NEET Mock Test - 33


180 Questions MCQ Test NEET Mock Test Series & Past Year Papers | NEET Mock Test - 33


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This mock test of NEET Mock Test - 33 for NEET helps you for every NEET entrance exam. This contains 180 Multiple Choice Questions for NEET NEET Mock Test - 33 (mcq) to study with solutions a complete question bank. The solved questions answers in this NEET Mock Test - 33 quiz give you a good mix of easy questions and tough questions. NEET students definitely take this NEET Mock Test - 33 exercise for a better result in the exam. You can find other NEET Mock Test - 33 extra questions, long questions & short questions for NEET on EduRev as well by searching above.
QUESTION: 1

A step up transformer connected to a 220 V AC line is to supply 22 kV for a neon sign in secondary circuit. In primary circuit a fuse wire is connected which is to blow when the current in the secondary circuit exceeds 10mA. The turn ratio of the transformer is

Solution:
QUESTION: 2

An electron and a proton have the same wave length. Which one of the following statements is correct about them?

Solution:
QUESTION: 3

Evidence for the wave nature of light cannot be obtained from

Solution:
QUESTION: 4

Emission of electrons in the photoelectric effect is possible, if

Solution:
QUESTION: 5

A heavy mass is attached to a thin wire and is whirled in a vertical circle. The wire is most likely to break

Solution:
QUESTION: 6

If there is an increase in length by 0.1% due to stretching, the percentage increase in its resistance willbe

Solution:
QUESTION: 7

A 2 Ω resistor is connected inseries with R Ω resistor. This combination is connected across a cell. When the potential difference across 2 Ω resistor is balanced on a potentiometer wire, null point is obtained at a length of 300 cm. When the same procedure is repeated for R Ω resistor, null point is obtained at a length of 350 cm . Value of R is

Solution:

For only R=2Ω

Balance Length L=300cm

For RΩ resistance in series

Req​=(2+R)Ω

Balance length L=350cm

From the potentiometer principal,

2=0.85(2+R)

2=1.7+0.85R

0.3=0.85R

R=2.8Ω

QUESTION: 8

An electron remains undeflected when passing perpendicular to mutually perpendicular electric and magnetic fields. If the magnetic field is 8 Gauss and elecric field is 4000 V/m, the velocity of the electron is

Solution:
QUESTION: 9

In a discharge tube at 0.2 mm of Hg pressure, there is a formation of

Solution:
QUESTION: 10

Which of the following is true for photon

Solution:
QUESTION: 11

The de-Broglie wavelength of an electron in the first Bohr orbit is

Solution:
QUESTION: 12

Which of the following electromagnetic waves have the smallest wavelength?

Solution:
QUESTION: 13

Which of the following radiations has the least wavelength?

Solution:
QUESTION: 14

An L.C. circuit contains 10 mH inductor and a 25 μ F capacitor. The resistance of the circuit is negligible. The energy stored in the circuit is completely magnetic at time (in milli seconds) being measured from the instant when the circuit is closed

Solution:

When R is negigible,

Therefore, t = 1.57, 4.71, 7.85 ... milli sec

QUESTION: 15

At a point A, there is an electric field of 500 V-m⁻1 and potential difference of 3000 V. The distance between the point charge and the point A is

Solution:
QUESTION: 16

The escape velocity of an object on a planet whose radius is 4 times that of the earth and acceleration due to gravity 9 times that on the earth is

Solution:
QUESTION: 17

Two capacitors of capacity 4 μF and 6 μF are connected in series and a battery is connected to the combination the energy stored is E1. If they are connected in parallel and if the same battery is connected to this combination the energy stored is E2. The ratio of E1 and E2 is

Solution:

As the capacitors are connected in series

QUESTION: 18

A gas exerts pressure on the walls of the container, because the gas molecules

Solution:
QUESTION: 19

A stone of mass m is tied to a string and is moved in vertical circle of radius r making n revolutions per minute. The total tension in the string when the stone is at lowest point is

Solution:
QUESTION: 20

A body takes 5 minutes for cooling from 50°C to 40°C. Its temperature comes down to 33.33°C in next 5 minutes. Temperature of surroundings is

Solution:

QUESTION: 21

A rectangular loop carrying current i is placed in a uniform magnetic field B. The area enclosed by the loop is A. If there are n turns in the loop, the torque acting on the loop is given by

Solution:
QUESTION: 22

In a deflection magnetometer experiment in tan A position, a short-bar magnet placed at 18 cm from the centre of the compass needle produces a deflection of 30° . If another magnet of same length but 16 times pole strength as that of first magnet is placed in tan B position at 36cm, the deflection will be

