
group of bacteria ound in human Progesterone: is an endogenous
intestines, whose presence in steroid and progestogen sex hormone
water indicates contamination by involved in the menstrual cycle,
disease-causing microorganisms? SSC CP0 25-11-2020 (Evening) pregnancy, and embryogenesis of
(a) frugivores/ tbfirat humans and other species.
(b) predators fRrar
(c) pathogens/ S
(d) antigens / t H Q253. The enzyme, Lipase is
SSC CHSL 20-10-2020 (Morning) produced by which organ of the body?
(a) Streptococcus/ verotoH
(b) Pseudomonas/ t-TH Sol.(c) pathogens
Explanation: A pathogen is an SSC-CHSL /07/2019 (evening)
(c) Clostridium/ RfgfsuH organism which causes discases. (a) Lung/ g1
(d) Coliform/ 1fot (b) Salivary GlandR
All the Organisms such as bacteria,
viruses, fungi. protozoans, helminths, (c) Liver / d
Sol.(d) Coliform etc., that cause diseases in humans (d) Pancrcas/ 38u
Explanation: Coliform bacteria are come under the category of pathogens.
organisms that are present in the Sol.(d) Pancreas
environnent and in the feces of all
Explanation : Lipase is produced by
warm-blooded animals and humans.
Pancreas. The main function of this
Colifon bacteria will not likely cause Enzymes and Hormones enzyme is to break down fats so that
illness. However, their presence in they can be absorbed in the intestines.
drinking water indicates that Q252. Which hormone leads to the
disease-causing organisms (pathogens) expulsion of milk from breast
0254. Somatotropin' is another name
could be in the water system. during suckling?

Q250. Which of the following is SSC CHSL 0507/2019 (Morning)

NOT unicellular? sSC-CGL. 6406/2019 (Evening) (a)Digestive juice/ T 7
(a) Estrogen (b)Laughing gas/ H
Ssc CHSL. 21-10-2020 (Morning) (b) Oxytocin/ Jtaftaft
(b) Spirogyra (c)Tear gas/ sre ta
(a) Amoeba (c) Prolactin/ ureftr (dyGrowth hormone g
(c) Plasmodium (d) Paramecium (d) Progesterone E
Sol.(dyGrowth hormone
Sol.(b) Spirogyra Sol.(c) Prolactin Explanation : Somatotropin is another
Explanation: A Spirogyra a
Explanation: Prolactin zit is produced name for growth hormone. It is
multicellular organism. The cells in by pituitary gland. LIt is responsible for secreted by the pituitary gland. It is a
Spirogyra are linked together in a breasts to grow and expulsion of milk peptide hormone and it stimulates the
chain to form the multicellular strands after baby is born
of green algae. The cell walls are growth of essentially all tissues of the
body.

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 BIOLOGY

volume receplors which respond to

heene
Q255.Which
hormones is
of
known
the
be
fol
in
Sol.(a)Tripsin
Exolanation: Trypsin is an enzyme
increased stretching of the atrial wall
due to increased arterial blood
coping with stress? that helps us digest protein. In the volume
small intestine, trypsin breaks down
proteins, continuing the process of Q260. The human saliva contains an
SSC CHSL IL/07/2019 (Affernoon) enzyme called salivary that
digestion that began in the stomach. It
(a)Serotonin/ A may also be referred to as a proteolytic breaks down starch, a compiex
(b)Testosterone e t t cnzyme, or proteinase. Trypsin is molecule, into sugar.
(c)Calcitonin tftta
produced by the pancreas in an
(d)Melatonin/ eeft inactive form called trypsinogen.

Sol.(a)Serotonin Q258. Which tissue has heavily SSC CHSL. 19-10-2020 (Morning)
Explanation Serotonin is the (a) lipase/ ISu
thickened lignificd walls? (b) amylase' HS
hormone that stabilizes our mood,
feelings of well being and happiness. (c) peptidase/ tfg
Deficiency of serotonin leads to (d) protease/ ita
SSC CHSL. 17-03-2020 (Evening)
anxiety depressed mood and (a) Collenchyma te-HI
aggression. (b) Parenchyma HTSHI Sol.(d) protease
(c) Aerenchyma (tfb Explanation: The human saliva
(d) Sclerenchyma FROE contains an enzyme called salivary
0256. Enyiing cells.
catalysts within the
arc that act as
protease that breaks down starch, a
Sol.(d) Sclerenchyma complex molecule, into sugar.
Sclerenchyma tissue, when mature, is
SSC CPO 12/03/2019 (Evening) Q261. In respect of ciassification of
composed of dead cells that have
(a)calcium/ frqH algae, the members of Phaeophyceae
heavily thickened walls containing
(b)carbohydrates/ 1tsrse lignin and a high cellulose content and are commonly called:
(c)vitamins fdeifa
serves the function of providing
(d)proteins/ tta
structural support in plants.
SSC CPO 2411-2020 (Morning)
Sol.(d) proteins
(a) brown algae/ 1tar
Q259. The Atrial wall of the human (b) white algae H tar
Explanation : Enzymes are proteins heart secretes a very important peptide
that act as catalvsts within living cells
hormone. What is the name of that
(c) green algae 1 tarc
Catalysts increase the rate at which hormone?
(d) red algae/ Aar
chemical reactions occur without
being consumed or permanently SolL(a) brown algae
altered themselves. ...As a catalyst, an Explanation: Members of
enzyme can facilitate the sane SSC CHSL 12-16-2020 (Morning) Phaeophyceae are commonly called
chemical reaction over and over again. (a) ADH (b) CCK Brown Algae.
(c) ANF (d) GIP They are known as Brown Algae due
to the of a golden brown
0257. Which enzyme is found in the
presence
pancreatic juice responsible for the
digestion of proteins ?
Sol(c) ANF
Explanation: Atrial Natriuretic Peptide
Xanthophyll pigment,
(CH,0,) chromatophores.
Ascoxanthin
(ANP) or Atrial Natriuretic Factor
(ANF) is a natriuretic peptide Discoveries and Vaccines
SsC MTS 14/08/2019 (Morning) hormone synthesized and secreted by
(a)TripsinfitA (b)Pepsin
tf cardiac muscle cells in the walls of the
Q262. Who won the Nobel Prize in
(c)Amylase qHTT (H)Yupase/TÝH atria in the heart. These cells contain 1906 for his neuron doctrine?

