NEET Mock Test - 28 - NEET MCQ

# NEET Mock Test - 28 - NEET MCQ

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## 180 Questions MCQ Test Additional Study Material for NEET - NEET Mock Test - 28

NEET Mock Test - 28 for NEET 2024 is part of Additional Study Material for NEET preparation. The NEET Mock Test - 28 questions and answers have been prepared according to the NEET exam syllabus.The NEET Mock Test - 28 MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for NEET Mock Test - 28 below.
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NEET Mock Test - 28 - Question 1

### Work of electric motor is

Detailed Solution for NEET Mock Test - 28 - Question 1

An electric motor is used to convert electrical power into mechanical power. Reverse is done by turbines, generators and dynamos and conversion of DC to AC is done using rectifiers.

NEET Mock Test - 28 - Question 2

### The order of wavelength of X - ray is

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NEET Mock Test - 28 - Question 3

### A resistor of 0.5 Ω is connected to another resistor in parallel combination to get an equivalent resistance of 0.1 Ω. The resistance of the second resistor is

NEET Mock Test - 28 - Question 4

Which of the following is discovered from the discharge tube experiment?

NEET Mock Test - 28 - Question 5

Two photons of energies twice and thrice the work function of a.metal are incident On the metal surface. Then the ratio of maximum velocities of the photoelectrons emitted in the two cases respectively is

NEET Mock Test - 28 - Question 6

A plumb line is suspended from a ceiling of a ear moving with horizontal acceleration of a. What will be the angle of inclination with vertical?

NEET Mock Test - 28 - Question 7

The internal resistance of a cell of e.m.f. 2 V is 0.1 Ω. It is connected to a resistance of 3.9 Ω. The voltage across the cell will be

NEET Mock Test - 28 - Question 8

A particle of mass m at rest decays into two masses m₁ and m₂ with non-zero velocities. The ratio of de-Broglie wavelengths of the masses λ₁/λ₂ is

NEET Mock Test - 28 - Question 9

In Millikan's experiment, an oil drop having charge q gets stationary on applying a potential differnce V in between two plates separated by a distance 'd'. The weight of the drop is

NEET Mock Test - 28 - Question 10

When a proton is accelerated through 1 V, then its kinetic energy will be

NEET Mock Test - 28 - Question 11

The work function of aluminium 4.2 eV. If two protons, each of energy 3.5 eV strike and electron of aluminimum, then emission of electrons will be

NEET Mock Test - 28 - Question 12

A small coil of radius r is placed at the centre of a large coil of radius h (where R >> r). The two coils are coplanar. The mutual inductance between the coil is proportional to

NEET Mock Test - 28 - Question 13

Which scientist experimentally proved the existance of electromagnetic waves?

NEET Mock Test - 28 - Question 14

In T.V. broadcasting both picture and sound are transmitted simultaneously. In this

NEET Mock Test - 28 - Question 15

A dust particle of mass 10−3 gm is stationary between the plates of a horizontal parallel plate capacitor of 0.016m separation which is connected to a voltage of 100V. How many fundamental charges (e = 1.6 x 10 − 19 C) the dust particle carries

NEET Mock Test - 28 - Question 16

Two spherical conductors A and B having equal radii and carrying equal charges on them, repel each other with a force F, when kept apart at some distance. A third spherical conductor C having same radius as that of A, but uncharged, is brought in contact with A, then brought in contact with B and finally removed away from both. The new force of repulsion between the conductors A and B is

NEET Mock Test - 28 - Question 17

Two bodies of equal mass m go around a circular path of radius R under the action of their mutual gravitional attraction, in such a way that they remain opposite to each other. The speed of each body is

NEET Mock Test - 28 - Question 18

On a cold morning, a metal surface will feel colder to touch than a wooden surface because

NEET Mock Test - 28 - Question 19

A spring balance is attached to the ceiling of a lift. A man hangs his bag on the spring and the balance reads 49 N when the lift is stationary. If the lift moves downwards with an acceleration of 5 m/s2, the reading of the spring balance would be

NEET Mock Test - 28 - Question 20

At a given temperature, the pressure of an ideal gas of density ρ is proportional to

NEET Mock Test - 28 - Question 21

The magnetic dipole moment of a current loop is independent of

NEET Mock Test - 28 - Question 22

A bar magnet is equivalent to a current-carrying

NEET Mock Test - 28 - Question 23

At the neutral point, horizontal component of the magnetic field due to a magnet is

NEET Mock Test - 28 - Question 24

How much force is required to produce an elongation of 0.2% in the length of a brass wire of diameter 0.6 mm? (Take Young's modulus for brass = 0.9x1011 N-m⁻2)

NEET Mock Test - 28 - Question 25

If in a nuclear reactor using U235 as fuel, the power output is 4.8 mega watts, the number of fissions per second is:
(energy released per fission of U235 = 200 MeV; 1eV = 1.6 x 10−19 J)

NEET Mock Test - 28 - Question 26

Two spheres of equal masses but radii r1 and r2 are allowed to fall in a liquid of infinite column. The ratio of their terminal velocities are

NEET Mock Test - 28 - Question 27

The difference between the mass of a nucleus and the total mass of the constituents is its

NEET Mock Test - 28 - Question 28

α- particle is equivalent to

NEET Mock Test - 28 - Question 29

Two points are located at a distance of 10 m and 15 m from the source of oscillation . The period of oscillation is 0.05 sec and the velocity of the wave is 300 m/sec. What is the phase difference between the oscillations of two points ?

NEET Mock Test - 28 - Question 30

Fraunhofer spectrum is a

NEET Mock Test - 28 - Question 31

A ray of light passes through an equilateral prism such that the angle of incidence is equal to the angle of emergence and the latter is equal to 3/4 the angle of prism. The angle of deviation is

NEET Mock Test - 28 - Question 32

A body of moment of inertia of 3 kg-m2 rotating with an angular velocity of 2 rad-s⁻1 has the same kinetic energy as a body of mass of 12 kg moving with a velocity of

NEET Mock Test - 28 - Question 33

A solid cylinder 30 cm in diameter at the top of an inclined plane 2.0 m high is released and rolls down the incline without loss of energy due to friction. Its linear speed at the bottom is

NEET Mock Test - 28 - Question 34

A body of mass 'm' when hung from a long and light spring stretches by 20cm. The period of vibration of the mass when pulled down and released is

NEET Mock Test - 28 - Question 35

Electrical conductivity of a semiconductor

NEET Mock Test - 28 - Question 36

The impurity atom added to germanium to make it n-type semiconductor is

NEET Mock Test - 28 - Question 37

Time-taken by a 836 W heater to heat 1 L of water from 10°C to 40°C is

NEET Mock Test - 28 - Question 38

Heat given to a body which rises its temperature by 1°C is

NEET Mock Test - 28 - Question 39

Air in a cylinder is suddenly compressed by a portion, which is then maintained at the same position, with the passage of time

NEET Mock Test - 28 - Question 40

If radius of a circle is 2.14 m, then area of the circle, with due regards for significant figures, will be

NEET Mock Test - 28 - Question 41

An organ pipe P1 closed at one end vibrating in its first overtone and another pipe P2 open at both ends vibrating in its third overtone are in resonance with a given tuning fork. The ratio of lengths of P1 and P2 is

NEET Mock Test - 28 - Question 42

Ultrasonic waves are produced by

NEET Mock Test - 28 - Question 43

Two springs, having spring constants of 25 N-m⁻1 and 16 N-m⁻1are stretched by forces F₁ and F₂.If work done in stretching the springs is equal, then the ratio of the forces F₁ and F₂ is

NEET Mock Test - 28 - Question 44

A constant power P is applied to a car starting from rest. If v is the velocity of the car at time t, then

NEET Mock Test - 28 - Question 45

A ball of mass 400 gm is dropped from a height of 5 m. A boy on the ground hits the ball vertically upwards with a bat with an average force of 100 N so that it attains a vertical height of 20 m. The time for which the ball remains in contact with the bat is [g = 10 m/s2]

NEET Mock Test - 28 - Question 46

Epichlorohydrin is

NEET Mock Test - 28 - Question 47

What is X?

NEET Mock Test - 28 - Question 48

The nitride ion in lithium nitrate is composed of

NEET Mock Test - 28 - Question 49

Which is correct statement about proton?

NEET Mock Test - 28 - Question 50

Which of the following does not show electromeric effect?