Solution:
QUESTION: 23

The pole strength of a 12cm long bar magnet is 20 A-m. The magnetic induction at a point 10cm away from the centre of the magnet on its axial line is ( μ 0 4 π = 10-7 Hm-1 )

Solution:

We known 2l = 12cm = 0.12m
m = 20 Am and d = 0.1m

QUESTION: 24

If iron pieces loaded in a ship, are thrown into the water, then level of water will

Solution:
QUESTION: 25

The Young's modulus of a wire of length (L) and radius (r) is Y N-m⁻2. If the length is reduced to L/2 and radius to r/2, then Young's modulus for the wire will be

Solution:
QUESTION: 26

The number of beta particles emitted by a radioactive substance is twice the number of alpha particles emitted by it. The resulting daughter is an:

Solution:
QUESTION: 27

A radio active sample has a half life of 5 days. To decay from 8 micro curies to 1 micro-curie, the number of days taken will be

Solution:
QUESTION: 28

The above is a plot of binding energy per nucleon Eb, against the nuclear mass M;, A, B, C, D, E, F correspond to different nuclei. Consider four reactions:
(i) A + B → C + ε
(ii) C → A + B + ε
(iii) D + E → F + ε and
(iv) F → D + E + ε
Where ε is the energy released ? In which reactions is ε positive?

Solution:
QUESTION: 29

If a simple pendulum oscillates with an amplitude 50 mm and time period of 2 s, then its maximum velocity, is

Solution:
QUESTION: 30

For what distance is ray optics a good approximation when the aperture is 4 mm wide and the wavelength is 500 nm?

Solution:
QUESTION: 31

If the luminous intensity of a unidirectional bulb is 100 candela, then total luminous flux emitted from the blub, is

Solution:
QUESTION: 32

Two mutually perpendicular simple harmonic vibrations have same amplitude, frequency and phase. When they superimpose, the resultant form of vibration will be

Solution:
QUESTION: 33

If the earth were to suddenly contract to half of its present radius, then change in the duration of the day will be (Assume earth to be a perfect solid sphere of moment of inertia =2/5 MR2)

Solution:
QUESTION: 34

A hollow cylinder and a solid cylinder having the same mass and same diameter are released from rest simultaneously from the top of an inclined plane. Which will reach the bottom first

Solution:
QUESTION: 35

In comparison to a half wave rectifier, the full wave rectifier gives lower

Solution:
QUESTION: 36

The typical ionisation energy of a donor in silicon is

Solution:

When donor impurity (+5 valence) added to a pure silicon (+4 valence) , the +5 valence donor atom sits in the place of +4 valence silicon atom. So it has a net additional +1 electric charge. The four valence electron from covalent bond and get fixed in the lattice. The fifth electron (with net −1 electronic charge) can be approximated to revolve around +1 additional charge. The

QUESTION: 37

When a copper voltameter is connected with a battery of emf 12 volts. 2 gms of copper is deposited in 30 minutes. If the same voltameter is connected across a 6 volt battery, then the mass of copper deposited in 45 minutes would be

Solution:
QUESTION: 38

If a ball of 80 kg mass hits an ice cube and temperature of ball is 100°C, how much ice becomes water? Specific heat of ball is 0.2 cal/gram.

Solution:
QUESTION: 39

The height of a waterfall is 84 metre. Assuming that the entire kinetic energy of falling water is converted into heat, the rise in temperature of the water will be
(g = 9.8 m/s2, J=4.2 joule/cal)

Solution:
QUESTION: 40

Dimensions [ML⁻1T⁻1] is related with

Solution:
QUESTION: 41

The frequency of a radar is 780 MHz. The frequency of the reflected wave from aeroplane is increased by 2.6 kHz. The velocity of the aeroplane is

Solution:
QUESTION: 42

In a closed organ pipe, the 1st resonance occurs at 50 cm. At what length of pipe, the 2nd resonance will occur?

Solution:
QUESTION: 43

Water is flowing on the blades of a turbine at a rate of 100 kg-s⁻1 from a certain spring. If the height of the spring be 100 m, then power transferred to the turbine will be

Solution:
QUESTION: 44

If the force acting on a mass is not a constant, but it is linearly changing as in the case of a mass attached to spring, the force itself is proportional to the extension or compression of the spring. The work done in moving a body by extending a spring by x is

Solution:

The work done is the area of the triangle OAB = 1/2 Fx
It is the force that is varying with x and it is linearly increasing with x, (1/2 F)x x satisfies the logic better though mathematically this is the same as F x/2.

