Solution
Solution
7102CMD3031MIN24007 MD
PHYSICS
SECTION-A
1) Shown in the figure is a circular loop of radius r and resistance R. A variable magnetic field of
induction B = B0e–t is established inside the coil. If the key (K) is closed, the electrical power
developed right after closing the switch is equal to
(1)
(2)
(3)
(4)
2) A loss free transformer has 500 turns on its primary winding and 2500 in secondary. The meters
of the secondary indicate 200 volts at 8 amperes under these conditions. The voltage and current in
the primary is :-
(1) 100 V, 16 A
(2) 40 V, 40 A
(3) 160 V, 10 A
(4) 80 V, 20 A
3) A conducting wire frame is placed in a magnetic field which is directed into the paper. The
magnetic field is increasing at a constant rate. The directions of induced currnet in wires AB and CD
are :
(1) B to A and D to C
(2) A to B and C to D
(3) A to B and D to C
(4) B to A and C to D
4) A conducting rod AC of length 4l is rotated about a point O in a uniform magnetic field directed
into the paper. AO = l and OC = 3l. Then :
(1)
(2)
(3)
(4)
5) The current flows in a circuit as shown below. If a second circuit is brought near the first circuit
(1) Clockwise
(2) Anticlockwise
(3) Depending on the value of RG
(4) None of the above
6) Two identical coaxial circular loops carry a current i each circulating in the same direction. If the
loops approach each other
7) In the circuit shown in figure what is the value of I1 just after pressing the key K ?
(1)
A
(2)
A
(3) 1A
(4) None of the above
8) In an A.C. sub-circuit as shown in figure, the resistance R = 0.2 Ω. At a certain instant VA– VB =
0.5 V, I = 0.5 A, and current is increasing at the rate of = 8 A/s. The inductance of the coil is
(1) 0.01 H
(2) 0.02 H
(3) 0.05 H
(4) 0.5 H
9) Two solenoids have identical geometrical construction and same number of truns but one is made
of thick wire and other of thin wire. Which of the following quantities are different for two
solenoids:-
(a) Self inductance.
(b) Rate of joule heating if the same current goes through them.
(c) Magnetic potential energy if the same current goes through them .
(d) Time constant.
(1) b, d
(2) a, c
(3) b, c
(4) All above
10) A semicircular conducting ring is placed in yz plane in a uniform magnetic field directed along
positive z-direction. An induced emf will be developed in the ring if it is moved along:
11) A coil has an area of 0.05 m2 and it has 800 turns. It is placed perpendicularly in a magnetic field
of strength 4 × 10–5 Wb/m2, it is rotated through 90° in 0.1 second. The average emf induced in the
coil is :
(1) 0.056 V
(2) 0.046 V
(3) 0.026 V
(4) 0.016 V
12) Flux ϕ (in weber) in a closed circuit of resistance 10 ohm varies with time t (in sec) according to
the equation . What is the magnitude of the induced current at t = 0.25 s ?
(1) 1.2 A
(2) 1.8 A
(3) 0.6 S
(4) 0.2 A
13) A magnet is dropped down an infinitely long vertical copper tube. Then :-
(1) The magnet moves with continuously decreasing velocity and ultimately comes to rest.
The magnet moves with continuously increasing velocity and ultimately aquires a terminal
(2)
velocity.
(3) Magnet moves with continuously increasing velocity and acceleration.
(4) Magnet moves with continuously increasing velocity but with constant acceleration.
14) In figure (a) and figure (b) two air–cored solenoids P and Q have been shown. They are placed
near each other. In figure (a), when IP, the current in P, changes at the rate of 5 As–1, an emf of 2 mV
is induced in Q. The current in P is then switched off, and a current changing at 2 A s–1 is fed through
(1) 8 × 10–4 V
(2) 2 × 10–8 V
(3) 5 × 10–3 V
(4) 8 × 10–2 V
15) A charge particle moves along the line AB, which lies in the same plane of a circular loop of
16) Consider a conducting circular loop placed in a magnetic field as shown in figure. When
magnetic field changes with time, magnetic flux also changes and emf is induced.
