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VITEEE PCBE Mock Test - 1


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125 Questions MCQ Test VITEEE: Subject Wise and Full Length MOCK Tests | VITEEE PCBE Mock Test - 1

VITEEE PCBE Mock Test - 1 for JEE 2022 is part of VITEEE: Subject Wise and Full Length MOCK Tests preparation. The VITEEE PCBE Mock Test - 1 questions and answers have been prepared according to the JEE exam syllabus.The VITEEE PCBE Mock Test - 1 MCQs are made for JEE 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for VITEEE PCBE Mock Test - 1 below.
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VITEEE PCBE Mock Test - 1 - Question 1

Velamen takes part in

VITEEE PCBE Mock Test - 1 - Question 2

Larva of 'Culex' floats on surface of water with its head

VITEEE PCBE Mock Test - 1 - Question 3

The latest trend in plant disease control is

VITEEE PCBE Mock Test - 1 - Question 4

Which is a component of chlorophyll ?

VITEEE PCBE Mock Test - 1 - Question 5

High blood pressure can be the result of

VITEEE PCBE Mock Test - 1 - Question 6

Agranal chloroplasts are found in some

VITEEE PCBE Mock Test - 1 - Question 7

Cell organelle covered by a single unit membrane is

VITEEE PCBE Mock Test - 1 - Question 8

Cell recognition and adhesion occur due to biochemicals of cell membranes named

VITEEE PCBE Mock Test - 1 - Question 9

If the decomposers become extinct, the most severely affected would be

VITEEE PCBE Mock Test - 1 - Question 10

Which is a set of evidence of evolution

VITEEE PCBE Mock Test - 1 - Question 11

The organs which look different but having same basic principle structure and origin are known as

VITEEE PCBE Mock Test - 1 - Question 12

Which are not homologous?

VITEEE PCBE Mock Test - 1 - Question 13

Somaclonal variation can be obtained by

VITEEE PCBE Mock Test - 1 - Question 14

Pneumococcus experiment proves that

VITEEE PCBE Mock Test - 1 - Question 15

Out of 64 codons, 61 code for 20 types of amino acids. It is due to

VITEEE PCBE Mock Test - 1 - Question 16

The plasmid

VITEEE PCBE Mock Test - 1 - Question 17

Epistasis results due to

VITEEE PCBE Mock Test - 1 - 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 - 1 - Question 19

Patients with sex-linked disorder of Duchenne's muscular dystrophy die by the age of

VITEEE PCBE Mock Test - 1 - Question 20

An antibody is

VITEEE PCBE Mock Test - 1 - Question 21

which is introduced during small pox vaccination?

VITEEE PCBE Mock Test - 1 - Question 22

Blood group O has

VITEEE PCBE Mock Test - 1 - Question 23

Prop roots are modified into adventitious roots in

VITEEE PCBE Mock Test - 1 - Question 24

In a flowering plant, archesporium gives rise to

VITEEE PCBE Mock Test - 1 - Question 25

Roots can be used for vegetative propagastion of

VITEEE PCBE Mock Test - 1 - Question 26

Which one is required for photosynthetic evolution of oxygen ?

VITEEE PCBE Mock Test - 1 - Question 27

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

VITEEE PCBE Mock Test - 1 - Question 28

Agriculture was originated in mesolithic age about

VITEEE PCBE Mock Test - 1 - Question 29

Small, thin walled elongated cells associated with sieve tube elements are

VITEEE PCBE Mock Test - 1 - Question 30

Taj may be destroyed by

VITEEE PCBE Mock Test - 1 - Question 31

In coming years, skin related disorders will become more common due to

VITEEE PCBE Mock Test - 1 - Question 32

A person has impaired nervous system and signs of madness due to continued intake of metal contaminated water. The metal is

VITEEE PCBE Mock Test - 1 - Question 33

Amoeba ingests food by :

VITEEE PCBE Mock Test - 1 - Question 34

Which of the following store sperm cells and eliminate those that have major genetic defects?

