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# NEET Mock Test - 5 (16-02-2020)

## 180 Questions MCQ Test NEET Mock Test Series 2020 & Past Year Papers | NEET Mock Test - 5 (16-02-2020)

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This mock test of NEET Mock Test - 5 (16-02-2020) for NEET helps you for every NEET entrance exam. This contains 180 Multiple Choice Questions for NEET NEET Mock Test - 5 (16-02-2020) (mcq) to study with solutions a complete question bank. The solved questions answers in this NEET Mock Test - 5 (16-02-2020) quiz give you a good mix of easy questions and tough questions. NEET students definitely take this NEET Mock Test - 5 (16-02-2020) exercise for a better result in the exam. You can find other NEET Mock Test - 5 (16-02-2020) extra questions, long questions & short questions for NEET on EduRev as well by searching above.
QUESTION: 1

Solution:
QUESTION: 2

Solution:
QUESTION: 3

### In the phenomenon of electric discharge through gases at low pressure, the coloured glow in the tube appears as a result of

Solution:
QUESTION: 4

If Planck's constant is given as 6.4 x 10 − 34 J − sec, and electron charge is 1.6 x 10−19 coulomb, the minimum wave length of X - rays emitted, when a 10 KeV electron is completely stopped by a target is

Solution:
QUESTION: 5

In a given network, each resistance has value of 6 Ω. The point X is connected to point A by a copper wire of negligible resistance and point Y is connected to point B by the same wire. The effective resistance between X and Y will be Solution:
QUESTION: 6

When yellow light incident on a surface no electrons are emitted while green light can emit. If red light is incident on the surface then

Solution:
QUESTION: 7

Two resistances are joined in parallel whose resultant is 6/8 ohm. One of the resistance wire is broken and the effective resistance becomes 2Ω. Then the resistance in ohm of the wire that got broken was

Solution:
QUESTION: 8

Which quantity is fixed of an object which moves in a horizontal circle at constant speed?

Solution:
QUESTION: 9

Who indirectly determined the mass of the electron by measuring the charge of the electron ?

Solution:
QUESTION: 10

Monochromatic light of frequency f incident on emitter having threshold frequency f0. The kinetic energy of ejected electron will be

Solution:
QUESTION: 11

If the momentum of a photon is p, then its frequency is

Solution:
QUESTION: 12

A coil has 1000 turns and 500 cm2 as its area. The plane of the coil is placed at right angles to a magnetic induction field of 2 x 10 − 5 web ∕ m2. The coil is rotated through 180° in 0.2 seconds. The average e.m.f. induced in the coil, in millivolts is

Solution:
QUESTION: 13

Maxwell's equation describe the fundamental laws of

Solution:
QUESTION: 14

The difference between soft and hard X-rays is

Solution:
QUESTION: 15

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

Solution:
QUESTION: 16

There is a uniform electric field of strength 103v/m along y axis.A body of mass 1gm and charge 10-6C is projected into the field from origin along the positive x-axis with a velocity 10m/s.Its speed in m/s after 10s is (neglect air resistance)

Solution:
QUESTION: 17

If the radius of the earth were to shrink by 1% its mass remaining same, the acceleration due to gravity on the earth's surface would

Solution:
QUESTION: 18

Mode of transmission of heat, in which heat is carried by the moving particles, is

Solution:
QUESTION: 19

The root mean square velocity of hydrogen molecules at 300 K is 1930 m/s. Then the r.m.s. velocity of oxygen molecules at 1200 K will be

Solution:
QUESTION: 20

A block of mass 10 kg is placed on a rough horizontal surface having coefficient of friction μ = 0.5. If a horizontal force of 100 N is acting on it, then acceleration of the block will be (Take g = 10 m−s⁻2)

Solution:
QUESTION: 21

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 current in opposite direction. The magnetic field in telsa at the centre is

Solution:
QUESTION: 22

When 2 A current is passed through the coil of a tangent galvanometer, it gives a deflection of 45°. For 60° deflection, the current must be

Solution:
QUESTION: 23

A wire of length 2 m carrying a current of 1 A is bent to form a circle, the magnetic moment of the coil is

Solution:
QUESTION: 24

The surface tension of soap solution is 25x10⁻3 N-m⁻1. The excess pressure inside a soap bubble of diameter 1 cm is

Solution:
QUESTION: 25

Which of the following affets the elasticity of a substance?