If resistance of loop is R then induced current is . For current, charges
must have non–zero average velocity. Magnetic force cannot make the stationary charges to move.
Actually there is an induced electric field in the conductor caused by changing magnetic flux, which
makes the charges to move, . This induced electric field is non conservative by
nature.
A cylindrical space of radius R is filled with a uniform magnetic induction B parallel to the axis of
the cylinder. If = constant, the graph, showing the variation of induced electric field with
(1)
(2)
(3)
(4)
17) A conducting square loop of side L and resistance R moves in its plane with a uniform velocity v
perpendicular to one of its sides. A magnetic induction B constant in time and space, pointing
perpendicular and into the plane at the loop exists everywhere with half the loop outside the field, as
(1) zero
(2) RvB
(3)
(4) vBL
18)
In the branch AB of a circuit, as shown in the figure, a current I = (t + 2) A is flowing, where t is the
time in second. At t = 0, the value of (VA–VB) will be :-
(1) 1V
(2) –1V
(3) 3V
(4) –3V
19) The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma rays is :
20) The charging current for a capacitor is 0.2 A, Find displacement current.
(1) 0.2A
(2) 0.4A
(3) 0.3A
(4) A
22) An electromagnetic wave is propagating along x-axis. At x = 1m and t = 10 sec its electric
(1) 2 × 10–8 T
(2) 3 × 10–7 T
(3) 6 × 10–8 T
(4) 5 × 10–7 T
24) If and are the electric and magnetic field vectors of electromagnetic waves then the
direction of propagation of electromagnetic wave is along the direction of –
(1)
(2)
(3) ×
25) In an electromagnetic wave the energy density associated with magnetic field will be
(1)
(2)
(3)
(4)
26) An inductor and a capacitor are joined in series to an AC source. The frequency of the AC is
gradually increased. The phase difference φ between the emf and the current is plotted against the
angular frequency ω. Which of the following best represents the resulting curve ?
(1)
(2)
(3)
(4)
28) In the circuit shown in figure, the a.c. source gives a voltage V = 20 cos(2000 t). The reading of
29) The power factor of the circuit shown in the figure is:
(1) 0.4
(2) 0.2
(3) 0.8
(4) 0.6
30) A coil of resistance 300 ohm and self inductance 1.5 henry is connected to an A.C. source of
frequency 100/π hertz. The phase difference between voltage and current is
(1) 0°
(2) 30°
(3) 45°
(4) 60°
31) In the circuit shown below, what will be the readings of the voltmeter and ammeter ?
(1) 800 V, 2A
(2) 300 V, 2A
(3) 220 V, 2.2 A
(4) 100 V, 2A
(1)
(2)
(3)
(4)
(1) 10V
(2) 7V
(3) 6.37V
(4) 0
34) The average power dissipated in a pure inductor of inductance L when an AC current i passes
through it is :-
(1)
Li2
(2)
Li2
(3) 2Li2
(4) Zero
35) In an LCR circuit R = 100Ω. When C is removed, current lags voltage by π/3 and when L is
removed current leads voltage by π/3. Then impedance is :-
(1) 50Ω
(2) 100Ω
(3) 20Ω
(4) 400Ω
SECTION-B
1) In the circuit shown, rms current is 11 A. Then voltage across the inductor is :-
(1) 220 V
(2) 0 V
(3) 300 V
(4) 200 V
(1) 200Ω
(2) 100Ω
(3) 300Ω
(4) 500Ω
3) In the given circuit, let i1 be the current drawn from battery at time t = 0 and i2 be steady current
at t = ∞ then the ratio is :
(1) 1.0
(2) 0.8
(3) 1.2
(4) 1.5
4) Correct variation of resistance in an A.C. resistive circuit as a function of applied a.c. frequency is
best represented by the graph :
(1)
(2)
(3)
(4)
5) When an AC source of emf E with frequency ω = 100 Hz is connected across a circuit, the phase
difference between E and current I in the circuit is observed to be π/4 as shown in the figure. If the
(1) R = 1 kΩ, C = 5 μF
(2) R = 1 kΩ, L = 10 H
(3) R = 1 kΩ, L = 1 H
(4) R = 1 kΩ, C = 10 μF
6) Current flowing through resistor R varies as i = kt, where k is constant. Find average value of
current for first 2 seconds.