VITEEE PCBE Mock Test - 1 - Question 35

Circulation of blood was discovered by and father of blood circulation is

VITEEE PCBE Mock Test - 1 - Question 36

Name the antibiotic used in the Lederberg's replica plating experiment

VITEEE PCBE Mock Test - 1 - Question 37

Hugo de Vries' contribution is

VITEEE PCBE Mock Test - 1 - Question 38

The scientist who proposed the first theory of evolution was

VITEEE PCBE Mock Test - 1 - Question 39

The inability to regulate the concentration of sodium ions in the blood could be due to improper functioning of the

VITEEE PCBE Mock Test - 1 - Question 40

Filtrate enters the Bowman’s capsule by

VITEEE PCBE Mock Test - 1 - Question 41

The potential difference V and the current I flowing through an instrument in an A.C. circuit of frequency f are given by V = 5 cos ωt volts and I = 2 sin ωt amperes (where ω = 2πf). The power dissipated in the instrument is

Detailed Solution for VITEEE PCBE Mock Test - 1 - Question 41

VITEEE PCBE Mock Test - 1 - Question 42

In photoelectric phenomenon, the number of photo electrons emitted depends on

Detailed Solution for VITEEE PCBE Mock Test - 1 - Question 42

Photoelectric current depends on the intensity of incident light,
the number of photoelectrons emitted per second is directly proportional to the intensity of incident radiation.

VITEEE PCBE Mock Test - 1 - Question 43

The order of wavelength of X - ray is

VITEEE PCBE Mock Test - 1 - Question 44

An air capacitor of capacity C = 10μ F is connected to a constant voltage battery of 12 volt. Now the space between the plates is filled with a liquid of dielectric constant 5. The charge that flows now from battery to the capacitor is

Detailed Solution for VITEEE PCBE Mock Test - 1 - Question 44

C = 10 μ F
Charge in capacitor q = CV
= 10 x 12
= 120 μ C
On keeping liquid of dielectric constant5, capacity will becomes of 5 time.
∴ Charge q = 5 x 120
= 600 μ C

VITEEE PCBE Mock Test - 1 - Question 45

The relation between Faraday constant F, electron charge e, and Avogardo Number N is

VITEEE PCBE Mock Test - 1 - Question 46

Consider telecommunication through optical fibres. Which of the following statements is not correct

VITEEE PCBE Mock Test - 1 - Question 47

A steady current is passing through a conductor of non-uniform cross-section. The net quantity of charge crossing any cross-section per second is

VITEEE PCBE Mock Test - 1 - Question 48

The internal resistance of a cell is the resistance of

VITEEE PCBE Mock Test - 1 - Question 49

For a cell, the terminal potential difference is 3.6 V, when the circuit is open. If the potential difference reduces to 3 V, when cell is connected to a resistance of 5 Ω, the internal resistance of cell is

VITEEE PCBE Mock Test - 1 - Question 50

When a resistance of 2 Ω is connected across the terminals of a cell, the current is 0.5 amperes. When the resistance is increased to 5 ohm, the current is 0.25 amperes. The internal resistance of the cell is

VITEEE PCBE Mock Test - 1 - Question 51

In an electron gun the control grid is given to negative potential relative to cathode in order to

VITEEE PCBE Mock Test - 1 - Question 52

In a D.C. motor induced e.m.f will be maximum

VITEEE PCBE Mock Test - 1 - Question 53

In an ideal transformer, the voltage and the current in the primary are 200 V, 2A and that in the secondary are 2000 V, 1A. The value of is (in A).

VITEEE PCBE Mock Test - 1 - Question 54

The Lenz's law gives

VITEEE PCBE Mock Test - 1 - Question 55

Which of the following rays are not electromagnetic waves?

VITEEE PCBE Mock Test - 1 - 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 - 1 - Question 57

An electron of charge e coulomb passes through a potential difference of V volt. Its energy in joule will be

VITEEE PCBE Mock Test - 1 - Question 58

A hollow metal sphere of radious 10 cm is charged such that the potential on its surface is 80V. The potential at the centre of the sphere is

VITEEE PCBE Mock Test - 1 - Question 59

A point charge Q is placed at a distance d from the centre of an uncharged conduction sphere of radius R. The potential of the sphere is d > R :

VITEEE PCBE Mock Test - 1 - Question 60

In C.G.S system the capacity of a spherical conductor is numerically equal to its

VITEEE PCBE Mock Test - 1 - Question 61

If 4x1020  eV of energy is required to move a charge of 0.25 coluomb between two points, the p.d between them is

