JIPMER Full Mock Test - 12


200 Questions MCQ Test JIPMER 2020: Subject wise and Full Length Mock Tests | JIPMER Full Mock Test - 12


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This mock test of JIPMER Full Mock Test - 12 for NEET helps you for every NEET entrance exam. This contains 200 Multiple Choice Questions for NEET JIPMER Full Mock Test - 12 (mcq) to study with solutions a complete question bank. The solved questions answers in this JIPMER Full Mock Test - 12 quiz give you a good mix of easy questions and tough questions. NEET students definitely take this JIPMER Full Mock Test - 12 exercise for a better result in the exam. You can find other JIPMER Full Mock Test - 12 extra questions, long questions & short questions for NEET on EduRev as well by searching above.
QUESTION: 1

An electric motor operates at 20 r.p.s. What will be the approximate power delivered by the motor, if it supplies a torque of 75 N-m?

Solution:
QUESTION: 2

Light of wave length λ and photon energy 2eV falling on a metal surface produces photoelectrons of maximum velocity V. If the λ is decreased by 25% and the maximum velocity of electron is doubled, the work function of the metal is (in eV)

Solution:
QUESTION: 3

In an ideal parallel LC circuit, the capacitor is charged by connecting it to a.c.d. source, which is then disconnected. The current in the circuit

Solution:
QUESTION: 4

When a resistance of 2 Ω is connected across the terminals of a cell, the current is 0.5 amperes. When the resistance is increased to 5 ohm, the current is 0.25 amperes. The internal resistance of the cell is

Solution:
QUESTION: 5

A particle is moving on a circular path with constant speed, then its acceleration will be

Solution:
QUESTION: 6

If the current is halved in a coil, then the energy stored is how much times the previous value

Solution:
QUESTION: 7

A capacitor is having a capacity of 2 pF. Electric field across the capacitor is changing with a value of 1012 V/s. The displacement current is

Solution:
QUESTION: 8

A 10 m long wire of 20Ω resistance is connected in series with a battery of 3 volt e.m.f. (negligible internal resistance) and a 10Ω resistance. The Potential gradient of wire in volt per meter is

Solution:

Net resistance in series R = 20 + 10 = 30Ω
Current in the circuit i = V/R
= 3/30 = 0.1 A
Fall in potential of a wire
V' = 0.1 x 20 = 2 volt
Hence, potential gradient K = V' /l
= 2/10 = 0.2 V/m

QUESTION: 9

Three capacitors each of capacitance C and of breakdown voltage V are joined in series. The capacitance and breakdown voltage of the combination will be:

Solution:
QUESTION: 10

The capacitance of an isolated spherical conductor of radius 15 cm is

Solution:
QUESTION: 11

If 1000 droplets each of charge q and radius r are mixed to form a big drop, then the potential of big drop, as compared to small droplet will be

Solution:

If the value of potential on each small drop be V and potential on each small drop be V '
V ' = n 2/3 V
⇒ V ' = 1000 2/3 V
⇒ V ' = 10 3 2 3 V = 10 2 V = 100 V

QUESTION: 12

A block of weight 200N is pulled along a rough inclined plane of inclination 45o with the horizontal. If the coefficient of friction is 0.5, the retardation is

Solution:
QUESTION: 13

A man inside an artificial satellite feels weightlessness because the force of attraction due to earth is

Solution:
QUESTION: 14

Relation between the colour and the temperature of a star is given by

Solution:
QUESTION: 15

If the radius of earth's orbit is made 1/4, the duration of an year will become

Solution:
QUESTION: 16

Mean kinetic energy per degree of freedom of gas molecules is

Solution:
QUESTION: 17

In the Young's double slit experiment, the central bright fringe can be identified

Solution:

With white light, the central fninge is white so it can be easily identified

QUESTION: 18

A wire is wound in the form of a solenoid of length and diameter d. When a strong current is passed through the solenoid there is tendency to

Solution:
QUESTION: 19

Two concentric circular coils of ten turns each are situated in the same plane. Their radii are 20 cm and 40 cm and they carry respectively 0.2 A and 0.3 A currents in opposite direction. The magnetic field in tesla at the centre is

Solution:
QUESTION: 20

The magnetic field at the centre of current I carrying loop of radius r, is

Solution:
QUESTION: 21

To shield an instrument from external magnetic field, it is placed inside a cabin made of

Solution:
QUESTION: 22

The field of a short bar magnet at a distance of 1 m on its axial line is 1 oersted. At a distance of 2 m on the same line, the intensity in oersted will be