QUESTION: 45

A body of weight 'mg' is hanging on a string, which extends its length by l. The work done in extending the string is

Solution:
QUESTION: 46

The reaction of ethanol with H₂SO₄ does not give

Solution:
QUESTION: 47

Which does not react with Fehling solution ?

Solution:

Propanone is methyl ketone
So ketones do not react with fehling's solution

QUESTION: 48

For principle quantum number n = 4, the total number of orbitals having l = 3 is

Solution:
QUESTION: 49

The wavelength of light waves is inversely proportional to its

Solution:
QUESTION: 50

Which of the following does not show electromeric effect?

Solution:
QUESTION: 51

The bromination of benzene in presence of FeBr₃ is an example of

Solution:
QUESTION: 52

Oxidation of glucose is one of the most important reactions in a living cell. What is the number of ATP molecules generated in cells from one molecule of glucose?

Solution:
QUESTION: 53

Which one of the following molecules is paramagnetic?

Solution: Paramagnetic materials, those with unpaired electrons, are attracted bymagnetic fields whereas diamagneticmaterials, those with no unpaired electrons, are weakly repelled by such fields. O2 is paramagnetic because it has two unpaired electrons, one in each of its p* orbitals.
QUESTION: 54

Which of the following is the weakest acid ?

Solution:
QUESTION: 55

The maximum possible number of hydrogen bonds in which a water molecule can participate is

Solution:
QUESTION: 56

Which relation is correct ?

Solution:
QUESTION: 57

When one mole of the gas is heated at constant volume ,temperature get raised from 298 K to 308 K.Heat supplied to the gas is 500 J.Then which among the following is a correct statements ?

Solution:

As the gas is heated at constant volume. Therefore ΔV = 0, and W = 0 and at the same time q = ΔU

QUESTION: 58

In a chemical equilibrium Kc = Kp when :

Solution:

Kp = Kc when Δn = 0

QUESTION: 59

What is the rate of a reaction in mol-L⁻1-s⁻1 in a first order reaction, if its half-life period is 693 s, and its concentration is 2 mol-L⁻1?

Solution:
QUESTION: 60

Identify the reaction in which the heat liberated corresponds to the heat of formation (Δ H)

Solution:
QUESTION: 61

The molar heat capacity of water at constant pressure is 75 J-K⁻1-mol⁻1. When 1.0 KJ of heat is supplied to 100 g of water, then increase in the temperature of water is

Solution:
QUESTION: 62

Which of the following is used for inducing sleep?

Solution:
QUESTION: 63

The compound which has one isopropyl group is

Solution:
QUESTION: 64

Which of the following will give maximum number of isomers?

Solution:
QUESTION: 65

Which one of the following does not obey the 18-electron rule?

Solution:

QUESTION: 66

If the standard electrode potential of Cu2+/Cu electrode is 0.34 V, what is the electrode potential at 0.01 M concentration of Cu2+? (T = 298K)

Solution:
QUESTION: 67

A current liberates 0.504 g of hydrogen in 2 hours, the amount of copper liberated from a solution of CuSO₄ by the same current flowing for the same time would be

Solution:
QUESTION: 68

Consider the following four electrodes


If the standard reduction potential of Cu+2 ∕ C u is + 0.34 V , the reduction potential (in volts) of the above electrodes follow the order

Solution:
QUESTION: 69

The elements or organisms which consume a pollutant, are known as

Solution:
QUESTION: 70

Which of the following process is used in the extractive metallurgy of magnesium?

Solution:
QUESTION: 71

A closed flask contains water in all its three states, solid, liquid and vapour at 0°C. In this situation the average kinetic energy of water molecules will be

Solution:

The average kinetic energy is maximum in the gaseous state

QUESTION: 72

Excess of N⁺ ions in human system causes

Solution:

The increasing of the concentration of Sodium ions in blood would attract water from the surrounding issues, because of the osmotic pressure.

The increasing of the total volume of blood makes the blood pressure higher.

Hence, Option D is the correct answer.

QUESTION: 73

The temperature at which real gases obey the ideal gas laws over a wide range of pressure is called

Solution:
QUESTION: 74

Which of the following is most dense?

Solution:
QUESTION: 75

Which of the following cannot work as oxidizing agent?

Solution:
QUESTION: 76

Which of the following salts on dissolution in water gives pH less than 7 at 25°C ?

Solution:
QUESTION: 77

If the solubility of PbCl₂ at 25°C is 6.3x10⁻3 mole/litre, its solubility product at that temperature is

Solution:
QUESTION: 78

Which one of the following methods is neither meant for synthesis nor for separation of amines ?

