⦕ Circulation : Midnight prediction ⦖

01. Give appropriate biological or technical term for the following :

(i) The respiratory pigment present in erythrocytes

(ii) The soluble protein in blood plasma responsible for blood clotting.

(iii) The protective covering of heart

(iv) Phase of cardiac cycle in which the auricles contract

(v) The vein that carries oxygenated blood.

02. Give the exact location of :

(i) Mitral valve

(ii) Tricuspid valve

(iii) Pulmonary semilunar valve

(iv) Chordae tendineae

03. Give the exact function of :

(i) Lymphocytes of blood

(ii) Thrombocytes

(iii) Coronary artery

(iv) Chordae tendineae

04. Choose the odd one out from each of the following sets, giving the
reason for your choice.

(i) Mitral valve, sino-atrial node, aorta, pulmonary vein.

(ii) Basophil, Neutrophil, Eosinophil, Lymphocyte.

05. State whether the following statement is true or false. If false,
write the correct statement by changing the first word only.

(i) Iron is the mineral element responsible for the clotting of blood.

(ii) Platelets which disintegrate in the injured tissue cells release

prothrombin.

(iii) 'O' Blood group is a universal donor.

06. Give biological reasons for the following:

(i) The wall of the ventricles is thicker than the auricles.

(ii) Veins are provided with valves.

(iii) The blood inside the blood vessels does not clot.
07. Differentiate between the following pair on the basis of what is
mentioned within the bracket:

(a) Mitral valve and Aortic semilunar valve (location)

(b) Beginning of the ventricular systole and the end of ventricular

diastole (type of heart sound)

(c) Blood plasma and serum

08. Given below are the set of five terms each. Rewrite the terms in
correct order in a logical sequence.

(a) Fibrin, Platelets, Thromboplastin, Fibrinogen, Thrombin

(b) Posterior vena cava, renal artery, aorta, renal vein, kidney

(c) Right auricle, pulmonary vein, post and pre-vena cava, lungs,
right ventricle, pulmonary artery, left auricle
09. Answer in short :

(A) Differentiate between (origin, function and shape) :

Red blood corpuscles and white blood corpuscles

(B) Name the substance that initiates blood clotting.

(C) What is the mineral element essential to form a blood clot?

(D) Briefly explain the term diapedesis.

10. Answer in short :

(A) From where to where do the vessels Hepatic portal vein carry blood?

(B) Briefly explain the pulse. What is the main cause of pulse wave? The
pulse beat per minute of a normal human adult is …………… .

(C) What is the contraction phase of auricles called?

Name the two valves that open during this phase.

(D) Explain the term double circulation. What is the passage of White
Blood Corpuscles through the unruptured walls of blood vessels called?
11. The diagram alongside represents circulation of the human body.
Answer the question that follows.

(i) Name the blood vessels labelled A, C, F and G.

(ii) Draw a neat labelled of the blood vessel labelled

B as seen in a cross-section.

(iii) Mention one structural difference between

blood vessels numbered D and E.
12.
(i) Identify the phenomenon occurring in (a).

(ii) Mention two structural differences between A and B.

(iii) Name the process occurring in (b) and (c) and

state the importance of this process in the human body.
13. Draw a neat labelled diagram of –

A human blood smear.

 ⦕ Excretory System : Midnight prediction ⦖

01. Draw neat and labelled diagram of –

(A) The Malpighian Capsule

(B) The longitudinal section of kidney.

02. Differentiate between the following pairs on the basis of what is
indicated in the brackets –

(A) Ureter and Urethra (function)

(B) Renal cortex and Renal medulla (Parts of nephron present)

(C) Bowman’s capsule and Malpighian capsule. (Parts included)

03. Write the technical term for -

(A) Knot-like mass of blood capillaries inside the bowman’s capsule.

(B) Structural and functional unit of kidney.

(C) The process of maintaining water and salt balance in the body.

(D) The organ that produces urea.

(E) The hormone increasing the reabsorption of water by kidney tubules.

04. Mention the exact function and location of -

(A) Nephron.