Solution:
QUESTION: 23

Bernoulli's theorem is based on the law of conservation of

Solution:
QUESTION: 24

A magnet of magnetic moment M is cut into two equal parts. The two parts are placed perpendicular to each other so that their north poles touch each other. The resultant magnetic moment is

Solution:

Magnetic moment of each part = m/2
Resultant magnetic moment of perpendicular magnets = 

QUESTION: 25

The excess pressure inside one soap bubble is three times that of a second bubble. The ratio of the volumes of the first bubble to that of second bubble is

Solution:

QUESTION: 26

A metallic wire is suspended by attaching some weight to it. If α is the longitudinal strain and Y is Young's modulus, then the ratio between elastic potential energy and the energy density is equal to

Solution:
QUESTION: 27

The moment of inertia of a meter scale of mass 0.6 kg about an axis perpendicular to the scale and located at the 20 cm position on the scale in kg m2 is (Breadth of the scale is negligible)

Solution:
QUESTION: 28

A force of 100 dynes acts on mass of 5 gm for 10 sec. The velocity produced is

Solution:
QUESTION: 29

A body falling for seconds covers a distance S equal to that covered in next second. Taking g=10m/s2,S=

Solution:
QUESTION: 30

Number of neutrons in C12 and C14 are

Solution:
QUESTION: 31

Out of the following which has no charge?

Solution:
QUESTION: 32

An astronomical telescope of ten-fold magnification has a length of 44 cm. The focal length of the objective is

Solution:
QUESTION: 33

Find the kinetic energy of the photoelectrons emitted when light of wavelength 4000 Å is incident on a metal of work function 2 eV (find approximately)

Solution:
QUESTION: 34

If a body is released into a tunned dug along the diameter of the earth of radius R₀, it executes the S.H.M. with time period:

Solution:
QUESTION: 35

Relation between the stopping potential V₀ of a metal and the maximum velocity ν of the photoelectrons is

Solution:
QUESTION: 36

Two bullets are fired simultaneously, horizontally and with different speeds from the same place. Which bullet will hit the ground first?

Solution:
QUESTION: 37

Critical angle for light going from medium (i) to (ii) is θ. The speed of light in medium (i) is ν. Then speed in medium (ii) is

Solution:
QUESTION: 38

The astronomical telescope consists of objective and eye-piece. The focal length of the objective is

Solution:
QUESTION: 39

A convex lens of focal length 0.5 m and concave lens of focal length 1 m are combined .The power of resulting lens will be

Solution:
QUESTION: 40

A man with defective eyes cannot see distinctly objects at distances more than 60 cm from his eyes. The power of the lens to be used will be

Solution:
QUESTION: 41

The moment of inertia of a straight thin rod of mass M and length l about an axis perpendicular to its length and passing through its one end, is

Solution:
QUESTION: 42

The period of oscillation of a simple pendulum of constant length at earth surface is T. Its period inside a mine is

Solution:
QUESTION: 43

A body of mass 1kg is executing simple harmonic motion. Its displacement 'y' cm at 't' seconds is given by y = 6 sin (100 t + π ∕ 4) . It maximum kinetic energy is

Solution:
QUESTION: 44

If the drift velocity and mobility of electrons in a semiconductor are represented by ν and μ respectively and the applied electric field is E, then μ is given by

Solution:
QUESTION: 45

P-N junction is said to be forward biased, when

Solution:
QUESTION: 46

The equation of a progressive wave is y = 0.5 sin 2 π [ t/0.004 − x/50 ] where y and x are in cm. The phase difference between two points separated by a distance of 5 cm at any instant is

Solution:
QUESTION: 47

Two resistance thermometers are made, one of the platinum wire and the other of germanium wire. The resistance of both the thermometers are equal at room temperature. The two resistance wires are connected to a battery. Now the two resistance wires are heated to 100oC. The potential drop in the two resistance is measured. Which of the following statement is correct

Solution:

With rise in temp, the resistance of platinum wire increases but of germanium wire decreases.
Since the current is same in the wires, when connected in series, therefore heat produced ∝ R

QUESTION: 48

The pressure of air in a soap bubble of 0.7 cm diameter is 8 mm of water above the pressure outside. The surface tension of the soap solution is

Solution:
QUESTION: 49

If two bulbs of wattage 25 and 30, each rated at 220 volts, are connected in series with a 440 volt supply, which bulb will fuse

Solution:

Safe current through 25 W bulb 


Safe current through 30W blub

This is greater than the safe current for 25W bulb, so it will fuse

QUESTION: 50

If a wire of resistance 20Ω is covered with ice and a voltage of 210 V is applied across the wire, then the rate of melting of ice is

Solution:
QUESTION: 51

The mass of oxygen gas occupying a volume of 11.2 litres at a temperature 27oC and a pressure of 760 nm of mercury in kilograms is (Molecular weight of oxygen =32)

Solution:
QUESTION: 52

Which of the following p-V diagrams best represents an isothermal process ?

Solution:
QUESTION: 53

In a reversible isochoric change

Solution:
QUESTION: 54

The physical quantities not having same dimensions are

Solution:
QUESTION: 55

S.I. unit of luminous intensity is

Solution:
QUESTION: 56

If wavelength of a photon is 6000 Å, then energy of this photon will be

Solution:
QUESTION: 57

The wave theory of light was given by

Solution:
QUESTION: 58

The speed of transverse vibrations in a stretched string is 700 cm/s. If the string is 2 m long, the frequency with which it resonates in fundamental mode is

Solution:
QUESTION: 59

A wave is reflected from a rigid support. The change in phase on reflection will be

Solution:
QUESTION: 60

A rod elongates by l when a body of mass M is suspended from it. The work done is

Solution:
QUESTION: 61

Which of the following compounds does not form an ozonide?

Solution:
QUESTION: 62

In its reaction with silver nitrate acetylene shows

Solution:
QUESTION: 63

An alkyl chloride produces a single alkene on reaction with sodium ethoxide and ethanol. The alkene further undergoes hydrogenation to yeild 2-methylbutane. Identify the alkyl chloride from amongest the following :

Solution:
QUESTION: 64

Brown ring test is used to detect

Solution:
QUESTION: 65

The homologue of ethyne is

Solution:

C2H2 is Ethyne (homologue of alkyne)
C3H4 is propyne (homologue of alkyne)
C3H8 → propane (homologue of alkane)
C2H6 → Ethane (homologue of alkane)

QUESTION: 66

The electrons present in K-shell of the atom will differ in

Solution:
QUESTION: 67

Which of the following ions has the maximum magnetic moment?

Solution:
QUESTION: 68

If principal quantum no. of atom is 3, then its azimuthal quantum number is

Solution:
QUESTION: 69

The alkyl halide is converted into ethyl alcohol by

Solution:
QUESTION: 70

The shape of H₃O⁺ ion is

Solution:
QUESTION: 71

The bond order of a molecule is given by

Solution:
QUESTION: 72

The values of Kp1 and Kp2 for the reactions

are in the ratio of 9:1. If degree of dissociation of X and A be equal, then total pressure at equilibrium (1) and (2) are in the ratio:

Solution:
QUESTION: 73

For a reaction to occur spontaneously,

Solution:
QUESTION: 74

Which statement is wrong among the following?

Solution:
QUESTION: 75

In an endothermic reaction, the value of ∆H is

Solution:
QUESTION: 76

The heat of formation of CO(g) and CO2(g) are Δ H = − 110 and Δ H = − 393 KJ-mol-1 respectively. What is the heat of reaction ( Δ H ) (in KJ-mol-1) for the following reaction CO g + 1/2 O2  g → CO2 g

Solution:

QUESTION: 77

Medicine which is an antibiotic is

Solution:
QUESTION: 78

Which of the following will be have a meso isomer also ?

Solution:
QUESTION: 79

Which of the following has highest first ionization potential?

Solution:

Nitrogen has highest first ionization potential. This is because N contains exactly half-filled p-orbitals which is extra stable. hence its first ionisation potential is high.

QUESTION: 80

Some salts although containing two different metallic elements give test for only one of them in solution. Such salts are

Solution:
QUESTION: 81

The e.m.f. of a galvanic cell with electrode potentials of Al equal to -1.66 V and that of Mg equal to - 0.54 V is

Solution:

E.M.F. can be positive only if oxidation takes place at Mg-electrode. But here the reduction reaction takes place.

QUESTION: 82

All the following substances react with water. The pair that yields the same gaseous product is

Solution:
QUESTION: 83

A container contains 1 mole of a gas at 1 atm pressure and 27oC, and its volume is 24.6 ltres. If pressure is 10 atm and temperature 327oC, then new volume is approximately

Solution:
QUESTION: 84

Which of the following mixture of gases does not obey Dalton's law of partial pressure ?

Solution:
QUESTION: 85

What are the products formed when Li₂CO₃ undergoes decomposition?

Solution:
QUESTION: 86

Cl2O7 is an anhydride of

Solution:
QUESTION: 87

Freon-12 is used as a

Solution:
QUESTION: 88

What is the hybridisation state of the central atom in the conjugate base of NH₄⁺ ion ?

Solution:
QUESTION: 89

AlCl₃ exist as dimer because

Solution:
QUESTION: 90

Which among CH₄, SiH₄, GeH₄ and SnH₄ is most volatile?

Solution:
QUESTION: 91

Which of the following reaction involves oxidation and reduction?

Solution:
QUESTION: 92

One which is not dissolved by dilute hydrochloric acid is

Solution:
QUESTION: 93

The concept that acid is proton donor and base is proton acceptor was given by

Solution:
QUESTION: 94

Highest pH (14) is shown by

Solution:
QUESTION: 95

To a solution containing equimolar mixture of sodium acetate and acetic acid, some more amount of sodium acetate solution is added. The pH of mixture solution

Solution:
QUESTION: 96

Action of water or dilute mineral acids on metals can give

Solution:
QUESTION: 97

Among the following the strongest acid is

Solution:
QUESTION: 98

Which of the following will show geometrical isomerism?

Solution:
QUESTION: 99

Which of the following are the end products of uranium and actinium series?

Solution:
QUESTION: 100

Which of the following compounds is used as a refrigerant?

Solution:
QUESTION: 101

An organic compound 'X' on treatment with acidified K₂Cr₂O₇ gives a compound 'Y' which reacts with I₂ and sodium carbonate to form Triodomethane. The compound 'X' is

Solution:
QUESTION: 102

A magnet will cause the greatest deflection of

Solution:
QUESTION: 103

Acrolein is prepared from

Solution:
QUESTION: 104

Wacker's method involves the conversion of alkene using PdCl₂ into corresponding

Solution:
QUESTION: 105

The addition of HBr to alkenes in the presence of peroxides is called :

Solution:
QUESTION: 106

The reaction of O₂ with sodium phenoxide at 400 K results in

Solution:
QUESTION: 107

The formula dichlorobis (urea) copper (II) is

Solution:
QUESTION: 108

Conc. HNO3  forms NO2+  in presence of :

Solution:
QUESTION: 109

Nylon thread are made of

Solution:
QUESTION: 110

In Kjeldahl's method ,nitrogen present is estimated as

Solution:
QUESTION: 111

The solid NaCl is a bad conductor of electricity since

Solution:
QUESTION: 112

When KMnO₄ acts as an oxidising agent and ultimately forms MnO₄2- , MnO₂, Mn₂O₃ and Mn+2, then the number of electrons transferred in each case is

Solution:
QUESTION: 113

In which of the following compounds transition metal is in zero oxidation state?

Solution:
QUESTION: 114

Benzoic acid undergoes dimerisation in benzene solution. The Vant's Hoff factor 'i' is related to the degree of dissociation 'α' of the acid as

Solution:

QUESTION: 115

Of the following compounds, which will have zero dipole moment?

Solution:
QUESTION: 116

The normality of a 2.3 M sulphuric acid solution is

Solution:
QUESTION: 117

If a beam of light is passed through a true solution, then it

Solution:
QUESTION: 118

Study the following table

Which two compounds have least weight of oxygen (molecular weight compounds are given in brackets)

Solution:

%O = wt of organic compound/gram molecular wt of compound x 100

QUESTION: 119

Bell metal is an alloy of

Solution:
QUESTION: 120

The equivalent weight of KMnO₄ (formula weight = M) when it is used as an oxidant in neutral medium is

Solution:
QUESTION: 121

Natural parthenogenesis is found in

Solution:
QUESTION: 122

The opening of the upper chamber of the heart into the lower chamber is known as

Solution:
QUESTION: 123

Number of chromosome groups at equatorial plate of metaphase I of a plant body having 2n = 50 chromosomes shall be

Solution:
QUESTION: 124

The stem cells that give rise to all red blood cells, white blood cells, and platelets are known as:

Solution:
QUESTION: 125

Penetrants or stenoteles are the nematocysts of Hydra, of these

Solution:
QUESTION: 126

Which type of condition is directly related to bone marrow suppression?

Solution:
QUESTION: 127

E. coli are beneficial to humans because they

Solution:
QUESTION: 128

When salivary amylase enters the stomach, it becomes

Solution:
QUESTION: 129

Mahgany wood is obtained from the plants of family

Solution:
QUESTION: 130

Coir is the commercial product of coconut's

Solution:
QUESTION: 131

Which of the following wood is used in making cricket bats?

