Q No: 1

For 2nd row transition element, correct configuration is:(1)[Ne]3d1–10, 4s2

(2)[Ar]3d1–104s1–2

(3)[Kr]4d1–105s1–2

(4)[Kr]4d1–10 5s2

Correct Answer: 3

Q No: 2

Thermite is a mixture of :-(1)Cu + Al Powder(2)CaO + Mg powder(3)Cr2O3 + Al Powder(4)Fe + Al2O3 powder

Correct Answer: 3

Q No: 3

T50 (Half-life period) of first-order reaction is 10 minutes. Starting with 10 mol L–1, rate after 20 minute is :

(1)0.0693 mol L–1 min–1

(2)0.0693 × 2.5 mol L–1 min–1

(3)0.0693 × 5 mol L–1 min–1

(4)0.0693 × 10 mol L–1 min–1

Correct Answer: 2

Q No: 4

For a substance enthalpy of fusion is 1.436 Kcal mol–1 and entropy change of fusion is 5.26 cal mol–1K–1. The melting point of the substance is :-

(1)0° C(2)273° C(3)–273° C(4)None of these

Correct Answer: 1

Q No: 5

Consider the following groups :-

(a) (b)

(c) (d) –CF3

Which of these are meta-directing groups in SE in benzene nucleus ?(1)b and d(2)a, b and c(3)a and c(4)a, b, c and d

Correct Answer: 1

Q No: 6

Ionic radii of C–4 and O–2 are respectively 2.60 Å and 1.40 Å then ionic radii of N–3 will be :-(1)2.6 Å(2)1.71 Å(3)1.40 Å(4)0.95 Å

Correct Answer: 2

Q No: 7

Which compound react with mercury :-(1)D2O(2)H2O(3)O3

(4)dil. HCl

Correct Answer: 3

Q No: 8

The standard oxidation potential of zinc and silver in water at 298 K areZn(s) → Zn2+ + 2e–; E = 0.76 VAg(s) → Ag+1 + 2e–; E = –0.80 VWhich of the following reactions actually take place

(1)Zn(s) + 2Ag+(aq) → Zn++(aq) + 2Ag(s)

(2)Zn++(aq) + 2Ag(s) → 2Ag+(aq) + Zn(s)

(3)Zn(s) + Ag(s) → Zn++(aq) + Ag+(aq)(4)Zn++(aq) + Ag+(aq) → Zn(s) + Ag(s)

Correct Answer: 1

Q No: 9

For a reaction :N2(g) + O2(g) → 2NO(g); ∆H = 66 kJThen the heat of formation of NO is :-

(1)66 KJ(2)33 KJ(3)132 KJ(4)16.5 KJ

Correct Answer: 2

Q No: 10

Intermediates of this reaction are except :-(1)R–N=C=O(2)

(3)

(4)both (1) and (3)

Correct Answer: 2

Q No: 11

Sodium in air if kept open form which compound :-(1)Na2CO3

(2)NaOH(3)Na2O(4)NaHCO3

Correct Answer: 3

Q No: 12

Strongest metallic bond is formed by :-(1)Sc (2)Cr (3)Ti (4)V

Correct Answer: 2

Q No: 13

The standard redox potentials for the reactions Mn2+ + 2e– → Mn and Mn3+ + e– → Mn2+ are –1.18 V and 1.51 V respectively. What is the redox potential for the reaction Mn3+ + 3e– → Mn

(1)0.33V(2)1.69V(3)–0.28V(4)–0.85V

Correct Answer: 3

Q No: 14

A pair of amphiprotic species is :-(1)H2O, HCO3

–

(2)NH4+, HCO3

–

(3)OH–, H2O(4)H2PO4

–, H3O+

Correct Answer: 1

Q No: 15

Which of the following substances will produce amide on treatment with NH3 ?(1)CH3COCH3

(2)CH3COOH(3)CH3COCl(4)CH3CHO

Correct Answer: 3

Q No: 16

In KHX2, X is a halogen of which acid :-(1)HF (2)HCl (3)HBr (4)HI

Correct Answer: 1

Q No: 17

Correct magnetic moment order is :-(1)[CoCl4]–2 > [Fe(CN)6]–4 > [MnCl4]–2

(2)[Fe(CN)6]–4 > [CoCl4]–2 > [MnCl4]–2

(3)[MnCl4]–2 > [Fe(CN)6]–4 > [CoCl4]–2

(4)[Fe(CN)6]–4 > [MnCl4]–2 > [CoCl4]–2

Correct Answer: 3

Q No: 18

In which case, van't Hoff factor i remains unchanged? [Assume common complexes of these ions](1)PtCl4 reacts with KCI(2)aq. ZnCl2 reacts with aq. NH3

(3)aq. FeCl3 reacts with aq. K4[Fe(CN)6](4)KMnO4 reduced to MnO2 in alkaline medium (MnO2 a black ppt)

Correct Answer: 2

Q No: 19

1.0 mole of PCl3(g) and 2.0 moles of Cl2(g) were placed in a 3 litre flask and heated to 400K. When equilibrium was established, only 0.70 mole of PCl3(g) remained. What is the value of equilibrium constant for the reaction:PCl3(g) + Cl2(g) PCl5(g) at 400K ?

(1)0.25 (2)1.31 (3)0.76 (4)2.6

Correct Answer: 3

Q No: 20

Which of the following methods will form cyclopentyl ethyl ether ?(1)

(2)

(3)

(4)

Correct Answer: 1

Q No: 21

Electronegativity of A, B & C are respectively 1.0, 2.5 & 3.0 then type of bond between AC & BC will be :-

(1)Ionic, pure covalent(2)Polar covalent, pure covalent(3)Ionic, polar covalent(4)Pure covalent, nonpolar covalent

Correct Answer: 3

Q No: 22

In which C–O bond order is minimum :-(1)[Mn(CO)6]+1

(2)[Fe(CO)5](3)[Cr(CO)6](4)[V(CO)6]–1

Correct Answer: 4

Q No: 23

Density of 1M solution of a non-electrolyte C6H12O6 is 1.18 g/mL. If Kf(H2O) is 1.86° mol–1 kg, solution freezes at :

(1)– 1.58°C(2)– 1.86°C(3)– 3.16°C(4)1.86°C

Correct Answer: 2

Q No: 24

o-Toluic acid on reaction with Br2\Fe gives :-

(1)

(2)

(3)

(4)

Correct Answer: 3

Q No: 25

HBO, oxymercuration-demercuration and acid catalysed hydration will give same product in:-(1)(2)

(3)

(4)

Correct Answer: 3

Q No: 26

Which gives N2 on heating :-(1)NH4NO2

(2)AgNO2

(3)Ba(NO2)2

(4)NaNO2

Correct Answer: 1

Q No: 27

Correct match is :- Column-I Column-IIA [Ag(CN)2]– 1 TetrahedralB [Cu(NH3)]4

+1 2 ActahedralC [PtCl4]–2 3 LinearD [Fe(CN)6]–4 4 Square planer(1)A–3 B–4 C–1 D–2(2)A–3 B–1 C–4 D–2(3)A–3 B–2 C–1 D–4(4)A–3 B–1 C–2 D–4

Correct Answer: 2

Q No: 28

The ratio between root mean square speed of H2 at 50 K and that of O2 at 800 K is :-(1)4 (2)2 (3)1 (4)1/4

Correct Answer: 3

Q No: 29

In order to convert aniline into chlorobenzene the reagent used is :-(1)NaNO2/HCl, CuCl(2)Cl2/CCl4(3)Cl2/AlCl3(4)CuCl2

Correct Answer: 1

Q No: 30

Structure of 2-methyl-2-cyclohexene-1-ol is :-(1)

(2)

(3)

(4)

Correct Answer: 2

Q No: 31

White vitriol is Isomorph to :-(1)K2SO4

(2)Oil of vitriol(3)Green vitriol(4)Blue vitriol

Correct Answer: 3

Q No: 32

When a graph between ℓn K and 1/T is drawn a straight line is obtained. The point at which line cuts y-axis and x-axis respectively correspond to the temp :-

(1)0, Ea/2.303 R log A(2)∞, Ea/(R In A)(3)0, log A(4)None of these

Correct Answer: 2

Q No: 33

Body centred cubic and face centred cubic unit cells have n1 and n2 effective number of atoms. Which one of the following [n1, n2] combination is correct :-

(1)(4, 1)(2)(4, 2)(3)(1, 4)

(4)(2, 4)

Correct Answer: 4

Q No: 34

Paracetamol is an :-(1)analgesic(2)antimalarial(3)antipyretic(4)both (1) and (3)

Correct Answer: 4

Q No: 35

Number of optically active isomers of tartaric acid is:-(1)2 (2)3 (3)4 (4)5

Correct Answer: 1

Q No: 36

Among following which have same number of pair of electron :-(I) XeO3 (II) XeOF4 (III) XeF6

(1)I, II(2)I, III(3)II, III(4)I, II, III

Correct Answer: 2

Q No: 37

When same quantity of electricity is passed for half an hour, the amount of Cu and Cr deposited are respectively 0.375g and 0.30g. Ratio of electro chemical equivalent of Cu and Cr is

(1)0.8 (2)1.25 (3)2.5 (4)1.62

Correct Answer: 2

Q No: 38

The uncertainity in the position of a moving bullet of mass 10 gm is 10–5 m. Calculate the uncertainity in its velocity :-

(1)5.2 × 10–28 m/sec(2)3 × 10–28 m/sec(3)5.2 × 10–22 m/sec(4)3 × 10–22 m/sec

Correct Answer: 1

Q No: 39

The sugar present in milk is :-(1)glucose(2)lactose(3)maltose(4)sucrose

Correct Answer: 2

Q No: 40

Which of the following in an example of electrophilic addition ?(1)CH3CH = CH3 + H2 CH3CH2CH3

(2)CH3CH = CH2 + HBr CH3CH2CH2Br(3)CH3CH = CH2 + HBr → CH3CHBrCH3

(4)CH3CHO + HCN → CH3CH

Correct Answer: 3

Q No: 41

In P4 % of p-character in orbitals is :-(1)25% (2)33% (3)50% (4)75%

Correct Answer: 4

Q No: 42

The standard electrode potentials of Zn2+/Zn and Ag+/Ag are –0.763V and +0.799V respectively. The standard potential of the cell is

(1)1.56 V(2)0.036 V

(3)–1.562 V(4)0.799 V

Correct Answer: 1

Q No: 43

Magnetic quantum number specifies :-(1)Shape of orbitals(2)Size of orbitals(3)Orientation of orbitals(4)Nuclear stability

Correct Answer: 3

Q No: 44

In the reaction,

(after hydrolysis); The product A is:(1)

(2)

(3)

(4)

Correct Answer: 2

Q No: 45

Which is true about C–O bond lengths ?(1)x = y

(2)x > y(3)x < y(4)is not predictable

Correct Answer: 3

Q No: 46

A particle is situated at the origin of a coordinate system. The following forces begin to act on the particle simultaneously 1 = 5î – 5ĵ + 5 , 2 = 2î + 8ĵ + 6 , 3 = –6î + 4ĵ – 7 , 4 = –î – 3ĵ – 2 . Then the particle will move :

(1)in X–Y plane(2)in Y–Z plane(3)in Z–X plane(4)along X–axis

Correct Answer: 2

Q No: 47

A block of mass 10 kg placed on rough horizontal surface having coefficient of friction μ = 0.5, if a horizontal force of 100 N acting on it then acceleration of the block will be :-

(1)10 m/s2

(2)5 m/s2

(3)15 m/s2

(4)0.5 m/s2

Correct Answer: 2

Q No: 48

A metallic shell has a point charge 'q' kept inside its cavity. Which one of the following diagrams correctly represents the electric lines of forces

(1)

(2)

(3)

(4)

Correct Answer: 3

Q No: 49

The convex lens of focal length 50 cm is kept in contact of concave lens of focal length 75cm. The combination behaves as:

(1)Convex lens of focal length 1.50 metre(2)Concave lens of focal length 1.53 metre(3)Convex lens of focal length 0.30 metre(4)Concave lens of focal length 3.0 metre

Correct Answer: 1

Q No: 50

No heat exchange between the gas and the surrounding will take place, if the gas is taken along curve :

(1)A (2)B (3)C (4)D

Correct Answer: 1

Q No: 51

For the following system calculate T1 & T2 -

(1)10 N, 30 N(2)10 N, 20 N(3)20 N, 30 N(4)10 N, 40 N

Correct Answer: 1

Q No: 52

When a stick is released (as shown in fig.) Its free end velocity when it strikes the ground is :-

(1)4.2 m/s(2)1.4 m/s(3)2.8 m/s(4) m/s

Correct Answer: 1

Q No: 53

Two particles A and B of masses mA and mB respectively and having the same charge are moving in a plane. A uniform magnetic field exists perpendicular to this plane. The speeds of the particles are υA and υB respectively and the trajectories are as shown in the figure. Then

(1)mA < υA < mB υB

(2)mA υA > mB υB

(3)mA < mB and υA < υB

(4)mA = mB and υA = υB

Correct Answer: 2

Q No: 54

How many erect images of himself does on observer see if two adjacent walls and the ceiling of a rectangular room are mirrored surfaced :–

(1)3 (2)4 (3)5 (4)7

Correct Answer: 1

Q No: 55

A point mass oscillates along the x-axis according to the law x = x0 cos(ωt – π/4) If the acceleration of the particle is written as- a = A cos (ωt + δ), then-

(1)A = x0, δ = – π/4(2)A = x0ω2, δ = π/4(3)A = x0ω2, δ = – π/4(4)A = x0ω2, δ = 3π/4

Correct Answer: 4

Q No: 56

If inputs A and B are inverted before entering into NAND gate as shown in diagram.Truth table by using A, B, , , Y will be -

(1) A B Y0 0 1 1 11 0 0 1 00 1 1 0 01 1 0 0 1

(2) A B Y0 0 1 1 01 0 0 1 10 1 1 0 11 1 0 0 0

(3) A B Y0 0 1 1 01 0 0 1 10 1 1 0 11 1 0 0 1

(4) A B Y0 0 0 1 01 0 0 1 10 1 1 0 11 1 0 0 1

Correct Answer: 3

Q No: 57

Work done in time t on a body of mass m which is accelerated from rest to a speed v in time t1 as a function of time t is given by :

(1)

(2)

(3)

(4)

Correct Answer: 4

Q No: 58

As shown in the figure, a uniform magnetic field B is applied between two identical plates. There is a hole in one plate. If a particle of charge q, mass and energy E enters this magnetic field through this hole, then the particle will not collide with the upper plate provide :-

(1)

(2)

(3)

(4)

Correct Answer: 2

Q No: 59

From a disc of radius R, a concentric circular portion of radius r is cut out so as to leave an annular disc of mass M. The moment of inertia of this annular disc about the axis perpendicular to its plane and passing through its centre of gravity is :-

(1)1/2 M (R2 + r2)(2)1/2 M (R2 – r2)(3)1/2 M (R4 + r4)(4)1/2 M (R4 – r4)

Correct Answer: 1

Q No: 60

A particle at the end of a spring executes simple harmonic motion with a period t1, while the corresponding period for another spring is t2. If the period of oscillation with the two springs in series is T, then-

(1)T = t1 + t2

(2)(3)(4)

Correct Answer: 2

Q No: 61

Three vectors , and are such that = + and their magnitudes are in ratio 5 : 4 : 3 respectively. Then angle between vector and is :-

(1)53° (2)37° (3)30° (4)45°

Correct Answer: 1

Q No: 62

An uncharged metal sphere A of radius R is comes in contact with metal sphere B of radius 2R and charge Q. Then sphere A is comes in contact with third identical uncharged sphere of radius R. What will be final charge on sphere A.

(1)

(2)

(3)

(4)

Correct Answer: 2

Q No: 63

A short magnetic needle is provided in a uniform magnetic field of strength 1T. When another magnetic

field of strength T is applied to the needle in a perpendicular direction, the needle deflects through an angle θ, where θ is :-

(1)45° (2)90° (3)60° (4)30°

Correct Answer: 3

Q No: 64

Two tubes A and B are in series. Radius of A is R and that of B is 2R. If water flows through A with velocity v then velocity of water through B is :-

(1)v/2 (2)v (3)v/4 (4)v/8

Correct Answer: 3

Q No: 65

The transverse displacement y(x, t) of a wave on a string is given by y(x, t) = . This represents a :-

(1)standing wave of frequency (2)

standing wave of frequency (3)

wave moving in +x direction with speed (4)

wave moving in –x direction with speed Correct Answer: 4

Q No: 66

A man of 50 kg mass is standing in a gravity free space at a height of 10 m above the floor. He throws a stone of 0.5 kg mass downwards with a speed 2 m/s. When the stone reaches the floor, the distance of the man above the floor will be :-

(1)20 m(2)9.9 m(3)10.1 m(4)10 m

Correct Answer: 3

Q No: 67

A non conducting ring of radius R carries total charge of Q distributed on its circumference. If we take

potential at centre of ring is zero then what will be potential at x = R(x = distance from centre of ring) :-

(1)

(2)

(3)

(4)

Correct Answer: 2

Q No: 68

As shown in the figure, P and Q are two coaxial conducting loops separated by some distance. When the switch S is closed, a clockwise current ip flows in P (as seen by observer) and an induced current iQ1 flows in Q. The switch remain closed for a long time. When S is opened, a current iQ2 flows in Q. then the direction of iQ1 and iQ2 (as seen by observer) are :-

(1)Respectively clockwise and anticlockwise(2)Both clockwise(3)Both anticlockwise(4)Respectively anticlockwise and clockwise

Correct Answer: 4

Q No: 69

A solid shell loses half its weight in water. Relative density of the shell is 5.0. What fraction of its volume is hollow ?

