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VITEEE PCBE Mock Test - 2


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125 Questions MCQ Test VITEEE: Subject Wise and Full Length MOCK Tests | VITEEE PCBE Mock Test - 2

VITEEE PCBE Mock Test - 2 for JEE 2023 is part of VITEEE: Subject Wise and Full Length MOCK Tests preparation. The VITEEE PCBE Mock Test - 2 questions and answers have been prepared according to the JEE exam syllabus.The VITEEE PCBE Mock Test - 2 MCQs are made for JEE 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for VITEEE PCBE Mock Test - 2 below.
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VITEEE PCBE Mock Test - 2 - Question 1

Tyloses are thickenings seen in

VITEEE PCBE Mock Test - 2 - Question 2

The part of cockroach having both exoskeleton and endoskeleton (tentorium and apodemes) is

VITEEE PCBE Mock Test - 2 - Question 3

Drug belladona is got from

VITEEE PCBE Mock Test - 2 - Question 4

80 S ribosomes are made up of

VITEEE PCBE Mock Test - 2 - Question 5

Conversion of green tomatoes into red form involves

VITEEE PCBE Mock Test - 2 - Question 6

The decreasing order of mineral concentration in a cell is

VITEEE PCBE Mock Test - 2 - Question 7

Which of the following blood vessels has a thin elastic layer?

VITEEE PCBE Mock Test - 2 - Question 8

Middle lamella is

VITEEE PCBE Mock Test - 2 - Question 9

An ecosystem has two components such as

VITEEE PCBE Mock Test - 2 - Question 10

Analogous organs are

VITEEE PCBE Mock Test - 2 - Question 11

Angiosperms flourished during

VITEEE PCBE Mock Test - 2 - Question 12

Homologous organs are

VITEEE PCBE Mock Test - 2 - Question 13

Enzyme required for removing RNA primer during DNA replication is

VITEEE PCBE Mock Test - 2 - Question 14

Intron is part of DNA which

VITEEE PCBE Mock Test - 2 - Question 15

According to Chargaff rule

VITEEE PCBE Mock Test - 2 - Question 16

Epistasis in which dihybrid ratio of 9:3:3:1 between AaBb X AaBb is modified is

VITEEE PCBE Mock Test - 2 - Question 17

In Red-White flowered cross of Mirabilis jalapa, F generation has red, pink and white flowered plants in the ratio of

VITEEE PCBE Mock Test - 2 - Question 18

Recessive trait disorders are characterised by

VITEEE PCBE Mock Test - 2 - Question 19

In sex-linked traits the males are

VITEEE PCBE Mock Test - 2 - Question 20

T-lymphocytes recognise

VITEEE PCBE Mock Test - 2 - Question 21

HIV has a protein coat and a genetic material which is

VITEEE PCBE Mock Test - 2 - Question 22

Surgical removal of thymus of a new born shall result in failure to produce

VITEEE PCBE Mock Test - 2 - Question 23

Which of the following is incorrect matched pair?

VITEEE PCBE Mock Test - 2 - Question 24

Tunica Corpus theory was proposed by

VITEEE PCBE Mock Test - 2 - Question 25

Censer mechanism of fruit dispersal is found in

VITEEE PCBE Mock Test - 2 - Question 26

Which one dies first when a ring of bark is removed

VITEEE PCBE Mock Test - 2 - Question 27

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

VITEEE PCBE Mock Test - 2 - Question 28

For the manufacture of wines and beers the microorganism that is employed is

VITEEE PCBE Mock Test - 2 - Question 29

Bordered pits are more common in

VITEEE PCBE Mock Test - 2 - Question 30

Gas released during Bhopal tragedy was

VITEEE PCBE Mock Test - 2 - Question 31

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

VITEEE PCBE Mock Test - 2 - Question 32

Increase in the concentration of pollutants in higher trophic levels is called

VITEEE PCBE Mock Test - 2 - Question 33

Kala-azar is a disease caused by :

VITEEE PCBE Mock Test - 2 - Question 34

Pseudopregnancy is due to

VITEEE PCBE Mock Test - 2 - Question 35

Mammalia is a

VITEEE PCBE Mock Test - 2 - Question 36

Select the correct statement

VITEEE PCBE Mock Test - 2 - Question 37

Protophytes were dominant during - period

VITEEE PCBE Mock Test - 2 - Question 38

Fossils of organisms found in South America resemble most of the fossils in

VITEEE PCBE Mock Test - 2 - Question 39

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

VITEEE PCBE Mock Test - 2 - Question 40

Which substance is found in the glomerulus, Bowman’s capsule and efferent arteriole but is not normally found in the collecting duct?