(B) Proximal convoluted tubule.

(C) Distal convoluted tubule.

05. Give reason for the following :

(A) Urine is slightly thicker in summer than in winter.

(B) The renal cortex has a dotted appearance.

06. Given below is the set of five terms. Rewrite the terms in logical
sequence as directed at the end of the statement.

Renal vein, renal artery, afferent arteriole, efferent arteriole, glomerulus.

(pathway of blood through glomerulus)
07. State whether true or false. It false, rewrite the correct form of the
statement by changing the first and last word only.

(A) Urethra carries urine from kidney to the urinary bladder.

(B) Normal pale-yellow colour of urine is due to the presence of the

pigment Melanin.
8. Choose the odd one out of the following terms given and name the
category to which the others belong :

Bile, Urea, Uric acid, Ammonia.

09. Explain the term :

(A) Osmoregulation.

(B) The formation of glomerular filtrate

10. (A) The diagram given below is that of a structure
present in a human kidney. Study the same and
answer the questions that follows :

(i) Name the structure represented in the diagram.

(ii) What is the liquid entering part '1' called?
Name two substances present in this fluid that are
reabsorbed in the tubule.
(iii) What is the fluid that comes to part '2' called ?
Name the main nitrogenous waste in it.
(iv) Mention the three main steps involved in the
formation of the fluid mentioned in (iii) above.
(v) Name the substance which may be present in the
fluid part ‘2’ if a person suffer from diabetes mellitus.
10 (B) Given alongside is the diagram of a part of the
nephron of the kidney. Study the same and answer the
question that follows :

(i) Name the parts labelled A, B and C.

(ii) What is the collective term used for B and C ?

(iii) Why is the right kidney at a slightly lower level than the left.

(iv) Explain the term homeostasis. What is the role of the kidney
in this?
 ⦕ Endocrine System : Midnight prediction ⦖
01. Name the hormone responsible for the following functions:
(i) Increase in heartbeat.
(ii) Maintains glucose level in the blood.
(iii) Converting glycogen to glucose.
(iv) regulates basal metabolism.
(v) Ossification of bones.
(vi) Prepares the body during emergency.
(vii) Responsible for normal growth of the whole body.
(viii)Regulates the functioning of the male and female reproductive organs.
(ix) Increased reabsorption of water in the kidneys.
(x) Increased blood supply to muscles.
02. Name the hormones which lead to the following conditions:

(i) Diabetes mellitus

(ii) Growth of beard in women
(iii) Myxoedema
(iv) Gigantism
(v) Exophthalmic goiter
03. The hormone -

(A) secreted by beta-cells of islets of Langerhans.

(B) that releases glucose into blood.

(C) helps to increase the reabsorption of water from the kidney tubules.
04. Mention the exact location / function of -

Islets of Langerhans.
05.
(A) Name the two kinds of diabetes.
Mention their symptoms and causes.

(B) Explain the term - Tropic hormone.

06. Complete the following table by filling in the blanks numbered
(i) to (x).
Function/Effect on
Gland Hormone secreted
body
Thyroid (i) ............... (ii) ...............
(iii) ............... Vasopressin (iv) ...............
(v) ............... (vi) ............... Promotes glucose
utilization by the body
cell
Lacrimal gland (vii) ............... (viii) ...............
Adrenal medulla (ix) ............... (x) ...............
07. Differentiate between :

Acromegaly and Cretinism (symptoms)

08. Give reasons :

Goitre is usually observed in people living in hilly regions.

09. Choose the odd one in each of the following series:

(i) Insulin, glucagon, diabetes insipidus, diabetes mellitus.

(ii) Cretinism, myxoedema, goiter, scurvy.

10. Given alongside is an outline of the human body showing the
important glands.

(i) Name the glands marked 1 to 5.