Solution:
QUESTION: 132

Cinchona is obtained from

Solution:
QUESTION: 133

Bordeaux mixture is a fungicide, which consists of

Solution: Bordeaux mixture. Bordeaux mixture (also called Bordo Mix) is a mixture of copper(II) sulfate (CuSO4) and slaked lime (Ca(OH)2) used as a fungicide. It is used in vineyards, fruit-farms and gardens to prevent infestations of downy mildew, powdery mildew and other fungi.
QUESTION: 134

Cast nets are used to catch

Solution:
QUESTION: 135

Hypophysis is the alternate name of

Solution:
QUESTION: 136

A treeless biome is

Solution:
QUESTION: 137

The pyramid of number in grassland ecosystem, is

Solution:
QUESTION: 138

The major forest type found in India is

Solution:
QUESTION: 139

Implantation of fertilised egg or young embryo occurs under the influence of

Solution:
QUESTION: 140

The amino acid substituted in sickle-cell anaemia is :

Solution:
QUESTION: 141

Two individuals with similar external appearance but different genetic make up have the similar

Solution:
QUESTION: 142

DNA replication occurs

Solution:
QUESTION: 143

It is matter of common observation that monocots and dicots have one and two cotyledons respectively but in gymnosperms the number of cotyledons are -

Solution:
QUESTION: 144

Mendel's work was got republished in 'Flora' by

Solution:
QUESTION: 145

According to recent studies, the most thickly populated country in the world is

Solution:
QUESTION: 146

A common characteristic of all vertebrates is

Solution:
QUESTION: 147

Sedatives and tranquillisers are also called

Solution:
QUESTION: 148

Between the osseous and membranous labyrinths is present a fluid called

Solution:
QUESTION: 149

Deficiency of vatimn A in the body results in insufficent rhodopsin in the rods which leads to

Solution:
QUESTION: 150

Lymph formed in your right hand will eventually drain into the:

Solution:
QUESTION: 151

The red pulp of the spleen functions to _____.

Solution:
QUESTION: 152

Which one of the following animals belongs to class Scaphorpoda?

Solution:
QUESTION: 153

The example of Marsupialia is:

Solution:
QUESTION: 154

Which of the following is an example of biotic resource of energy?

Solution:
QUESTION: 155

Minerals absorbed by roots move to the leaf through

Solution:
QUESTION: 156

Presence of organic substances in the phloem can be demonstrated by means of

Solution:
QUESTION: 157

Aristotle classified the animals into which of the following groups ?

Solution:
QUESTION: 158

Chemosynthesis and photosynthesis are similar in being

Solution:
QUESTION: 159

Indian Telegraph Plant is

Solution:
QUESTION: 160

Parthenocarpy can be achieved by

Solution:
QUESTION: 161

Nitrogen fixation occurs in

Solution:
QUESTION: 162

In which one of the following pathogens do the cells of promycelium after the germination of teleutospore produce infection hyphae instead of basidiospores?

Solution:
QUESTION: 163

The recent increase in food production is due to

Solution:
QUESTION: 164

Which of the following is not used for the disinfection of drinking water?

Solution:
QUESTION: 165

The two great industrial tragedies namely, MIC and chernobyl, respectively occured where and when?

Solution:
QUESTION: 166

A sponge can be distinguished by the presence of

Solution:
QUESTION: 167

Vascular tissue is derived from

Solution:
QUESTION: 168

Number of nuclei participating in double fertilization is

Solution:
QUESTION: 169

When funiculum, embryo sac, chalaza and micropole lie in one straight line and ovule is called

Solution:
QUESTION: 170

Eye of Potato is

Solution:
QUESTION: 171

Cytochrome is

Solution:
QUESTION: 172

Ethanol is formed from acetaldehyde by an enzyme called

Solution:
QUESTION: 173

Alveoli would not be characterised as

Solution:
QUESTION: 174

Which of the following is caused by the contraction of the diaphragm?

Solution:
QUESTION: 175

Following are assertion and reason. What is correct combination. Assertion. periplanata americana is nocturnal, omnivorous, household pest. Reason. It is because it acts as scanvenger

Solution:
QUESTION: 176

Hearts of Pheretima are situated in the segments

Solution:
QUESTION: 177

Most of the blood glucose entering the nephron returns to the plasma by the process of

Solution:
QUESTION: 178

Blood entering the kidney is filtered by the

Solution:
QUESTION: 179

Stomata of CAM plants