Solution:
QUESTION: 26

In carbon cycle of fusion

Solution:
QUESTION: 27

After two hours, 1/16 of the initial amount of a certain radioactive isotope remains undecayed. The half life of the isotope is

Solution:
QUESTION: 28

Two radioactive substances A and B have decay constants 5 λ and λ respectively. At t = 0 they have the same number of nuclei. The ratio of number of nuclei of A to those of B will be (1/e)2 after a time interval

Solution:
QUESTION: 29

A particle is having kinetic energy 1/3 of the maximum value at a distance of 4 cm from the mean position. Find the amplitude of motion

Solution:
QUESTION: 30

A ray is incident on an equilateral prism of μ = 2 such that ray inside the prism goes parallel to the base. Find angle of minimum deviation?

Solution:
QUESTION: 31

A ray of light is incident on one of the refracting faces of an equilateral prism, at an angle of incidence 48 ° , in the minimum deviation position. The angle of deviation produced by the prism is

Solution:
QUESTION: 32

A person standing on a rotating platform has his hands lowered. He suddenly outstretches his arms. The angular momentum

Solution:
QUESTION: 33

When the potential energy of a particle executing simple harmonic motion is one-fourth of its maximum value during the oscillation, the displacement of the particle from the equilibrium position in terms of its amplitude a is

Solution:
QUESTION: 34

A disc is of mass M and radius r. The moment of inertia of it about an axis tangential to its edge and in plane of the disc or parallel to its diameter is

Solution:
QUESTION: 35

p-type crystal of a p-n junction diode is connected to a positive terminal of battery and n-type crystal connected to negative terminal of battery

Solution:
QUESTION: 36

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

Solution:
QUESTION: 37

The equation of state for n moles of an ideal gas is PV = nRT, where R is a constant. The SI unit for R is

Solution:
QUESTION: 38

Two electric bulbs rated P₁ watt V volts and P₂ watt V volts are connected in parallel and V volts are applied to it. The total power will be

Solution:
QUESTION: 39

Two rods of the same length and diameter having thermal conductivities K1 and K2 are joined in parallel. The equivalent thermal conductivity of the combination is

Solution:
QUESTION: 40

Calcorimeters are made of which of the following

Solution:
QUESTION: 41

The relation between time the displacement for two particles is given by y₁ = 0.06 sin 2π (0.04t + φ₁) and y₂ = 0.03 sin 2π (1.04t + φ₂) The ratio of the intensity of the waves produced by the vibrations of the two particles will be

Solution:
QUESTION: 42

A transverse wave is represented by the equation y = y₀ sin 2π/λ (νt - x). for what value of λ is the maximum particle velocity equal to two times the wave velocity?

Solution:
QUESTION: 43

A boy comes running and sits on a rotating platform. What is conserved ?

Solution:
QUESTION: 44

A heavy body moving with a velocity 30 m/s and another small object at rest undergoes an elastic collision. The later will move with a velocity of

Solution:
QUESTION: 45

The average power required to lift a 100 kg mass through a height of 50 mts in approximately 50 seconds would be

Solution:
QUESTION: 46

Which of the following is most acidic?

Solution:
QUESTION: 47

Aldehydes and ketones do not give addition reaction with

Solution:
QUESTION: 48

An orbital in which n = 4 and l = 2 is expressed by

Solution:
QUESTION: 49

Which of the following is not isoelectronic?

Solution:
QUESTION: 50

Which of the following is the strongest nucleophile?

Solution:

A negatively charged nucleophile is always stronger than a neutral one

QUESTION: 51

Which of the following does not show electromeric effect?

