SRMJEE Mock Test (Med) - 6


105 Questions MCQ Test SRMJEEE Subject Wise & Full Length Mock Tests | SRMJEE Mock Test (Med) - 6


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Attempt SRMJEE Mock Test (Med) - 6 | 105 questions in 150 minutes | Mock test for JEE preparation | Free important questions MCQ to study SRMJEEE Subject Wise & Full Length Mock Tests for JEE Exam | Download free PDF with solutions
QUESTION: 1

The working of dynamo is based on principle of

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QUESTION: 2

In any Bohr orbit of the hydrogen atom, the ratio of kinetic energy to potential energy of the electron is

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QUESTION: 3

Angular displacement θ of a fly wheel varies with time as θ = at + bt2 + ct3, then angular acceleration is given by

Solution:

θ = at + bt2 + ct3

dθ/dt = t + 2bt + 3 ct2

d2θ /dt2 = 2 b + 6 c t
angular acceleration = d2θ /dt = 2 b + 6 c t

QUESTION: 4

A ball of mass 0.5 kg moving with a velocity of 2 m/sec strikes a wall normally and bounces back with the same speed. If the time of contact between the ball and the wall is one millisecond, the average force exerted by the wall on the ball is

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QUESTION: 5

There are two wires of same material and same length while the diameter of second wire is 2 times the diameter of first wire, then ratio of extension produced in the wires by applying same load will be

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QUESTION: 6

Cathode rays and canal rays produced a certain discharge tube are deflected in the same direction of

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QUESTION: 7

A cell supplies a current of 0.9 A through a 2Ω resistor and a current of 0.3 A through a 7Ω resistor. The internal resistance of the cell is

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We know E = i(R + r)

QUESTION: 8

An alternating voltage E=200 sin √2 sin (100t) volt is connected to a 1 μ F capacitor through an A.C. ammeter. The reading of ammeter is

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QUESTION: 9

If a transistor amplifier has a gain of 20 dB, then the ratio of output to input power is

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QUESTION: 10

If n capacitors each of capacitance C are connected in series with a battery of V volt, then electrostatic energy stored in all the capacitors will be

Solution:

The equivalent capacitance Cs of these series-connected capacitors is
1/C s = 1/C + 1/C + 1/C ..... n times = n/C
∴ Cs = C/ n
Energy stored in all capacitors = 1 2 CsV2 = 1/2 C/n V2 = 1/2n CV2

QUESTION: 11

A 30 kg box has to move up an inclined slope of 30o to the horizontal at a uniform velocity of 5 m s − 1 . If the frictional force retarding the motion is 150N, the horizontal force in newton to move up is (g = 10 m s − 2 ).

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QUESTION: 12

A mass M is split into two parts, m and M-m, which are then separated by a certain distance. What ratio of m/M maximizes the gravitational force between the two parts

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QUESTION: 13

At a given volume and temperture, the pressure of a gas

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QUESTION: 14

Suppose the sun expands, so that its radius becomes 100 times its present radius and its surface temperature becomes half of its present value. The total energy emitted by it will increase by a factor of

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QUESTION: 15

When two surfaces are coated with a lubricant, then they

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QUESTION: 16

The resistance of an ideal ammeter is

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QUESTION: 17

If a material, placed in a magnetic field is thrown out of it, then the material is

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QUESTION: 18

A man goes 10 m towards North, then 20m towards east then displacement is

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QUESTION: 19

A capillary tube of radius r is immersed in water and water rise in it to a height h. Mass of water in capillary tube is m. If the radius of the tube is doubled, the mass of water that will rise in capillary will be

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QUESTION: 20

A body is thrown horizontally from the top of a tower of height 5 m. It touches the ground at a distance of 10 m from the foot of the tower. The initial velocity of the body is (g = 10 ms-2)

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QUESTION: 21

A rocket is propelled by a gas which is initially at a temperature of 4000 K. The temperature of the gas falls to 1000 K as it leaves the exhaust nozzle. The gas which will acquire the largest momentum while leaving the nozzle, is