Solution:
QUESTION: 79

Stability of following alkenes in the increasing order is:


Solution:

I have 6 α-H. II has 12 α-H. III has 6 α and IV has 9 α-H.
However among I and III, III is more stable as after hyperconjugation in I and III,I has 2° carbanion which is less stable than 1° carbanion in III.
So, the order of stability is :-
I<III<IV<II

QUESTION: 80

Polyvinyl alcohol can be prepared by

Solution:
QUESTION: 81

In which case product formed is identical in the absence or presence of peroxide?

Solution:
QUESTION: 82

If 0.24g of a volatile liquid upon vapourization gives 45ml of vapours at NTP. What will be the vapour density of the substance? (Density of H = 0.089 gL⁻1)

Solution:
QUESTION: 83

If 0.32 g of an organic compound containing sulphur produces 0.233g of BaSO₄. Then the percentage of sulphur in it is

Solution:
QUESTION: 84

Volume of 0.1 M K₂Cr₂O₇ required to oxidise 35 ml of 0.5 M FeSO₄ solution is

Solution:
QUESTION: 85

Which of the following can act as an oxidising as well as reducing agent ?

Solution:
QUESTION: 86

How many moles of Fe2⁺ ions are formed when excess iron is treatd with 500 mL of 0.4 N HCl under inert atmosphere? Assume no change in volume?

Solution:
QUESTION: 87

What happens when isotonic solution of A (mol.wt.342) and B (mol. wt.60) are put into communication through semipermeable membrane?

Solution:
QUESTION: 88

Both acid and base may react with which of the following oxides?

Solution:
QUESTION: 89

Which of the following can't be explained by adsorption?

Solution:
QUESTION: 90

Which of the following properties is not of transition elements ?

Solution:
QUESTION: 91

Bryophytes can be differentiated from algae because they

Solution:
QUESTION: 92

A true terrestrial animal is

Solution: True terrestrial are those which entirely live on land..so toad.
QUESTION: 93

Tyloses are

Solution:
QUESTION: 94

Funaria rhizoids are distinguished by which of the following character

Solution:
QUESTION: 95

The stage of cell cycle when cell has undergone differentiation is

Solution:
QUESTION: 96

If mitotic division is restricted to G₁ phase of cell, the condition is known as

Solution:
QUESTION: 97

Funaria gametophyte is

Solution:
QUESTION: 98

ER remain associated with

Solution:
QUESTION: 99

Each phospholipid molecule in a cell membrane consists of :

Solution:
QUESTION: 100

Red blood cells survive around _____ days.

Solution:
QUESTION: 101

Phragmoplast is formed during

Solution:
QUESTION: 102

A colour blind girl is rare because she will be born only when

Solution:
QUESTION: 103

Sudden inheritable genetic change is

Solution:
QUESTION: 104

Which of the following is not true?

Solution:
QUESTION: 105

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

Solution:
QUESTION: 106

Anemia is:

Solution:
QUESTION: 107

Population explosion has occurred in the last :

Solution:
QUESTION: 108

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

Solution:
QUESTION: 109

The function of copper-T is to prevent

Solution:
QUESTION: 110

When salivary amylase enters the stomach, it becomes

Solution:
QUESTION: 111

An ecosystem is

Solution:
QUESTION: 112

Which of the following is true of the liver?

Solution:
QUESTION: 113

Which of the following pair of geographical areas show maximum biodiversity in our country?

Solution:
QUESTION: 114

During menstruation the level of progesterone in the blood is

Solution:
QUESTION: 115

The organ which was considered vestigial till recently but now confirmed to be endocrine gland is

Solution:
QUESTION: 116

Nonprotein component of enzyme is

Solution:
QUESTION: 117

Of the total enzymes present in a cell, mitochondria account for

Solution:
QUESTION: 118

Which of the following monkey has prehensile tail?

Solution:
QUESTION: 119

Largest sperms are found in-

Solution:

The male gametes (spermatozoids) of Cycads and Ginkgo are unique among seed plants. It is multiflagellate and very large.

 

QUESTION: 120

Gymnosperms are naked-seeded plants, because

Solution:
QUESTION: 121

In E.coli, during lactose metabolism repressor binds to

Solution:
QUESTION: 122

F₂-generation is produced by

Solution:
QUESTION: 123

Which of the following charaters studied by Mendel in garden pea (Pisum sativum) was dominant ?

