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VITEEE PCBE Mock Test - 6


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

VITEEE PCBE Mock Test - 6 for JEE 2023 is part of VITEEE: Subject Wise and Full Length MOCK Tests preparation. The VITEEE PCBE Mock Test - 6 questions and answers have been prepared according to the JEE exam syllabus.The VITEEE PCBE Mock Test - 6 MCQs are made for JEE 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for VITEEE PCBE Mock Test - 6 below.
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VITEEE PCBE Mock Test - 6 - Question 1

Vascular bundles of Cucurbita stem are

VITEEE PCBE Mock Test - 6 - Question 2

Structure common to Housefly and Cockroach is

VITEEE PCBE Mock Test - 6 - Question 3

Moisturising gel is extracted from

VITEEE PCBE Mock Test - 6 - Question 4
Absolute refractory period of heart is
VITEEE PCBE Mock Test - 6 - Question 5
Lampbrush chromosomes occur inside
VITEEE PCBE Mock Test - 6 - Question 6
Ajmalicin is found in
VITEEE PCBE Mock Test - 6 - Question 7
Golgi complex is specialised for
VITEEE PCBE Mock Test - 6 - Question 8
A thoroughly washed beet root slice kept in water at room temperature does not lose anthocyanin pigment because plasma membrane is
VITEEE PCBE Mock Test - 6 - Question 9
In an upright pyramid of biomass, the herbivores occupy the position
VITEEE PCBE Mock Test - 6 - Question 10
Which were dominant in mesozoic era?
VITEEE PCBE Mock Test - 6 - Question 11
Which of the following is not included in coenozoic era?
VITEEE PCBE Mock Test - 6 - Question 12
Potato and Sweet Potato have edible parts which are
VITEEE PCBE Mock Test - 6 - Question 13
Genetic code was discovered by frameshift mutation by
VITEEE PCBE Mock Test - 6 - Question 14
Extranuclear DNA occurs in
VITEEE PCBE Mock Test - 6 - Question 15
Who established that RNA can be genetic material ?
VITEEE PCBE Mock Test - 6 - Question 16
Mendel formulated the law of purity of gametes on the basis of
VITEEE PCBE Mock Test - 6 - Question 17
Genotype is
VITEEE PCBE Mock Test - 6 - Question 18
Turner's syndrome does not occur in males(44 + Y) because
VITEEE PCBE Mock Test - 6 - Question 19
A human male has one one barr body in his somatic cell nuclei. The chromosome constitution must be
VITEEE PCBE Mock Test - 6 - Question 20
Asthama is a respiratory disorder due to
VITEEE PCBE Mock Test - 6 - Question 21
Hypersensitivity to an allergen is due to
VITEEE PCBE Mock Test - 6 - Question 22
The largest flower in the world is that of
VITEEE PCBE Mock Test - 6 - Question 23
A person is injected with gammaglobulin against hepatitis B. It is
VITEEE PCBE Mock Test - 6 - Question 24
Xylem growth is centripetal in
VITEEE PCBE Mock Test - 6 - Question 25
Druse is a cystal or deposit of
VITEEE PCBE Mock Test - 6 - Question 26
The specific function of light energy in the process of photosynthesis is to
Detailed Solution for VITEEE PCBE Mock Test - 6 - Question 26 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.
VITEEE PCBE Mock Test - 6 - Question 27
Nitrogen fixation occurs in
VITEEE PCBE Mock Test - 6 - Question 28
Biotechnology is
VITEEE PCBE Mock Test - 6 - Question 29
Which one contains only living cells ?
VITEEE PCBE Mock Test - 6 - Question 30
Methane gas producing field is
VITEEE PCBE Mock Test - 6 - Question 31
In Minamata Bay of Japan, the animals which remained free from Minamata disease, are
VITEEE PCBE Mock Test - 6 - Question 32
Exposure to noise pollution causes
VITEEE PCBE Mock Test - 6 - Question 33
Infection of Entamoeba histolytica is prevented by :
VITEEE PCBE Mock Test - 6 - Question 34
Bulbovestibular gland is found in female rabbit. It is also known as
VITEEE PCBE Mock Test - 6 - Question 35
Of the two brothers, one living in hilly area and other on sea level; the one living on hilly area will have
VITEEE PCBE Mock Test - 6 - Question 36
Some bacteria can grow in streptomycin containing medium due to
VITEEE PCBE Mock Test - 6 - Question 37
Lederberg's replica experiment is connected with
VITEEE PCBE Mock Test - 6 - Question 38
Which of the following is produced in response to a high solute concentration in the blood?
VITEEE PCBE Mock Test - 6 - 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
VITEEE PCBE Mock Test - 6 - Question 40
The inability to regulate the concentration of sodium ions in the blood could be due to improper functioning of the
VITEEE PCBE Mock Test - 6 - 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

Detailed Solution for VITEEE PCBE Mock Test - 6 - Question 41

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

VITEEE PCBE Mock Test - 6 - 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

VITEEE PCBE Mock Test - 6 - Question 43

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

VITEEE PCBE Mock Test - 6 - Question 44

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

VITEEE PCBE Mock Test - 6 - 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

VITEEE PCBE Mock Test - 6 - 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

VITEEE PCBE Mock Test - 6 - Question 47

Conductivity increases in the order of

VITEEE PCBE Mock Test - 6 - 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

VITEEE PCBE Mock Test - 6 - 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

VITEEE PCBE Mock Test - 6 - 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

VITEEE PCBE Mock Test - 6 - Question 51

Which of the following is a correct statement?

VITEEE PCBE Mock Test - 6 - 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

VITEEE PCBE Mock Test - 6 - Question 53

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

Detailed Solution for VITEEE PCBE Mock Test - 6 - Question 53

E = 1/2 LI2

VITEEE PCBE Mock Test - 6 - 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

Detailed Solution for VITEEE PCBE Mock Test - 6 - Question 54

P = Eν Iν cosØ = Eν Iν cos 90 = zero.

VITEEE PCBE Mock Test - 6 - Question 55

Heat radiations propagate with the speed of

VITEEE PCBE Mock Test - 6 - 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 - 6 - Question 57

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

VITEEE PCBE Mock Test - 6 - 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

VITEEE PCBE Mock Test - 6 - 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

VITEEE PCBE Mock Test - 6 - 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?

VITEEE PCBE Mock Test - 6 - Question 61

Van de Graaff electrostatic generator is based on

VITEEE PCBE Mock Test - 6 - 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

VITEEE PCBE Mock Test - 6 - Question 63

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

VITEEE PCBE Mock Test - 6 - Question 64

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

VITEEE PCBE Mock Test - 6 - Question 65

The energy released per fission of a U235 nucleus is around

VITEEE PCBE Mock Test - 6 - Question 66

A mercury vapour lamp is the example of

VITEEE PCBE Mock Test - 6 - Question 67

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

VITEEE PCBE Mock Test - 6 - 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

VITEEE PCBE Mock Test - 6 - Question 69

The magnifying power of a simple microscope M is given by

VITEEE PCBE Mock Test - 6 - Question 70

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

VITEEE PCBE Mock Test - 6 - Question 71

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

VITEEE PCBE Mock Test - 6 - Question 72

A zener diode works on the principle of

VITEEE PCBE Mock Test - 6 - Question 73

Which of the following statement is correct?

VITEEE PCBE Mock Test - 6 - Question 74

With rise in temperature, the specific resistance of semiconductors

VITEEE PCBE Mock Test - 6 - Question 75

In a P-type semiconductor

VITEEE PCBE Mock Test - 6 - Question 76

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

VITEEE PCBE Mock Test - 6 - Question 77

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

VITEEE PCBE Mock Test - 6 - 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

VITEEE PCBE Mock Test - 6 - Question 79

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

VITEEE PCBE Mock Test - 6 - Question 80

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

VITEEE PCBE Mock Test - 6 - Question 81

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

VITEEE PCBE Mock Test - 6 - Question 82

Aldol condensation will not be observed in

VITEEE PCBE Mock Test - 6 - Question 83

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

VITEEE PCBE Mock Test - 6 - Question 84

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

VITEEE PCBE Mock Test - 6 - Question 85

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

VITEEE PCBE Mock Test - 6 - Question 86

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

VITEEE PCBE Mock Test - 6 - Question 87

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

Detailed Solution for VITEEE PCBE Mock Test - 6 - Question 87

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

VITEEE PCBE Mock Test - 6 - Question 88

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 - 6 - Question 89

The disaccharide present in milk is

VITEEE PCBE Mock Test - 6 - Question 90

An example of amino acid containing benzene ring is

VITEEE PCBE Mock Test - 6 - Question 91

Ethyl isocyanide on acidic hydrolysis generates

Detailed Solution for VITEEE PCBE Mock Test - 6 - Question 91

VITEEE PCBE Mock Test - 6 - Question 92

Enzymes belongs to the class of compounds

VITEEE PCBE Mock Test - 6 - Question 93

Calcium acetate when dry distilled gives

VITEEE PCBE Mock Test - 6 - Question 94

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

VITEEE PCBE Mock Test - 6 - 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

VITEEE PCBE Mock Test - 6 - 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:

Detailed Solution for VITEEE PCBE Mock Test - 6 - Question 96

VITEEE PCBE Mock Test - 6 - Question 97

Aspirin is an acetylation product of

VITEEE PCBE Mock Test - 6 - 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

VITEEE PCBE Mock Test - 6 - Question 99

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

Detailed Solution for VITEEE PCBE Mock Test - 6 - Question 99

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

VITEEE PCBE Mock Test - 6 - Question 100

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

VITEEE PCBE Mock Test - 6 - Question 101

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)

Detailed Solution for VITEEE PCBE Mock Test - 6 - Question 101

VITEEE PCBE Mock Test - 6 - Question 102

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

Detailed Solution for VITEEE PCBE Mock Test - 6 - Question 102

VITEEE PCBE Mock Test - 6 - 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

VITEEE PCBE Mock Test - 6 - Question 104

In a galvanic cell, the electrons flow from

VITEEE PCBE Mock Test - 6 - Question 105

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

VITEEE PCBE Mock Test - 6 - Question 106

Acetaldoxime reacts with P₂O₅ to give

VITEEE PCBE Mock Test - 6 - Question 107

The hydrid state of Ni in Ni(CO)₄ is

VITEEE PCBE Mock Test - 6 - Question 108

Detailed Solution for VITEEE PCBE Mock Test - 6 - Question 108

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

VITEEE PCBE Mock Test - 6 - Question 109

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

VITEEE PCBE Mock Test - 6 - Question 110

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

VITEEE PCBE Mock Test - 6 - Question 111

The element that does not form a monoxide is

VITEEE PCBE Mock Test - 6 - Question 112

At higher altitude the boiling point of water lowers because

VITEEE PCBE Mock Test - 6 - Question 113

Of the following compounds, the most acidic is

VITEEE PCBE Mock Test - 6 - Question 114

Which one of the following compounds does not exist ?

VITEEE PCBE Mock Test - 6 - Question 115

Carbon is in the lowest oxidation state in

VITEEE PCBE Mock Test - 6 - Question 116

Coordination number of Na⁺ in NaCl is

VITEEE PCBE Mock Test - 6 - Question 117

Compound A below

VITEEE PCBE Mock Test - 6 - Question 118

In chemisorption, adsorption decreases after increase due to

VITEEE PCBE Mock Test - 6 - Question 119

CuCl₂ and CuBr₂ exist as

VITEEE PCBE Mock Test - 6 - Question 120

Which of the following pairs of ions are colourless?

VITEEE PCBE Mock Test - 6 - Question 121

Find the Antonym of GATHERED

VITEEE PCBE Mock Test - 6 - 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

VITEEE PCBE Mock Test - 6 - Question 123

Find the Syonym of ARTIFACT

VITEEE PCBE Mock Test - 6 - Question 124

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

Feathering one's nest

VITEEE PCBE Mock Test - 6 - 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.

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