(1) k/2
(2) k
(3) 4k
(4) 2k
7) In the LCR-circuit shown below, if readings of the voltmeters V1 and V2 are the same, then
(1)
(1) 60°
(2) 90°
(3) 30°
(4) 45°
9) If Z1 and Z2 are the impedances of the given circuits (a) and (b) as shown in figures, then choose
(1) Z1 < Z2
(2) Z1 + Z2 = 20 Ω
(3) Z1 = Z2
(4) Z1 > Z2
(1) Maximum
(2) Minimum
(3) Zero
(4) Infinity
12) The equation of alternative current if the frequency is 75Hz and rms value is 20 Amp.–
13) Instantaneous value of current in circuit is I = 2 cos (ωt + ϕ) Amp. find the ms value of current
in amp.
(1) 2
(2) √2
(3) 2√2
(4) zero
14) An alternating voltage V=30 sin 50t + 40cos 50t is applied to a resistor of resistance 10Ω. The
rms value of current through resistor is
(1)
(2)
(3)
(4) 7A
15) In a AC circuit if L = 0.5H and C = 8μF than for maximum current the value of angular
frequency
CHEMISTRY
SECTION-A
1)
(1)
(2)
(3)
(4)
(2)
(3)
(4)
(1)
(2)
(3)
(4)
(1) >
(Melting point)
(2) <
(Dipole moment)
(3)
>
(Boiling point)
(4)
(Water solubility)
7)
(1)
(2)
(3)
(4)
8)
Which of the following order is correct for the stability of four contributing structure :
9)
(1)
(2)
(3)
(4)
(1)
(2)
(3)
(4) All
11)
A and B are respectively :-
(1)
(2)
(3)
(4)
(3)
(4)
17) Which of the following is most reactive halide for the SN1 reaction:-
(1) C6H5–CH2–Br
(2) C6H5CH(C6H5)Br
(3) C6H5CH(CH3)Br
(4) C6H5C(CH3)(C6H5)Br
Electrophile is a negatively charged speices and can form a bond by accepting a pair of
(1)
electrons from another electrophile
Electrophiles are generally neutral species and can form a bond by accepting a pair of electrons
(2)
from a nucleophile
Electrophile can be either neutral or positively charged species and can form a bond by
(3)
accepting a pair of electrons from a nucleophile
Electrophile is a negatively charged species and can form a bond by accepting a pair of
(4)
electrons from a nucleophile
20) In which of the following compounds hydroxylic proton is the most acidic ?
(1)
(2)
(3)
(4)
a b c
23) In which of the following compounds electrophile will attack at meta position ?
(1) II, III
(2) II, III, IV, V
(3) II, III, IV
(4) II, IV
(I) (II)
(III) (IV)
(1)
(2)
(3)
(4)
(2)
(3)
(I)
(II)
(III)
(IV)
(1)
(2)
(3)
(4)
(1)
(2)
(3)
(4)
(1) 1
(2) 2
(3) 3
(4) 4
(1)
(2)
(3) CH3 — Mg — Br
(4) CH3 — CH3
SECTION-B
3) Given below are two statements, one is labelled as Assertion A and the other is labelled as
Reason R.
Assertion A : Benzene is more stable than hypothetical cyclohexatriene.
Reason R : The delocalized π electron cloud is attracted more strongly by nuclei of carbon atoms.