BIOLUGY

developed, was introduced by Edward Q267. is known as the 'Father of

Jenner in 1796. Indian Ornithology
SSC-CGL 07/06/2019 (Afernoon)
(a) Pierre Curie/ frtara Q265. The phrase 'Survival of the
(b) Santiago Ramön y Cajal/ te Ssc CPO 1603/2019 (Morning)
fittest' as a way of describing the (a)Salim Ali/ fH
mechanism of natural selection was
(e) Henry Moseley/ ttt coined by
(bJohn James Audubon u GR
(d) Luis Alvarez/ HCARG
(c)Konrad Lorenz/ HIS ARG
Sol.(b) Santiago Ramön y Cajal (dJAllan Octavian Hume!
Explanation :The neuron doctrine is
the concept that the nervous system is sSC-CGL I1/06/2019 (Evening)
comprised of discrete individual (a) Louis Pasteur IAR Sol.(d) Allan Octavian Hume
(b) Charles Babbage sation Alan Octavian Hume
cells(neurons) which are separate from
each other as opposed to forming a (c) Herbent Spencer/ g Explanation
Indian Ormithology -Omithologist - A
continuous network. (d) Marie Curie/ O Hume - Birding in India. Allan
Octavian Hume, was a Scottish civil
0263. Which scientist discovered the Sol(c) Herbert Spencer servant, political reformer and the
"Penicillin"? Explanation : Herbert Spencer founder of the Indian National
initiated a philosophy of Social Congress. He was described by Dr
SSC-CGL 11/062019 (Morning) Darwinism". He was the one who Salim Ali as 'Father of Indian
(a) Louis Pasteur/ TYR coined this term "survival of the Ornithology.
(b)Alexander Fleming fittest seven years before Darwin
published his theory of natural history Q268. DNA was first isolated,
(c) Robert Koch/
analysed and recognised as a unique
(d) Emst Chain/ RA Q266.Who among the following macromolecule by in
discovered the circulation of blood? 1869.
Sol.(b) Alexander Fleming
Explanation: 'Penicillin is compounds
produced by bacteria and fungi which SSC CHSL IL/07/2019 (Afteraoon)
are capable of killing, or inhibiting. (a)William Harvey/ fatfrH gI sSC CPO 13/03/2019 (Evening)
competing microbial species. It was an (b)Florence Rena Sabin/ ta t (a)Friedrich Miescher/ bsrs Ae
accidental discovery by Alexander (b)William
(c)Ermst Heinrich Weber/ tara
Fleming in 1928.
(d)Alfred Hershey / 3febs
0264. Who discovered the first (d)Van Leeuwenhoek/ ATÍS
vaccine for smallpox? Sol.(a) Friedrich Miescher
Sol.(a)William Harvey Explanation : DNA was first isolated,
sSC-CGL. I/06/2019 (Afternoon) Explanation : William Harvey was an recognised and analysed as a unique
(a) Louis Pasteur/ K IUR English physician who made seminal macromolecule by Friedrich Miescher
(b) Edward Jenner/ sas T contributions in anatomy and
(c) Alexander Fleming vrs physiology. He was the first known Q269. The five kingdom concept of
physician to describe completely. and classification of organisms was given
(d) John Hunter/ H in detail, the e svstemie circulation and
properties of blood being pumped to
by:
Sol.(b) Edward Jenner the brain and body by the heart.
Explanation : Smallpox vaccine, the sSc CPO 1203/2019 (Morning)
first successful vaccine to be (a)William Paley/ fafeH te
(bCharles Darwin/ Á Sifti
 BIOLOGY
(c)Carl Woese/ ref aiyà Bose. The Bose crescograph uses a
(d)Robert Whittaker/a fRcIGR series of clockwork gears and a
sImoked glass plate to record the ?
SsC MTs 09/08/2019 (Afternoon)
Sol.(d) Robert Whittaker movement of the tip of a plant at
Explanation : Robbert Whittaker was magnifications of up to 10.000. (a)Gregor Mendel/ R4SG
the first to propose the five-kingdom
(bJ.B.S. Haldane/ i q gs
(c)Charles Darwin/ ÉS
classification. It was divided into Q272.Who invented penicillin?
Monera, Protista,Fungi, Plantae and
(d)Stanley L. Miller/ T0T fAER
Animalia. ssC MTS 07/08/2019 (Afternoon)
(a) Galileo Galilei/ ifafra f e Sol.(bJ.B.S. Hakdane
(b)Alexander Flerming Explanation: J.B.S. Haldane had
Q270. Penicillin, one of the world's
suggested that life must have
first antibiotic, was discovered by:
(c)Evangelista developed from simple inorganic
Torricelli/ 3A-ftN zrte molecules.He was a British-Indian
(d)Theordore H.Maiman/ frtsr a scientist. He was one of the founders
SSC CP0 1603/2019 (Afternoon) of Neo-Darwinism
(a)Marie Curie/ i
(b)Alexander Fleming/ yertsrt Sol.(b)Alexander Fleming 0275. There is No vaccine for which
(c)Alexander Graham Bell/ yersT Explanation: In 1928, at St. Mary's of the following hepatitis viruses?
Hospital, London, Alexander Fleming
(d)Pierre Curie/ fruR R discovered penicillin. This discovery
led to the introduction of antibiotics sSC CPO 1/122019 (Moraing)
Sol.(b) Alexander Fleming that greatlyy reduced
redud the number of (a) Hepatitis A / g f a A
Explanation: Penicillin, the first true Aeaths from infection. (b) Hepatitis D/EgHD
antibiotic, was discovered by (c) Hepatitis B/tùesfe B
Alexander Fleming in 1928, Penicillin Q.273 .Who is known as father of (d) Hepatitis C/gHC
antibiotics were among the first Surgery?
medications to be effective against Sol.(d) Hepatitis C
many bacterial infections. SSC MTS 08/082019 (Afernoon) Explanation: Hepatitis B and hepatitis
(a)Charak/'rE C can also begin as short-term, acute
0271.Which of the following scientist (b)Patanjaliqtaf infections, but in some people, the
is related to the discovery of (c)Hippocrates fE virus remains in the body, resulting in
crescograph? (d)Sushruta/ d chronic disease and long-term liver
problems. There arce vaccines to
Sol.(d)Sushruta prevent hepatitis A and hepatitis B:
SSC MTS 05/08/20 19 (Affernoon) however, there is no vaccine for
Explanation: Sushruta was a physician
(a)Meghnad Saha/ uZ HIEI in ancient India known today as the hepatitis C
(b)Homi J. Bhabha' e T41
"Father of Indian Medicine" and
(c)Satyendra Nath Bose H s "Father of Plastic Surgery" for 0276. Which botanist is credited with
inventing and developing surgical creating one of the first widely used
(d)Jagdish Chandra Bose/ GaR t
procedures. natural systems of plant classification?