Solution:
QUESTION: 52

Alpha-Tocopherol is found in

Solution:
QUESTION: 53

The final product 'C' in the above reaction is Solution:
QUESTION: 54

The decreasing order of the boiling points of the following hydrides is

(i) NH3 (ii) PH3 (iii) AsH3 (iv) SbH(v) H2O

Solution:
QUESTION: 55

The bond angle around O in ice is closer to

Solution:
QUESTION: 56

The heat of formation of CO₂ is -94 Kcal mol⁻1 whereas ΔH for 2CeO₂ → 2CO is -110.5 Kcal,The enthalpy of combustion carbon is

Solution:
QUESTION: 57

For exothermic reactions to be spontaneous

Solution:
QUESTION: 58

The chemical equilibrium of a reversible reaction is not influenced by

Solution:
QUESTION: 59

The decomposition of a substance follows first order kinetics. If its conc. is reduced to 1/8 th of its initial value, in 24 minutes, the rate constant of decomposition process is

Solution:
QUESTION: 60

Hess's law deals with

Solution:
QUESTION: 61

Given the bond energies of N ≡ N , H − H and N − H bonds as 941.5, 433 and 391 kJ mole-1 respectively, the enthalpy of reaction N2(g) + 3H2(g)  → 2 NH3 (g) is

Solution:

Enthalpy of reaction = ∑ bond energyreactant - ∑ bond energyproduct
= bond energy (n2) + 3 x (bond energy) (h2) - 2 x (bond energy) (NH3)
= 941.5 + (3 x 433) - 2 x 3 x 391
= 2240.5 - 2346 = 105.4 ≅ -105kJ

QUESTION: 62

Which one of the following does not have sp2 hybridised carbon ?

Solution:
QUESTION: 63

The rotenone is

Solution:
QUESTION: 64

A solution of potassium ferrocyanide would contain..........ions

Solution:
QUESTION: 65

CN⁻ is a strong field ligand. It is due to the fact

Solution:
QUESTION: 66

Two platinum electrodes were immersed in a solution of CuSO₄ and electric current was passed through the solution. After sometimes it was found that colour of CuSO₄ disappeared with evolution of gas at the electrode. The colourless solution contains

Solution:
QUESTION: 67

Both oxidation and reduction takes place in which of the following reaction?

Solution: Here the oxidation of hydrogen at reactant side is 0 and of bromine is also 0 and u can clearly see at product side the oxidation of state of hydrogen changes to +1 which shows oxidation and bromine changes to - 1 which shows reduction And we know that loss of electron is oxidation and gain of electron is reduction. We can simply say when oxidation no increses is oxidation And decrease in oxidation no is reduction.
QUESTION: 68

Which one of the following metals will not reduce H2O?

Solution:
QUESTION: 69

The major proportion of carbon monoxide present in the atmosphere is due to

Solution:
QUESTION: 70

Which of the following has the highest conductivity?

Solution:
QUESTION: 71

Calcium is obtained by the

Solution:
QUESTION: 72

The van der Waal's equation explains the behaviour of

Solution:
QUESTION: 73

Pressure remaining constant at what temperature, the volume of a gas will be double of its volume at 0°C ?

Solution:
QUESTION: 74

Composition of glass is

Solution:
QUESTION: 75

The shape of the molecule SF₃Cl₃ is

Solution:
QUESTION: 76

Buffer solution can be obtained by mixing aqueous solution of

Solution:
QUESTION: 77

What is the conjugate base of OH⁻?

Solution:
QUESTION: 78

Which of the following amine will not respond to carbylamine reaction ?

Solution:
QUESTION: 79

Which of the following compounds can react with the Lewis base Cl in a Lewis acid-base reaction?

Solution:
QUESTION: 80

Select correct statement(s)for the following reaction : Solution:
QUESTION: 81

Polymer used in bullet proof glass is

Solution:
QUESTION: 82

If 0.2 gram of an organic compound containing carbon,hydrogen and oxygen on combustion ,yielded 0.147 gram carbon dioxide and 0.12 gram water.What will be the content of oxygen in the substance ?

Solution:
QUESTION: 83

If a sample of an organic substance is heated strongly with soda-lime in a test tube, then ammonia is evolved. It indicates the presence of

Solution:
QUESTION: 84

Oxidation number of Mn in K₂MnO₄ and MnSO₄ are respectively

Solution:
QUESTION: 85

Which of the following has highest osmotic pressure ?

Solution:

NaCl is an electrolyte which dissociates to give ions.
NaCl → Na+ + Cl
∴ concentration of ions in the solution = 2 M. Whereas glucose, sucrose and urea are non-electrolytes. Thus, NaCl has maximum concentration and highest osmotic pressure.

