VITEEE PCBE Mock Test - 6


125 Questions MCQ Test VITEEE: Subject Wise and Full Length MOCK Tests | VITEEE PCBE Mock Test - 6


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This mock test of VITEEE PCBE Mock Test - 6 for JEE helps you for every JEE entrance exam. This contains 125 Multiple Choice Questions for JEE VITEEE PCBE Mock Test - 6 (mcq) to study with solutions a complete question bank. The solved questions answers in this VITEEE PCBE Mock Test - 6 quiz give you a good mix of easy questions and tough questions. JEE students definitely take this VITEEE PCBE Mock Test - 6 exercise for a better result in the exam. You can find other VITEEE PCBE Mock Test - 6 extra questions, long questions & short questions for JEE on EduRev as well by searching above.
QUESTION: 1

Vascular bundles of Cucurbita stem are

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QUESTION: 2

Structure common to Housefly and Cockroach is

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QUESTION: 3

Moisturising gel is extracted from

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QUESTION: 4
Absolute refractory period of heart is
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QUESTION: 5
Lampbrush chromosomes occur inside
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QUESTION: 6
Ajmalicin is found in
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QUESTION: 7
Golgi complex is specialised for
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QUESTION: 8
A thoroughly washed beet root slice kept in water at room temperature does not lose anthocyanin pigment because plasma membrane is
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QUESTION: 9
In an upright pyramid of biomass, the herbivores occupy the position
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QUESTION: 10
Which were dominant in mesozoic era?
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QUESTION: 11
Which of the following is not included in coenozoic era?
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QUESTION: 12
Potato and Sweet Potato have edible parts which are
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QUESTION: 13
Genetic code was discovered by frameshift mutation by
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QUESTION: 14
Extranuclear DNA occurs in
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QUESTION: 15
Who established that RNA can be genetic material ?
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QUESTION: 16
Mendel formulated the law of purity of gametes on the basis of
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QUESTION: 17
Genotype is
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QUESTION: 18
Turner's syndrome does not occur in males(44 + Y) because
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QUESTION: 19
A human male has one one barr body in his somatic cell nuclei. The chromosome constitution must be
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QUESTION: 20
Asthama is a respiratory disorder due to
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QUESTION: 21
Hypersensitivity to an allergen is due to
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QUESTION: 22
The largest flower in the world is that of
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QUESTION: 23
A person is injected with gammaglobulin against hepatitis B. It is
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QUESTION: 24
Xylem growth is centripetal in
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QUESTION: 25
Druse is a cystal or deposit of
Solution:
QUESTION: 26
The specific function of light energy in the process of photosynthesis is to
Solution: In Photosystem I, light energy activates electrons of the Photosystem II pigments. These pigments transfer the energy of their excited electrons to a special Photosystem II chlorophyll molecule, P680, that absorbs light best in the red region at 680 nanometers.
QUESTION: 27
Nitrogen fixation occurs in
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QUESTION: 28
Biotechnology is
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QUESTION: 29
Which one contains only living cells ?
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QUESTION: 30
Methane gas producing field is
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QUESTION: 31
In Minamata Bay of Japan, the animals which remained free from Minamata disease, are
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QUESTION: 32
Exposure to noise pollution causes
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QUESTION: 33
Infection of Entamoeba histolytica is prevented by :
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QUESTION: 34
Bulbovestibular gland is found in female rabbit. It is also known as
Solution:
QUESTION: 35
Of the two brothers, one living in hilly area and other on sea level; the one living on hilly area will have
Solution:
QUESTION: 36
Some bacteria can grow in streptomycin containing medium due to
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QUESTION: 37
Lederberg's replica experiment is connected with
Solution:
QUESTION: 38
Which of the following is produced in response to a high solute concentration in the blood?
Solution:
QUESTION: 39
In a famous experiment, A.Weismann cut off tails of new-born mice generation after generation. At the end of experiment, tails of mice neither disappeared nor shortened. This experiment
Solution:
QUESTION: 40
The inability to regulate the concentration of sodium ions in the blood could be due to improper functioning of the
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QUESTION: 41

The ground state energy of hydrogen atom is -13.6 eV . When its electron is the first excited state , its excitation energy is

Solution:

Excitation energy = Ef - Ei
= - 3.4 - (-13.6) = 10.2 eV

QUESTION: 42

A transformer connected to 220 volt line shows an output of 2 A at 11000 volt. The efficiency is 100%. The current drawn from the line is

Solution:
QUESTION: 43

Sodium has body centred packing. Distance between two nearest atoms is 3.7 Å . The lattice parameter is:

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QUESTION: 44

The capacity of an isolated conducting sphere radius R is propotional to

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QUESTION: 45

The internal resistance of a primary cell is 4 Ω. It generates a current of 0.2 A in an external resistance of 21 Ω. The rate at which chemical energy is consumed in providing the current is

Solution:
QUESTION: 46

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

Solution:
QUESTION: 47

Conductivity increases in the order of

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QUESTION: 48

Consider the following statements
Assertion (A) : In a simple battery circuit, the point of the lowest potential is positive terminal of the battery
Reason (R) : The current flows towards the point of the higher potential, as it does in such a circuit from the negative to the positive terminal
(where x is the displacement)
Of these statements

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QUESTION: 49

A battery of e.m.f. 6 V and internal resistance 4 Ω is connected to a external resistor. If the current in the circuit is 0.5 A, then terminal voltage of battery when the circuit is closed, is

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QUESTION: 50

The resistance of a wire is R. If the length of the wire is doubled by stretching, then the new resistance will be

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QUESTION: 51

Which of the following is a correct statement?

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QUESTION: 52

A transformer is used to light a 100W and 110V lamp from a 220V mains. If the main current is 0.5A, the efficiency of the transformer is approximately

Solution:
QUESTION: 53

Energy needed to establish an alternating current I in a coil of self inductance L is

Solution:

E = 1/2 LI2

QUESTION: 54

An alternating potential V =V0 sin ωt is applied across a circuit. As a result, the current I=I0 sin (ωt-π/2) flows in it. The power consumed in the circuit per cycle is

Solution:

P = Eν Iν cosØ = Eν Iν cos 90 = zero.

QUESTION: 55

Heat radiations propagate with the speed of

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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

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QUESTION: 57

Two charges -10 C and + 10 C are placed 10cm apart. Potential at the centre of the line joining two charges is

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QUESTION: 58

n small drops of same size are charged to V volt each. They coalesce to form a bigger drop. The potential of the bigger drop is

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QUESTION: 59

The capacity of a condenser 'A' is 10 μ F and it is charged by a battery of 100V. The battery is disconnected and the condenser is connected to a condenser 'B'. The common potential is 40V. The capacity of 'B' is

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QUESTION: 60

Two point charges of +4 μC and -6 μC are separated by a distance of 20 cm in air. At what point, on the line joining the two charges from charge +4 μC, the electric potential will be zero?

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QUESTION: 61

Van de Graaff electrostatic generator is based on

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QUESTION: 62

A beam of light travelling along x-axis is described by the electric field Ey = 600 V m-1 sin ω(t − x ∕ c)     then maximum magnetic force on a charge q = 2e, moving along y-axis with a speed of 3.0 x 107 m s-1 is e = 1.6 x 10-19C

Solution:
QUESTION: 63

A radioactive element has a half life of 15 years. The fraction that will decay in 30 years is

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QUESTION: 64

In the following reaction the energy released is 4 1H1  → 2He4  + 2 +1e0  + energy

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QUESTION: 65

The energy released per fission of a U235 nucleus is around

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QUESTION: 66

A mercury vapour lamp is the example of

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QUESTION: 67

Einstein's work on the photoelectric effect provied support for the equation

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QUESTION: 68

The maximum wavelength of radiation that can produce photoelectric effect in certain metal is 200 nm. The maximum kinetic energy acquired by electron due to radiation of wavelength 100 nm will be

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QUESTION: 69

The magnifying power of a simple microscope M is given by

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QUESTION: 70

Region without free electrons and holes in a p-n junction is

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QUESTION: 71

A piece of Aluminium and Germanium each are cooled from T1K to T2K. The resistance of

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QUESTION: 72

A zener diode works on the principle of

Solution:
QUESTION: 73

Which of the following statement is correct?

Solution:
QUESTION: 74

With rise in temperature, the specific resistance of semiconductors

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QUESTION: 75

In a P-type semiconductor

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QUESTION: 76

When a p-n junction diode is reverse biased, the flow of current across the junction is mainly due to

Solution:
QUESTION: 77

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

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QUESTION: 78

The sun is rotating about is own axis. The spectral lines emitted from the two ends of its equator, for an observer on the earth, will show

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QUESTION: 79

Who was the first to demonstrate the phenomenon of interference of light?

Solution:
QUESTION: 80

When light wave suffer reflection at the interface between air and glass, the change of phase of reflected wave is equal to

Solution:
QUESTION: 81

n-Propyl alcohol and isopropyl alcohol can be chemically distinguished by which reagent

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QUESTION: 82

Aldol condensation will not be observed in

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QUESTION: 83

Which of the following compounds containing carbonyl group will give coloured crystalline compound with

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QUESTION: 84

During reduction of carbonyl compounds by hydrazine and KOH, the first intermediate formed is

Solution:
QUESTION: 85

When ethylbromide and n-propyl bromide is allowed to react with sodium, in ether, they form

Solution:
QUESTION: 86

Ozonolysis of C₇H₁₄ gave 2-methyl-3-pentanone toluene. The alkene is

Solution:
QUESTION: 87

Homolytic fission of C - C bond in ethane gives an intermediate in which carbon is

Solution:

Homolytic fission of C — C bond gives free radicals in which carbon is sp2 hybridised.

QUESTION: 88

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

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QUESTION: 89

The disaccharide present in milk is

Solution:
QUESTION: 90

An example of amino acid containing benzene ring is

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QUESTION: 91

Ethyl isocyanide on acidic hydrolysis generates

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QUESTION: 92

Enzymes belongs to the class of compounds

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QUESTION: 93

Calcium acetate when dry distilled gives

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QUESTION: 94

The reaction N₂ + O₂ → 2NO is endothermic . The forward reaction is

Solution:
QUESTION: 95

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

Solution:
QUESTION: 96

A compound with molecular mass 180 is acylated with CH3COCl to get a compound with molecular mass 390. The number of amino groups present per molecule of the former compound is:

Solution:

QUESTION: 97

Aspirin is an acetylation product of

Solution:
QUESTION: 98

Given C(s) + O₂(g) → CO₂(g) ; ∆H = −395kJ, S(s) + O₂(g) → SO₂(g);∆H = −295kJ , CS₂(l) + 3O₂(g) → CO₂(g) + 2SO₂(g) ; ∆H = −1110kJ. The heat of formation of CS₂(l) is

Solution:
QUESTION: 99

The IUPAC name of dextro K₃[Ir(C₂O₄)₃] is

Solution:
QUESTION: 100

What is the entropy change (in J K-1 mol-1), when one mole of ice is converted into water at 00C? (The enthalpy change for the conversion of ice to liquid water is 6.0kJ mol-1 at 00C)

Solution:

QUESTION: 101

Given the bond energies of N ≡ N , H − H and N − H bonds as 941.5, 433 and 391 kJ mole-1 respectively, the enthalpy of reaction N 2 g + 3 H2 g → 2 NH3 g is

Solution:

Enthalpy of reaction = ∑ bond energyreactant - ∑ bond energyproduct
= bond energy (n2) + 3 x (bond energy) (h2) - 2 x (bond energy) (NH3)
= 941.5 + (3 x 433) - 2 x 3 x 391
= 2240.5 - 2346 = 105.4 ≅ -105kJ

QUESTION: 102

IUPAC name of (CH3)2 CH CH2 CH2 Cl is

Solution:

QUESTION: 103

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

Solution:
QUESTION: 104

In a galvanic cell, the electrons flow from

Solution:
QUESTION: 105

Acetaldoxime reacts with P₂O₅ to give

Solution:
QUESTION: 106

What will be the weight of silver deposited on passing 965 coulombs of electricity in solution of AgNO₃ ?

Solution:
QUESTION: 107

The hydrid state of Ni in Ni(CO)₄ is

Solution:
QUESTION: 108

Solution:

Cell Ni|Ni2+ (1M)||Cl- (1M)| + Cl2 Pt
EMF of the cell = ECathode - EAnode
Or E = ERight - Eleft
= 1.36 - (- 0.25)
= 1.36 + 0.25
EMF = +1.61 V

QUESTION: 109

Which of the following process is not used for the purification of solid impurites?

Solution:
QUESTION: 110

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

Solution:
QUESTION: 111

The element that does not form a monoxide is

Solution:
QUESTION: 112

At higher altitude the boiling point of water lowers because

Solution:
QUESTION: 113

Of the following compounds, the most acidic is

Solution:
QUESTION: 114

Which one of the following compounds does not exist ?

Solution:
QUESTION: 115

Carbon is in the lowest oxidation state in

Solution:
QUESTION: 116

Coordination number of Na⁺ in NaCl is

Solution:
QUESTION: 117

Compound A below

Solution:
QUESTION: 118

In chemisorption, adsorption decreases after increase due to

Solution:
QUESTION: 119

Which of the following pairs of ions are colourless?

Solution:
QUESTION: 120

CuCl₂ and CuBr₂ exist as

Solution:
QUESTION: 121

Find the Antonym of GATHERED

Solution:
QUESTION: 122

Fill in the blank with appropriate word.
However, the group's long term stretegy is to.........on core sector businesses connected with infrastructure and energy

Solution:
QUESTION: 123

Find the Syonym of ARTIFACT

Solution:
QUESTION: 124

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

Feathering one's nest

Solution:
QUESTION: 125

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

When Rip Van Winkle awoke from his long sleep, he asked where I AM.

Solution:

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