Q274.Who among the following

Sol.(d)Jagdish Chandra Bose
suggested that life must have SSc CPO 12/122019 (Moraing)
Explanation: A crescograph is a
developed from simple inorganic (a) Joseph Banks /tts *
device for measuring the growth in molecules?
plants. It was invented in the early (b) August Wilhelm Eichler / 3ET
20th century by Sir Jagadish Chandra

BIOLOGY

(c) Joseph Dalton Hooker / Ts Herbert Spencer is famous for his (c) Hermann Muller 644 HER
doctrine of social Darwinism () Richard Willstätter/ ra[ faera
(d) Robert Brown/agd Albert Einstein is famous for his
theory of relativity and Brownian Sol(d) Richard Willstätter
Sol. (b) August Wilhelm Eichler motion. Explanation: Richard Willstätter won
Explanation: August Wilhelm Eichler. the Nobel
N Prize in 1915 for describing
also known under his Latinized name, Q279.Christiaan Barnard is famous the nature of the structure of
Augustus Guilielmus Eichler, was a for: chlorophyll in plants and also noted
German botanist who developed a new magnesium as the central element in
system of classification of plants to SsC CGL9.3-2020 (Evening) its structure.
reflect the concept of evolution. (a)first publishing tables of logarithms
0281. Who referred to as he
0277, Whose invention led toto tthe (b)performing the wortd's first human *Darwin of the 20th Century"?
development of polio vaccine? heart transplant /-41 1 Y6eI HA

(c)delivering the world's first test-tube SSC CPO 23-11-2020 (Evening)

SSC CPO 13/12/2019 (Evening) (a) Katherine Esau/ 4tA 58
(a) Linus Pauling / fH t (b) Ernst Mayr 3
(b) Jonas Salk /-H HICCE (dcloning the first mammal ever / (c) Har Gobind Khorana u f
(c) Robert Wellberg /ta tef
(d) Ernest Hacckel / 3fe t (d) Marshall Warren Nirenberg/ HRfe
Sol.(b) performing the world's first
Sol. (b) Jonas Salk human heart transplant
Explanation: The first effective polio Explanation: Christiaan Barnard Sol.(b) Emst Mayr
vaccine was developed in 1952 by (1922-2001) was a South African Explanation: For his contribution in
Jonas cardiac surgeon who achieved fame by the field of biology Ernst Mayr is
Salk and a team at the University of performing the first successful heart known as Darwin of the 20th
transplant in the world. In 1967. be century.He was bom in Gemany.He is
Pittsburgh that included Julius
Younger, Byron Bennett, L. James transplanted the heart from a young accredited with essentially single
Lewis, and Lorraine Friedman wh
which brain-dead woman to Louis handedly creating the fields of the
required years of subsequent testing Washkansky, who had an incurable History and philosophy of Biology.
heart disease.
0278.Who discovered cells in the Scientific Study
human body?
Q280. Which scientist won the Nobel
Q282. is a scientific discipline
Prize in 1915 for describing the nature
SSC CGL 7-03-2020 (Afternoon) of the structure of concerned with the study of plant
(a)Charles Darwin/ st chlorophyll in plants and also pollen, sopres and certain
(b)Robert Hooke a gE microscopic planktonic organisms, in
(c)Herbert Spencer gf
(d)Albert Einstein/4eé TSA both living and fossil form.

Sol.(b) Robert Hooke

Explanation: Robert Hooke discovered
the cell.
Darwin is famous for his theory of sSC-CGL 0606/2019 (Aflernoon)
evolution. (a) Paleobotany/ tfriatet
(b) Ethnobotany/ eteA
(c) Dendrology/astett examines the effects of time on
(d) Palynology/ tferrett biological events. Franz Helberg is
known as the father of chronobiology.
SSc-CGL. 06/06/2019 (Afternoon) Mycology is the study of fungi
Sol.(d) Palynology (a) Paleontology/ tfitete including their genetic and
Explanation : Palvnology is the study (b) Histology/ ftett
biochemical properties
(c) lchthyology/ 5*Tett
of plant pollen spores and other (d) Entomology/ teretf
certain microscopic plankton Q286. Apiculture is the technique of
organisms in both living and fossil scientific rearing of in a
Sol.(b) Histology specially designed wooden box.
form. Explanation Histology, is the
Paleahotany is the study of fossil branch of biology which studies the
plants. microscopic anatomy of biological
tissues. SSC CPO 12/03/2019 (Morning)
Ethnobotany is the scientific study of
Palcontology is the study of fossils t (a)Honey bees/ UH
the traditional knowledge and customs determine organisms' evolution and (b)Silkworms 4At
interactions with each other and their
of a people conceming plants and their (c)Moths e
medical, religious, and other uses. environments (d)Termites/ aHs
lchthyology, also known as fish
Dendroloy is the study of trees.
science, is the branch of zoology Sol<a) Honey bees
devoted to the study of fish. This Explanation : Apiculture is the
Q283. is the branch of zoology includes bony fish, cartilaginous fish,
concerned with the study of technique of scientific rearing of
and jawless fish. honey bees in a specially designed
amphibians.
Entomology is the study of insects and wooden box by this process Bees are
their relationship to humans, the taken care of and are managed to
SSC-CGL 06/06/2019 (Afernoon) environment, and other organisms. produce wax and honey.
(a) Herpetology/ erett
is that branch of
(b) Ethology/ Fuet Q285.
Q287. is the study of viruses.
(c) Mammalogy/ u e Botany which is related to structure SSC CPo 1203/2e19 (Mierinel
(d) Morphology/ pfeit and study of Biology.
(a)Mycology/ H4OTet
Sol.(a) Herpetology (b)Virology/a e l
Explanation Herpetology is the (c)Protozoology/ Ìetutett
branch of zoology concerned with the
SsC-CHSL. L/O72019 (evening) (d)Parasitology/ rI^eTeta
(a) Ecology / qiRfRfti faara
study of amphibians and reptiles. (b) Anatomy / RI faA
Ethology the science of animal Sol.(b) Virology
(c) Chronobiology/ tartett
behaviour. It is the study of human (d) Mycology /$4$ ftA Explanation : Virology is the study of
behaviour and social organization viruses
from a biological perspective. Explanaatomy
Sol.(b). Mycology is the study of Fungi
Mammalogy is the study of mammals :Anatomy is the study of Protozoology is the study of
Morphology is a branch of biology in the structure inside the body as well as Protozoans
which we study about the form and outside the body. Parasitology is the study of Parasites
structure of organisms and their
Ecology is the study of relationships
specific structural eatures. Q288. is the study of fungi.
between living organisms and their
is the study of the ysical environmen
phy SSc CPo 13/03/2019 (Morning)
Q284. Chronobiology is the study of
microanatomy of cells, tissues and (a)Geobiology/ fratarte
biological rhythms. basically
organs as seen through a microscope. (b)Mycology/ HTyteti

BIOLOGY

(c)Chronobiology/ )-arte Study of kidney is known as

(d)Gerontology/ t à t Nephrology.
SSC MTS 06/08/2019 (Afternoon) Study of lungs known as
Sol.(b) Mycology (a)Ophthalmology/ a f t Pulmonology.
Explanation : Mycology is the study (bXardiology/ i f t Study of liver is known as Hepatology.
of Fungi (cOtorhinolaryngology
Geology is the field in which we (d)Nephroogy/ Q293.'Peodology' is the science of:
explore the interactions between
physical earth and the biosphere. Sol.(d)Nephrology SSC CGL 9-03-2020 (Afernoon)
Chronobiology is the study of cffect of Explanation: Nephrology - branch of (a)skin disease /
time on biological events and intermal medicine which deals with the (b)ground water /
biological clocks kidneys. (c)soil / f
Gerontology is the study of social, (dchildhood illness/AÁ rt
cultural and biological aspects of Q291. Which of these words refers to
ageing.
the scientific study of domestic dogs? Sol.(c) soils

Explanation: Pedology is the study of

soils in their natural environment. It is
0289. is the study of ancient SSC CGL 3-3-2020 (morning) the science which focuses on
plants, like mosses, that grow in most, (a) cynology/ HI5tei understanding soil formation,
humid environments. (b) carpology/ rfta evolution and the theoretical
(c) Chrematistics /fRH
frameworks through which we
SSC MTS 02/08/2019 (Morning)
(d) Craniology / t e understand a soil body.
(a)Ethnobotany/ tafc
Sol. (a) Cynology
(b)Bryology/ raretti 0294. In 1930, which scientist was
(c)Palynology/ tef-itreit Explanation: Cynology is the study of awarded the Nobel Prize for

