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VITEEE PCBE Mock Test - 5


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125 Questions MCQ Test VITEEE: Subject Wise and Full Length MOCK Tests | VITEEE PCBE Mock Test - 5

VITEEE PCBE Mock Test - 5 for JEE 2023 is part of VITEEE: Subject Wise and Full Length MOCK Tests preparation. The VITEEE PCBE Mock Test - 5 questions and answers have been prepared according to the JEE exam syllabus.The VITEEE PCBE Mock Test - 5 MCQs are made for JEE 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for VITEEE PCBE Mock Test - 5 below.
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VITEEE PCBE Mock Test - 5 - Question 1

Hollow trunks in trees lead to

VITEEE PCBE Mock Test - 5 - Question 2

The coordinating structure responsible for an intrinsic heart beat is the

VITEEE PCBE Mock Test - 5 - Question 3

Colleterial glands are found in

VITEEE PCBE Mock Test - 5 - Question 4

Which one is essential for nitrogen fixation ?

VITEEE PCBE Mock Test - 5 - Question 5

The controlling centre of cell is

VITEEE PCBE Mock Test - 5 - Question 6

Cristae occur in

VITEEE PCBE Mock Test - 5 - Question 7

Protoplast does not include

VITEEE PCBE Mock Test - 5 - Question 8

When a natural predator (living being) is applied on some other organism to control them, this process is called

VITEEE PCBE Mock Test - 5 - Question 9

Fossil reptile having mammalian traits was

VITEEE PCBE Mock Test - 5 - Question 10

Frog feeding on herbivorous insect is

VITEEE PCBE Mock Test - 5 - Question 11

Continental drift explains

VITEEE PCBE Mock Test - 5 - Question 12

Birds and mammals evolved during

VITEEE PCBE Mock Test - 5 - Question 13

What does lac refer to in lac operon?

VITEEE PCBE Mock Test - 5 - Question 14

Golden rice is a transgenic crop of the future, with which of the following improved trait ?

VITEEE PCBE Mock Test - 5 - Question 15

tRNA has two unequal free arms

VITEEE PCBE Mock Test - 5 - Question 16

A gamete normally contains :

VITEEE PCBE Mock Test - 5 - Question 17

How many different types of gametes can be formed by F1 progeny resulting from the following cross?
AABBCC x aabbcc

VITEEE PCBE Mock Test - 5 - Question 18

Autosomal recessive traits are

VITEEE PCBE Mock Test - 5 - Question 19

In sex-linked traits the males are

VITEEE PCBE Mock Test - 5 - Question 20

Hepatitis-B vaccine is

VITEEE PCBE Mock Test - 5 - Question 21

Who discovered vaccine against small pox?

VITEEE PCBE Mock Test - 5 - Question 22

What is true about T-lymphocytes in mammals?

VITEEE PCBE Mock Test - 5 - Question 23

Monocot stems differ from dicot stems in that

VITEEE PCBE Mock Test - 5 - Question 24

In Strychnos, strips of new cambia arise from

VITEEE PCBE Mock Test - 5 - Question 25

The process in which water is split during photosynthesis is

VITEEE PCBE Mock Test - 5 - Question 26

Adventitions roots

VITEEE PCBE Mock Test - 5 - Question 27

Azolla possesses symbiotic associtation with

VITEEE PCBE Mock Test - 5 - Question 28

Senescence and death are essential in the functioning of

VITEEE PCBE Mock Test - 5 - Question 29

Which one of the following substances plays an important role in biochemical defence of host plants?

VITEEE PCBE Mock Test - 5 - Question 30

Escherichia coli is used as an indicator organism to determine pollution of water with

VITEEE PCBE Mock Test - 5 - Question 31

Treatment of polluted water is carried out with the help of

VITEEE PCBE Mock Test - 5 - Question 32

The first nuclear explosion was conducted by

VITEEE PCBE Mock Test - 5 - Question 33

The parasite of endothelial system in man is :

VITEEE PCBE Mock Test - 5 - Question 34

Cryptorchidism is a condition in which testes are

Detailed Solution for VITEEE PCBE Mock Test - 5 - Question 34

Cryptorchidism is a congenital disorder when one or both of a newborn's testicles fail to descend into the scrotum. Although this condition may occur on both sides, it more commonly affects the right testis. Because the testicles normally descend into the scrotum during the eighth month of gestation, undescended testicles most commonly affect newborns

VITEEE PCBE Mock Test - 5 - Question 35

Unicellular eukaryotes are

VITEEE PCBE Mock Test - 5 - Question 36

Lamarck's theory of evolution is known as

VITEEE PCBE Mock Test - 5 - Question 37

Theory of Natural selection dwells on

VITEEE PCBE Mock Test - 5 - Question 38

Naturalist who sailed round the world in ship Beagle was

VITEEE PCBE Mock Test - 5 - Question 39

Which of the following symptoms might be an indication of kidney failure?