VITEEE PCBE Mock Test - 2 - Question 41

Voltage and current in an A.C. circuit are given by V = 5 sin(100πt - π/6) and I = 4sin(100πt + π/6)

VITEEE PCBE Mock Test - 2 - Question 42

Continuous emission spectrum is produced by

VITEEE PCBE Mock Test - 2 - Question 43

Δ λ is the difference between the wavelength of Kα line and the minimum wavelength of a continuous X - ray spectrum when the X - ray tube is operated at a voltage V. If the operating voltage is changed to V/3 , then the above difference is Δλ1 . Then

VITEEE PCBE Mock Test - 2 - Question 44

A parallel plate capacitor is filled by copper plate of thickness b. The new capacity will be

VITEEE PCBE Mock Test - 2 - Question 45

A steady current of 1.5 A flows through a copper voltameter for 10 min. If the electrochemical equivalent of copper is 30 x 10-5 g C-1 , the mass of copper deposited on the electrode will be

VITEEE PCBE Mock Test - 2 - Question 46

Optical fibres uses the phenomenon of

VITEEE PCBE Mock Test - 2 - Question 47

A car battery has e.m.f. 12 volt and internal resistance 5 x 10-2 ohm. If it draws 60 ampere current, the terminal voltage of the battery will be

VITEEE PCBE Mock Test - 2 - Question 48

Two cells with the same e.m.f 'E' and different internal resistances r1 and r2 are connected in series to an external resistance R. The value of R so that the potential difference across the first cell be zero is

VITEEE PCBE Mock Test - 2 - Question 49

Four resistances 10 Ω , 5 Ω , 7 Ω and 3 Ω are connected so that they form the sides of a rectangle AB, BC, CD and DA respectively. Another resistance of 10 Ω is connected across the diagonal AC. The equivalent resistance between a A and B is

VITEEE PCBE Mock Test - 2 - Question 50

The net resistance of a voltmeter should be large to ensure that

VITEEE PCBE Mock Test - 2 - Question 51

In Thomson's experiment of finding e/m for electrons, beam of electron is replaced by that of muons (particle with same charge as that of electrons but of mass 208 times that of electron). No deflection condition in this case is satisfied if

Detailed Solution for VITEEE PCBE Mock Test - 2 - Question 51

In the condition of no deflection e/m = E2/2VB2 
⇒ If m is increased by 208 times then B should be increased 208 = 14.4 times

VITEEE PCBE Mock Test - 2 - Question 52

The working of a dynamo is based on principle of

VITEEE PCBE Mock Test - 2 - Question 53

The unit of inductance is equivalent to

VITEEE PCBE Mock Test - 2 - Question 54

The wing span of an aeroplane is 36 m. If the plane is flying at 400 km/h, the e.m.f. induced between the wings tips is (assume V=4X10)

VITEEE PCBE Mock Test - 2 - Question 55

Which radiation in sunlight, cause heating effect?

VITEEE PCBE Mock Test - 2 - 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 - 2 - Question 57

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

VITEEE PCBE Mock Test - 2 - Question 58

Two equal charges q of opposite sign separated by a distance 2a constitute an electric dipole of dipole moment p. If P is a point at a distance r from the centre of the dipole and the line joining centre to this point makes an angle θ with the axis of the dipole, then potential at the point P is given by

VITEEE PCBE Mock Test - 2 - Question 59

Minimum no. of 8 μF and 250 V capacitors, used to make a combination of 16 μF and 1000 V, is

VITEEE PCBE Mock Test - 2 - Question 60

A 10 μF capacitor is charged to a potential difference 50 V and it is then connected to another uncharged capacitor in parallel. If common potential difference becomes 20 V, then capacitance of the second capacitor is

VITEEE PCBE Mock Test - 2 - Question 61

Two point charges each equal to 2μC are 0.5 m apart. If both of them exist inside vaccum, then electrostatic force between them is

Detailed Solution for VITEEE PCBE Mock Test - 2 - Question 61

By using F = 9x109 . Q2 /r2

VITEEE PCBE Mock Test - 2 - Question 62

If current in a moving coil galvanometer is increased by 1%, then percentage increase in its deflection will be

VITEEE PCBE Mock Test - 2 - Question 63

Number of particles emitted in the reaction is

VITEEE PCBE Mock Test - 2 - Question 64

In a nuclear reactor heavy water is used as a

VITEEE PCBE Mock Test - 2 - Question 65

If MO is the mass of an oxygen isotope 8O17 , Mp and Mn are the masses of a proton and a neutron, respectively, the nuclear binding energy of the isotope is