(d)Dendrology/ set canines or domestic dogs. describing the human ABO blood
Carpology study of structure of group system?
seeds and fruit. 1930 fb àIfAs ABO RIS
Sol.(b)Bryology
Explanation: Plants can all be Chrematistics - study of wealth.
Craniology - study of shape and size CCHSL 13/10/2020(Arrnoon)
classified into two orders, called
tracheophytes and bryophytes.
of skull of different human races. (a)Karl LandsrIs`
(bJAlbert Claude ec
Tracheophytes are plants, like trees, (c)Roger Guillemin a
flowering plants, and grasses, that Q292. Chiropody is a branch of (dyGeorge Wald
have a well-developed vas cular science related to which part of the
body? Sol.(a) Karl Landsteiner
system. In contrast, bryophytes are Karl Landsteiner
small plants that grow close together Explanation:
received the 1930 Nobel Prize for
and do not have a vascular system, S32020morning) Physiology or Medicine for his
which makes them very similar to (a) Kidney discovery of the major blood groups
those first plants that grew on Earth (b) Lungs and the development of the ABO
millionsons of vears ago. The study of
(c) Liver tat system of blood typing that has made
blood transfusion a routine medical
these ancient plants is called bryology. (d) Feet / tm
and the scientists who study them are practice.
called bryologists. Sol.(d) Feet
Miscellaneous
Explanation: Chiropody is the study
Q290. The branch of medical science and treatment of problems and
that deals with the kidneys is known Q295. What is Marble Cancer?
ns
diseases of people's feet.
sSCCGL. 07/06/2019 (Moraing)
 BIOLOGY

(a) Disease in animals due to marble Sol.(c) A state of reduced metabolic (a) They lay eggs/ t
activity during the winter scason (b) They hibernate in winter/ à Jug
among some animals.
(b) Soil degradation due to marble Explanation : Hibernation is a state of (c) They carry young ones in pouches/
mines/ THRHR SAa RU Hi minimal activity which results in low
metabolic rate and survive the winter (d) They migrate from one place to
(c) Cancer in humans due to working without cating much. During
hibernation the animal's body
(d) Corosion of marble due to acid ternperature drops, and its heartbeat
and its breathing slow down so that it Sol.(c) They carry young oncs in
does not use much energv, Animals pouches
that hibernate include polar bears, bats Explanation The distinctive
Sol.(d) Corrosion of marble due to .rodents etc. characteristic of Marsupials is that
acid rain
they cary their young ones in Pouch.
Explanation: The marble cancer refers Marsupials are a group of Mammals
Q297. Which of the following plants
to the corrosion of buildings and is Carnivorous? also known as ouched
statues made up of marbles by action Mammals.They give live birth but
of sulfuric acid and nitric acid. The SSC-CGL 10-06/20 19 (Evening) they don't have long gestation times
So, and NO, present in pollution get (a) Cyprus Vine/ r 4 like placental mammals.
deposited on these buildings. These (b) Venus Flytrap/ T FeÉ 2u
oxides absorb moisture from the (c) Amaryllis / E 0300.The is the stem-like part
and get converted into respective acids (d) Hyacinth/ of the leaf that joins the blade to the
and cause corrosion. stem
Sol.(b) Venus Flytrap
Q296. What is the definition for the Explanation : The Venus flytrap is a
term Hibernation '? SSC CHSL 08/07/2019 (Evening)
carnivorous plant native to subtropical
wetlands on the East Coast of the (a)Stipules/ 4a (b) Petiole/ $6T
United States in North Carolina and
(c)Midrib/ RufAI (d) Vein/
sSC-CGL 10/06/2019 (Evening) South Carolina.
(a) A state of hyperactivity in spring Sol.(b)Petiole
time among birds/ qfai ë T à
Q298. Which of the following is the Explanation : It is the stalk-like
smallest bird in the world? structure which connects the leaf blade
(b) Building of habitat (nests) by birds to the stem. The petiole has tiny tubes
to save themselves during the rainy Ssc-CGL I/06/2019 (Moraing) that connect the veins on the leaf blade
(a) Finchfba to the stem. Few of these enable water
(b) Diamond Firetai/ SUHS OUtG transport to the leaf while the other
(c) Bee Hummingbird/ gftvras carry food away from the leaf to other
(c) A state of reduced metabolic (d) Robin parts of the plant.
activity during winter season among
some animals./ Uqg ga xa Sol.(c) Bece Hummingbird 0301. Flower colours of red, pink,
Explanation : The bee hummingbird is blue and purple come mainly from
(d) A habit of food conservation a species of hummingtbird which is the pigments called
during summer season for winters world's smallest bird.
among animals/ q31 H HH
Q299. Which is the distinctive
SSC CHSL 0807/2019 (Evening)
characteristic of 'marsupials"?
(a)Carotenoids/ As3
SSC-CGL 12/06/2019 (morning) (b)Lycopene I1A

