AIIMS Full Mock Test 23


200 Questions MCQ Test AIIMS Mock Tests & Previous Year Papers | AIIMS Full Mock Test 23


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This mock test of AIIMS Full Mock Test 23 for NEET helps you for every NEET entrance exam. This contains 200 Multiple Choice Questions for NEET AIIMS Full Mock Test 23 (mcq) to study with solutions a complete question bank. The solved questions answers in this AIIMS Full Mock Test 23 quiz give you a good mix of easy questions and tough questions. NEET students definitely take this AIIMS Full Mock Test 23 exercise for a better result in the exam. You can find other AIIMS Full Mock Test 23 extra questions, long questions & short questions for NEET on EduRev as well by searching above.
QUESTION: 1

In the figure shown a rod of length L is inclined at an angle 60° with the floor against a smooth wall. If the end A moves with a velocity 2 m/s, the end B should move with a velocity

Solution:
QUESTION: 2

When charged particle rotates in a circular path the ratio of its magnetic moment to its angular momentum is equal to

Solution:
QUESTION: 3

A capacitor 100μF, and inductor 16H and a resistor 100 Ω are connected in series across an ac source of E = 200 sin 25t the power dissipated in the circuit is

Solution:
QUESTION: 4

Two charged particles Y and Z enter a space of uniform magnetic field with equal velocities perpendicular to the magnetic field. The path followed is shown below. Then

Solution:
QUESTION: 5

The graph showing the variation of terminal velocity v of spherical balls with the square of radius (r) in a viscous liquid can be

Solution:
QUESTION: 6

Three vectors  arranged in a region such that  The vectors must be

Solution:
QUESTION: 7

A particle executes SHM. Its velocities are V1 and V2 at displacement x1 and x2 from mean position respectively. The frequency of oscillation

Solution:
QUESTION: 8

A body of density ρ is floating at the interface of two immisible liquids of densities ρ1 and ρ2 respectively. Fraction of volume inside upper liquid is

Solution:
QUESTION: 9

A radio active material decays by simultaneous emission of two particles with respective half lives 1620 and 810 years. The time (in years) after which one fourth of the material remains

Solution:
QUESTION: 10

The radii of two planets are respectively R1 and R2 and their densities are P1 and P2. Ratio of acceleration due to gravity at their surface will be

Solution:
QUESTION: 11

Following is equivalent to

Solution:
QUESTION: 12

Figure shows a force distance graph of a particle moving along a straight line due North. The KE of the particle at a distance of 3m from the starting point is

Solution:
QUESTION: 13

One end of a spring of force constant K is fixed to a vertical wall and the other to a body of mass m resting on a smooth horizontal surface. There is another wall at a distance x0 from the body. The spring is then compressed by 2x0 and released. The time taken to strike the wall is

Solution:
QUESTION: 14

 The area swept by a planet revolving around the sun in time t is given as A = A0 + Kt, where A0 and K are the constants. If the mass of the planet is m, then angular momentum of the planet about the sun will be

Solution:
QUESTION: 15

The height of image formed by a convex lens on a screen is 8 cm. For the same position of object and screen a sharp image of height 12.5 cm is formed. The height of the objects

Solution:
QUESTION: 16

A spring has an unstreched length of 8 cm and when a weight is hung on it, its length becomes 14 cm. The time period of oscillation of the weight is

Solution:
QUESTION: 17

Three consecutive frequencies of standing wave in an organ pipes are 165 Hz, 275 Hz and 385 Hz. If velocity of sound in organ pipe is 330 m/s, then length of organ pipe is

Solution:
QUESTION: 18

If     represents electric flux then dimension of the quantity  ​  is same as that of

Solution:
QUESTION: 19

If M is mass of a thin semicircular ring of radius R. Moment of Inertia of this thin semicircular ring about axis passing through its C.M. and perpendicular to its plane is

Solution:
QUESTION: 20

Bernoulli’s theorem is based on conservation of

Solution:
QUESTION: 21

If a particle of mass m is at a height h =R/4 where R is radius of the earth. Potential energy of particle with respect to reference level on surface of the earth is

Solution:
QUESTION: 22

A block of mass m is initially at rest on a rough horizontal surface. A horizontal force varying with time F = αt2 is applied on the block as shown in figure. Which of the following graph represents variation of magnitude of frictional force Ff on block with time t