VITEEE PCBE Mock Test - 2 - Question 66

Light of wavelength 5000Å falls on a sensitive plate with photoelectric work function of 1.9 eV. The kinetic energy of the photoelectron emitted will be

VITEEE PCBE Mock Test - 2 - Question 67

In photoelectric effect experiment, the stopping potential for incident light of wave-length 4000 Å is 2 volt. If the wavelength is changed to 3000 Å, the stopping potential is

VITEEE PCBE Mock Test - 2 - Question 68

The distance between eye lens and cross wire in Ramsden eye piece which has a field lens of focal length 1.2 cm is .......cm.

VITEEE PCBE Mock Test - 2 - Question 69

If the dispersive power of a lens material of focal length 20 cm is 0.08, then longitudinal chromatic aberration of the lens is

VITEEE PCBE Mock Test - 2 - Question 70

In a transistor circuit, when the base current in increased by 50 micro - amperes keeping the collector voltage fixed at 2 volts, the collector current increases by 1 m A. The current gain of the transistor is

VITEEE PCBE Mock Test - 2 - Question 71

If no external voltage is applied across p-n junction, there would be

VITEEE PCBE Mock Test - 2 - Question 72

Zener diode is used for

VITEEE PCBE Mock Test - 2 - Question 73

Consider the following statements A and B and identify the correct choice of the given answers.
A: The width of the depletion layer in a P-N junction diode increases in forwards bias
B: In an intrinsic semiconductor the fermi energy level of exactly in the middle of the forbidden gap

VITEEE PCBE Mock Test - 2 - Question 74

A semiconductor is cooled from T₁K to T₂K. Its resistance

VITEEE PCBE Mock Test - 2 - Question 75

Avalanche breakdown is due to

VITEEE PCBE Mock Test - 2 - Question 76

In the depletion region of an unbiased P-N junction diode there are

VITEEE PCBE Mock Test - 2 - Question 77

A Nicol prism can be used

VITEEE PCBE Mock Test - 2 - Question 78

A train is approaching a platform with a velocity ν. The frequency heard by an observer standing at the station is

VITEEE PCBE Mock Test - 2 - Question 79

Both light and sound waves produce diffraction. It is more difficult to observe the diffraction with light waves because

VITEEE PCBE Mock Test - 2 - Question 80

The ray of light

VITEEE PCBE Mock Test - 2 - Question 81

2R ― OH + 2Na → 2RONa + H₂. In the above reaction the reactivity of different alcohols is

VITEEE PCBE Mock Test - 2 - Question 82

Reduction of aldehydes with HI give

VITEEE PCBE Mock Test - 2 - Question 83

Which of the following does not turn Schiff's reagent to pink ?

VITEEE PCBE Mock Test - 2 - Question 84

When vapours of isopropyl alcohol are passed over heated copper, the major product obtained is

VITEEE PCBE Mock Test - 2 - Question 85

How many monochlorobutanes will be obtained on chlorination of n-butane?

VITEEE PCBE Mock Test - 2 - Question 86

Acid catalysed hydration of alkenes except ethene leads to the formation of

VITEEE PCBE Mock Test - 2 - Question 87

The atomic weight of a substance is expressed in

VITEEE PCBE Mock Test - 2 - Question 88

How many moles of Helium gas occupy 22.4 L at 0oC at 1 atm. pressure?

VITEEE PCBE Mock Test - 2 - Question 89

Among the following the achiral amino acid is

VITEEE PCBE Mock Test - 2 - Question 90

Which substance is not present in nucleic acid?

VITEEE PCBE Mock Test - 2 - Question 91

The protein which maintains blood sugar level is

VITEEE PCBE Mock Test - 2 - Question 92

Which one of the following esters is obtained by the esterification of propan-2-ol with ethanoic acid?

VITEEE PCBE Mock Test - 2 - Question 93

The acid showing salt like character in aqueous solutions is

VITEEE PCBE Mock Test - 2 - Question 94

Dimerisation in carboxylic acid is due to

VITEEE PCBE Mock Test - 2 - Question 95

Chemical equilibrium is dynamic in nature, because

Detailed Solution for VITEEE PCBE Mock Test - 2 - Question 95

The two opposite processes, forward reaction and reverse reaction, keep on occurring in it all the time but at exactly equal rates (or equal speeds)
A chemical reaction does not stop after reaching the equilibrium state, only the rate of the forward and the reverse reactions become equal at the equilibrium state

VITEEE PCBE Mock Test - 2 - Question 96

The law of mass action was given by

VITEEE PCBE Mock Test - 2 - Question 97

For an ideal gas, the relation between the enthalpy change and internal energy change at constant temperature is given by

VITEEE PCBE Mock Test - 2 - Question 98

For a reaction at 300 K, enthalpy and entropy changes are -11.5 x 103 J mol-1 and -105J K-1 mol-1 respectively. What is the change in Gibbs free energy?

Detailed Solution for VITEEE PCBE Mock Test - 2 - Question 98

ΔG = ΔH - TΔS
= -(115x 10)3 - [300 (-105)]
= 11500 - (- 31500) = 20000 J mol-1
= 20 kJ mol-1

VITEEE PCBE Mock Test - 2 - Question 99

Which of the following is an endothermic reaction?

Detailed Solution for VITEEE PCBE Mock Test - 2 - Question 99

A reaction in which heat is absorbed when reactants are converted into products is called endothermic reaction
N2 g + O2 g + 180.8 K J → 2 NO g
During the reaction heat is absorbed, by the system from the surroundings and ΔH is + ve
So the reaction is endothermic reaction

VITEEE PCBE Mock Test - 2 - Question 100

The substance used in the preparation of malachine green is

VITEEE PCBE Mock Test - 2 - Question 101

The most stable conformation of n-butane is

VITEEE PCBE Mock Test - 2 - Question 102

In co-ordination compound, the co-ordination number of the metal according to Werner's theory, is

VITEEE PCBE Mock Test - 2 - Question 103

Which of the following is a complex salt?

VITEEE PCBE Mock Test - 2 - Question 104

Which of the following is produced by reaction of RCN in sodium and alcohol ?

VITEEE PCBE Mock Test - 2 - Question 105

When benzenediazonium chloride in hydrochloric acid reacts with cuprous chloride, then chlorobenzene is formed. The reaction is called

VITEEE PCBE Mock Test - 2 - Question 106

Which of the following is not a strong electrolyte?

VITEEE PCBE Mock Test - 2 - Question 107

What is the electrochemical equivalent (in g coulomb-1) of silver?
(Ag = 108; F = Faraday)

VITEEE PCBE Mock Test - 2 - Question 108

The unit ohm-1 is used for

VITEEE PCBE Mock Test - 2 - Question 109

Ether is obtained from ethyl alcohol

VITEEE PCBE Mock Test - 2 - Question 110

Chile salt petre is

VITEEE PCBE Mock Test - 2 - Question 111

A sample of gas occupise 100 ml at 27oC and 740 mm pressure. When its volume is changed to 80 ml at 740 mm pressure, the temperature of the gas will be

VITEEE PCBE Mock Test - 2 - Question 112

Which one of these is acidic?

VITEEE PCBE Mock Test - 2 - Question 113

At.No. of N is 7, the At. No. of the third member of nitrogen family will be

VITEEE PCBE Mock Test - 2 - Question 114

BCl₃ is a planar molecule whereas Ncl₃ is pyramidal because

VITEEE PCBE Mock Test - 2 - Question 115

Which of these substances is a good reducing agent?

VITEEE PCBE Mock Test - 2 - Question 116
Coordination number for Cu is
Detailed Solution for VITEEE PCBE Mock Test - 2 - Question 116 Coordination number of ccp (cubic close packing) arrangement is 12
Copper (cu) has ccp structure hence coordination no is 12
VITEEE PCBE Mock Test - 2 - Question 117

Select correct statement(s):

VITEEE PCBE Mock Test - 2 - Question 118

Adsorbed acetic acid on activated charcoal is

VITEEE PCBE Mock Test - 2 - Question 119

Which oxide of manganese is amphoteric?

VITEEE PCBE Mock Test - 2 - Question 120

The metal which does not form coloured compounds is

VITEEE PCBE Mock Test - 2 - Question 121

Find the antonym of ABANDON

VITEEE PCBE Mock Test - 2 - Question 122

Fill in the blank with appropriate word.
If a speech is full of pompous words, it is.........

VITEEE PCBE Mock Test - 2 - Question 123

Find the synonym of ABSONANT

VITEEE PCBE Mock Test - 2 - Question 124

Choose the alternative which best expresses the meaning of the idiom/phrase.

Bring forth

VITEEE PCBE Mock Test - 2 - Question 125

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

I will tell you if and when it WILL BE COMPLETED.

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