BIOLOGY

(c)Chlorophyl/ iftbg Explanation : The thin layer of living process of life, including growth,
(d)Anthocyanins/ ifrenf cells just inside the bark is called digestion, respirationThere are four
carmbium. It is the part of the tree that classes of biochemical compounds:
Sol(d)Anthocyanins makes new cells allowing the tree to carbohydrates, proteins, lipids (fats).
Explanation : Anthocyanins are grow wider each vear. and nucleic acids.
colored water-soluble pigments
belonging to the phenolic group. The Q304.Which of the following is an Q306. A wound stops blceding due
pigments are in glycosylated foms. example of terrestrial habitat? the process of clot formation called
Anthocyanins are responsible for the
colors in fruits and vegetables.
Ssc CHSL 11/07/2019 (Morning)
Berries, currants grapes, and some
tropical fruits have high anthocyanins (a)Grassland qu-ta sSC CPO 912/19 (Evening)
content. (b)Lagooni (a) fementation /fuq¬
(c)Rocks/ EA (b) coagulation/ a e
(d)Swamp/a (c) transfusion #ar
Q302.The total number of living
organisms, both plants and animals, in (d) incubation 4A
a given area is called: Sol.(a)Grassland
Explanation : Terrestrial habitats are
ones that are found on land, like Sol.(b) coagulation
forests, grasslands, deserts, shorelines, Explanation:A wound stops bleeding
SSC CHSL 09/07/2019 (Morning)
(a)buffers gH4e and wetlands. Terrestrial habitats also due to the process of clot formation
(b)biomass/ 4R include man made habitats, like farms, called Coagulation. Blood coagulation
(c)batholith/ sy:dr towns, and cities, and habitats that are is a process that changes circulating
substances
(d)barrage aiu under the carth, like caves and mines.
insoluble g
Sol.(b)biomass Q305. A biochemical compound is
blood vess 485/592
blood.
Explanation : The biomass is the mass
of living biological organisms in a Q307. Hiccups in humans generally
SSC CHSL. IL/07/2019 (Evening)
given area or ecosystem at a given occur due to the forceful downward
time. Biomass can refer to species (a)mineral-based compound found in
biomass, which is the mass of one or living things/ f Turta fiasa shifting of the
more species, or to community
biomass, which is the mass of all (b)sulfur-based compound found in Ssc CPo 12/12/2019 (Evening)
species in the community. living things HEST STUta hiffrs (a)diaphragm /34I95T4
(b) trachea / THi
(c)carbon-based compound found in (c) lungs /
Q303. The thin layer of living cells
just inside the bark of a tree is living thing/ 4 fta tîrs ti (d) larynx / A
called_ (d)hydrogen-based compound found
in living things EISGu JTka Sol. (a) diaphragm
Explanation: Hiccups are caused by
SSC CHSL 09/07/2019 (Evening)
(a)Pith/ Hal involuntary contractions of diaphragm
(The muscle that separates chest from
(b)Crawn oH Sol.(c)carbon-based compound found
nliving things abdomen and plays an important role
(c)Xylem/ GI6cH in breathing)
(d)Cambium/fayH Explanation biochemical
compound is any compound that
Q308. Name the long-haired
contains carbon and is found in living
Sol.(d)Cambium mammals found throughout the
things. They're involved in every
Himalayan region.
Dh 0072
 BIOLOGY

(c)Orange tai 0313..Mucosa, Submucosa,

SSC CPO 16/03/2019 (Morning)
(d)Grapes/ tyg Muscularis and Adventitia are the four
(a) Ow layers of the wall
(b) Bison ArTA Sol.(a) Avocado
(c) Yak/ (d) Heifer/ afou
Explanation : The avocado aiso known
as Persea americana is a tree with SSC CPO 1S/03/2019 (Evening)
Sol.(c) Yak (a) Stomach/3/412s
The domestic yak (Bos grunniens) is a probable origin in South Central
long-haired domesticated bovid found
Mexico, is classified as a member of (bXiastrointestinal RRI^A
the flowering plant family. (c)Throat
throughout suky'an
the region of (d) Nasal16
the Indian the Tibetan 0311. Excessive amount of in the
Plateau and as far north as Mongolia
body causes gout. Sol.(b) Gastrointestinal
and Russia. It is descended from the Explanation: The gastrointestinal wall
wild yak, surrounding the lumen of the
SSC CPO 1603/2019 (Evening) gastrointestinal tract is made up of
Q309. Which of the following is NOT (a)uric acid/ yr RI four layers of specialised tissue -
one of the great paradigms of biology? (b)lactie
Mucosa . Submucosa, Muscularis and
(c)nitric acid/ 5fe# 3 Adventitia
(d)acetic acid f f s
SSC CPO 13/03/2019 (Morning) 0314.Which combination of paternal
(a)Mendel's laws of inheritance/ Hs
Sol.(a) Uric Acid chromosome results in a female?
Explanation: Gout is caused initially
(b)Archimedes' principle/ r6farstu
by of uric acid in the blood.
(c)Establishment of comparative aamie Uric acid S SSC MTS 07/08/2019 (Morning)
produced in the body during the (a)ZX (b)XX
biochemistry qer-aT# tArA (c)YZ (d)XY
RIYI breakdown of purines chemical
(d)Darwin's theory of evolution/ sIf compounds that are found in high
amounts in certain foods such as meat, Sol.(b)XX
poultry, and seafood. Explanation: Men determine the sex of
Sol.(b) Archimedes' Principle a baby depending on whether their
Archimedes' Principle is a theory we 0312. In bumans, cach cell pormally sperm is carrying an X or Y
contains chromo
chromosome An X chromosome
study in physics pairs of chromosomes.
combines with the mother's X
Archimedes' principle states that the
upward buoyant force that is exerted chromosome to makea baby girl (XX)
on a body immersed in a fluid. sSC CPO 1603/2019 (Afternoon) and the Y chromosome will combine
whether fully or partially submerged, (a)22 (b)24 with the mother's to make a boy (XY).
(c)23
is equal to the weight cahe fuidthat (d)21
the body displaces and acts in the 0315.Which micronutrient is supplied
Sol.(c) 23 by soil to plant?
upward direction at the center of mass
of the displaced fluid Explanation: In hurmans, cach cell
normallly contains 23 pairs of
chromosomes, for a total of 46. SSC MTS 09/08/2019(Morning)
Q310. Persea Americana is commonly (a)Phosphorous pDRH
known as Twenty-two of these pais, called
autosomes, look the sarne in both (bCalcium/fA
males and females. The 23rd pair, the (c)Zinc/ t l
SSC
CCPO1d 9 (Moraing)
sex chromosomes, differ between (d)Nitrogen 5 g
(a))Avocado/ males and females.
Sol.(c)Zinc
(b)Watermelon/ TqG

BIOLOGY

Explanation: In relatively large 0318.Which of the following is NOT (a)Lactic acid/ Afs T
amounts, the soil supplies nitrogen, a type of Fungi? (b)Methano tat
phosphorus, potassium, calcium, (c)Carbon dioxide/ TA SETHrSS
magnesium, and sulfur; these are often SSC MTS 19/082019 (Morning) (d)Echanol/
called the macronutrients. In relatively (a)Agarics t
small amounts, the soil supplies iron, (b)Penicillium/ f A Sol.(a)Lactic acid
manganese, boron, molybdenum, (c)Gonyaulax/ Explanation: Lactic acid is formed by
copper, zinc, chlorine, and cobalt, the (dJAspergillus/ yaftfere the fragmentation of glucose in the
so-called micronutrients. absence of oxygen. Lactic acid is
Sol.(c)Gonyaulax produced in musele ccells when NADH
0316.Silk is obtained from which Explanation: Gonyaulax is a genus of H formed in glycolysis is oxidized
type of organism? dinoflagellates that ae aquatic to NAD by a transfer of the hydrogen
organisms with two separate flagella:
one extends backward and the other
ions to pyruvic acid (C,H,0,), which.
ssC MTS 14/08/2019 (Afernoon) in turn, is reduced to lactic acid
wraps around the cell in a lateral (C,H,0).
(a)Moth/ le (b)Goat/ a t
groove helping to keep the organism
(c)Sheep/ g (d)Butterfly facfi afloat by rotational motility. Q321.Which of the following
organisms reproduce by Spore
Sol.(a)Moth Q319. The mouth of Mollusca
Formation?
Explanation: The best-known silk is contains a file-like rasping organ for
obtained from the cocoons of the feeding which is called
larvae of the mulberry silkworm
SSC MTs 22/08/2019 (Afernoon)
Bombyx mori reared in captivity (a)Bryophyllurn/gCTH
(sericulture).Silk is produced by (b)Planara/
several insects. but, generally, only the SSC MTS 20/08/2019 (Afternoon)
(a)chitinous/ Sf (c)Rhizopu
silk of moth caterpillars has been used
for textile manufacturing. (bjradula geI
(d)Plasmod 487/592
(c)parapodia/ RTR
0317.Which of the following pairs (d)coelomate/ frièe Sol(c)Rhizopus
Explanation: Rhizopus species grow
represents a parasitic relationship?
Sol.(b)radula as filamentous, branching hyphae that
Explanation: All molluscs also have generally lack cross-walls (ic., they
sSC MTS 16/08/2019 (Morning) gills, a mouth and an anus.A feature are coenocytic). They reproduce by
evunl and sexual spores. In
forming asexu
(a)Algae-Coral reefs/ ÜATA-JAT f unique to molluscs is a fle-like
(b)Ticks on Dog/ pt fbert asexual reproduction, sporangiospores
rasping tool called a radula. This
(c)Remora Fish-Sharks/ are produced inside a spherical
structure allows them to serape algac
H9c-h and other food off rocks and even to structure, the sporangium.
(d)Cattle Egrets - Livestock/s H. drill through the shell of prey or catch
fish
Q322. The era is also known
as the age of mammals'
Sol.(b)Ticks on Dog 0320.In human muscle cells, which
Explanation: Tick and dog share a
chemical compound is formed by the
symbiotic relationship that can be ssC CPO N22019 (Moraing)
fragmentation of glucose in the
described as parasitic. Symbiosis is
absence of en? (a) Palacozoic aitti
the relationship between two
(b) Cenozoic/i
org where either one or both (c) Neozoicfruis
the a ims get the benefit. (d) Mesozoic/ RU
SSC MTS 2/08/2019 (Evening)
Sol.(b) Cenozoic
Explanation: The Cenozoic Era is also Explanation: A node is the part of the (b) RNA/ 3TAr.
called the "Age of the Mammals". It plant stem where the flowers. (c) DNA sÌAL
began about 65 million years ago as branches, and leaves first start to grow. (d) Flowers/
the great lizards, the dinosaurs became Nodes can hold several leaves and
extinct. buds that have the capacity of growing Sol.{c) DNA
The mammals mainly Dinosaurs, giant and spreading into branches. Explanation: DNA can be considered
reptiles lived during the age of as a natural flame retardant and
Mesozoic Era Q325. In biological terms, is a suppressant. Its chemical structure
After the extinction of the dinosaur, relationship between two organisns in makes it ideal for stopping fires.
the Neozoic age started which one organism benefits and the
other is unaffected. 0328.Which among the following is a
Q323. in the context of trans - fats , non-biodegradable waste?
which of the following statements is
NOT correct ?
ssc CGL 43/2020 (morning) SSC CGL 9-03-2020 (Afternoon)
(a) Amensalism / HE-Ifr (a)Dead animals /Hd g
sSC CPO 11/12/2019 (Morning) (b) Mutualism / faf14AIZ (b)Vegetables / afar
(a) They are produced from the (c) Commensalism HEIC (c)Plastic / e f
(d) Parasitism/ i t
industrial process of hydrogenation./à (d)Flowers/
SoLkc) Commensalism Sol.(c) Plastic
(b) WHO has called for their Explanation: Commensalism is Explanation: Non-biodegradable
elimination by 2023./ WHO 2023 E long-term biological polymers do not break down to a
interaction(Symbiosis) in which natural, environmentally safe
members of one species gain benefits condition over time by biological
(c) They have a shorter shelf- life than while those of the other species processes. Most plastics are
natural fats./g401 r dt HrHRA neither benefit por are harmed. non-biodegradable because they do
not break down naturally and remain
(d) Their consumption increases LDL 0326. Which of the following is used
in soil, water bodies and on earth.
cholesterol and decreases HDL to control pest fish?
cholesterolU GT1J 9 LDL #tH 0329. The solar tracking (moving in
ng) the sun's direction) of the sunflower is
(a) Predacides/ ytra cal
(b) Piscicides/ cRE
Sol.(c) They have a shorter shelf- life (c) Herbicides/ feISSH
than natural fats. (d) Ovicides/ arsgH SSc CHSL. 16-10-2020 (ARernoon)
Explanation: Trans-fat has a Short
shelf-life then natural fat. Sol.(b) Piscicides
(a) Phototropism/ er1tH
(b) Thigmotropism/ fiieift
Explanation: A piscicide is a chemical (c) Heliotropism/ fstettt
Q324. The part of a stem arises is substance which is poisonous to fish.
known as (d) Hydrotropism/ 515sgtfn
The primary use for piscicides is to
eliminate a dominant species of fish Sol.{c) Heliotropism
SSC CPO 12/12/2019 (Morning)
(a) node / as Explanation: Heliotropism is a form of
(b) tuber / a Q3Z Which of the following is a
natural flame retardant?
tropism, is a diurnal or seasonal
(c) carpel/ t movement of the plant parts (leaves.
(d) bud /Hf flowers) in response to the direction of
SSC CGL 6-03-2020 (Morning) the Sun.
Sol. (a) node (a) Skin/

Phototropism is the growth of an Explanation: The drongo,

organism in response to a light impersonates the calls of other birds in
stimulus. order to steal food.
Thigmotropism is a directional growth sSC CPO 24-11-2020 (Evening)
movement which 0ccurs as a Q333. What are supporting roots (a) locusu
mechanosensory response to a touch coming out of lower ends of the stem (b) rat/ I
stimulus. of maize and sugarcane called? (c) earthworm/ g
(d) weed/ YGAR
0330, Locomotion in takes
place with the help of a muscular foot. SSC CP0 23-11-2020 (Evening) Sol.(c) carthworm
(a) Stilt Root fRe Explanation: Earthworms are called
(b) Tertiary Root /gus Gg the farmer's 'friend' because they
sSC CHSL 20-10-2020 (Evening) (c) Primary Root / fAs 2 help in he breakdown of complex
(a) jellyfish (d) Prop Root / e organic matter as well as in loosening
(b) snails/ of the soil.
(c) carthworms/ Sol.(a) Stilt Root
(d) None oTf 1A TI Explanation: Stilt roots are supporting Q336. Detritivores in the soil break
roots of the plant. They are short but down detritus into smaller particles.
Sol.(b) snails thick and make the plant stand like This process is
Explanation: Locomotion in snails tent ropes. They are generally found in called
takes place with the help of a muscular the plants which grow ncar the river
foot bank (as to provide support). Ex.
Sugarcane and Maize SSC CPO 24-11-2020 (Evening)
0331. Which of the following is a (a) leaching A4Te
breed of sheep? Q334. Which of the following does (b) catabolism/ yqs
NOT all under the category of (c) mineralisation/ afutsu
oilseeds? (d) fragmentation/ fatsa
SSC CHSL 26-10-2020 (Afternoon)
(a) Barbari / Sal.<d)fragmentt89/592
(b) Jamunapari / ur SSC CPO 23-11-2020 (Evening) Explanation:Detritivores in the soil
(c) Mecheri / à (a) Oats break down detritus into smaller
(d) Beetal/c (b) Groundnuv Tscf particles.This process is called
(c) Sesame' iTH fragmentation
Sol{c) Mechri (d) Soyabecan/ tTI Fragmentation is a form of Asexual
Explanation: Barbari, Jamunapari and reproduction in which organisms split
Beetal are the breeds of goat. Sol.(a) Oil into fragments and each fragment
Explanation: Oats is the cereal not an develops into a mature clone
Q332. Which the following oilseed. It is a sustainable crop genetically identical to its parcnt.
birds impersonates the calls of other generally grown by the farmers during
birds to steal food? the crop rotation policy. Oilseed crops 0337, When a host is exposed to
are generally grown for the oil as there antigens, which may be in the fom of
seed contains a large quantity of oil in livingne or antibodies
dead microbes or other
it. are produced in
SSC CP0 23-11-2020 (Morning) proteins, ant
(a) Owl / T (b) Eagle / f the host body. This type of
0335. Called the farmer's friend', the immunity is called immunity
(c) Mynah / A (d) Drongo t
helps in the breakdown of
Sol/d) Drongo complex organic matter as well as in
loosening of the soil.