VITEEE PCBE Mock Test - 1 - Question 62

A charged particle moving in a magnetic field experiences a resultant force

VITEEE PCBE Mock Test - 1 - Question 63

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 - 1 - Question 64

The radio of the radii of the nuclei 13Al27 and 52Te152  is

VITEEE PCBE Mock Test - 1 - Question 65

In photoelectric effect, the work function of a metal is 3.5 eV. The emitted electrons can be stopped by applying a potential of -1.2 V. Then

VITEEE PCBE Mock Test - 1 - Question 66

A cesium photocell, with a steady potential difference of 60 V across it, is illuminated by a bright point source of light 50 cm away. When the same light is placed 1 metre away, the photoelectrons emitted from the cell

VITEEE PCBE Mock Test - 1 - Question 67

In a Huygen's eye piece with an eyepiece of focal length F, the distance between the eye-piece and field lens should be

VITEEE PCBE Mock Test - 1 - Question 68

Chromatic and spherical aberration are absent in

VITEEE PCBE Mock Test - 1 - Question 69

In an n-p-n transistor

VITEEE PCBE Mock Test - 1 - Question 70

In carbon cycle of fusion

VITEEE PCBE Mock Test - 1 - Question 71

Transistor can be used as

VITEEE PCBE Mock Test - 1 - Question 72

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

VITEEE PCBE Mock Test - 1 - Question 73

The energy gap of silicon is 1.14 eV. The maximum wavelength at which silicon will begin absorbing energy is

VITEEE PCBE Mock Test - 1 - Question 74

The intrinsic semiconductor becomes an insulator at

VITEEE PCBE Mock Test - 1 - Question 75

Electrical conductivity of a semiconductor

VITEEE PCBE Mock Test - 1 - Question 76

P-type semiconductor is formed when
A. As impurity is mixed in Si
B. Al impurity is mixed in Si
C. B impurity is mixed in Ge
D. P impurity is mixed in Ge

VITEEE PCBE Mock Test - 1 - Question 77

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 - 1 - Question 78

In young's double slit experiment, the intensity of central maximum is I. It one slit is closed, the intensity at the same place will become

VITEEE PCBE Mock Test - 1 - 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 - 1 - Question 80

A wave front travels

VITEEE PCBE Mock Test - 1 - Question 81

Which of the following enzymes converts glucose into ethyl alcohol?

VITEEE PCBE Mock Test - 1 - Question 82

A compound possessing α-hydrogen atom, in the presence of dilute alkali forms β-hydroxy aldehyde. This product on heating with dilute acid forms an unsaturated crotonaldehyde. The compound is

VITEEE PCBE Mock Test - 1 - Question 83

Which of the following will give Cannizzaro reaction?

VITEEE PCBE Mock Test - 1 - Question 84

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

VITEEE PCBE Mock Test - 1 - Question 85

Which alkene gives the same product by the Markownikoff's and anti-Markownikoff's method

VITEEE PCBE Mock Test - 1 - Question 86

4.4 g of an unknown gas occupies 2.24 L of volume at standard temperature and pressure. The gas may be

VITEEE PCBE Mock Test - 1 - Question 87

The number of moles of sodium oxide in 620 g of it is

VITEEE PCBE Mock Test - 1 - Question 88

Which carbohydrates is an essential constituent of plant cells?

VITEEE PCBE Mock Test - 1 - Question 89

Glucose when treated with CH₃OH in the presence of dry HCl gives α and β-methylglucodsides because it contains

VITEEE PCBE Mock Test - 1 - Question 90

Which of the following is not present in RNA?

VITEEE PCBE Mock Test - 1 - Question 91

Acidic hydrolysis of acetamide gives

VITEEE PCBE Mock Test - 1 - Question 92

Which of the following compounds on boiling with KMnO₄ and the subsequent acidification will not give benzoic acid ?

VITEEE PCBE Mock Test - 1 - Question 93

The acid showing salt like character in aqueous solutions is

VITEEE PCBE Mock Test - 1 - Question 94

A cylinder filled with a movable piston contains liquid water in equilibrium with water vapour at 25oC. Which one of the following operations results in a decreace in the equilibrium vapour pressure ?