QUESTION: 86

In an experiment, 1 g of a non-volatile solute was dissolved in 100 g of acetone (mol.weight=58) at K. The vapour pressure of the solution was found to be 192.5 mm of Hg. The molecular weight of the solute is (vapour pressure of acetone = 195 mm of Hg)

Solution:
QUESTION: 87

Which of the following is most effective in causing the coagulation of ferric hydroxide sol?

Solution:
QUESTION: 88

Which one of the following shows highest magnetic moment?

Solution:
QUESTION: 89

On heating sodium metal in dry ammonia, the compound formed is

Solution: Thus in this reaction, sodium amide (NaNH2) is formed.

QUESTION: 90

Formation of interstitial compound makes the transition metal

Solution:
QUESTION: 91

Algae that are present in water with temperature upto 100°C are known

Solution:
QUESTION: 92

Frog's kidney is

Solution:
QUESTION: 93

In meiosis, centromere divides during

Solution:
QUESTION: 94

Solution:
QUESTION: 95

In synapsis, two homologous chromosomes are connected at

Solution:
QUESTION: 96

In which cell types of Funaria, reduction division takes place

Solution:
QUESTION: 97

Which among the following was named after the Italian Botanist F.Ricci?

Solution:
QUESTION: 98

Average thickness of unit membrane is

Solution:
QUESTION: 99

Edward's syndrome characterised by mental deficiency is caused by trisomy of chromosome

Solution:
QUESTION: 100

Amino acids are produced from

Solution:
QUESTION: 101

Glyoxylate cycle plays an important role in the conversion of

Solution:
QUESTION: 102

Which of these factors will increase the RBC or RCC?

Solution:
QUESTION: 103

A male human is heterozygous for autosomal for haemophilic gene h. What proportion of sperms will carry abh.

Solution:
QUESTION: 104

In the resting person, saturation of haemoglobin as blood leaves the tissue capillaries is approximately

Solution:
QUESTION: 105

Which of the following causes abortion in ladies ?

Solution:
QUESTION: 106

Select the statement about red blood cells that is incorrect.

Solution:
QUESTION: 107

Tubectomy, a method of population control, is performed on :

Solution:
QUESTION: 108

Progesterone is generally present in contraceptive pills. Its function is to :

Solution:
QUESTION: 109

Which gastrointestinal layer is characterized by having tough, fibrous connective tissue?

Solution:
QUESTION: 110

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

Solution:
QUESTION: 111

The majority of the absorption of digested nutrients occurs in the:

Solution:
QUESTION: 112

Concept of life forms was given by

Solution:
QUESTION: 113

Weathering of rocks makes phosphorus available to first

Solution:
QUESTION: 114

Enzyme activity is facilitated through

Solution:
QUESTION: 115

Renin is

Solution:
QUESTION: 116

Brain sand is found in

Solution:
QUESTION: 117

Endoenzymes generally act at

Solution:
QUESTION: 118

Algal zone cavities are situated in apogeotropic roots of Cycas in

Solution:
QUESTION: 119

Gymnosperms lack fruit because they lack-

Solution:
QUESTION: 120

Which is direct ancestor of Homo sapiens?

Solution:
QUESTION: 121

A dihybrid for qualitative trait ia crossed with homozygous recessive individual of its type, the phenotypic ratio is :

Solution:
QUESTION: 122

Total population of 800 individuals which formed F₂ population (9:3:3:1) of a cross between yellow round and green wrinkled. Find the number of plants with yellow and wrinkled seeds

Solution:
QUESTION: 123

A heterozygous indivdual is crossed with a homozygous dominant parent, it is a

Solution:
QUESTION: 124

Lysis of foreign cells is mediated through

Solution:
QUESTION: 125

Interferon suppresses the pathogenicity of

Solution:
QUESTION: 126

Immunoglobin found in serum is

Solution:
QUESTION: 127

Rheoreceptors are receptors for

Solution:
QUESTION: 128

Solution:
QUESTION: 129

Blood group is due to

Solution:
QUESTION: 130

Plants that act as indicators of SO pollution in the atmosphere are

Solution:
QUESTION: 131

Star fish belongs to

Solution:
QUESTION: 132

Little leaf disease of Brinjal is caused by an

Solution:
QUESTION: 133

Mycoplasma causes a disease

Solution:
QUESTION: 134

Which is the role of molybdenum

Solution:
QUESTION: 135

Solution: Lipids are actually triglycerides .a triglyceride consist of glycerol and fatty acids which are held together by Ester linkages in condensation reaction releasing three water molecules.
QUESTION: 136

