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VITEEE PCBE Mock Test - 13


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125 Questions MCQ Test VITEEE: Subject Wise and Full Length MOCK Tests | VITEEE PCBE Mock Test - 13

VITEEE PCBE Mock Test - 13 for JEE 2023 is part of VITEEE: Subject Wise and Full Length MOCK Tests preparation. The VITEEE PCBE Mock Test - 13 questions and answers have been prepared according to the JEE exam syllabus.The VITEEE PCBE Mock Test - 13 MCQs are made for JEE 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for VITEEE PCBE Mock Test - 13 below.
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VITEEE PCBE Mock Test - 13 - Question 1

Secondary growth is absent in

VITEEE PCBE Mock Test - 13 - Question 2

Number of malpighian tubules present in Cockroach is

VITEEE PCBE Mock Test - 13 - Question 3

Blood with a high oxygen concentration can be found in both the

VITEEE PCBE Mock Test - 13 - Question 4
Mitochondria are absent in
VITEEE PCBE Mock Test - 13 - Question 5
Iron porphyrin occurs in
VITEEE PCBE Mock Test - 13 - Question 6
Centriole/centrosome takes part in
VITEEE PCBE Mock Test - 13 - Question 7
Individual members of one of the following pairs yields both oil and fibres
VITEEE PCBE Mock Test - 13 - Question 8
Enzymes associated with converting fats to carbohydrates are located in
VITEEE PCBE Mock Test - 13 - Question 9
Food levels of an ecosystem are known as
VITEEE PCBE Mock Test - 13 - Question 10
Which of the following is vestigeal in man?
VITEEE PCBE Mock Test - 13 - Question 11
Genes regulate growth and differentiation through
VITEEE PCBE Mock Test - 13 - Question 12
Which of the following is not correctly paired
VITEEE PCBE Mock Test - 13 - Question 13
Development of adaptations along parallel lines in unrelated groups of animals is
VITEEE PCBE Mock Test - 13 - Question 14
DNA replication is
VITEEE PCBE Mock Test - 13 - Question 15
Taylor demonstrated chromosome replication to be semiconservative in
VITEEE PCBE Mock Test - 13 - Question 16
RR (Red) Antirrhinum is crossed with white (WW) one. Offspring RW are pink. This is an example of
VITEEE PCBE Mock Test - 13 - Question 17
Recessive trait disorders are characterised by
VITEEE PCBE Mock Test - 13 - Question 18
Out of two alleles of the same gene, one finds morphological expression. The phenomenon is
VITEEE PCBE Mock Test - 13 - Question 19
In sex-linked traits the males are
VITEEE PCBE Mock Test - 13 - Question 20
T.T and TAB second booster dose is give at the age of
VITEEE PCBE Mock Test - 13 - Question 21
Hay fever is due to
VITEEE PCBE Mock Test - 13 - Question 22
A noninfectious unnatural and unusual reaction to a substance or condition is
VITEEE PCBE Mock Test - 13 - Question 23
Roots that develop from part of plant other than radicle is found in
VITEEE PCBE Mock Test - 13 - Question 24
A phylloclade is a modified
VITEEE PCBE Mock Test - 13 - Question 25
The vascular cambium and cork cambium are the examples of
VITEEE PCBE Mock Test - 13 - Question 26
Which one is the common product of both respiration and photosynthesis
VITEEE PCBE Mock Test - 13 - Question 27
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 - 13 - Question 28
Differentiation of shoot in tissue culture is controlled by
VITEEE PCBE Mock Test - 13 - Question 29
Soil pollutants affecting food chains and food webs by killing microorganisms are
VITEEE PCBE Mock Test - 13 - Question 30
The decomposition of domestic wastes, under natural process, is known as
VITEEE PCBE Mock Test - 13 - Question 31
The tissue taking part in translocation of food is
VITEEE PCBE Mock Test - 13 - Question 32
Anxiety and stress are caused by
VITEEE PCBE Mock Test - 13 - Question 33
Chromatoid bodies in Entamoeba histolytica are found in :
VITEEE PCBE Mock Test - 13 - Question 34
Implantation normally occurs approximately how many days following fertilization?
VITEEE PCBE Mock Test - 13 - Question 35
In which condition gene ratio remains constant in a species
VITEEE PCBE Mock Test - 13 - Question 36
The art of growing dwarf trees is
VITEEE PCBE Mock Test - 13 - Question 37
Phenomenon of industrial melanism demonstrates
VITEEE PCBE Mock Test - 13 - Question 38
Transfer of genes from one gene pool to another is
VITEEE PCBE Mock Test - 13 - Question 39
Filtrate enters the Bowman’s capsule by
VITEEE PCBE Mock Test - 13 - Question 40
Antidiuretic hormone (ADH) is released by the
VITEEE PCBE Mock Test - 13 - Question 41

The ratio of no. of turns of primary coil to secondary coil in a transformer is 1:2. If a cell of 1.5 V is connected across the primary coil, then e.m.f. across the secondary coil is

VITEEE PCBE Mock Test - 13 - Question 42

The work function of Potassium is 2.0 eV. When it is illuminated by light of wavelength 3300 A0 photoelectrons are emitted. The stopping potential of photoelectrons is

Detailed Solution for VITEEE PCBE Mock Test - 13 - Question 42

λ = 3300 A0 = 330 nm
hu = 1240/330 = 3.757
eV0 = hu - W = 3.757 - 2 = 1.757eV
⇒ V0 = 1.757 V

VITEEE PCBE Mock Test - 13 - Question 43

Light of wave length λ and photon energy 2eV falling on a metal surface produces photoelectrons of maximum velocity V. If the λ is decreased by 25% and the maximum velocity of electron is doubled, the work function of the metal is (in eV)

VITEEE PCBE Mock Test - 13 - Question 44

A parallel plate capacitor is charged. If the plates are pulled apart

VITEEE PCBE Mock Test - 13 - Question 45

The quantity of electricity needed to liberate one gram equivalent of an element is

VITEEE PCBE Mock Test - 13 - Question 46

Optical fibres uses the phenomenon of

VITEEE PCBE Mock Test - 13 - Question 47

Three unequal resistors in parallel are equivalent to resistance 1 Ω . If two of them are in the ratio 1 : 2 and if no resistance value is fractional, the largest of the three resistances in ohms is

VITEEE PCBE Mock Test - 13 - Question 48

Tangent galvanometer is used for the

VITEEE PCBE Mock Test - 13 - Question 49

The electrical resistance of a mercury column in a cylindrical container is R. When the same mercury is poured into another cylindrical container twice the radius of the first, then resistance of mercury column is

VITEEE PCBE Mock Test - 13 - Question 50

The energy of a photon of wavelength λ is

VITEEE PCBE Mock Test - 13 - Question 51

The material of wire of potentiometer is

VITEEE PCBE Mock Test - 13 - Question 52

Choke coil works on the principle of

VITEEE PCBE Mock Test - 13 - Question 53

Near a circular loop of conducting wire as shown in the figure an electron moves along a straight line. The direction of the induced current if any in the loop is

VITEEE PCBE Mock Test - 13 - Question 54

A cylinder of radius R and length L is placed in a uniform electric field E parallel to the cylinder axis, the total electric flux for the surface of the cylinder is

Detailed Solution for VITEEE PCBE Mock Test - 13 - Question 54

Total charge enclosed is zero

VITEEE PCBE Mock Test - 13 - Question 55

When the no. of turns in a coil is triplled, without any change in the length of coil, its self-inductance becomes

VITEEE PCBE Mock Test - 13 - Question 56

An electromagnetic wave passing through vacuum is described by the equations: E = E₀ sin (kx-ωt) and B = B₀ sin (Kx-ωt). Then

VITEEE PCBE Mock Test - 13 - Question 57

Equal charges are given to two spheres of different radii. The potential will be

VITEEE PCBE Mock Test - 13 - Question 58

On moving a charge of 20 C by 2 cm, 2 joule of work is done, then the potential difference between the points is

Detailed Solution for VITEEE PCBE Mock Test - 13 - Question 58

W = QV
∴ V = W/Q = 2/20 = 0.1 volt

VITEEE PCBE Mock Test - 13 - Question 59

If n capacitors each of capacitance C are connected in series with a battery of V volt, then electrostatic energy stored in all the capacitors will be

Detailed Solution for VITEEE PCBE Mock Test - 13 - Question 59

The equivalent capacitance Cs of these series-connected capacitors is
1/Cs = 1/C + 1/C + 1/C ..... n times = n/C
∴ Cs = C/n
Energy stored in all capacitors = 1/2 CsV2 = 1/2 C/n V2 = 1/2n CV2

VITEEE PCBE Mock Test - 13 - Question 60

There is 10 units of charge at the centre of a circle of radius 10m. The work done in moving 1 unit of charge around the circle once is

VITEEE PCBE Mock Test - 13 - 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 - 13 - Question 61

By using F = 9 x 109 . Q2/r2  

VITEEE PCBE Mock Test - 13 - Question 62

Two long parallel wires carry equal current in opposite directions. They will

VITEEE PCBE Mock Test - 13 - Question 63

A radio active sample has a half life of 5 days. To decay from 8 micro curies to 1 micro-curie, the number of days taken will be

VITEEE PCBE Mock Test - 13 - Question 64

In a nuclear reactor, material used for control rods is

VITEEE PCBE Mock Test - 13 - Question 65

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

VITEEE PCBE Mock Test - 13 - Question 66

If the intensity of light falling on a metal is decreased then

VITEEE PCBE Mock Test - 13 - Question 67

By increasing the intensity of incident light on the surface of a metal

VITEEE PCBE Mock Test - 13 - Question 68

For the normal setting of a telescope

VITEEE PCBE Mock Test - 13 - Question 69

A concave mirror gives an image three times as large as the object placed at a distance of 20 cm from it. For the image to be real, the focal length should be

Detailed Solution for VITEEE PCBE Mock Test - 13 - Question 69

m = -3, m = - v u
-3 = - v/ -20
⇒ v = - 60 cm
Now, u = - 20, v = - 60, f = ?
1/f = 1/v + / u
= - 1/60 - 1/20 = - 1 - 3/60 = - 4/ 60
∴ f = - 60/4 = - 15 cm

VITEEE PCBE Mock Test - 13 - Question 70

The p-n junction diode works as insulator, if connected

VITEEE PCBE Mock Test - 13 - Question 71

the amplifiers do not work to their proper form when used in a circuit if

VITEEE PCBE Mock Test - 13 - Question 72

When the forward bias voltage increases what happens to the potential barrier.

VITEEE PCBE Mock Test - 13 - Question 73

To obtain a p-type germanium semiconductor, it must be doped with

VITEEE PCBE Mock Test - 13 - Question 74

The most commonly used material for making transistor is

VITEEE PCBE Mock Test - 13 - Question 75

The depletion layer in the P-N junction region is caused by

VITEEE PCBE Mock Test - 13 - Question 76

In P-type semiconductor, there is

VITEEE PCBE Mock Test - 13 - Question 77

In a Young's experiment, two coherent sources are placed 0.90 mm apart and the fringes are observed one metre away. If it produces the second dark fringe at a distance of 1 mm from the central fringe, the wavelength of monochromatic light used would be

VITEEE PCBE Mock Test - 13 - Question 78

In Huygen's wave theory, the locus of all points oscillating in the same phase is called a

VITEEE PCBE Mock Test - 13 - Question 79

Which of the following phenomena establish the wave nature of light?

VITEEE PCBE Mock Test - 13 - Question 80

Laser light is considered to be coherent as it consists of

VITEEE PCBE Mock Test - 13 - Question 81

Ethanol containing some methanol is called

VITEEE PCBE Mock Test - 13 - Question 82

Formaldehyde reacts with NaOH(50%). Which one pair of products will be obtained?

VITEEE PCBE Mock Test - 13 - Question 83

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

VITEEE PCBE Mock Test - 13 - Question 84

From which of the following tertiary butyl alcohol is obtained by the action of methyl megnesium iodide?

VITEEE PCBE Mock Test - 13 - Question 85

The number of molecules in 16 g of methane is

VITEEE PCBE Mock Test - 13 - Question 86

1, 3-Butadiene when treated with Br₂ gives

VITEEE PCBE Mock Test - 13 - Question 87

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

Detailed Solution for VITEEE PCBE Mock Test - 13 - Question 87

VITEEE PCBE Mock Test - 13 - Question 88

The ratio of the molar amounts of H₂S needed to precipitate the metal ions from 20 mL each of 1M Cd(NO₃)₂ and 0.5 M CuSO₄ is

Detailed Solution for VITEEE PCBE Mock Test - 13 - Question 88

As Cd2+ and Cu2+, both are dipositive ions but Cu2+ has one half of the concentration compared to that of the Cd2+. Thus, the molar amount of the H2S used to precipitate the metals ions Cd2+ and Cu2+ is 2 : 1.