NEET Mock Test - 28 - Question 51

A σ - bond is

NEET Mock Test - 28 - Question 52

Which of the following has magnesium?

NEET Mock Test - 28 - Question 53

Vinegar made from cane sugar, now-a-days synthetically contains

NEET Mock Test - 28 - Question 54

The molecule which has the largest dipole moment amongst the following is

NEET Mock Test - 28 - Question 55

The number and type of bonds between two carbon atoms in calcium carbide are

NEET Mock Test - 28 - Question 56

Standard molar enthalpy of formation of CO₂ is equal to

NEET Mock Test - 28 - Question 57

The enthalpies of formation of HF and HCI are -161 KJ and -92 KJ respectively. which of the following statement is incorrect?

NEET Mock Test - 28 - Question 58

A vessel at equilibrium, contains SO₃, SO₂ and O₂. Now some helium gas is added, so that total pressure increases while temperature and volume remain constant. According to Le-Chatelier's principle, the dissociation of SO₃

NEET Mock Test - 28 - Question 59

The half life of a reaction is found to be inversely proportional to the cube of its initial concentration of the reactants. The order of the reaction is

NEET Mock Test - 28 - Question 60

In the reversible reaction of the type A + B AB. In general

NEET Mock Test - 28 - Question 61

Hess's law deals with

NEET Mock Test - 28 - Question 62

Which of the following alkanes has neither secondary nor tertiary hydrogens ?

NEET Mock Test - 28 - Question 63

In the terminal stage of PSLV-C4, the fuel used is

Detailed Solution for NEET Mock Test - 28 - Question 63

PSLV-C4, launched on 12-Sept-2002, is the seventh flight of Polar Satellite Launch Vehicle (PSLV). It is 44.4 meter tall, 295 metric ton PSLV has four stages using solid and liquid propulsion systems alternately.
The first stage is amongst the largest solid propellant boosters in the world and carries 138 metric tons of Hydroxyl Terminated Poly Butadiene (HTPB) based propellant. It develops a maximum thrust of about 4,628 kilo Newton (kN).
The second stage carries 40 tons of liquid propellant, Unsymmetrical Di-Methyl Hydrazine (UDMH) as fuel and Nitrogen tetroxide (N2O4) as oxidizer. It generates a maximum thrust of about 725 kN.
The third stage of PSLV-C4 uses 7.6 tonne of HTPB-based solid propellant and produces a maximum thrust of 260 kN.
The fourth and the terminal stage of PSLV has a twin engine configuration using liquid propellant loading of 2.5 tons (Mono-methyl hydrazine (MMH) as fuel and Mixed Oxides of Nitrogen as oxidizer),each of these engines generates a maximum thrust of 7.4 kN.

NEET Mock Test - 28 - Question 64

The complex diaquatriammine cobalt (III) chloride is represented as

NEET Mock Test - 28 - Question 65

Which one of the following will not show geometrical isomerism?

NEET Mock Test - 28 - Question 66

Oxidation number of S in H₂S₂O₈ is

NEET Mock Test - 28 - Question 67

Which of the following is not a strong electroyte?

NEET Mock Test - 28 - Question 68

The quantity of electricity required to liberate 112 cm3 of hydrogen at STP from acidified water is

NEET Mock Test - 28 - Question 69

Green house effect was first described by

NEET Mock Test - 28 - Question 70

The metal which cannot be obtained by electrolysis of aqueous solution of its salts is

NEET Mock Test - 28 - Question 71

Pyrolusite is /an

NEET Mock Test - 28 - Question 72

Air at sea level is dense. This is a practical application of

NEET Mock Test - 28 - Question 73

The total pressure exerted by a number of non-reacting gases is equal to the sum of the partial pressure of the gases under the same conditions is known as

NEET Mock Test - 28 - Question 74

Which of the following is most dense?

NEET Mock Test - 28 - Question 75

The element which never acts as reducing agent in a chemical reaction is

NEET Mock Test - 28 - Question 76

Which of the following is the strongest acid?