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QUESTION: 22

The equation of motion of a simple harmonic oscillation is

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QUESTION: 23

The horizontal range of a projectile is 4√3 times the maximum height achieved by it, then the angle of projection is

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QUESTION: 24

The surface energy of drop of water of radius r is propotional to

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QUESTION: 25

The formation of mirage is due to

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QUESTION: 26

Masses 8, 2, 4, 2 kg are placed at the corners A, B, C, D respectively of a square ABCD of diagonal 80 cm. The distance of centre of mass from A will be

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QUESTION: 27

A particle is simultaneously acted upon by two forces, one of 3 N and the other of 4 N. The net force on the particle is

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QUESTION: 28

The excess pressure inside a spherical drop of radius 'r' of a liquid of surface tension 'T' is

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QUESTION: 29

The resistance of a cell does not depend on

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QUESTION: 30

A vessel is filled with an ideal gas at a pressure of 20 atm and is at a temperature of 27 oC . One half of the mass is removed from the vessel and the temperature of the remaining gas is increased to 87 oC . At this temperature the pressure of the gas will be ...

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QUESTION: 31

70 calories of heat are required to raise the temperature of 2 moles of an ideal gas at constant pressure from 30oC to 35oC. The amount of heat required to raise the temperature of same gas through the same range (30oC to 35oC) at constant volume (R = 2 cal/mol/K)

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QUESTION: 32

IF L denotes the inductance of an inductor through which a current i is flowing, the dimensions of Li2 are

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QUESTION: 33

Huygen's wave theory of light cannot explain

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QUESTION: 34

A whistle of frequency 500 Hz tied to the end of a string of length 1.2 m revolves at 400 rev/min. A listener standing some distance away in the plane of rotation of whistle nears frequencies in the range (speed of sound = 340 m/s)

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QUESTION: 35

Two putty balls of equal mass moving with equal velocity in mutually perpendicular directions, stick together after collision. If the balls were initially moving with a velocity of 45√2 ms-1 each, the velocity of their combined mass after collision is

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QUESTION: 36

An isomer of ethanol is

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QUESTION: 37

The reaction in which sodium cyanide is used is

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QUESTION: 38

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

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QUESTION: 39

If the dipole moments of toluene and nitrobenzene are 0.43 D and 3.93 D then what is the expected dipole moment of p-nitrophenol?

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QUESTION: 40

Which of the following will not produce a precipitate with AgNO₃ solution?

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QUESTION: 41

For which of the species, Bohr's theory is not applicable?

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QUESTION: 42

Which of the following has magnesium?

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QUESTION: 43

The simplest formula of a compound containing 50% of element of X (atomic mass = 10) and 50% of element Y (atomic mass 20) is

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QUESTION: 44

Sulphonation of benzoic acid produces mainly

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QUESTION: 45

Which of the following types of hybridisation is involved in the formation of cycloalkanes?

Solution:

The carbon atoms in cycloalkanes (also called naphthenes) are sp3 hybridized and are therefore a deviation from the ideal tetrahedral bond angles of 109o28'.

QUESTION: 46

The structure of ICI₂- is

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QUESTION: 47

In an adiabatic expansion of ideal gas,

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QUESTION: 48

The rate of forward reaction is two times that of the reverse reaction at a given temperature and identical concentration, K equilibrium is

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QUESTION: 49

The conversion of A → B follows second order kinetics. Doubling the concentration of A will increase the rate of formation of B by a factor of

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QUESTION: 50

Which of the following is an extensive property?

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QUESTION: 51

A neutral fertilizer among the following compounds is

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QUESTION: 52

The number of chiral carbons in β-D-(+)-glucose is

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QUESTION: 53

Which of the following is correctly matched?

Solution:

C-Cl bond length is 0.176 nm; ionic radii of Na+ and F - are 0.095 and 0.136 nm respectively; C-C bond length is 0.154 nm.