VITEEE PCBE Mock Test - 5 - Question 40

Which substance would normally be found in higher concentration in urine than in blood?

VITEEE PCBE Mock Test - 5 - Question 41

The ratio of peak value and r.m.s. value of an alternating current is

VITEEE PCBE Mock Test - 5 - Question 42

The ratio of the energy of an X - ray photon of wavelength 1 Å to that of visible light of wave length 500 Å is

VITEEE PCBE Mock Test - 5 - Question 43

The force experienced by the cathode rays when they pass through an electric field of intensity E → is

VITEEE PCBE Mock Test - 5 - Question 44

The resistance of a cell does not depend upon

VITEEE PCBE Mock Test - 5 - Question 45

If there are n capacitors in parallel connected to V volt source, then energy stored is equal to

Detailed Solution for VITEEE PCBE Mock Test - 5 - Question 45

Since the capacitors are connected in parallel to the battery, potential difference across each capacitor will be V. Hence, the total energy stored will be n times the energy stored in a single capacitor.
∴ U = n x 1/2 CV2 = 1/2 n C V2 

VITEEE PCBE Mock Test - 5 - Question 46

A battery has e.m.f. 4V and internal resistance r. When this battery is connected to an external resistance of 2 ohms, a current of 1 amp. flows in the circuit. How much current will flow if the terminals of the battery are connected directly

VITEEE PCBE Mock Test - 5 - Question 47

If sky wave with a frequency of 50 MHz is incident on D-region at an angle of 300, then angle of refraction is

VITEEE PCBE Mock Test - 5 - Question 48

Two resistors are connected (a) in series (b) in parallel. The equivalent resistance in the two cases are 9 ohm and 2 ohm respectively. Then the resistances of the component resistors are

VITEEE PCBE Mock Test - 5 - Question 49

Two wires of the same material are given. The first wire is twice as long as the second and has twice the diameter of the second. The resistance of the first will be

VITEEE PCBE Mock Test - 5 - Question 50

A 50 ohm galvanometer gets full scale deflection when a current of 0.01 A passes through the coil. When it is converted to a 10 A ammeter, the shunt resistance is

VITEEE PCBE Mock Test - 5 - Question 51

Mass of a photon of frequency (v) is given by

VITEEE PCBE Mock Test - 5 - Question 52

The working of a dynamo is based on principle of

VITEEE PCBE Mock Test - 5 - Question 53

A loop of area 0.1 m2 rotates with a speed of 60 rps perpendicualr to a magnetic field of 0.4 T. If there are 100 turns in the loop, maximum voltage induced in the loop is

VITEEE PCBE Mock Test - 5 - Question 54

The current in a choke changes from 0 to 10 A in 5 seconds. If the inductance of the choke is 2H the induced emf is

VITEEE PCBE Mock Test - 5 - Question 55

The difference between soft and hard X-rays is

VITEEE PCBE Mock Test - 5 - Question 56

If the electric flux entering and leaving an enclosed surface respectively is φ₁ and φ₂, the electric charge inside the surface will be

VITEEE PCBE Mock Test - 5 - Question 57

Potential energy of two equal positive charges 1 μ C each held 1 m apart in air is

VITEEE PCBE Mock Test - 5 - Question 58

On moving a charge of 20 C by 2 cm, 2 joule of work is done, then the potential difference between the points is

Detailed Solution for VITEEE PCBE Mock Test - 5 - Question 58

W = QV
∴ V = W/Q = 2/20 = 0.1 volt

VITEEE PCBE Mock Test - 5 - Question 59

The electric field inside a sphere which carries a charge density proportional to the distance from the origin ρ = α r α is a constant is

VITEEE PCBE Mock Test - 5 - Question 60

A spherical conductor of radius R, placed in air, is given a charge Q and potential at the surface of conductor is V. The potential at a point inside the conductor and at a distance R/2 from its centre is

VITEEE PCBE Mock Test - 5 - Question 61

Three capacitors of capacitance 3 μF, 10 μF, and 15 μF are connected in series to a source of voltage 100 V. The charge on 15 μF capacitor is

VITEEE PCBE Mock Test - 5 - Question 62

The magnetic dipole moment of a current loop is independent of

VITEEE PCBE Mock Test - 5 - Question 63

In a Rutherford scattering experiment when a projectile of charge z1 and mass M1 approaches a target nucleus of charge z2 and mass M2, the distance of closest approach is r0. The energy of the projectile is:

VITEEE PCBE Mock Test - 5 - Question 64

The number of neutrons in a chain reaction increases in

VITEEE PCBE Mock Test - 5 - Question 65

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

VITEEE PCBE Mock Test - 5 - Question 66

The electrons are emitted in the photoelectric effect from a metal surface

VITEEE PCBE Mock Test - 5 - Question 67

Light of wavelength λ falls on a metal having work function hc /λ0  . Photoelectric effect will take place only if

VITEEE PCBE Mock Test - 5 - Question 68

A ray of light of frequency ν in air enters into glass of refractive index μ. The correct statement is

VITEEE PCBE Mock Test - 5 - Question 69

A plano convex lens is made refractive index 1.6. The radius of curvature of the curved surface is 60 cm. The focal length of the lens is

VITEEE PCBE Mock Test - 5 - Question 70

An n - type and p - silicon can be obtained by doping pure silicon with:

Detailed Solution for VITEEE PCBE Mock Test - 5 - Question 70

For obtaining ‘n’ type semi conductor V group element is doped with silicon.
Ex: Phosphorus
For obtaining ‘p’ type semiconductor III group element is doped with silicon.
Ex: Indium

VITEEE PCBE Mock Test - 5 - Question 71

A transistor is operated in common-emitter configuration at Vc = 2 V such that a change in the base current from 100 μ A to 200 μ A produces a change in the collector current from 5 mA to 10 mA. The current gain is:

VITEEE PCBE Mock Test - 5 - Question 72

When a semiconductor is continuously heated the value of its resistance

VITEEE PCBE Mock Test - 5 - Question 73

The potential in the depletion layer is due to

VITEEE PCBE Mock Test - 5 - Question 74

The cause of the potential barrier in a p-n diode is

VITEEE PCBE Mock Test - 5 - Question 75

When germanium atoms is doped with equal no. of antimony atoms, we get a/an

VITEEE PCBE Mock Test - 5 - Question 76

The electic circuits used to get smooth d.c. output from a rectified circuit is called

VITEEE PCBE Mock Test - 5 - Question 77

When a source is linear, the wavefront is

VITEEE PCBE Mock Test - 5 - Question 78

If the ratio of intensities of two waves causing interference be 9:4, then the ratio of maximum and minimum intensities will be

VITEEE PCBE Mock Test - 5 - Question 79

A ray of light falls on a transparent glass slab of refractive index 1.62. If the reflected ray and the refracted ray are mutually perpendicular, the angle of incidence is

VITEEE PCBE Mock Test - 5 - Question 80

In a Young's double slit experiment, I1 ∕ I2  = 16 ∕ 9 . Ratio of maximum to minimum intensity is

Detailed Solution for VITEEE PCBE Mock Test - 5 - Question 80

Intensity ∝ slit width and Intensity ∝ (amplitude)2

VITEEE PCBE Mock Test - 5 - Question 81

Vinyl carbinol is

VITEEE PCBE Mock Test - 5 - Question 82

Formaldehyde reacts with NaOH(50%). Which one pair of products will be obtained?

VITEEE PCBE Mock Test - 5 - Question 83

Aldehydes and ketones do not give addition reaction with

VITEEE PCBE Mock Test - 5 - Question 84

Treatment of furfural with NaOH yields

VITEEE PCBE Mock Test - 5 - Question 85

Both methane and ethane can be prepared in one step by the reaction of

VITEEE PCBE Mock Test - 5 - Question 86

The conversion of 2, 3-dibromobutane to 2-butene with Zn is

VITEEE PCBE Mock Test - 5 - Question 87

An organic compound contains 49.3% carbon, 6.84% hydrogen and its vapour density is 73. Molecular formula of compound is

VITEEE PCBE Mock Test - 5 - Question 88

The random errors can be eliminated by

VITEEE PCBE Mock Test - 5 - Question 89

ACTH is secreted by

VITEEE PCBE Mock Test - 5 - Question 90

In both DNA and RNA, heterocylic base and phosphate ester linkages are at

VITEEE PCBE Mock Test - 5 - Question 91

Which of the following is a test for proteins?

VITEEE PCBE Mock Test - 5 - Question 92

Saponification of ethyl benzoate with caustic soda as alkali, gives

VITEEE PCBE Mock Test - 5 - Question 93

What is the main reason for the fact that carboxylic acids can undergo ionization?

VITEEE PCBE Mock Test - 5 - Question 94

Which of the following does give violet colour with neutral ferric chloride?