NEET Mock Test - 28 - Question 77

The ionic product of water will increase if

Detailed Solution for NEET Mock Test - 28 - Question 77

The product of the concentration of hydronium ions and hydroxyl ion in pure water or in any acidic or basic solution is constant at a particular temperature.
It is known as ionic product of water.
It is designated as Kw
The value of Kw increases with the increase in temperature

NEET Mock Test - 28 - Question 78

Gabriel synthesis is used for the preparation of

NEET Mock Test - 28 - Question 79

Increasing order of pka values (pKa = - log ka)  pka of H2O, CH3OH and C6H5O H is :

Detailed Solution for NEET Mock Test - 28 - Question 79

pka

value of H2O is 15.7, C6H5OH is 9.95 and CH3OH is 16 so C6H5OH< H2O <CH3OH

NEET Mock Test - 28 - Question 80

Which of the following is used in asbestos?

NEET Mock Test - 28 - Question 81

Which is not the resonance structure of aniline?

NEET Mock Test - 28 - Question 82

Duma's method involves the determination of nitrogen content in the organic compound in form of

NEET Mock Test - 28 - Question 83

Carbon and hydrogen are estimated by

NEET Mock Test - 28 - Question 84

The oxidation number of carbon in CH₂O is

NEET Mock Test - 28 - Question 85

The molality of a solution having 18g of glucose (mol.wt.=180) dissolved in 500g of water is

NEET Mock Test - 28 - Question 86

A solute is soluble in two immiscible liquids which are present in the mixture. The concentration of the solute in the upper layer will be

NEET Mock Test - 28 - Question 87

Which is absorbed in maximum amount by activated charcoal?

NEET Mock Test - 28 - Question 88

Which of the following properties is not of transition elements ?

NEET Mock Test - 28 - Question 89

9.8 g of H₂SO₄ is present in 2 litres of a solution. The molarity of the solution is

NEET Mock Test - 28 - Question 90

High purity copper metal is obtained by

NEET Mock Test - 28 - Question 91

Calyptra is seen in

NEET Mock Test - 28 - Question 92

Which of the following characteristics of the skeletons of frogs are adaptations for jumping?

NEET Mock Test - 28 - Question 93

Casparian strips contain

NEET Mock Test - 28 - Question 94

Gametophytic generation is dominant in

NEET Mock Test - 28 - Question 95

In meiosis disjunction of chromosomes occurs during

NEET Mock Test - 28 - Question 96

Which of the following shows the aquatic ancestry of bryophytes

NEET Mock Test - 28 - Question 97

Which one ensures maintenance of chromosome number generation after generation ?

NEET Mock Test - 28 - Question 98

Carrier molecules facilitating transport across cell membrane are

NEET Mock Test - 28 - Question 99

An animal having characters of both male and female is

NEET Mock Test - 28 - Question 100

Neutrophils promote adhesion of neutrophils to endothelium, attract other neutrophils, monocytes and eosinophils and dilate capillaries by secreting

NEET Mock Test - 28 - Question 101

In Drosophila sex is determined by

NEET Mock Test - 28 - Question 102

Glucose is

NEET Mock Test - 28 - Question 103

Acetabularia used in hammerling's nucleocytoplasmic experiments is

NEET Mock Test - 28 - Question 104

If Abhishek has type O+ blood, then which of the following is true?

NEET Mock Test - 28 - Question 105

The first case of IVF-ET technique success, was reported by :

NEET Mock Test - 28 - Question 106

Which mineral is essential for coagulation to occur?

NEET Mock Test - 28 - Question 107

In a population, unrestricted reproductive capacity is called as :

NEET Mock Test - 28 - Question 108

This is the method of birth control :

NEET Mock Test - 28 - Question 109

Which of these is a procoagulant?

NEET Mock Test - 28 - Question 110

Goitre can occur as a consequence of all the following except

NEET Mock Test - 28 - Question 111

The importance of ecosystem lies in

NEET Mock Test - 28 - Question 112

In colon, constrictions of its wall form a series of small pockets called

NEET Mock Test - 28 - Question 113

The 10% energy transfer law of food chain was given by

NEET Mock Test - 28 - Question 114

Which of the following correctly matches a digestive enzyme with its source?

NEET Mock Test - 28 - Question 115

During menstruation the level of progesterone in the blood is

NEET Mock Test - 28 - Question 116

In Pinus, male cone bears a large number of

NEET Mock Test - 28 - Question 117