(1)3/5 (2)2/5 (3)1/5 (4)4/5

Correct Answer: 1

Q No: 70

A space station is set up in space at a distance equal to the earths radius from the surface of the earth. If escape velocity on surface of earth is V then escape velocity of a body from space station is :

(1)V

(2)

(3)

(4)

Correct Answer: 2

Q No: 71

A block of mass M is attached to the lower end of a vertical spring. The spring is hung from a ceiling and has force constant value k. The mass is released from rest with the spring initially unstretched. the maximum extension produced in the length of the spring will be :-

(1)Mg/2k(2)Mg/k(3)2 Mg/k(4)4 Mg/k

Correct Answer: 3

Q No: 72

The current in a wire varies with time according to the equation i = 4 + 2t, where i is in ampere and t is in second. Calculate the quantity of charge which has passed through a cross section of the wire during the time t = 2 s to t = 6 s.

(1)12 C (2)36 C (3)24 C (4)48 C

Correct Answer: 4

Q No: 73

A wire cd of length ℓ and mass m is sliding without friction on conducting rails ax and by as shown. The vertical rails are connected to each other with a resistance R between a and b. A uniform magnetic field B is applied perpendicular to the plane abcd such that cd moves with a constant velocity of :-

(1)

(2)

(3)

(4)

Correct Answer: 2

Q No: 74

In the P-V diagram shown in figure ABC is a semicircle. the work done in the process ABC is :-

(1)zero(2)

(3)

(4)4atm-L

Correct Answer: 2

Q No: 75

If value of g at height h (h << R) above surface of earth is same as that its value of depth d below surface of earth then

(1)h = d(2)

(3)h = 2d(4)

Correct Answer: 2

Q No: 76

A transistor is operated in common-emitter configuration at Vc = 2V such that a change in the base current from 100 μA to 200 μA produces a change in the collector current from 5 mA to 10 mA. The current gain is :-

(1)50 (2)75 (3)100 (4)150

Correct Answer: 1

Q No: 77

The e.m.f. of a cell is ε and its internal resistance is r. Its terminals are connected to a resistance R. The potential difference between the terminals is 1.6 V for R = 4Ω, and 1.8 V for R = 9Ω. Then :-

(1)ε = 1V, r = 1Ω(2)ε = 2V, r = 1Ω(3)ε = 2V, r = 2Ω(4)ε = 2.5V, r = 0.5Ω

Correct Answer: 2

Q No: 78

In the adjoining ac circuit the voltmeter whose reading will be zero at resonance is :-

(1)V1

(2)V2

(3)V3

(4)V4

Correct Answer: 4

Q No: 79

Three rods of equal lengths and equal areas of cross–section whose coefficient of thermal conductivity are 2K, 3K and K respectively are joined, as shown in the figure. Their free ends are at temperatures 0° C, 50° C and 100° C respectively, the temperature of the junction T0 will be :- (Approximate)

(1)33.3° C(2)50° C(3)66.7° C(4)41.6° C

Correct Answer: 4

Q No: 80

A cathode emits 1.8 × 1014 electrons per second, when heated. When 400 V is applied to anode all the emitted electrons reach the anode. The charge on electron is 1.6 × 10–19C. The maximum anode current is

(1)2.7 μA(2)29 μA(3)72 μA(4)None of these

Correct Answer: 2

Q No: 81

For angles of projection of a projectile at angles (45° – θ) and (45° + θ), the horizontal ranges described by the projectile are in the ratio of :-

(1)1 : 1(2)2 : 3(3)1 : 2(4)2 : 1

Correct Answer: 1

Q No: 82

A single battery is connected to three resistances as shown in figure :-

(1)The current through 7Ω resistance is 4A(2)The current through 3Ω resistance is zero(3)The current through 6Ω resistance is 4A(4)The current through 7Ω resistance is 0

Correct Answer: 4

Q No: 83

Two magnets A and B are identical and these are arranged as shown in the figure Their length is negligible in comparison to the separation between them. A magnetic needle is placed between the

magnets at point P which gets deflected through an angle θ under the influence of magnets. The ratio of distance d1and d2 will be. :-

(1)(2 tan θ)1/3

(2)(2 tan θ)–1/3

(3)(2 cot θ)1/3

(4)(2 cot θ)–1/3

Correct Answer: 3

Q No: 84

Two spheres of radii in the ratio 1 : 3 and densities in the ratio 2 : 1 and of same specific heat are heated to same temperature and left in the same surrounding. Their rate of falling temperature will be in the ratio :-

(1)2 : 3(2)3 : 2(3)4 : 9(4)9 : 4

Correct Answer: 2

Q No: 85

In X-ray tube when the accelerating voltage V is halved, the difference between the wavelength of Kα line and minimum wavelength of continuous X-ray spectrum

(1)Remains constant(2)Becomes more than two times(3)Becomes half(4)Becomes less than two times

Correct Answer: 4

Q No: 86

A stone tied to the end of a string of 1m long is whirled in a horizontal circle with a constant speed. If the stone makes 22 revolution in 44 seconds, what is the magnitude and direction of acceleration of the stone –

(1)π2ms–2 and direction along the tangent to the circle.(2)π2ms–2 and direction along the radius towards the centre.(3)

ms–2 and direction along the radius towards the centre.(4)π2ms–2 and direction along the radius away from the centre.

Correct Answer: 2

Q No: 87

In the circuit shown in Fig. C1 = 6μF, C2 = 3μF and battery B = 20V. The switch S1 is first closed. It is then opened and afterwards S2 is closed. What is the final charge on C2 ?

(1)120μC(2)80μC(3)40μC(4)20μC

Correct Answer: 3

Q No: 88

The respective angles of the flint and crown glass prisms are A' and A. They are to be used for dispersion without deviation, then the ratio of their angles A'/A will be

(1)

(2)

(3)(4)

Correct Answer: 1

Q No: 89

A container of volume 1.5 litre contain helium gas at a temperature of 135°C and 83 cm pressure of Hg. The number of moles of the helium gas in the container is :-

(1)0.5 (2)0.005 (3)5.0 (4)0.05

Correct Answer: 4

Q No: 90

The energy liberated on complete fission of 1 kg of 92U235 is (Assume 200 MeV energy is liberated on fission of 1 nucleus)

(1)8.2 × 1010 J(2)8.2 × 109 J(3)8.2 × 1013 J(4)8.2 × 1016 J

Correct Answer: 3

Q No: 91

Monomeric unit of Myosin are :-(1)Tropomyosin(2)Tropomeromyosin(3)Troponin(4)Meromyosin

Correct Answer: 4

Q No: 92

Natural method of contraception include the following ?(1)Coitus interruptus(2)Lactational amenorrhea(3)Periodic abstinance(4)All of these

Correct Answer: 4

Q No: 93

Which of the following does not synthesize RNA ?(1)Primase(2)RNA polymerase I(3)Reverse transcriptase(4)RNA polymerase II

Correct Answer: 3

Q No: 94

Fragmentation can be seen in :-(A) Fungi(B) Filamentous algae

(C) Planaria (flat worm)(D) Protonema of mass

(1)In both A and B(2)In both B and C(3)In A, B and C(4)In A, B, C and D

Correct Answer: 4

Q No: 95

Read the following statements (A-C) about animal breeding :(A) Breeding between unrelated animals of the same breed but having no common ancestors upto 4-6 generation(B) It often helps to overcome inbreeding depression(C) It also helps in improve the production of milk and growth rate in beef cattle.Out of these which are correct for "outbreeding"?

(1)Only A(2)Both A and B(3)All these A, B and C(4)None of these

Correct Answer: 3

Q No: 96

Given above is the representation of certain event of particular stages of a type of cell division. Which is this stage ?

(1)Prophase of mitosis(2)Both prophase and metaphase(3)Prophase-I during meiosis(4)Prophase-II during meiosis

Correct Answer: 3

Q No: 97

According to Carl Woese, archaebacteria are included in which kingdom ?(1)Kingdom-Monera(2)Kingdom Protista(3)Kingdom-Mycota(4)Kingdom-Archaebacteria

Correct Answer: 4

Q No: 98

The organ found in the buccal cavity of some molluscs for rasping the food is called :(1)Mantle(2)Mandible(3)Radula(4)Teeth

Correct Answer: 3

Q No: 99

FOAM and the biologists from humboldt state university, california created an intregrated waste water treatment to purify mainly :-

(1)Sludge from water(2)Nitrate and phosphate from water(3)Heavy metals from water(4)All of the above

Correct Answer: 3

Q No: 100

In which of the given plants placenta develops at the base of ovary and a single ovule is attached to it ?(1)Tomato, lemon(2)Mustard, Argemone(3)Dianthus, Primrose(4)Sunflower, marigold

Correct Answer: 4

Q No: 101

ATPase activity is present in :-(1)Myosin head(2)Myosin tail(3)TnT(4)TnC

Correct Answer: 1

Q No: 102

Listed below are four respiratory capacities and four respiratory volumes of a normal human adult Respiratory capacities Respiratory volumesA Residual volume 2500 mlB Vital capacity 3500 mlC Inspiratory reserve volume 1200 mlD Inspiratory capacity 4500 ml

Which one of the following is the correct matching of capacities and volumes ?(1)(A) 4500 ml, (B) 3500 ml(2)(B) 2500 ml, (C) 4500 ml(3)(C) 1200 ml, (D) 2500 ml(4)(D) 3500 ml, (A) 1200 ml

Correct Answer: 4

Q No: 103

Which of the following cross with respect to blood groups shows both multiple allelism and co-dominance in offsprings ?

(1)O × O(2)A × A(3)A × B(4)O × A

Correct Answer: 3

Q No: 104

Which of the following pair is correctly matched?(1)Neanderthal man : Cranial capacity 1400 cc(2)Homoerectus : 2.5 million years ago(3)Homosapiens : Arose in Asia(4)Ramapithecus : More ape like

Correct Answer: 1

Q No: 105

"Beekeeping" is also known as :-(1)Sericulture(2)Moriculture(3)Apiculture(4)Pisciculture

Correct Answer: 3

Q No: 106

Which pigment is not founds in plastid ?(1)Xanthophyll(2)Carotene(3)Anthocyanin(4)Chlorophyll

Correct Answer: 3

Q No: 107

Most proteinaceous eukaryotic algae is :-(1)Spirullina(2)Chlamydomonas(3)Spirogyra(4)Chlorella

Correct Answer: 4

Q No: 108

Echinoderms are characterised by :(1)Exclusively marine habit and calcareous exoskeleton(2)Presence of water vascular system and tube feet for locomotion(3)Both 1 and 2(4)Bilatral symmetry in adult stage

Correct Answer: 2

Q No: 109

Match the Column I with Column II

Column-I Column-II Land area cover

A Hot spot 1 11.5%

B Wet lands 2 4.7%C National park 3 1.4%D Dense forest 4 6%(1)A–1 B–2 C–3 D–4(2)A–2 B–3 C–4 D–1(3)A–3 B–4 C–2 D–1(4)A–3 B–4 C–1 D–2

Correct Answer: 3

Q No: 110

Cork cambium is also known as :-(1)Phelloderm(2)Phellem(3)Phellogen(4)Periderm

Correct Answer: 3

Q No: 111

Which one of the following options gives the correct categorisation of animals according to the type of nitrogenous wastes [A, B, C] they give out ?

(A) Ammonotelic (B) Ureotelic (C) Uricotelic1 Aquatic annelids Cobra, Humans Pigeon, Lizards, Cockroach2 Aquatic amphibia Cockroach, Humans Frog, Pigeon, Lizards3 Pigeon, Humans Aquatic Amphibia, Lizard Cockroach, Frog4 Sponges Amphibians, Humans Cockroach, Pigeon(1)1 (2)2 (3)3 (4)4

Correct Answer: 4

Q No: 112

Which of the following bones are not attached with sternum :-(1)Ribs (1 to 7)(2)Clavicle(3)Ribs (8 to 12)(4)All of the above

Correct Answer: 3

Q No: 113

If a mulatto female marries a white / male, what will be the phenotypic ratio of their progeny ?

(1)1 : 3 : 3 : 1(2)1 : 4 : 6 : 4 : 1(3)1 : 6 : 15 : 20 : 15 : 6 : 1(4)1 : 1 : 1 : 1

Correct Answer: 1

Q No: 114

Which of the following is correctly matched pair:-(1)Biological species concept : Reproductive isolation(2)Formation of subspecies : Megaevolution(3)Origin of mammals like replities reptiles : Mesozoic era(4)Invisible life : Azoic era

Correct Answer: 1

Q No: 115

Which of the following antibody having maximum paratope(1)IgA (2)IgG (3)IgD (4)IgM

Correct Answer: 4

Q No: 116

How many type of amino acid will be coded by the given sequance of nitrogen bases in mRNA?AUG, UUU, UUC, UUC, CUG, UGG, UUU, UAG :-

(1)Four (2)Five (3)Three (4)Six

Correct Answer: 1

Q No: 117

The given flow chart shows the reproductive structures and events of a gymnospermic plant. Identify the structures / events those left blank

A B C D E1 Male cone Micro sporangia Meiosis Archegonia Oogonia2 Sori Mega sporangia Meiosis Antherozoids Archegonia3 Male cone Micro sporangia Meiosis Male gametes Archegonia4 Sori Mega sporangia Mitosis Male gametes Egg Cell(1)1 (2)2 (3)3 (4)4

Correct Answer: 3

Q No: 118

Which of the following is pseudocoelomate ?(1)Hydra(2)Ascaris(3)Frog(4)Asterias

Correct Answer: 2

Q No: 119

Amazon forest is estimated to produce how much of total oxygen present in earth's atmosphere through photosynthesis ?

(1)30%(2)10% – 15%(3)50%(4)20%

Correct Answer: 4

Q No: 120

Which of the following processes absorb free energy (i.e. are endergonic) ?(i) Nitrogen fixation(ii) Respiration(iii) Photosynthesis(iv) Catabolic oxidation of fatty acids

(1)i only(2)i and ii(3)i and iii(4)ii and iv

Correct Answer: 3

Q No: 121

Which of the following are excretory organ of round worms ?(1)Renette cell(2)Nephridia(3)Solenocyte(4)Both (1) and (2)

Correct Answer: 1

Q No: 122

Compared to blood our lymph has :-(1)more RBC's and less WBC's(2)No-plasma(3)Plasma without proteins(4)More WBC's and no RBC's

Correct Answer: 4

Q No: 123

Select the incorrect statement :-(1)Development of 'free martins' in cattles indicates role of hormone in sex determination

(2)Allosomic determination is based on homogamesis.(3)Y-chromosome is also known as androsome(4)Arrhenotokous parthenogenesis results in development of drone in honey bees.

Correct Answer: 2

Q No: 124

The mesozoic era is called as :-(1)The golden age of the amphibians(2)The golden age of the reptiles(3)The golden age of the mammals(4)The golden age of the birds

Correct Answer: 2

Q No: 125

Read the following statements and choose correct one(1)Cocaine is obtained from coffee plant Erythroxylum coca native of South Africa.(2)Atropa belladona and Datura are plants with Hallucinogen property.(3)LSD is derived by mixing of Heroine with smack(4)Opium is stimulant

Correct Answer: 2

Q No: 126

What is correct for this diagram ?

A B C D1 Ribosome SER Nucleus RER2 SER Ribosome RER Nucleus3 Nucleus RER Ribosome SER4 RER Nucleus Ribosome SER(1)1 (2)2 (3)3 (4)4

Correct Answer: 3

Q No: 127

In which one of the following, the genus name, its character and its class are not correctly matched, whereas the remaining three are correct?

Genus Characters ClassA Alternaria Sexual stage is absent DeuteromycetesB Neurospora Exogenous ascospores AscomycetesC Puccinia Dikaryotic mycelium BasidiomycetesD Albugo Aseptate and coenocytic mycelium Phycomycetes(1)A (2)B (3)C (4)D

Correct Answer: 2

Q No: 128

What is true about Hirudinaria, culex and pila ?(1)They all belong to the same phylum(2)They all have jointed paired appendages(3)They all posses dorsal heart(4)All of the above

Correct Answer: 3

Q No: 129

Humans derive countless direct economic benefits from nature example food, fire wood, fibre. Construction material industrial products and medicines. They all are included in :-

(1)Narrowly utilitarian category(2)Brodly utilitarian category(3)Ethical category(4)None of the above

Correct Answer: 1

Q No: 130

Why photosynthetic CO2 fixation dependent on light ?(1)ATP and NADPH are required for the synthesis of PGAL(2)The conversion of RuBP and CO2 to 3-phosphoglycerate requires ATP(3)Phosphoenol pyruvate (PEP) regeneration requires NADPH(4)The movement of CO2 from the air into the leaf requires ATP

Correct Answer: 1

Q No: 131

White muscles are dependent :-(1)On aerobic process and red muscles on anaerobic process.(2)On anaerobic process and red muscles on aerobic process

(3)On aerobic process along with the red muscles(4)On anaerobic process along with the red muscles

Correct Answer: 2

Q No: 132

Select the option with correct matching of the facts with their reasons / details :- Facts Reasons

A Neurons are excitable cells 1 To provide the additional space for many more neurons.

B Cerebellum has very more convoluted surface 2 Neuron cell bodies are concentrated giving

greyish appearance.C Neuron is the longest cell of body 3 Their membranes are in a polarised state.

D Cerebral cortex is also referred as the grey matter. 4 Contains all cell organelles except centriol.

(1)A–1 B–2 C–3 D–4(2)A–3 B–4 C–1 D–2(3)A–3 B–1 C–4 D–2(4)A–4 B–1 C–2 D–3

Correct Answer: 3

Q No: 133

In Beadle & Tatum experiment, if in Neurospora gene-B gets mutated, then :-(1)It will not produce ornithine, citrulline and arginine(2)It will produce ornithine, but not arginine(3)It will produce citrulline only(4)Only arginine will be produced

Correct Answer: 2

Q No: 134

The process of evolution of different species in a given geographical area starting from a point and literally radiating to other areas is called as:-

(1)Convergent evolution(2)Adaptive radiation(3)Pavalle evolution(4)Contineutal drift

Correct Answer: 2

Q No: 135

When a person dies after stung by a bees, death may be due to(1)Prophylaxis shock(2)Anaphylactic shock(3)Interferon shock(4)Sedation

Correct Answer: 2

Q No: 136

Which of the following is correct for glycogen:-(1)The right end is called the reducing end(2)The left end is called reducing end(3)Stored food in plant(4)Polymer of β-D-glucose

Correct Answer: 1

Q No: 137

Although both Chlamydomonas and Chlorella are autotrophic unicellular organisms with cell wall and both, Paramoecium and Amoeba are heterotrophic, unicellular organisms without cell wall while all these organisms are included in Kingdom Protista using. Five Kingdom system of classification. Why these organisms put together in Kingdom Protista ?

(1)Because they all are unicellular(2)Because they all have same kind of cell membrane(3)Because they all have nuclear membrane(4)Both (1) and (3)

Correct Answer: 4

Q No: 138

Which one of the following pairs is mismatched?(1)Ophiura - Brittle star(2)Pinctada - Pearl oyster(3)Dentalium - Tusk shell(4)Aplysia - Chiton

Correct Answer: 4

Q No: 139

Resource partitioning occurs in between two species :-(1)To avoid competition(2)To avoid niche overlapping(3)To avoid overexploitation of resources(4)To avoid wastage of resources

Correct Answer: 1

Q No: 140

Which statement about photosynthesis is false ?(1)Plants and green algae use water as a source of electrons(2)Cyclic electron transport results in the production of oxygen(3)In light, the pH of the stroma increases(4)RuBP carboxylase can add CO2 to the calvin cycle

Correct Answer: 2

Q No: 141

Pick the wrong match :-(1)Mucosal fold in stomach – Rugae(2)Muscularis layer – Striated muscles(3)Meissner's plexus – Regulate secretion in intestine(4)Crypts of Lieberkuhn – Succus entericus

Correct Answer: 2

Q No: 142

PTH is a hypercalcemic hormone that increases Ca2+ level in blood by stimulating following all processes except one, :-

(1)Bone resorption or dissolution by osteoclast cells.(2)Reabsorption of Ca2+ by renal tubules(3)Deposition of Ca+2 from blood into bones by osteoblast cells.(4)Absorption of Ca2+ from the digested food.

Correct Answer: 3

Q No: 143

Select the incorrect statement for 'CAP' :-(1)It is a catabolic activator protein, which exerts a positive control in lac operon.(2)Its gene is located in the promotor site of lac operon.

(3)It activates only when glucose is less/absent.(4)Its formation & activation depends upon cAMP level.

Correct Answer: 2

Q No: 144

Which is not true of Archaeopteryx ?(1)Jaws are modified into beak(2)Tail is bony and long(3)Forelimbs are modified into wings(4)Connecting link between birds and amplibians

Correct Answer: 4

Q No: 145

Which Leucocyte secretes heparin and histamine in blood?(1)Eosinophil(2)Neutrophil(3)Basophil(4)Monocyte

Correct Answer: 3

Q No: 146

All of the following are found in a prokaryotic cell except :-(1)m-RNA, t-RNA, r-RNA, ribosome(2)Nucleolus(3)Coupled transcription & translation(4)Ribosome, Polysome

Correct Answer: 2

Q No: 147

Drawbacks of Linnaeus' Two Kingdom system of classification :-(1)There is no separation of unicellular and multicellular organisms(2)This system did not distinguish between the prokaryotes and eukaryotes(3)Photosynthetic and non-photosynthetic organisms are put together(4)All of these

Correct Answer: 4

Q No: 148

Female genital pure in earthworm is found in-(1)18 (2)14 (3)17 (4)11

Correct Answer: 2

Q No: 149

The farmers or tribes cut down the trees of forest and burn the plant remains, and use the land for farming this process is called :-

(1)Energy plantation(2)Croprotation(3)Reforestation(4)Slash and burn agriculture

Correct Answer: 4

Q No: 150

Which of the following best describes the pathway that a molecule of water would follow upon entering the root :-

(1)Cortex → Endodermis → Xylem → Epidermis(2)Xylem → Epidermis → Cortex → endodermis(3)Epidermis → Cortex → Endodermis → Xylem(4)Cortex → Xylem → Epidermis → Endodermis

Correct Answer: 3

Q No: 151

During urine formation the tubular cells secrete substances like H+, K+ and ammonia into :-(1)Blood(2)Lymph(3)Glomerular filtrate(4)In medullary interstitium

Correct Answer: 3

Q No: 152

A hybrid DNA molecule (N14, N15) continuously replicate in N14 medium. After 2 replication medium is changed from N14 to N15 than what is the % of N15(heavy) DNA in third generation:-

(1)100 %(2)12.5 %(3)25 %(4)50 %

Correct Answer: 2

Q No: 153

Shaded symbol represent black guinea pig, while open symbol represent white guinea pig. Black skin is dominant over, white skin in guinea pig. What is the possible genotype of III–1 and III–2 respectively ?