VITEEE PCBE Mock Test - 5 - Question 95

The equilibrium constant in a reversible chemical reaction at a given temperature

VITEEE PCBE Mock Test - 5 - Question 96

Which of the following is not correct?

VITEEE PCBE Mock Test - 5 - Question 97

A heat engine absorbs heat Q1 at temperature T1 and heat Q2 at temperature T2. Work done by the engine is (Q1 + Q2). This data

Detailed Solution for VITEEE PCBE Mock Test - 5 - Question 97

It does not go against first law of thermodynamics .
However it violates the 2nd law of thermodynamics.

VITEEE PCBE Mock Test - 5 - Question 98

If a mixture containing 3 moles of hydrogen and 1 mole of nitrogen is converted completely into ammonia, the ratio of volumes of reactants and products at the same temperature and pressure would be

Detailed Solution for VITEEE PCBE Mock Test - 5 - Question 98

3H2 + N2 → 2NH3
∴ 3V 1V → 2V
Total initial volume = 3V + 1V = 4V
Final volume = 2V
Hence, ratio of initial and final volume will be 2 : 1

VITEEE PCBE Mock Test - 5 - Question 99

Identify the correct statement regarding entropy

VITEEE PCBE Mock Test - 5 - Question 100

A drug that is antipyretic as well as analgesic is

VITEEE PCBE Mock Test - 5 - Question 101

The co-ordination no. of the central metal atom, in a complex compound is determined by the no. of ligands around the metal ion is bonded

VITEEE PCBE Mock Test - 5 - Question 102

The IUPAC name for CH₃CO-CH₃ is

VITEEE PCBE Mock Test - 5 - Question 103

The hybridisation state of Fe in [Fe(CN)₆]3- and [Fe(H₂O)₆]3+ is

VITEEE PCBE Mock Test - 5 - Question 104

Which of the following compound results into benzene nitrile on its dehydration?

VITEEE PCBE Mock Test - 5 - Question 105

At STP,1.12 litre of H₂ is obtained on flowing a current for 965 seconds in a solution.The value of current is

VITEEE PCBE Mock Test - 5 - Question 106

Which one of the following is not the correct reaction of aryl diazonium salts?

VITEEE PCBE Mock Test - 5 - Question 107

In which of the following reaction, hydrogen is acting as an oxidising agent?

VITEEE PCBE Mock Test - 5 - Question 108

Roasting of an ore is done in

VITEEE PCBE Mock Test - 5 - Question 109

In an experiment set up for the measurement of e.m.f. of a half-cell using a reference electrode and a salt bridge, when the salt bridge is removed the voltage

VITEEE PCBE Mock Test - 5 - Question 110

Heating of methyl phenyl ether with HI gives

VITEEE PCBE Mock Test - 5 - Question 111

If the weight of 5.6 liters of a gas at N.T.P. is 11 gram. The gas may be

VITEEE PCBE Mock Test - 5 - Question 112

Percentage of lead in lead pencil is

VITEEE PCBE Mock Test - 5 - Question 113

Arrange the following in order of increasing acidity
H₃PO₄, H₂CO₃, HCl, HI

VITEEE PCBE Mock Test - 5 - Question 114

The boiling points of the following hydrides follow the order

VITEEE PCBE Mock Test - 5 - Question 115

Which of the following substance acts as an oxidising as well as a reducing agent ?

VITEEE PCBE Mock Test - 5 - Question 116

The interionic distance for cesium chloride cystal will be

VITEEE PCBE Mock Test - 5 - Question 117
Three-dimensional representation of the R-enantiomer of
VITEEE PCBE Mock Test - 5 - Question 118

Surface tension of lyophilic sols is

VITEEE PCBE Mock Test - 5 - Question 119

Actinides

VITEEE PCBE Mock Test - 5 - Question 120

Near the top of the blast furnace used for the extraction of iron, the metal oxides are reduced to spongy iron by

VITEEE PCBE Mock Test - 5 - Question 121

Fill in the blank with appropriate word.
A crescendo of metallic thuds arose from the market, where the iron-smiths were..........the pieces of metals.

VITEEE PCBE Mock Test - 5 - Question 122

Find the synonym of RECOLLECT

VITEEE PCBE Mock Test - 5 - Question 123

Find the antonym of ALIVE

VITEEE PCBE Mock Test - 5 - Question 124

Out of the given alternatives, choose the one which can be substituted for the given capitalised word.

He cannot MAKE BOTH ENDS MEET.

VITEEE PCBE Mock Test - 5 - Question 125

Improve the sentence by choosing best alternative for capitalised part of the sentence.

Please TURN OFF the volume of the radio, so that it is not so loud.

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