VITEEE PCBE Mock Test - 1 - Question 95

Two moles of HI was heated in a sealed tube at 440oC till the equilibrium was reached. HI was found to be 22% decomposed. The equilibrium constant for dissociation is

VITEEE PCBE Mock Test - 1 - Question 96

Heat exchanged in a chemical reaction at constant temperature and pressure is called

VITEEE PCBE Mock Test - 1 - Question 97

In which of the following reactions, heat liberated is known as standard heat of formation of CO2?

VITEEE PCBE Mock Test - 1 - Question 98

An alkane C7H16 is produced by the reaction of Lithium di (3-pentyl) cuperate with ethyl bromide. The structural formula of product is

VITEEE PCBE Mock Test - 1 - Question 99

In a closed insulated container, a liquid is stirred with a paddle to increase its temperature. In this process, which of the following is true?

VITEEE PCBE Mock Test - 1 - Question 100

Bartituric acid and its derivatives are well known as

VITEEE PCBE Mock Test - 1 - Question 101

The IUPAC name of the following compound
CH₃-C(CH₃)₂-CH = C(CH₃)₂ is

VITEEE PCBE Mock Test - 1 - Question 102

Both geometrical and optical isomerisms are shown by

VITEEE PCBE Mock Test - 1 - Question 103

One mole of complex compound Co(NH₃)₅ Cl₃ gives 3 mol of ions on dissolution in water. One mol of same complex reacts with two mol of AgNO₃ solution to form two mol of AgCl(s). The struture of complex is

VITEEE PCBE Mock Test - 1 - Question 104

Hydrolysis of acetonitrile in acid medium gives

VITEEE PCBE Mock Test - 1 - Question 105

Compound A has a molecular formula C₇H₇NO on treatment with Br₂/KOH, A gives an amine B which respond to carbylamine test. B on diazotisation and coupling with phenol give an azo dye. A can be

VITEEE PCBE Mock Test - 1 - Question 106

When 9.65 Coulombs of electricity is passed through a solution of silver nitrate (atomic weight of Ag = 107.87 taking as 108.0) the amount of Silver deposited is

VITEEE PCBE Mock Test - 1 - Question 107

Which of the following is not a strong electrolyte?

VITEEE PCBE Mock Test - 1 - Question 108

In which cell of the free energy of a chemical reaction is directly converted into electricity ?

VITEEE PCBE Mock Test - 1 - Question 109

tert-Butyl methyl ether on heating with HI of one molar concentration gives

VITEEE PCBE Mock Test - 1 - Question 110

The removal of gangue from the ore is called

VITEEE PCBE Mock Test - 1 - Question 111

According to the kinetic theory of gases, in an ideal gas, between two successive collisions a gas molecules travels

VITEEE PCBE Mock Test - 1 - Question 112

Lead is maximum in

VITEEE PCBE Mock Test - 1 - Question 113

PCl₃ reacts with water to form

VITEEE PCBE Mock Test - 1 - Question 114

What is hybridization of P in Pcl₅ ?

VITEEE PCBE Mock Test - 1 - Question 115

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

VITEEE PCBE Mock Test - 1 - Question 116

The crystal system of a compound with unit cell dimensions a=0.387, b=0.387 and c=0.0504 nm and α = β = 90and γ = 120is

VITEEE PCBE Mock Test - 1 - Question 117

In the following structure

VITEEE PCBE Mock Test - 1 - Question 118

Adsorption is a phenomenon, in which a substance

VITEEE PCBE Mock Test - 1 - Question 119

Transition elements are

VITEEE PCBE Mock Test - 1 - Question 120

The first transition element is

VITEEE PCBE Mock Test - 1 - Question 121

Find the antonym of ACCIDENTAL.

VITEEE PCBE Mock Test - 1 - Question 122

Fill in the blank with appropriate word.
.......... works of reference are so valuable as the Encyclopaedia Britannica.

VITEEE PCBE Mock Test - 1 - Question 123

Find the Syonym of ALERT

VITEEE PCBE Mock Test - 1 - Question 124

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

To pour oil in troubled water

VITEEE PCBE Mock Test - 1 - Question 125

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

Most people feel that the most important reason to recycle is ITS EMPECT on future generations.

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