(ii) Name the hormone secreted by 2.
Give one important function of this hormone.
(iii) Name the endocrine cells present in part 4.
(iv) Name the hormone secreted by part 3.
Give one important function of this hormone.
 ⦕ Nervous System & Sense Organs :
Midnight prediction ⦖
1. Give the technical term for –

a) The quick action which are involuntary and controlled by the spinal cord.
b) The part of the human brain that controls body temperature.
c) Protective membranes of the brain.
d) Protective covering of brain and spinal cord.
e) The fluid present between the layers of meninges.
f) The change in an organism resulting due to stimulus.
g) The fluid that provides protection and nourishment to the cells of the brain.
h) The ear ossicle which is attached to the tympanum.
i) The part of the brain that carries impulses from one hemisphere of the cerebellum to the other.
j) The layer of the eyeball that forms the transparent Cornea.
k) The kind of lens required to correct Myopia.
l) The lens of eye losing flexibility resulting in a kind of long-sightedness in middle aged people.
m) The cerebral hemispheres in mammals are connected by ……………….. .
02. True or false. Correct if false statements:

a) The outermost layer of Meninges is Pia mater.

b) Gyri and Sulci are the folds of cerebellum.
c) Dilation of the pupil is brought about by the sympathetic nervous
system.
d) All voluntary actions are controlled by the cerebellum.
e) Dilation of the pupil is brought about by the sympathetic nervous
system.
f) All voluntary actions are controlled by the cerebellum.
03. Mention the exact location / function of -

a) Myelin Sheath.
b) Neurolemma.
c) Corpus callosum.
d) Cerebrospinal fluid.
e) Medulla oblongata.
f) Each of the meninges.
g) Lacrimal gland.
h) Malleus.
i) Semi-circular canals.
j) Eustachian tube .
k) Ciliary body.
l) Organ of Corti.
m) Ear ossicles
n) Suspensory ligament of the eye.
o) Yellow spot.
p) Aqueous humour.
04. Explain the term -

a) Reflex action.
b) Synapse.
c) Neurotransmitters. Also name chief neurotransmitter
05. Give reason :

a) A person after consuming alcohol walks clumsily. OR An

alcoholic person walks unsteady when drunk.

b) Throat infections can lead to ear infections.

c) Injury to the medulla oblongata results in death.

d) We should not put sharp objects into the ears.

06. Name the part of brain which is -

a) Associated with memory.

b) Seat of memory.

c) Coordinates muscular activity.

d) Maintenance of the body posture.

06. Name the part of brain which is -

a) Associated with memory.

b) Seat of memory.

c) Coordinates muscular activity.

d) Maintenance of the body posture.

07. With reference to the functioning of the eye, answer the questions
that follow:

(i) What is meant by power of accommodation of the eye?

(ii) What is the shape of the lens during (a) near vision (b) distant
vision?

(iii) Name the two structures in the eye responsible for bringing about
the change in the shape of the lens.

(iv) Name the cells of the retina and their respective pigments which
get activated (a) in the dark (b) in light.
 The number of spinal nerves and cranial
nerves in a human being
08. Given below is the sets of five terms. Rewrite the each terms in logical
sequence -

a) Motor neuron, receptor, sensory neuron, effector, association neuron

(pathway of a nerve impulse).

b) Dorsal root ganglion, receptor, effector, ventral root ganglion, associated

neuron.

c) Spinal cord, motor neuron, receptor, effector sensory neuron.

09. Given below is the set of four terms in which one term is odd and cannot be
grouped into the category to which the other three belong.

a) Sneezing, coughing, typing, blinking.

b) Blinking, Knitting without looking, smiling, blushing, crying.

c) Cerebrum, cerebellum, thalamus, hypothalamus.

d) Pons, cerebellum, medulla oblongata, cerebrum.

10. Give one point of difference between the following pair on the basis of what is
indicated in bracket.

(a) Medulla oblongata and cerebellum (function).

(b) Cerebrum and spinal cord. (arrangement of nerve cell).

(c) Rod cells and cone cells (pigment).

(d) Sclerotic layer or choroid layer (which one forms the Iris).

(e) Perilymph and Endolymph (Which one surrounds the organ of Corti).
11. Draw neat and labelled diagram of a Myelinated Neuron.
12.

(i) Draw a well labelled diagram of the membranous labyrinth found in

the inner ear.

(ii) Based on the diagram drawn above in (i) give a suitable term for
each of the following description:
(a) The sensory cells that help in hearing.
(b) The part that is responsible for static balance of the body.
(c) The membrane covered opening that connects the middle ear
to the inner ear.
(d) The fluid present in the middle chamber of cochlea.
(e) The structure that maintains dynamic equilibrium of the body.
13. Given below is a diagram depicting a defect of
the human eye. Study the same and then answer
the questions that follow:

(i) Identify the defect.

(ii) Name the parts labelled A, B and C.
(iii) Give two possible reasons for this eye
defect.
(iv) Draw a labelled diagram to show how the
above mentioned defect is rectified.
 ⦕ Reproductive System :
Midnight prediction ⦖
1. Given below are the particular structures write their special functional activity:
(i) Corpus luteum
(ii) Seminal vesicles

2. Given below is a set of term in logical sequence, representing a process of a

function of these, one term is incorrect. Identify the incorrect term and replace it
with the correct term:
(A) Seminiferous tubule → Sperm → Sperm duct → Accessory glands →
Semen → Ureter
(B) Seminiferous tubule, penis, urethra, epididymis, vas deferens. (course
of passage of sperm in man)
(C) Graafian follicle, ostium, ovum, uterus, fallopian tube.
 ⦕ Reproductive System :
Midnight prediction ⦖
3. Give the exact location of
(A) Amnion.
(B) Epididymis.

4. Give biological/ technical term for

(A) the structure which connects the placenta with the foetus.
(B) The onset of menstruation in a young girl.
(C) The accessory gland in human males whose secretion activates the sperms.
(D) The canal through which testes descend into the scrotum just before the birth of a
male baby.
(E) The permanent stoppage of menstruation at about the age of 45 years in a female.
(F) The phase in the menstrual cycle in which the remnant of follicle in the ovary turns to
corpus luteum
(G) Cells of the testes that produce male hormones.
 ⦕ Reproductive System :
Midnight prediction ⦖
5. Copy and complete the following by filling in the blanks 1 to 5 with appropriate
words:

The human female gonads are ovaries. A maturing egg in the ovary is present in a
sac of cells called --------------------- (i). As the egg grows larger, the follicle
enlarges and gets filled with a fluid and is now called the ---------------------
(ii) follicle. The process of releasing the egg from the ovary is called -----------
---------- (iii). The ovum is picked up by the oviduct funnel and fertilization takes
place in the ------------------- (iv) In about a week the blastocyst gets fixed in
the endometrium of the uterus and this process is called ------------------- (v).
 ⦕ Reproductive System :
Midnight prediction ⦖
6. Differentiate between :
(A) Callosum and corpus luteum. (function).
(B) Prostate gland and Cowper’s Gland
(C) Testosterone and Oestrogen (organ which secretes)

7. Given below is the set with four terms in which one term is an odd one and
cannot be grouped in the same category to which the other three belongs. Identify
the odd one in the set and name the category to which the remaining three
belongs:
Ovary, ureter, Fallopian tube and uterus.
 ⦕ Reproductive System :
Midnight prediction ⦖
8. Give the technical/ biological term for –
(A) The mucous membrane lining of the uterus.
(B) Fixing of developing zygote on the uterine wall.
(C) The kind of twins formed from two fertilized eggs.
(D) The fluid which surrounds the foetus.

9. Explain the term

(A) Parturition.
(B) Gestation

10. Mention two functions of amniotic fluid.

 ⦕ Reproductive System :
Midnight prediction ⦖
11. Given below is the diagram of male reproductive system and its associated
parts in the human body. Study the diagram and answer the questions that follow:

(i) Name the parts labelled 3 to 5.

(ii) State the function of the part marked 2 and 3.
(iii)What is the significance of the part labelled 5.
(iv)Mention the hormone secreted by the part labelled 1.
(v) Draw a neat labelled diagram of a human sperm.