In the light of the above statements, choose the correct answer from the options given below:
5) Arrange the following compound in their order of reactivity toward SN2 reaction :-
CH3–F CH3–Cl CH3–Br CH3–I
I II III IV
(1)
(2)
(3)
(1)
(2)
(3)
(4)
(1) a – q, b – r, c – s, d – p
(2) a – s, b – q, c – p, d – r
(3) a – r, b – s, c – q, d – p
(4) a – s, b – r, c – q, d – p
11) Given below are two statements; one is labelled as Assertion (A) and the other is labelled as
Reason(R).
Assertion : Alkyl chlorides are best prepared from alcohols by reaction of SOCl2.
Reason : The other two products are easily escapable. So reaction gives pure Alkyl chlorides.
In the light of the above statements, choose the most appropriate answer from the options given
below :
(1) Both (A) and (R) are correct and (R) is the correct explanation of (A).
(2) Both (A) and (R) are correct but (R) is not the correct explanation of (A).
(3) (A) is correct but (R) is not correct.
(4) (A) is not correct but (R) is correct.
12) When alkyl magnesium halide reacts with R'-NH2, the product is
(1) R–R
(2) R–H
(3) R2NH
(4) R–X
(1)
(2)
(3) (CH3)3C—Cl
(4)
14)
What is correct about product ?
BOTANY
SECTION-A
1) In sigmoid growth curve, the exponential phase slows down leading to a stationary phase due to :-
(1) Toxic effect of some plant hormones
(2) Genetic nature
(3) Limited nutrient supply
(4) Absence of differentiation.
(1) Kinetin
(2) IAA
(3) NAA
(4) 2, 4 – D
3) A plant tissue is under going senescence, which PGR mainly would be found in it ?
(1) Auxins
(2) Gibberellins
(3) Cytokinin
(4) ABA
4) Which hormone is used to initiate flowering and synchronising fruit set in Pineapple ?
(1) Ethylene
(2) GA
(3) Auxin
(4) ABA
(1) Ethylene
(2) GA
(3) ABA
(4) Auxin
6) Ethephon hastens :-
8)
(1) GA
(2) NAA
(3) Ethylene
(4) ABA
11)
Choose the correct option for given figure :-
A - Arithmetic growth
(1)
B - Geometric growth
A - Geometric growth
(2)
B - Arithmetic growth
A - Arithmetic growth
(3)
B - Arithmetic growth
A - Geometric growth
(4)
B - Geometric growth
13) Match the column-I, II & III and choose the option showing correct match :-
Column-II
Column-I Column-III
Chemical
PGR Physiological effect
Nature
Indole
(II) ABA (b) (ii) Initiate rooting in stem cutting
Compounds
Carotenoid
(III) Auxin (c) (iii) Induce seed dormancy
derivatives
Gibberell Adenine
(IV) (d) (iv) Delay leaf senescence
in derivatives
Options :-
(1) I-a-i, II -b-ii, III-c-iii, IV-d-iv
(2) I-d-i, II -c-ii, III-b-iii, IV-a-iv
(3) I-a-iv, II-b-iii, III-c-ii, IV-d-i
(4) I-d-iv, II-c-iii, III-b-ii, IV-a-i
14)
15) Gibberellins are promotery P.G.R. There are more than 100 gibberellins reported from widely
different organisms such as fungi and higher plants. They are denoted as GA1, GA2, GA3,...... GA100.
Which Giberellic acid is most intensively studied ?
(1) GA1
(2) GA2
(3) GA3
(4) GA4
Column-A Column-B
(1) ABA
(2) Auxin
(3) Gibberellin
(4) Ethylene
19) Plant hormone promoting abscission in senescent parts but preventing this in premature organs
of plant is
(1) Not associated with apical dominance
(2) Not associated with xylem differentiation and cell division
(3) Derivative of indole compounds
(4) Synthesised naturally in shoot apex only
20) Statement-I : Cells of maize root apical meristem may give rise to 17,500 cells per minute.