QUESTION: 54

The resistance of 1 N solution of acetic acid is 250 ohm, when measured in a cell of cell cosntant 1.15 cm-1. The equivalent conductance (in ohm-1 cm2 equiv-1) of 1 N acetic acid is

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QUESTION: 55

If 0.44 g of a colourless oxide of nitrogen occupies 224 ml at 1520 mm hg and 273oC, then the compound is

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QUESTION: 56

Benzene reacts with chlorine to form benzenehexachloride in presence of

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QUESTION: 57

pH of a solution produced when an aqueous solution of pH = 6 is mixed with an equal volume of an aqueous solution of pH = 3 is about:

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QUESTION: 58

The isomers, which possess same structural formula, but differ in spatial arrangement of the group around the double bond, are called

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QUESTION: 59

Which of the following is the true statement?

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QUESTION: 60

A Beckmann rearrangement is affected by

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QUESTION: 61

Which of the following is correct?

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QUESTION: 62

Which has maximum stability ?

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QUESTION: 63

The two monomers required in the preparation of terylene are

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QUESTION: 64

The compound that does not give a blue colour in Lassaigne's test for nitrogen is

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QUESTION: 65

Oxidation involves

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QUESTION: 66

When molten Zn is cooled to solid, it assumes HCP structure. Then the number of nearest neighbours of Zn atoms will be

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QUESTION: 67

A molal solution is one that contains one mole of a solute in

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QUESTION: 68

In a flask of volume V litres, 0.2 mol of oxygen, 0.4 mol of nitrogen, 0.1 mole of NH₃ and 0.3 mol of He are enclosed at 27oC. If the total pressure exerted by these non reacting gases is one atmosphere, the partial pressure exerted by nitrogen is

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QUESTION: 69

2 gram of sulphur is completely burnt in oxygen to form SO2. In this reaction what is the volume of oxygen consumed at STP in litres

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QUESTION: 70

Brownian movement is found in

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QUESTION: 71

Xylem fibre is

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QUESTION: 72

Ranthambore National Park is situated in

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QUESTION: 73

An individual with cd genes was crossed with wild type + +. On test crossing F₁, the progeny was + c 105, + d 115, cd 880 and + + 900. Distance between cd genes is

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QUESTION: 74

The percentage of blood cells in whole blood is called _____.

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QUESTION: 75

Causative agent of syphilis is :

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QUESTION: 76

Rennin is also known as

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QUESTION: 77

Coffee is mainly produced in India in

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QUESTION: 78

Which one of the following is the vector of Trypanosomiasis?

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QUESTION: 79

Which one is correct

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QUESTION: 80

When the cleavage in the egg passes across the centre on animal and vegetal axis, it is known as :

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QUESTION: 81

Non-cellular layer is :

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QUESTION: 82

Which is important for transcription

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QUESTION: 83

Production of human protein in bacteria, by genetic engineering, is possible because

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QUESTION: 84

What is true of plasmid

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QUESTION: 85

Back cross is

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QUESTION: 86

The contrasting pairs of factors in Mendelian crosses are called :

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QUESTION: 87

Main hearing part is

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QUESTION: 88

Cardiac muscles are different from that of skeletal muscles as

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QUESTION: 89

What is sprain?

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QUESTION: 90

I.Q. is the ratio of mental age to

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QUESTION: 91

Which of the following would result from stimulation by the sympathetic nervous system?

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QUESTION: 92

All life starts with

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QUESTION: 93

When the rate of translocation is slow, the rate of photosynthesis shall

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QUESTION: 94

Photoperiodism influences

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QUESTION: 95

The tissue taking part in translocation of food is

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QUESTION: 96

National Environmental Planning Engineering Organisation at Nagpur is

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QUESTION: 97

The constancy of the chromosome number from one generation of individuals to the next is maintained by

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QUESTION: 98

A function of the interstitial cells of the testes is the

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QUESTION: 99

ADP-ATP-ADP system was found by Lipmann in

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QUESTION: 100

The diaphragm assists breathing by

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QUESTION: 101

The opening at the base of skull is called foramen

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QUESTION: 102

Joint between atlas and axis is

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QUESTION: 103

The most famous botanical garden of the world is -

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QUESTION: 104

In which respect, Darwin's theory is wrong

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QUESTION: 105

Which of the following structures requires a hypertonic environment to function?

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