VITEEE PCBE Mock Test - 13 - Question 89

Protein is a polymer of

VITEEE PCBE Mock Test - 13 - Question 90

Chargaff's rule states that in an organism

VITEEE PCBE Mock Test - 13 - Question 91

Ethyl acetate reacts with CH₃MgBr to form

VITEEE PCBE Mock Test - 13 - Question 92

A sequence of how many nucleotides in m-RNA makes a codon for an amino acid?

VITEEE PCBE Mock Test - 13 - Question 93

Identify the wrong statement from the following :

VITEEE PCBE Mock Test - 13 - Question 94

In a chemical equilibrium Kc = Kp when :

Detailed Solution for VITEEE PCBE Mock Test - 13 - Question 94

Kp = Kc when Δn = 0

VITEEE PCBE Mock Test - 13 - Question 95

Lower carboxylic acids are soluble in water due to

VITEEE PCBE Mock Test - 13 - Question 96

Which one of the following informations can be obtained on the basis of Le Chatelier principle ?

VITEEE PCBE Mock Test - 13 - Question 97

Which of the following gas molecule has the maximum specific heat at constant pressure?

VITEEE PCBE Mock Test - 13 - Question 98

Which of the following reaction is endothermic?

VITEEE PCBE Mock Test - 13 - Question 99

A drug that is antipyretic as well as analgesic is

VITEEE PCBE Mock Test - 13 - Question 100

Work done during the compression of a gas from a volume of 6dm3 to 4 dm3 against a constant external pressure of 3 atm is (1atm-litre=101.32J)

VITEEE PCBE Mock Test - 13 - Question 101

The IUPAC name of tert-butyl chloride is

VITEEE PCBE Mock Test - 13 - Question 102

A complex compound of Co3+ with molecular formula CoClxyNH₃ gives a total of three ions per molecule when dissolved in water. How many Cl⁻ ions satisfy primary as well secondary valencies in this complex?

VITEEE PCBE Mock Test - 13 - Question 103

Hydrolysis of acetonitrile in acid medium gives

VITEEE PCBE Mock Test - 13 - Question 104

Complex-forming tendency of a metal increases with

VITEEE PCBE Mock Test - 13 - Question 105

A smuggler could not carry gold by chemically depositing iron on the gold surface since

VITEEE PCBE Mock Test - 13 - Question 106

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 - 13 - Question 107

If half cell reaction A + e- → A- has a large negative reduction potential, it follows that

VITEEE PCBE Mock Test - 13 - Question 108

The oxidation number of sulphur in Na₂S₄O₆ is

VITEEE PCBE Mock Test - 13 - Question 109

IUPAC name of anisole is

VITEEE PCBE Mock Test - 13 - Question 110

Cassiterite is an ore of

VITEEE PCBE Mock Test - 13 - Question 111

Red lead is

VITEEE PCBE Mock Test - 13 - Question 112

Oxidation number of C in C₆H₁₂O₆ is

VITEEE PCBE Mock Test - 13 - Question 113

Which one of the following indicates the value of the gas constant R ?

VITEEE PCBE Mock Test - 13 - Question 114

Which of the following molecules is linear ?

VITEEE PCBE Mock Test - 13 - Question 115

White P when boiled with strong solution of caustic soda produces

VITEEE PCBE Mock Test - 13 - Question 116

AB is an ionic solid. If the ratio of ionic radii of A+ and B is 0.52. What is the coordination number of B

Detailed Solution for VITEEE PCBE Mock Test - 13 - Question 116

Ratio r+/r - = 0.414 - 0.732
Coordination no. is 6.

VITEEE PCBE Mock Test - 13 - Question 117

Which of the following is an example of homogeneous catalysis?

VITEEE PCBE Mock Test - 13 - Question 118

White copper sulphate decomposes to give

VITEEE PCBE Mock Test - 13 - Question 119

Which forms meso form on reaction with alkaline KMnO4?

VITEEE PCBE Mock Test - 13 - Question 120

Brass is an alloy of

VITEEE PCBE Mock Test - 13 - Question 121

Find the Antonym of TRANSPARENT

VITEEE PCBE Mock Test - 13 - Question 122

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

VITEEE PCBE Mock Test - 13 - Question 123

Find the synonym of QUINTESSANCE

VITEEE PCBE Mock Test - 13 - Question 124

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

To be under a cloud

VITEEE PCBE Mock Test - 13 - Question 125

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

No sooner did HIS FEET TOUCHED the ground than the intensity of the disaster dawend upon him.

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