Solution:
QUESTION: 23

A particle moves on X-axis of a reference frame with velocity varying with x-co-ordinate of particle as shown in graph. Acceleratin of particle at x = 5m is

Solution:
QUESTION: 24

For the circuit shown in figure no current flows through cell of emf ∈ . Then R is equal to

Solution:
QUESTION: 25

A nucleus splits into two nuclear parts having radii in the ratio 1 : 2. Their velocities are in the ratio

Solution:
QUESTION: 26

In the diagram, the input is across the terminals A and C and the output is across B and D. Then output is

Solution:
QUESTION: 27

Power of a lens in air is +2D. If refractive of material of lens is 3/2 and the lens is dipped in water (refractive index 4/3), then its power becomes

Solution:
QUESTION: 28

Angle of a prism is 30° and its one surface is silvered. Light ray falling at an angle of incidence 60° on the first surface return back through the same path after suffering reflection at the silvered surface. Refractive index of material of prism is

Solution:
QUESTION: 29

29. If W1, W2 and W3 are represent the work done in moving a particle from A to B along three different paths 1, 2 and 3 respectively (as shown) in the gravitational field of a point mass m, find the correct relation between W1, W2 and W3​

Solution:
QUESTION: 30

One quarter sector is cut from a uniform circular disc of radius . This sector has mass M. It is made to rotate about a line perpendicular to its plane and passing through the centre of the original disc. Its moment of inertia about the axis of rotation is

Solution:
QUESTION: 31

The diagram refers to the collision of two blocks on a frictionless table. Before the collision, the block of mass m is at rest

If the collision were elastic, what is the total kinetic energy of the blocks just AFTER the collision? 

Solution:
QUESTION: 32

A rope stretched between two fixed points can support transverse standing waves. What is the ratio of the sixth harmonic frequency to the third harmonic frequency?

Solution:
QUESTION: 33

at 3500 m/s through brass. What happens to the wavelength for a 700 Hz acoustic wave as it enters brass from warm air?

Solution:
QUESTION: 34

The circular metal plate shown here has a concentric circular hole. If the plate is heated uniformly, so that the outer circumference of the plate increases by 4%, then the circumference of the hole will

Solution:
QUESTION: 35

If a 50 kg block of solid marble (specific heat = 0.9 kJ/kg°C), originally at 20°C, absorbs 100 kJ of heat, which one of the following best approximates the temperature increase of the marble block?

Solution:
QUESTION: 36

The diagram here (not drawn to scale) gives the first few electron energy levels within a single electron atom. Which of the following gives the energy of a photon that could not be emitted by this atom during an electron-transition?

Solution:
QUESTION: 37

The drawing shows the displacement of a traveling wave at time t = 0. If the wave speed is 0.5 m/s and the wavelength is λ meter, what is the period of the wave (in seconds)?

Solution:
QUESTION: 38

During each cycle, a heat engine takes in 600 J of energy from its high temperature source and ejects 400 J of exhaust heat into its low temperature sink. What is the efficiency of this heat engine?

Solution:
QUESTION: 39

The object’s acceleration is

Solution:
QUESTION: 40

A uniform cylinder, initially at rest on a frictionless, horizontal surface, is pulled by a constant force F at time t = 0. At t = T, this force is removed. Which of the following graphs best illustrates the speed v, of the cylinder’s centre of mass from t = 0 to t = 2T?

Solution:
QUESTION: 41

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : When a wheel is rotating forward on a level road, frictional force between the wheel and road acts backwards.
R : Friction always opposes the motion.

Solution:
QUESTION: 42

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : Two metallic spheres of same size, one of copper and the other of aluminium, heated to the same temperature will not cool at the same rate when they are suspended in indentical enclosure.
R : The rate of cooling of a body is directly proportional to the excess of temperature of the body over the surrounding.

Solution:
QUESTION: 43

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : A work done by a gas in isothermal expansion, is more the work done by a gas in adiabatic expansion.
R : Temperature remains constant in isothermal expansion and not in adiabatic expansion.

Solution:
QUESTION: 44

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : As the temperature of hot function increases, the thermo emf of a thermocouple may increases or decrease.
R : Thermoemf is maximum at neutral temperature.

Solution:
QUESTION: 45

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : The heater wire must have high resistivity and high melting point.
R : H α R

Solution:
QUESTION: 46

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : Light is deviated as well as dispersed on passing through prism.
R : Dispersion is due to different deviation produced in different colours.

Solution:
QUESTION: 47

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : Sound travels faster on a rainy day than on a dry day.
R : Moisture in air increases its density.

Solution:
QUESTION: 48

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : In simple harmonic motion displacement of particle is directed away from mean position.
R : The velocity leads displacement in phase by 90°.

Solution:
QUESTION: 49

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : A shell at rest on a horizontal smooth surface explodes and C - M moves on a straight line along the smooth surface.
R : Motion of C-M of a system is affected by internal forces.

Solution:
QUESTION: 50

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : For circuit shown in figure equivalent resistance between P and Q is 3r

R : Three resistances shown in figure are in series.

Solution:
QUESTION: 51

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : α - particle produces much more ionisation than α -particles.

R : α -particles are positively charged.

Solution:
QUESTION: 52

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : Mass of a body decreases slightly when it is negatively charged.
R : Negative charge on the body means protons have been removed prom body.

Solution:
QUESTION: 53

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : In a double star system , the stars revolve around their C. M. and total angular momentum about C.M. remain constant.
R : The interaction force between the two stars obeys Newton’s Law of gravitation.

Solution:
QUESTION: 54

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : The upper surface of the wings of an aeroplane is made convex and lower surface is made concave.
R : The air currents at the top have a smaller velocity

Solution:
QUESTION: 55

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : A work done by a gas in isothermal expansion, is more the work done by a gas in adiabatic expansion.
R : Temperature remains constant in isothermal expansion and not in adiabatic expansion

Solution:
QUESTION: 56

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : The wires supplying current to an electric heater are not at all heated.
R : Resistance of connected wires is very small and H α R.

Solution:
QUESTION: 57

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : The impedance of a parallel LCR circuit is minimum at resonance.
R : In a.c. circuit resonance occurs when the inductive reactance is exactly equal to the capacitive reactance.

Solution:
QUESTION: 58

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : The angular velocity of each and every particle of a body having a rotational motion is always the same.
R : Each particle moves through the same angle in the same interval of time.

Solution:
QUESTION: 59

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : A table cloth can be pulled from a table without
dislodging the dishes.
R : To every action there is an equal opposite reaction

Solution:
QUESTION: 60

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : An interference pattern formed by monochromatic light passing through the slits in young’s double slit experiment consists of fringes of equal width.
R : The change in optical path difference for light producing adjacent fringes is always one wavelength.

Solution:
QUESTION: 61

Which one of the following reactions is an example of heterogeneous catalysis?

Solution:
QUESTION: 62

In which of the following reactions, H2O2 acts as a reducing reagent?

 

Solution:
QUESTION: 63

The electronic configuration of elements A, B and C are (He)2s1, (Ne)3s1 and (Ar)4s1 respectively. Which one of the following order is correct for the first ionization potentials (in kJ mol–1) of A, B and C?

Solution:
QUESTION: 64

During the electrolytic reduction of alumina, the reaction at cathode is .......

Solution:
QUESTION: 65

What is the molecular formula of Borazole?

Solution:
QUESTION: 66

The catenation tendency of C, Si and Ge is in the order Ge < Si < C. The bond energies (in kJ mol–1) of C–C, Si–Si and Ge–Ge bonds, respectively are .....

Solution:
QUESTION: 67

Ionic radius (in Å) of As3+, Sb3+ and Bi3+ follow the order ....

Solution:
QUESTION: 68

What are the products obtained when ammonia is reacted with excess chlorine?

Solution:
QUESTION: 69

What are the products formed when chlorine is passed through aqueous hypo solution?

Solution:
QUESTION: 70

Which one of the following order is correct for the bond energies of halogen molecules?

Solution:
QUESTION: 71

Which one of the following halogen liberates oxygen, when passed through hot concentrated KOH solution?

Solution:
QUESTION: 72

The number of lone pair of electrons present on Xe in XeF2 is.........

Solution:
QUESTION: 73

Which one of the following ions exhibit highest magnetic moment?

Solution:
QUESTION: 74

The structural formula of 2-methyl-2-butene is......