Oxygen carring respiratory pigment of cockroach is

Solution:
QUESTION: 137

In cockroach, oxygen is transported to the tissues of the body by

Solution:
QUESTION: 138

Microelements function as

Solution:
QUESTION: 139

In earthworm setae occur in all segments except

Solution:
QUESTION: 140

In Pheretima septa do not occur in

Solution:
QUESTION: 141

An oxidative phosphorylation in plant cell, occurs in

Solution:
QUESTION: 142

Nodulus type of adventitious roots are characteristic of

Solution:
QUESTION: 143

Identify the plant in which the roots hang in air and have spongy tissue

Solution:
QUESTION: 144

A function of enzymes is to

Solution:
QUESTION: 145

Which one pair of plants out of the following derive nitrogen from insects?

Solution:
QUESTION: 146

Maximum quantity of humus occurs in

Solution:
QUESTION: 147

Identify the perennial plant

Solution:
QUESTION: 148

An important example of serendipity is

Solution:
QUESTION: 149

The fish Lepidosiren belongs to the country :

Solution:
QUESTION: 150

Modified antibiotics are manufactured by the technique of

Solution:
QUESTION: 151

Apart from streptococcus lactus the enzyme rennin (prepared from calve\'s stomach) is added in the manufacture of

Solution:
QUESTION: 152

Humus is good for plant growth because

Solution:
QUESTION: 153

Which of the following is a green manure?

Solution:
QUESTION: 154

A concentric vascular bundle is one in which of the following

Solution:
QUESTION: 155

Plant medium used widely in preparation of culture medium is got from

Solution:
QUESTION: 156

The term ' humulin ' is used for

Solution:
QUESTION: 157

The bubbles arise in dough due to

Solution:
QUESTION: 158

Genetically engineered crop which has been recently introduced in India is

Solution:
QUESTION: 159

Lignified cell wall occurs in

Solution:
QUESTION: 160

Bladderworm stage of Taenia solium is

Solution:
QUESTION: 161

In Minamata Bay of Japan, the animals which remained free from Minamata disease, are

Solution:
QUESTION: 162

What is the intensity of sound in normal conversation?

Solution:
QUESTION: 163

Competition is severe in a population that has a distribution

Solution:
QUESTION: 164

The aggregate of processes that determine the size and composition of any population is known as

Solution:
QUESTION: 165

Atmosphere of big/metropolitan cities is polluted most by

Solution:
QUESTION: 166

Plant part having two generations, one within the other is

Solution:
QUESTION: 167

When gynoecium is present in the topmost position of thalamus, the flower is known as

Solution:
QUESTION: 168

Amino acids are formed during digestion of

Solution:
QUESTION: 169

Milky water of green coconuts is

Solution:
QUESTION: 170

When testosterone levels in a man’s bloodstream decrease

Solution:
QUESTION: 171

The character found only in halophytes is

Solution:
QUESTION: 172

Cucurbitaceae has plant yielding a vegetable fruits what is the position of this family in Bentham and Hooker classification-

Solution:
QUESTION: 173

Increased secretion of FSH (follicle-stimulating hormone) will result in increased production of

Solution:
QUESTION: 174

Which hormone triggers the release of the egg from the developing follicle?

Solution:
QUESTION: 175

Antrum is filled with fluid and is found in

Solution:
QUESTION: 176

Inferior ovary is in one of the follwing-

Solution:
QUESTION: 177

Which hormone is released when the salt concentration in the blood increases?

Solution:
QUESTION: 178

Movement of fluids from the glomerulus’s to Bowman’s capsule is due to

Solution:
QUESTION: 179

The sequence of structures that urea passes through in the nephron is

Solution:
QUESTION: 180

Which of the following metabolic wastes is excreted by the skin?

Solution: