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VITEEE PCBE Mock Test - 3


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125 Questions MCQ Test VITEEE: Subject Wise and Full Length MOCK Tests | VITEEE PCBE Mock Test - 3

VITEEE PCBE Mock Test - 3 for JEE 2023 is part of VITEEE: Subject Wise and Full Length MOCK Tests preparation. The VITEEE PCBE Mock Test - 3 questions and answers have been prepared according to the JEE exam syllabus.The VITEEE PCBE Mock Test - 3 MCQs are made for JEE 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for VITEEE PCBE Mock Test - 3 below.
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VITEEE PCBE Mock Test - 3 - Question 1

Hard woods have

VITEEE PCBE Mock Test - 3 - Question 2

In which of the following animals, blood does not transport oxygen

VITEEE PCBE Mock Test - 3 - Question 3

Cauliflower, used as vegetable is

VITEEE PCBE Mock Test - 3 - Question 4

The reaction of pure water is

VITEEE PCBE Mock Test - 3 - Question 5

The term chromosome was coined by

VITEEE PCBE Mock Test - 3 - Question 6

Which type of blood vessel has thick walls in order to withstand high pressure?

VITEEE PCBE Mock Test - 3 - Question 7

Major function of mitochondria in a cell is

VITEEE PCBE Mock Test - 3 - Question 8

Centrioles and centrosomes occur in the cells of

VITEEE PCBE Mock Test - 3 - Question 9

The free floating organisms, of an open sea and shore, are collectively called

VITEEE PCBE Mock Test - 3 - Question 10

Wings of Bat, Locust and Pigeon are

VITEEE PCBE Mock Test - 3 - Question 11

Which one is not vestigial in humans

VITEEE PCBE Mock Test - 3 - Question 12

Fossilisation is

VITEEE PCBE Mock Test - 3 - Question 13

Enzyme required for transcription is

VITEEE PCBE Mock Test - 3 - Question 14

Central dogma of modern genetics is

VITEEE PCBE Mock Test - 3 - Question 15

During DNA replication, the strands separate by

VITEEE PCBE Mock Test - 3 - Question 16

Out of two alleles of the same gene, one finds morphological expression. The phenomenon is

VITEEE PCBE Mock Test - 3 - Question 17

How many types of genotypes are formed in F₂-progeny obtained from self-pollination of a dihybrid F₁ ?

VITEEE PCBE Mock Test - 3 - Question 18

A pregnant woman underwent amniocentesis. An extra barr body is present in the embryo. Syndrome likely to occur in child is

VITEEE PCBE Mock Test - 3 - Question 19

In sex-linked traits the males are

VITEEE PCBE Mock Test - 3 - Question 20

A disease transferred from mother to child through placenta is

VITEEE PCBE Mock Test - 3 - Question 21

Which is wrong?

VITEEE PCBE Mock Test - 3 - Question 22

Edward Jenner discovered

VITEEE PCBE Mock Test - 3 - Question 23

Goldfussia in which two differnt size of filamentous hair like structures protruding from its tip are

VITEEE PCBE Mock Test - 3 - Question 24

Floral diagram fails to indicate

VITEEE PCBE Mock Test - 3 - Question 25

Ovary is called inferior in

VITEEE PCBE Mock Test - 3 - Question 26

Hypothesis for oxygen coming from water was put forward by

VITEEE PCBE Mock Test - 3 - Question 27

Which of the following can yield a completely haploid plant

VITEEE PCBE Mock Test - 3 - Question 28

Epidermal outgrowths are known as

VITEEE PCBE Mock Test - 3 - Question 29

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

VITEEE PCBE Mock Test - 3 - Question 30

Which of the following organisms is used as an indicator of water quality?

VITEEE PCBE Mock Test - 3 - Question 31

Result of ozone hole is

VITEEE PCBE Mock Test - 3 - Question 32

Melanin protects us from

VITEEE PCBE Mock Test - 3 - Question 33

Relapse of malaria is caused by :

VITEEE PCBE Mock Test - 3 - Question 34

The site of testosterone production in the cytoplasm of an interstitial cell is the

VITEEE PCBE Mock Test - 3 - Question 35

What is the energy required in calories for formation of energy rich bond between phosphorus and ADP molecule in DNA?

VITEEE PCBE Mock Test - 3 - Question 36

The major objection against the theory of Natural Selection is that it

VITEEE PCBE Mock Test - 3 - Question 37

Neo-Darwinism believes that new species develop through

VITEEE PCBE Mock Test - 3 - Question 38

Lederberg replica experiment explains

VITEEE PCBE Mock Test - 3 - Question 39

The site of tubular excretion is the

VITEEE PCBE Mock Test - 3 - Question 40

The process that moves glucose from the proximal convoluted tubule into the peritubular capillaries is

VITEEE PCBE Mock Test - 3 - Question 41

Hydrogen atom from excited state comes to the ground state by emitting a photon of wavelength λ . If R is the Rydberg constant, the principal quantum number n of excited state is

VITEEE PCBE Mock Test - 3 - Question 42

An alternating current of rms value 10 A is passed through a 12 Ω resistor. The maximum potential difference across the resistor is

VITEEE PCBE Mock Test - 3 - Question 43

Energy, when one milligram mass is converted in to energy (in joules ) is

VITEEE PCBE Mock Test - 3 - Question 44

Two condensers, one of capacity C and the other of capacity C/2 , are connected to a V volt battery, as shown.

The work done in charging fully both the condensers is

VITEEE PCBE Mock Test - 3 - Question 45

x g of Ag is deposited by passing 4 A of current for 1 hour. How many gram of Ag will be deposited by passing 6 A for 40 min?

VITEEE PCBE Mock Test - 3 - Question 46

A laser beam is used for carrying out surgery because it

Detailed Solution for VITEEE PCBE Mock Test - 3 - Question 46

As the laser beam is highly monochromatic, directional and coherent, it can be sharply focussed.
Therefore it is used for carrying out surgery

VITEEE PCBE Mock Test - 3 - Question 47

In a balanced Wheatstone's network, the resistances in the arms Q and S are interchanged. As a result

VITEEE PCBE Mock Test - 3 - Question 48

At what temperature, the resistance of a copper wire will become three times its value at 0oC (Temperature coefficient of resistance for copper = 4 x 10-3 per oC)

VITEEE PCBE Mock Test - 3 - Question 49

Two wires of same material have length L and 2L and cross-sectional areas 4A and A respectively. The ratio of their specific resistance would be

VITEEE PCBE Mock Test - 3 - Question 50

The length of given cylindrical wire is increased by 100%. Due to the consequent decrease in diameter the change in the resistance of the wire will be

VITEEE PCBE Mock Test - 3 - Question 51

When a proton is accelerated with 1 volt potential difference, then its kinetic energy is

VITEEE PCBE Mock Test - 3 - Question 52

What is increased in a step-down transformer

VITEEE PCBE Mock Test - 3 - Question 53

In an L-R circuit, the value of L is (0.4/π) henry and the value of R is 30 ohm. If in the circuit, an alternating emf of 200 volt at 50 cycles per second is connected, the impedance of the circuit and current will be

Detailed Solution for VITEEE PCBE Mock Test - 3 - Question 53

L = 0.4/π henry, R = 30 ohm
e = 200 volt, f = 50
I = ?, Z = ?
Impedance of L-R circuit

VITEEE PCBE Mock Test - 3 - Question 54

A coil of insulated wire is connected in series with a bulb, a battery and a switch. When the circuit is completed, the bulb lights up immediately. The circuit is switched off and a rod of soft iron is placed inside the coil. On completing the circuit again, it is observed that

Detailed Solution for VITEEE PCBE Mock Test - 3 - Question 54

The bulb does not glow to its normal brightness, because inductance of coil increases.

VITEEE PCBE Mock Test - 3 - Question 55

The velocity of electromagnetic wave is parallel to

VITEEE PCBE Mock Test - 3 - Question 56

A charge Q is placed at the corner of a cube. The electric flux through all the six faces of the cube is

VITEEE PCBE Mock Test - 3 - Question 57

Two equal print charges are fixed at x = -a and x = +a on the X axis. Another point charge Q is placed at the origin. The change in electrical potential energy of Q, when it is displaced by a small distance x along the X-axis is approximately proportional to

VITEEE PCBE Mock Test - 3 - Question 58

If a point charge q be rotated in a circle of radius r around a charge Q, the work done will be

VITEEE PCBE Mock Test - 3 - Question 59

The plates of a parallel plate capacitor are charged upto 200 volts. A dielectric slab of thickness 4 mm is inserted between its plates. Then to maintain the same potential difference between the plates capacitor, the distance between the plates is increased by 3.2 mm. The dielectric constant of dielectric slab is

VITEEE PCBE Mock Test - 3 - Question 60

The inward and outward electric flux of a closed surface are 8 x103 C and 4 x103C respectively. The net charge inside the closed surface is

VITEEE PCBE Mock Test - 3 - Question 61

A galvanometer of 100 Ω resistance gives full scale deflection with 0.01 A current. How much shunt resistance should be connected with it to convert into an ammeter of range 10 A?

VITEEE PCBE Mock Test - 3 - Question 62

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 - 3 - Question 63

Cadmium rods are used in a nuclear reactor

VITEEE PCBE Mock Test - 3 - Question 64

α - particle is equivalent to

VITEEE PCBE Mock Test - 3 - Question 65

The mass number of nucleus is

VITEEE PCBE Mock Test - 3 - Question 66

The slope of frequency of incident light and stopping potential for a given surface will be

VITEEE PCBE Mock Test - 3 - Question 67

Graph of maximum kinetic energy of the photoelectrons against ν, the frequency of the incident radiation on the metal, is a straight line of slope equal to

VITEEE PCBE Mock Test - 3 - Question 68

Radius of curvature of convex mirror is 40 cm and the size of object is twice as that of image.Then the image distance is

VITEEE PCBE Mock Test - 3 - Question 69

For a transistor, if current gain in the common-base is 0.96, then current gain in common-emitter is

VITEEE PCBE Mock Test - 3 - Question 70

Light propagates rectilinearly because of its

VITEEE PCBE Mock Test - 3 - Question 71

When a p - n junction diode is reverse biased, the thickness of the depletion layer

VITEEE PCBE Mock Test - 3 - Question 72

The impurity to be added to get n - type semiconductor is

VITEEE PCBE Mock Test - 3 - Question 73

The difference in the variation of resistance with temperature in a metal and a semiconductor arises essentially due to the difference in the

VITEEE PCBE Mock Test - 3 - Question 74

What is the voltage gain in a common emitter amplifier, where input resistance is 3 Ω and load resistance 24 Ω, β = 0.6 ?

VITEEE PCBE Mock Test - 3 - Question 75

In p-type semiconductors conduction is due to

VITEEE PCBE Mock Test - 3 - Question 76

Indium impurity in germanium takes

VITEEE PCBE Mock Test - 3 - Question 77

When distance between source of light and observer decreases, then the apparent frequency of light

VITEEE PCBE Mock Test - 3 - Question 78

In Young's double slit interference experiment the wavelength of light used is 6000 Å . If the path difference between waves reaching a point P on the screen is 1.5 microns, then at that point P

VITEEE PCBE Mock Test - 3 - Question 79

If ratio of amplitude of two waves is 4:3, then ratio of maximum and minimum intensity is

VITEEE PCBE Mock Test - 3 - Question 80

In Young's experiment of double slit, the intensity of central bright band is ---- times the individual intensities of the interfering waves

VITEEE PCBE Mock Test - 3 - Question 81

Proof spirit (by volume) is a mixture of

VITEEE PCBE Mock Test - 3 - Question 82

The reaction of Grignard reagent with formaldehyde followed by acidification gives

VITEEE PCBE Mock Test - 3 - Question 83

Which of the following does not give red ppt. with Fehling solution?

VITEEE PCBE Mock Test - 3 - Question 84

Which of the following reagents cannot be used to distinguish between hexanal and 2-hexanone?

VITEEE PCBE Mock Test - 3 - Question 85

100 mL of PH₃ on decomposition produced phosphorus and hydrogen. The change in volume is

VITEEE PCBE Mock Test - 3 - Question 86

The number of equivalents of Na2S2O3 required for the volumetric estimation of one equivalent of Cu2+ is

Detailed Solution for VITEEE PCBE Mock Test - 3 - Question 86

Volumetric estimation of Cu2+ is carried out iodometrically as follows:
2 Cu2+ + 4 Kl = 2 Cul2 + 4K+
2 Cul2 = 2 Cul + l2
This liberated l2 is titrated against Na2S2O3 solution
2Na2S2O3 + l2 = Na2S4O6 + 2 Nal
2 moles Cu2+ ions ≡ 1 mole l2 ≡ 2 moles of Na2S2O3
∴ 1 mole Cu2+ ion ≡ 1 mole Na2S2O3
Eq. wt. of Na2S2O3 = mol. wt
∴ 1 mole Cu2+ ion ≡ 1 Eq. wt. of Na2S2O3

VITEEE PCBE Mock Test - 3 - Question 87

Pentene-1 with HCl gives

VITEEE PCBE Mock Test - 3 - Question 88

Which of the following method is most appropriate for the manufacture of methane?

VITEEE PCBE Mock Test - 3 - Question 89

The colour of the precipitate formed when a reducing sugar is heated with Fehling solution is

VITEEE PCBE Mock Test - 3 - Question 90

DNA has deoxyribose, a base and the third component is

VITEEE PCBE Mock Test - 3 - Question 91

Essential human diet is

VITEEE PCBE Mock Test - 3 - Question 92

Acetamide and NaOBr/OH⁻ produce

VITEEE PCBE Mock Test - 3 - Question 93

In the above sequence of reactions, A and B are

VITEEE PCBE Mock Test - 3 - Question 94

Sulphonation of benzoic acid produces mainly

VITEEE PCBE Mock Test - 3 - Question 95

The rate, at which a substance reacts at constant temperature, depends upon its

VITEEE PCBE Mock Test - 3 - Question 96

A vessel at equilibrium, contains SO₃, SO₂ and O₂. Now some helium gas is added, so that total pressure increases while temperature and volume remain constant. According to Le-Chatelier's principle, the dissociation of SO₃

VITEEE PCBE Mock Test - 3 - Question 97

The heat of neutralisation is maximum when

Detailed Solution for VITEEE PCBE Mock Test - 3 - Question 97

The heat of neutralisation of any strong acid (HCl, HNO3, H2SO4) with a strong base (LiOH, NaOH, KOH) is always maximum (57.1 kJ). In case, either the acid or the base or both are weak, the heat of neutralisationis usually less than 57.1 kJ.

VITEEE PCBE Mock Test - 3 - Question 98

The compound formed on heating chlorobenzene with chloral in the presence of concentrated sulphuric acid is

VITEEE PCBE Mock Test - 3 - Question 99

The Δ H value for the reaction H2 + Cl2  → 2 HCl is − 44.12 K.cal. If E1 is the activation energy of the reactants and E2 is the activation energy of the products, then for the above reaction

VITEEE PCBE Mock Test - 3 - Question 100

Plants and living beings are the examples of

VITEEE PCBE Mock Test - 3 - Question 101

IUPAC name of CH₃CH = CH-C ≡ CH is

VITEEE PCBE Mock Test - 3 - Question 102

The co-ordination number of a central metal atom in the complex is determine by

VITEEE PCBE Mock Test - 3 - Question 103

Which one of the following will not show geometrical isomerism?

VITEEE PCBE Mock Test - 3 - Question 104

Which of the following reagent can be used to convert benzene diazonium chloride into benzene ?

VITEEE PCBE Mock Test - 3 - Question 105

In the following reaction C₆H₆NH₂ + CHCl₃ + 3NaOH → A + 3B + 3C the product A is

VITEEE PCBE Mock Test - 3 - Question 106

The equivalent conductance of NaCl, HCl and C₂H₅COONa at infinite dilution are 126.45, 426.16 and 91 ohm-1 cm2 respectively. The eq. conductance of C₂H₅COOH is

VITEEE PCBE Mock Test - 3 - Question 107

Acetic anhydride reacts with diethyl ether in the presence of anhydrous AlCl₃ to give

VITEEE PCBE Mock Test - 3 - Question 108

The molar conductances of NaCl, HCl and CH₃COOHa at infinite dilution are 126.45, 426.16 and 91 Ω-1-cm2-mol-1 respectively. The molar conductance of CH₃COOH at infinite dilution i s

VITEEE PCBE Mock Test - 3 - Question 109

Iron rusts in the presence of

VITEEE PCBE Mock Test - 3 - Question 110

When oxalic acid is dehydrated by conc. H₂SO₄, then it forms

VITEEE PCBE Mock Test - 3 - Question 111

What is hybridization of P in Pcl₅ ?

VITEEE PCBE Mock Test - 3 - Question 112

Iron ore is concentrated by

VITEEE PCBE Mock Test - 3 - Question 113

Vapour pressure of a substance on increasing temperature

VITEEE PCBE Mock Test - 3 - Question 114

The acid which forms two series of salts is

VITEEE PCBE Mock Test - 3 - Question 115

Chlorine is in +1 oxidation state in

VITEEE PCBE Mock Test - 3 - Question 116
By Fischer projections glyceryl aldehyde is represented as:
VITEEE PCBE Mock Test - 3 - Question 117

Which of the following describes the hexagonal close packed arrangement of spheres?

VITEEE PCBE Mock Test - 3 - Question 118

Which one of the following substances is not used for preparing lyophillic sols?

VITEEE PCBE Mock Test - 3 - Question 119

CuCl₂ and CuBr₂ exist as

VITEEE PCBE Mock Test - 3 - Question 120

The basic character of the transition metal monoxides follows the order

VITEEE PCBE Mock Test - 3 - Question 121

Find the Antonym of LEND

VITEEE PCBE Mock Test - 3 - Question 122

Find the Syonym of ABORIGINAL

VITEEE PCBE Mock Test - 3 - Question 123

Fill in the blank with appropriate word.
He lost the match easily because he had played a.........five set match in the earlier round.

VITEEE PCBE Mock Test - 3 - Question 124

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

To end in smoke

VITEEE PCBE Mock Test - 3 - Question 125

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

No one could explain how a calm and balanced person like him could PENETRATE such a mindless act on his friends.

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