Solution:
QUESTION: 75

Which one of the following pair of compounds are functional isomers?

Solution:
QUESTION: 76

Consider the following reactions

A and B are:

 

Solution:
QUESTION: 77

Which one of the following is used in the preparation of styrene?

Solution:
QUESTION: 78

Ethanol, when reacted with PCl5 gave A, POCl3 and HCl. A reacts with silver nitrite to form B (major product) and AgCl. A and B are respectively

Solution:
QUESTION: 79

3 moles of ethanol reacts with one mole of phosphorus tribromide to form 3 moles of bromo ethane and one mole of X. Which of the following is X?

Solution:
QUESTION: 80

Absolute alcohol (100% alcohol) is prepared by distilling rectified spirit over.......

Solution:
QUESTION: 81

What is  Y in the following reactions ?

C2H5I + NaOC2H5 → X + NaI

X+ 2HI → 2Y + H2O

Solution:
QUESTION: 82

Dry distillation of a mixture of calcium acetate and calcium formate forms......

Solution:
QUESTION: 83

When acetaldehyde is reacted with LiAlH4, what is the product formed?

Solution:
QUESTION: 84

Acetic acid is reacted with metallic sodium to form hydrogen and X. When X is heated with soda lime, Y and sodium carbonate are formed. Y is .......

Solution:
QUESTION: 85

Consider the reaction C6H5NO2  X  Y + HCL

 

What is Y ?

Solution:
QUESTION: 86

The metal ion present in Vitamin B12 is .......

Solution:
QUESTION: 87

The energy of an electron present in Bohr’s second orbit of hydrogen atom is.....

Solution:
QUESTION: 88

in a necleid one a.m.u. of mass is dissipated into energy to bind its nucleons. The energy equivalent of this mass is

Solution:
QUESTION: 89

What is X in the following reaction ?

Solution:
QUESTION: 90

Let electronegativity, ionisation energy and electron affinity be represented as E.N., I.P. & E.A., then

Solution:
QUESTION: 91

Which of the following statement is true?

Solution:
QUESTION: 92

Bond dissociation energies of HF, HCl, HBr follow the order....

Solution:
QUESTION: 93

What is the volume (in litres) of oxygen at STP required for complete combustion of 32 grams of CH4? (molecular weight of CH4 is 16)

Solution:
QUESTION: 94

The r.m.s. velocity of CO2 at a temperature T (in Kelvin) is x cm.sec–1. At what temperature (in Kelvin), the r.m.s. velocity of nitrous oxide would be 4x cm sec–1? (Atomic weights of C, N and O are respectively 12, 14 and 16)

Solution:
QUESTION: 95

250 ml of a sodium carbonate solution contains 2.65 grams of Na2CO3. If 10 ml of this solution is diluted to one litre, what is the concentrations of the resultant solution? (molecular weight of Na2CO3 = 106)

Solution:
QUESTION: 96

Which of the following would produce a buffer solution when mixed in equal volumes?

Solution:
QUESTION: 97

Molten CuCl2 is electrolysed using platinum electrodes. The reaction occurring at anode is.....

Solution:
QUESTION: 98

Equilibrium constant for the reaction

H2 O(g) + CO(g) ⇔ H2 (g) + CO2 (g)

is 81. If the velocity constant of the forward reaction is 162 lit. mol–1sec–1, what is the velocity constant (in lit. mol–1 sec–1) for the backward reaction?

Solution:
QUESTION: 99

Consider the following reactions A   products. This reaction is completed in 100 minutes. The rate constant of this reaction at t1 = 10 min. is 10–2 min–1. What is the rate constant (in min–1) at t2 = 20 minutes?

Solution:
QUESTION: 100

How many litres of oxygen (at STP) are required for complete combustion of 39 grams of liquid benzene? (Atomic weights : C = 12; H = 1; O = 16)

Solution:
QUESTION: 101

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : Oxides are more ionic then corresponding sulphides
R : Oxygen has higher electron affinity than sulphur

Solution:
QUESTION: 102

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : The value of enthalpy of neutralization of a weak acid by strong base is numerically less than 57.1 kJ
R : All OH ions of strong base are not completely neutralized by H+ ions obtained from acid

Solution:
QUESTION: 103

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : Chemical equilibrium represents a state of a reversible reaction in which measurable properties of the system (pressure, concentration, colour etc,) become constant under the given set of conditions

R : A chemical equilibrium is attained when the concentrations of the reactants become equal to the concentrations of the products

Solution:
QUESTION: 104

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : The pH of HCl solution is less than that of acetic acid of same concentration
R : In the equimolar solutions, the number of titrable protons present in HCl is less than that present in acetic acid.

Solution:
QUESTION: 105

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : When helium is allowed to expand into vacuum, heating effect is observed
R : The inversion temperature of helium is very low

Solution:
QUESTION: 106

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : The use of hot air balloons in sports and for meteorological observations is an application of Charle’s law
R : Hot air is less dense and hence gases expand on heating

Solution:
QUESTION: 107

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : Reaction CO with O2 is slower than that between NO and O2
R : Eact for the first reaction is higher than that of the second reaction

Solution:
QUESTION: 108

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : Van’t Hoff’s factor for benzoic acid is less than one
R : Benzoic acid behaves in water as it is a strong electrolyte

Solution:
QUESTION: 109

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : Increase in the concentration of copper half cell in galvanic cell increases the emf of the cell
R : According to Nernst equation

Solution:
QUESTION: 110

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : Finely divided iron acts as a catalyst in Haber’s process of manufacture of ammonia from nitrogen and hydrogen
R : Chemisorption of the reacting nitrogen and hydrogen gases on the surface of iron takes place

Solution:
QUESTION: 111

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : Neutrons are better projectiles
R : Neutrons move faster than protons of alpha particles

Solution:
QUESTION: 112

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : Both cyclopropane and propene give addition reactions readily
R : Cyclopropane and propene are isomers of each other.

Solution:
QUESTION: 113

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : p-dichlorobenzene is less soluble in a given solvent than the corresponding orthoisomer
R : o-dichlorobenzene is polar while p-dichlorobenzene is non polar

Solution:
QUESTION: 114

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : The dissolution of acetone in chloroform is an exothermic process
R : H-bonding occurs between acetone and chloroform molecules on mixing the two

Solution:
QUESTION: 115

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : Nitration of aniline can only be done by protecting – NH2 group through acetylation
R : Acetylation of aniline results in the increase of electron density at the benzene ring

Solution:
QUESTION: 116

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : Gypsum is added to cement to increase its rate of setting
R : Gypsum is calcium sulphate hemihydrate

Solution:
QUESTION: 117

.These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses

A : Diamond does not reflect or retract light
R : Diamond has low refractive index

Solution:
QUESTION: 118

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : White phosphorus is more reactive than red phosphorus.
R : Red phosphorus consists of P4 tetrahedral units linked to one another to form linear chains

Solution:
QUESTION: 119

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : When KI is heated with conc. H2SO4, I2 and not HI is produced
R : Conc. H2SO4 is a strong oxidising agent and as such oxidises the HI produced.

Solution:
QUESTION: 120

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : Carbon is not used as a reducing agent for the extraction of group 2 metals.
R : Carbon react with group 2 metals to give carbides.

Solution:
QUESTION: 121

Oxygenic photosynthesis occurs in

Solution:
QUESTION: 122

Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms

Solution:
QUESTION: 123

A common structural feature of vessel elements and sieve tube elements is

Solution:
QUESTION: 124

The function of companion cells is to

Solution:
QUESTION: 125

In land plants, the guard cells differ from other epidermal cells in having

Solution:
QUESTION: 126

Boron in green plants assists in

Solution:
QUESTION: 127

An element playing an important role in nitrogen fixation is

Solution:
QUESTION: 128

 In sugarcane plant 14CO2 is fixed in malic acid, in which the enzyme that fixes CO2 is

Solution:
QUESTION: 129

Root development is promoted by

Solution:
QUESTION: 130

Which one of the following generally acts as an antagonist to gibberellins?

Solution:
QUESTION: 131

Identify the wrong statements regarding postfertilization development?

Solution:
QUESTION: 132

Choose the mismatched option

Solution:
QUESTION: 133

Why is vivipary an undesirable character for annual crop plants?

Solution:
QUESTION: 134

Perisperm is

Solution:
QUESTION: 135

Select the statement which is not correct?

Solution:
QUESTION: 136

The most striking example of point mutation is found in a disease called

Solution:
QUESTION: 137

Golden rice is a promising transgenic crop. When released for cultivation, it will help in

Solution:
QUESTION: 138

The first clinical gene therapy was given for treating

Solution:
QUESTION: 139

Which of the following birds is on the verge of extinction in India?

Solution:
QUESTION: 140

India has two hot spots North East Himalayas and Eastern Ghats which are rich in

Solution:
QUESTION: 141

Which of the following protein is important for skeletal muscle contraction but not for smooth muscle contraction?

Solution:
QUESTION: 142

Which of the following statement is not correct about eyes ?

Solution:
QUESTION: 143

Which of the following is not a symptom of diabetes insipidus

Solution:
QUESTION: 144

The renal threshold for a solute denotes the

Solution:
QUESTION: 145

Escherichia coli, used in genetic engineering for production of:

Solution:
QUESTION: 146

Which of the following stain is used to determine the activity of cytochrome oxidase in the cell

Solution:
QUESTION: 147

Which of the following is a basic, heterocyclic, semi essential amino acid

Solution:
QUESTION: 148

Which of the following is a correct statement?

Solution:
QUESTION: 149

Anaphylactic shock is due to

Solution:
QUESTION: 150

Meningitis is the disease of membranes of brain and spinal cord, caused by

Solution:
QUESTION: 151

Organ of Golgi is a sensory structure formed at junction of

Solution:
QUESTION: 152

Sweat glands are primarily connected with

Solution:
QUESTION: 153

Which of the following is present in frog’s skin but not in mammalian skin

Solution:
QUESTION: 154

The lobules containing central veins and acini containing central lumen occur respectively in

Solution:
QUESTION: 155

Albumin, fibrinogen and prothrombin are manufactured in

Solution:
QUESTION: 156

If the arterial blood pressure become less than 60 mm Hg and there is no change in CO2 concentration, what will likely to be happened ?

Solution:
QUESTION: 157

Thin band of specialized muscle fibers runs from SA node to left atrium is known as

Solution:
QUESTION: 158

During cardiac cycle AV valves closure occurs at

Solution:
QUESTION: 159

Which of the following organ is known as glucostat of the body:

Solution:
QUESTION: 160

Which of the following is not associated with Hypothyroidism?

Solution:
QUESTION: 161

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : Cytokinins increases shelf life of fruits and vegetables.
R: Cytokinins induce cell division.

Solution:
QUESTION: 162

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A: Pollen mother cells (PMCs) are the first male gametophytic cells.
R: Each PMC gives rise to two pollens.

Solution:
QUESTION: 163

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A: Cork prevents the loss of water by evaporation.
R: Cork cells contain suberin.

Solution:
QUESTION: 164

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A: Commelina shows cleistogamy.
R: This reduces chances of inbreeding

Solution:
QUESTION: 165

​.These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses

A: Protons or hydrogen ions produced by photolysis of water accumulate in the lumen of thylakoids.
R: Photolysis of water takes place towrads inner membrane of thylakoid.

Solution:
QUESTION: 166

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses

A: Plant growth as a whole is indefinite.
R: Plants retain the capacity of continuous growth throughout their life.

Solution:
QUESTION: 167

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses

A: There are 34 biodiversity hotspots in the world.
R: High level of species richness is a criteria for selection of a biodiversity hotspot.

Solution:
QUESTION: 168

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A: Excess Mn in soil, can adversely decrease Mg, Fe and Cu concentrations in the soil.
R: Mn increases rate of photosynthesis, thereby increasing absorption of Mg, Fe and Ca from soil.

Solution:
QUESTION: 169

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A: Complexity of classification increases from kingdom to species.
R: Common characters increase from kingdom to species.

Solution:
QUESTION: 170

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A: In a terrestrial ecosystem, detritus food chain is the major conduit for energy flow.
R: Solar energy is the direct source for energy supply in a detritus food chain.

Solution:
QUESTION: 171

These questions consists of two statements each, printed as Assertion (A) and Reason (R). While answering these questions you are required to choose any one of the following four responses.

A : Metabolic disorders result from a failure to chemically process raw materials or waste products.
R : They are often caused by a defective protein, perhaps a defective enzyme, receptor, or hormone.

Solution:
QUESTION: 172