(1)Bb and bb(2)BB and bb(3)BB and BB(4)BB or Bb and bb

Correct Answer: 1

Q No: 154

Thorns of Bougainvillea and tendrils of Cucurbita are examples of :-(1)Analogous organs(2)Homologous organs(3)Vestigial organs(4)Retrogressive evolution

Correct Answer: 2

Q No: 155

The king of narcotic is(1)Opium

(2)LSD(3)Alcohol(4)Cocaine

Correct Answer: 1

Q No: 156

How many organelle in the list given below have two-membranes and produce ATP :-Plastid, Golgi complex, ER, Nucleus, Mitochondrion, Centrosome, Lysosome, Chromosome, Oxysome, Peroxisome, Microbodies :-

(1)Six (2)Two (3)Four (4)Five

Correct Answer: 2

Q No: 157

Viruses did not find a place in classification, why?(1)Because they have only one kind of nucleic acid(2)Because they are obligate parasite(3)Because they are not truly living(4)All of these

Correct Answer: 3

Q No: 158

Presence of following provide the evidence for the origin of birds from reptiles :(1)Feather(2)Scales(3)Claws(4)Hairs

Correct Answer: 2

Q No: 159

Which one of the following type is made up of elongated tapering cylindrical cells which have dense cytoplasm and nucleus and cell wall is composed of cellulose and has pit through which plasmodesmatal connection exist between cells and it is absent in most of monocotyledon.

(1)Sieve tube element(2)Phloem fibre(3)Phloem parenchyma

(4)Companion cell

Correct Answer: 3

Q No: 160

Which of following hormone prevents seed germination ?(1)Cytokinin(2)Gibberellin(3)Abscisic acid(4)Ethylene

Correct Answer: 3

Q No: 161

Which of the following hormones are formed only during pregnancy :-FSH, LH, Estrogen, Progesterone, HCG, HPL, Cortisol, thyroxine

(1)7 (2)6 (3)5 (4)2

Correct Answer: 4

Q No: 162

In a polypeptide chain second amino acid is tryptophan, than what sequence of nitrogen bases is present on DNA for this amino acid :-

(1)UUG (2)UGG (3)ACC (4)AGGCorrect Answer: 3

Q No: 163

In living body different organs perform different functions, the most possible reason behind it is:-(1)Ingredient of tissue making that organ(2)Ingredient of cells making that organ(3)Ingredient of molecules making that organ(4)Interactions among the constituents of the organ

Correct Answer: 4

Q No: 164

'Trichoderma' which are used as biological control agent for different plant disease are :-

(1)Viruse(2)Free living fungi(3)Free living Bacteria(4)Simbiotic Bacteria

Correct Answer: 2

Q No: 165

Alcohol normally consumed is(1)Methanol(2)Spirit(3)ethylalcohol(4)All of above

Correct Answer: 3

Q No: 166

Simplest amino acid is :-(1)Glycine(2)Valine(3)Isoleucine(4)Proline

Correct Answer: 1

Q No: 167

Most of the plant taxonomists do not give equal weightage to vegetative characteristics and sexual (floral) characteristics. They give more weightage to sexual characteristics. What should be the reason for this approach ?

(1)Because sexual characters are attractives(2)Because vegetative characters are much more in number(3)Because vegetative characters are more easily affected by environment than the sexual characters(4)Both (1) & (3)

Correct Answer: 3

Q No: 168

Bony fishes are -(1)Ammonotelic

(2)Ureotelic(3)Uricotelic(4)Both 1 and 2

Correct Answer: 1

Q No: 169

Egg apparatus of angiosperm consists of :-(1)One egg cell and two synergids(2)One egg cell, 2 synergids, 3 antipodals(3)3 antipodals only(4)Secondary nucleus and egg cell

Correct Answer: 1

Q No: 170

Which of the following is not a Macronutrient ?(1)Zn (2)Ca (3)Mg (4)C

Correct Answer: 1

Q No: 171

Pregnancy testing strips can detect the presence of ________ in urine :-(1)hCG(2)Prolactin(3)Relaxin(4)Testosterone

Correct Answer: 1

Q No: 172

How many structural genes are present in lac operon ?(1)1 (2)2 (3)4 (4)3

Correct Answer: 4

Q No: 173

Study the given statements carefully and give the answer:-

(a) Biology is the story of evolution on earth(b) Interactions among constituents result in emergent property of any organ(c) Photoperiod affects reproduction in reasonal breeders, both plants and animals(d) Cellular organisation of the body is the defining feature of life forms

(1)Two, correct and two incorrect statements(2)Three correct and one incorrect statements(3)All are correct statements(4)All statements are incorrect

Correct Answer: 3

Q No: 174

'Pusa gaurav' Variety of Brassica is resistant to which insect :-(1)Aphids(2)Jassids(3)Bollworm(4)Stem sawfly

Correct Answer: 1

Q No: 175

Which disease is not prevented by triple antigen vaccine(1)Tetanus(2)Diphtheria(3)whooping cough(4)Typhoid

Correct Answer: 4

Q No: 176

Gaudikov's effect can be seen in :-(1)Red algae(2)Blue-green algae(3)Brown algae(4)Both (1) & (2)

Correct Answer: 4

Q No: 177

Find the incorrect match :- Column-I Column-IIA Botanical Gardens Collection of living plantsB Zoological Parks Collection of living animalsC Biological Museum Collection of preserved animals only

D Taxonomical Keys Identification of plants onlyE Herbarium Quick referral system in taxomonical studies(1)A & B(2)A & D(3)C & D(4)B & C

Correct Answer: 3

Q No: 178

Polychlorinated biphenyls causes :-(1)Green house effect(2)Ozone depletion(3)Eutrophication(4)Biological magnification

Correct Answer: 4

Q No: 179

Which condition is shown in above diagram?(1)Multicarpellary, syncarpous pistil of Papaver(2)Multicarpellary, apocarpous pistil of Michelia(3)Multicarpellary, apocarpous pistil of Papaver(4)Multicarpellary, syncarpous pistil of Michelia

Correct Answer: 2

Q No: 180

Which of the following is not true for photoperiodism ?(1)It depends on duration of light(2)It explains flowering in plants(3)It is the reponse of plant to ratio of cytochrome and phytochrome(4)Photoperiodic stimulus is length of light and dark period

Correct Answer: 3

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