Solution:
QUESTION: 124

The bone attached to the inner surface of the eardrum is called

Solution:
QUESTION: 125

Antigens are found

Solution:
QUESTION: 126

Western blot test is used for confirmation of

Solution:
QUESTION: 127

Antibody

Solution:
QUESTION: 128

What is characteristic of deuterostomes

Solution:
QUESTION: 129

Cell-tissue organisation occurs in

Solution:
QUESTION: 130

A disease due to allergic reaction is

Solution:
QUESTION: 131

An organism which lacks sterile covering over its egg is

Solution:
QUESTION: 132

Which do not give out O₂

Solution:
QUESTION: 133

Which is source of Vitamin B₁₂

Solution:

Spirulina is rich in nutrients, some of which aren't found in the average daily vitamin. According to the FDA, Spirulina contains significant amounts of calcium, niacin, potassium, magnesium, B vitamins and iron. It also has essential amino acids (compounds that are the building blocks of proteins).

QUESTION: 134
Brown heart disease is due to deficiency of
Solution:
QUESTION: 135
Which one does not fix nitrogen?
Solution:
QUESTION: 136

Lipids are insoluble in water as they are

Solution:

Lipids are basically fats and oils neither of which soluble in water because their molecules are nonpolar and they are not attracted by water molecules.

QUESTION: 137

NPK denotes

Solution:
QUESTION: 138

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

Solution:
QUESTION: 139

Apposition image in cockroach is formed when there is

Solution:
QUESTION: 140

Ootheca of Earthworm is produced by

Solution:
QUESTION: 141

In general ,the feature common to the flower of spadix,cyathium and hypanthodium is that they are

Solution:
QUESTION: 142

Chloragogen cells of Earthworm take part in

Solution:
QUESTION: 143

Transpiration is reduced in Opuntia by the formation of

Solution:
QUESTION: 144

Hypanthodium refers to specialised type of

Solution:
QUESTION: 145

A one chambered one seeded indehiscent fruit developed from bicarpellary syncarpous ,inferior ovary is

Solution:
QUESTION: 146

Stomata are sunken in

Solution:
QUESTION: 147

Soil rich in Fe and Al due to excessive leaching is

Solution:
QUESTION: 148

The main function of cerebrospinal fluid is

Solution:
QUESTION: 149

Association between suckerfish and shark is :

Solution:
QUESTION: 150

An important example of serendipity is

Solution:
QUESTION: 151

Biotechnologically produced erythropoitin is produced with the help of

Solution:
QUESTION: 152

Yeast belongs to the class

Solution:
QUESTION: 153

Agricultural chemicals include

Solution:
QUESTION: 154

A new strain of bacteria produced by biotechnology in alcohol industry is

Solution:
QUESTION: 155

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

Solution:
QUESTION: 156

Lung Fluke is

Solution:
QUESTION: 157

A fungus used for the fermentation of cheese is

Solution:
QUESTION: 158

Vessels and companion cells occur in

Solution:
QUESTION: 159

Resin ducts of Pinus are an example of

Solution:
QUESTION: 160
6-10% solution of dextrin is
Solution:
QUESTION: 161

B.O.D. is connected with

Solution:
QUESTION: 162

The undesirable sounds, which disturb our environment, are called

Solution:
QUESTION: 163

A community which starts succession in a habitat is

Solution:
QUESTION: 164

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

Solution:
QUESTION: 165

In acid rain, sulphuric acid accounts for

Solution:
QUESTION: 166

Collagen is

Solution:
QUESTION: 167

Maturation of stamens and pistils, at different times in the same flower, is called

Solution:
QUESTION: 168

A plant raised from a single germinating pollen grain under cultural condition is called a

Solution:
QUESTION: 169

Pollination by bats is called

Solution:
QUESTION: 170

Microspore mother cell forms

Solution:
QUESTION: 171

The genetic sex of a child is determined by the

Solution:
QUESTION: 172

Bulbovestibular gland is found in female rabbit. It is also known as

Solution:
QUESTION: 173

Testosterone in the adult male is produced by the

Solution:
QUESTION: 174

Binomial system of nomenclature (given by Linnaeus) means that every organism has -

Solution:
QUESTION: 175

The duct that is used by both the reproductive and excretory systems in males is the

Solution:
QUESTION: 176

Which of the following would cause the kidney to produce more concentrated urine?

Solution:
QUESTION: 177

Cucurbitaceae has plants yielding a variety of vegetables and fruits. What is the position of this family in Bentham and Hooker classification-

Solution:
QUESTION: 178

If the blood is excessively acidic, it will likely lead to urine