Statement-II : Increase in fresh weight or dry weight can be considered as growth
(1) Every plant organism has an optimum temperature range best suited for its growth
(2) Environmental signals such as light and gravity also affect certain stages of growth
(3) Turgidity of cells helps in retrogression growth
(4) Oxygen helps in releasing metabolic energy essential for growth activities in plant
22) Statement - I :- ABA promotes female in cucumers there by increasing the yield.
Statement - II :- Auxin is used to initiate flowering and for synchronising fruit - set in pineapples.
Options :-
23) Which of the following statement is incorrect with respect to hormone which shows bolting
effect in many plants with rossette habit ?
24) Which of the following can be placed at C in the below flow chart?
(1) Maturation
(2) Differentiation
(3) Senescence
(4) Abscission
rt
(1) Arithmetic growth rate, W1 = W0e
(2) Geometric growth rate, Lt = L0 + rt
(3) Arithmetic growth rate, Lt = L0 + rt
rt
(4) Geometric growth rate, W1 = W0e
28)
The above figure shows certain features in pea seedlings growth representing decrease in vertical
growth, increase in horizontal growth and increase in girth. The factor responsible for such effect
must be :-
(1) Light
(2) CO2
(3) Auxin
(4) Ethylene
They delay senescence, thus, due to their application the fruits can be left on the tree so as to
(1)
extend the market period.
(2) GA3 is used to speed up the malting process in brewing industry.
Spraying sugarcane crop with GA increases the length of stem, thus increasing the yield by as
(3)
much as 20 tonnes per acre.
Spraying juvinile conifers with GA slows down the maturity period thus leading to delayed seed
(4)
production.
30) They help to prevent fruit and leaf drop of early stages but promote the abscission of older
mature leaves and fruits.
Above statement is related with :-
(1) Auxin
(2) Gibberellin
(3) Cytokinin
(4) Abscisic acid
33) Which statement is incorrect with respect to the growth from the following ?
34) (i) The cell walls are primary in nature, thin and cellulosic with abundant plasmodesmatal
connections. Large conspicuous nuclei.
(ii) Protoplasmic modifications
(iii) Increased vacuolation, cell enlargement and new cell wall deposition
Above characteristics represent respectively which phase of growth in plants ?
Choose the correct option from the following-
(1) (i) Meristematic phase (ii) Elongation phase (iii) Maturation phase
(2) (i) Maturation phase (ii) Meristematic phase (iii) Elongation phase
(3) (i) Meristematic phase (ii) Maturation phase (iii) Elongation phase
(4) (i) Elongation phase (ii) Maturation phase (iii) Meristematic phase
35) A biennial plant can be changed into annual plant by which of the following treatment ?
SECTION-B
1)
Which one of following is not correct with respect to above diagram :-
2) (I) "Y" hormone induced flowering in mango and also promotes rapid internode/petiole elongation
in deep water rice plants and hence helping leaves or upper part of shoot above water.
(II) "X" hormone promotes root growth and root hair formation.
(III) "Z" hormone inhibits the seed germination, increases the tolerance of plant to various stresses,
play important role in seed development, maturation and dormancy.
Identify the correct names of the hormones :-
Hormones Bio-asay
(1) Auxin Avena curvature test
(2) Gibberellin Dwarf maize test
(3) Cytokinin Chlorophyll preservation test
(4) Ethylene Delay in senscence
(1) 1
(2) 2
(3) 3
(4) 4
(1) B,C,D
(2) B,C
(3) A,B,C
(4) B,D
(1) Experiment used to demonstrate that tip of the coleoptile is the source of Gibbrellin.
(2) Experiment used to demonstrate that movement of Auxin is Acropetal.
(3) Experiment used to demonstrate that tip of the coleoptile is the source at Auxin.
(4) Arrow indicates direction of Air.
6) Cells/tissues arising out of the same meristem have different structures at maturity, this
phenomenon in plants is called :-
9) In which of the following, rate of growth gradually slows down and comes to steady stage ?
(1) Linear
(2) Stair-steps shaped
(3) Parabolic
(4) Sigmoid
(1) Buttercup
(2) Larkspur
(3) Hydrilla
(4) Castor
(1) Mg++
(2) Fe++
(3) Zn++
(4) Mn++
(1) Zeatin
(2) Ethylene
(3) ABA
(4) IAA
ZOOLOGY
SECTION-A
2) After the implantation of embryo. The uterine endometrium is called the _____ since it degenerates
after parturition.
(1) Decidua
(2) Decidual plate
(3) Uterine lumen
(4) Chorion Frondosum
3)
4) Assertion : Although rete testis and vas efferens are male sex accessory ducts yet they are not
considered to be secondary reproductive organs in male.
Reason : They are responsible for maturation and static nature of sperm.
(1) GIFT
(2) ICSI
(3) IUI
(4) AI
Column-I Column-II
Copper
(A) (i) Inhibit ovulation
releasing IUDs
Suppress sperms
(B) Oral pills (ii)
motility
List-I List-II
Hormone
(a) Lippes loop (i)
releasing IUDs
Cu-releasing
(c) LNG-20 (iii)
IUDs
(1) Syphilis
(2) Gonorrhoea
(3) Trichomoniasis
(4) Genital herpes
(1) Head
(2) Middle piece
(3) Tail
(4) Both (2) & (3)
11)
(1) One
(2) Four
(3) Two
(4) Three
12) Refer to the given figure showing diagrammatic sectional view of a seminiferous tubule. In the
figure, some parts are labelled as A, B, C and D. Identify the part which gets activated by FSH.
(1) A
(2) B
(3) D
(4) C
13)
Refer to the given flowchart, in which three parts are labelled as A, B and C. Identify them and the
correct option from the codes given below.
A B C
15) Semen is a type of .....(a)..... germinal fluid that contains seminal plasma. It is maximally
contributed by .....(b)..... and has several clotting enzyme as product of .....(c)......
17) Given below are four statements (a-d) regarding assisted reproductive technologies:-
(a) ZIFT - The zygote or early embryo (with upto 8 blastomere) transferred into the fallopian tube
(b) ICSI - A sperm is directly injected into the fallopian tube to form an embryo in the laboratory
(c) IUI - The semen collected either from the husband or healthy donor is artificially introduced into
the uterus
(d) GIFT - Transfer of zygote collected from a donor into the fallopian tube of another female who
cannot produce one, but can provide suitable environment for fertilisation and development
Which two of the above statements are correct?
(1) a and d
(2) b & c
(3) a & c
(4) b & d
20) Why in ART procedures sometimes involve the use of donor eggs or donor sperms ?
21) Which of the following should not be detected in a developing foetus by amniocentesis ?
22) If a female is already having 3 children and all are absolutely normal. Now she wants to use
sterilisation method. Which of the following method will be most suitable for this female?
23)
Fertilisation ART
ZIFT
a In vitro IUT
1 ICSI
GIFT
b In vivo
AI
ZIFT
a In vivo IUT
2 ICSI
GIFT
b In vitro
AI
GIFT
a In vitro IUT
3 ICS
IUT
b In vivo
AI
ZIFT
a In vivo IUT
4 ICSI
IUT
b In vitro
Al
(1) 1
(2) 2
(3) 3
(4) 4
26)
Read the following statements and find out the incorrect statement :-
a. Mons pubis is a cushion of fatty tissue covered by skin and pubic hair.
b. The labia minora are fleshy folds of tissue, which extend down from the mons pubis and surround
the vaginal opening.
c. The opening of the vagina is often covered partially by a membrane called hymen.
d. The clitoris lies at the upper junction of two labia majora above the urethral opening.
27) If a menstrual cycle is of 32 days, then which will be the day of ovulation ?
29) The urethra originates from the .....a..... and extends through the ...b... to its external opening
called ...c....
30) Arrange following events of female reproductive cycle (in human) sequence :-
(I) Secretion of FSH
(II) Growth of corpus luteum
(III) Growth of follicles
(IV) Ovulation
(V) Sudden increase in level of LH.
(VI) Formation of corpus albicans
(1) III → I → IV → II → VI → V
(2) I → III → V → IV → II → VI
(3) I → IV → III → V → II → VI
(4) II → I → III → IV → VI → V
31) A female of 24 years age attained puberty at the age of 14 years. She has two children born by
normal delivery. How many polar bodies are formed in her body till date (each M.C. is of 30 days) :-
(1) 90
(2) 96
(3) 92
(4) 88
(1) Progesterone
(2) Estrogen
(3) FSH
(4) LH
34)
Citric acid, Phosphate, Inositol, Citrate, Fibrinogen, Profibrinolysin, Clotting enzymes, Ca++
(1) Six
(2) Four
(3) Two
(4) Three
35) Assertion : Our population reached around 1 billion by 2000 and crossed 1.2 billion in May
2011.
Reason : There has been a rapid decline in death rate, MMR and IMR as well as increase in number
of people in reproducible age.
(1) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(2) Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
(3) Assertion is true but Reason is false.
(4) Both Assertion and Reason are false.
SECTION-B
(1) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
(2) Assertion is true but Reason is false.
(3) Assertion is false but Reason is true.
(4) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
2) Assertion :- The spermatids are transformed into spermatozoa by the process called
spermiogenesis.
Reason :- FSH acts on the sertoli cells and stimulates some factors, which helps in the
spermiogenesis.
(1) Both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.
(2) Both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.
(3) Assertion is True but the Reason is False.
(4) Both Assertion & Reason are False.
3) Assertion :- Periodic abstinence and coitus interruptus are two natural method of contraception.
Reason :- In natural method of contraceptions are principly worked on avoiding chances of ovum
and sperm meeting.
(1) Both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.
(2) Both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.
(3) Assertion is True but the Reason is False.
(4) Both Assertion & Reason are False.
(1) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
(2) Assertion is true but Reason is false.
(3) Assertion is false but Reason is true.
(4) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(1) Assertion & Reason both are correct and Reason is correct explaination of assertion.
(2) Assertion & Reason both are correct and Reason is not correct explaination of assertion.
(3) Assertion is false & reason is correct
(4) Assertion & reasons both are incorrect.
6) The mitotic division starts as the Zygote moves through the ___x____ of the oviduct is called
____y____ towards the uterus.
7) (i) Testes, seminal vesicle, cervix, prostate gland are part of male reproductive system
(ii) Seminal plasma is rich in sucrose, calcium & certain enzymes.
(iii) The blastomeres in the blastocyst are arranged into an outer layer called trophoblast
(iv) The increased levels of GnRH act at the anterior pituitary gland & stimulate secretion of LH &
FSH Which of the statement is / are correct
8) Select the correct arrangement of female reproductive system from anterior to posterior
(1) Alveoli → Mammary tubule → Mammary duct → mammary ampulla → Lactiferous duct → Nipple
(2) Alveoli → Mammary tubule → Lactiferous duct → Mammary ampulla → Mammary duct → Nipple
(3) Nipple → Lactiferous ducts → Mammary ampulla → Mammary duct → Mammary tubule → Alveoli
(4) Nipple → Mammary duct → Mammary ampulla → Lactiferous ducts → Mammary tubule → Alveoli
10) Mons pubis, ovary, uterus, Hymen, Vagina, Clitoris, Cervix, Labia majora, labia minora. Which
are not the external genitalia in female reproductive system.
(1) Mons pubis, Hymen, Vagina, Clitoris, Labia Majora, Labia minora
(2) Ovary, Uterus, Vagina, Cervix
(3) Ovary, Uterus, Cervix
(4) Uterus, Vagina, Ovary, Clitoris, Hymen
13) The ovaries are located one on each side of the …A…… . Each ovary is about 2 – 4 cm in length
connected to the ...B…. wall by …C… . Each ovary is covered by a thin epithelium, which encloses
the ovarian stroma. Stroma is divided into two zones ….D…. and …E….
Fill the suitable choices for A – E
(1) A–inner medulla, B–peripheral cortex, C–ligaments, D–pelvic wall, E–lower abdomen
(2) A–lower abdomen B–Pelvic, C–Ligaments, D–peripheral cortex, E–inner medulla
(3) A–pelvic wall, B–lower abdomen, C–ligaments, D–inner medulla, E–peripheral cortex
(4) A–inner medulla, B–peripheral cortex, C–lower abdomen, D–pelvic wall, E–ligaments
(1) A, B & C
(2) A & B only
(3) A only
(4) B only
ANSWER KEYS
PHYSICS
SECTION-A
Q. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
A. 4 2 1 3 2 1 1 3 1 1 4 4 2 1 2 2 4 1 1 1
Q. 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35
A. 4 1 1 3 2 1 3 2 4 3 3 4 1 4 2
SECTION-B
Q. 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
A. 4 4 2 3 4 2 4 4 1 1 2 2 2 1 1
CHEMISTRY
SECTION-A
Q. 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70
A. 1 2 3 2 4 4 3 4 4 2 4 4 4 2 1 3 4 3 3 4
Q. 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85
A. 3 2 4 3 3 3 3 1 4 3 3 1 1 1 3
SECTION-B
Q. 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
A. 1 1 3 3 2 2 4 1 3 4 1 2 2 3 3
BOTANY
SECTION-A
Q. 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120
A. 3 2 4 1 2 1 1 3 1 1 3 2 4 1 3 1 2 3 3 3
Q. 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135
A. 3 2 4 3 3 3 3 4 4 1 4 2 4 3 4
SECTION-B
Q. 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150
A. 3 4 4 3 3 2 4 2 4 4 1 2 3 3 2
ZOOLOGY
SECTION-A
Q. 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170
A. 2 1 4 3 2 3 2 1 3 4 4 3 1 2 3 2 3 1 3 4
Q. 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185
A. 1 3 1 1 2 1 3 3 4 2 3 2 2 4 1
SECTION-B
Q. 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200
A. 4 1 1 4 3 3 2 4 1 2 4 4 2 2 1
SOLUTIONS
PHYSICS
2) ⇒ Vp =
9)
11) e = –
=+
12) By using
14)
For (a) e2 = M
M= = = 4 × 10–4 H
For r ≥ R :
17)
where F' = iLB
W = iLB . v . Δt
Since q = i × Δt
∴ W = LBvq
Alternative Method
or
since half of the loop is inside the magnetic field
So,
∴ e = –BvL
20)
21) U =
22) =C
B= = 2 × 10–8 T
23)
⇒ E0K = B0ω
26) tan ϕ = For R =0, φ = ± .
27)
X C = XL
Hence, = 0.8
Now,
So,
ω = 100 Hz ; C = 10 μF
CHEMISTRY
51)
59)
88)
Assertion – A : Benzene is more stable than cyclohexatriene (True)
Reason – R : Delocalised π – e cloud lies B.M.O so more attracted by nuclei of carbon atom.
89)
92)
93)
95)
96)
R–OH + SOCl2 → R–Cl + SO2 + HCl
Both are correct & gives correct explanation.
97)
99)
BOTANY
110)
112)
113) NCERT-XI, Pg. # 247 (2nd Para), 248 (2nd last Para), 249 (2nd Para), 250 (1st Para & 2nd last
Para) (E)
NCERT-XI, Pg.# 247 (दस ू रा पे राग ाफ), 248 (आिखरी पे राग ाफ), 249 (तीसरा पे राग ाफ), 250 (पहला पे राग ाफ),
251 ( पहला पे राग ाफ) (H)
114)
115)
119)
NCERT-XI, Pg # 248
134) NCERT (XIth) Pg. # 241 and 242 (Topic = Phases of growth)
ZOOLOGY
170)
185)
NCERT Pg No # 59
186) NCERT Pg # 50
187)
189) NCERT Pg # 45
190)
NCERT Pg. # 61