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VITEEE PCBE Mock Test - 13


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


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This mock test of VITEEE PCBE Mock Test - 13 for JEE helps you for every JEE entrance exam. This contains 125 Multiple Choice Questions for JEE VITEEE PCBE Mock Test - 13 (mcq) to study with solutions a complete question bank. The solved questions answers in this VITEEE PCBE Mock Test - 13 quiz give you a good mix of easy questions and tough questions. JEE students definitely take this VITEEE PCBE Mock Test - 13 exercise for a better result in the exam. You can find other VITEEE PCBE Mock Test - 13 extra questions, long questions & short questions for JEE on EduRev as well by searching above.
QUESTION: 1

Secondary growth is absent in

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QUESTION: 2

Number of malpighian tubules present in Cockroach is

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QUESTION: 3

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

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QUESTION: 4
Mitochondria are absent in
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QUESTION: 5
Iron porphyrin occurs in
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QUESTION: 6
Centriole/centrosome takes part in
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QUESTION: 7
Individual members of one of the following pairs yields both oil and fibres
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QUESTION: 8
Enzymes associated with converting fats to carbohydrates are located in
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QUESTION: 9
Food levels of an ecosystem are known as
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QUESTION: 10
Which of the following is vestigeal in man?
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QUESTION: 11
Genes regulate growth and differentiation through
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QUESTION: 12
Which of the following is not correctly paired
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QUESTION: 13
Development of adaptations along parallel lines in unrelated groups of animals is
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QUESTION: 14
DNA replication is
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QUESTION: 15
Taylor demonstrated chromosome replication to be semiconservative in
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QUESTION: 16
RR (Red) Antirrhinum is crossed with white (WW) one. Offspring RW are pink. This is an example of
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QUESTION: 17
Recessive trait disorders are characterised by
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QUESTION: 18
Out of two alleles of the same gene, one finds morphological expression. The phenomenon is
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QUESTION: 19
In sex-linked traits the males are
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QUESTION: 20
T.T and TAB second booster dose is give at the age of
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QUESTION: 21
Hay fever is due to
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QUESTION: 22
A noninfectious unnatural and unusual reaction to a substance or condition is
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QUESTION: 23
Roots that develop from part of plant other than radicle is found in
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QUESTION: 24
A phylloclade is a modified
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QUESTION: 25
The vascular cambium and cork cambium are the examples of
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QUESTION: 26
Which one is the common product of both respiration and photosynthesis
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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?
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QUESTION: 28
Differentiation of shoot in tissue culture is controlled by
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QUESTION: 29
Soil pollutants affecting food chains and food webs by killing microorganisms are
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QUESTION: 30
The decomposition of domestic wastes, under natural process, is known as
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QUESTION: 31
The tissue taking part in translocation of food is
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QUESTION: 32
Anxiety and stress are caused by
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QUESTION: 33
Chromatoid bodies in Entamoeba histolytica are found in :
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QUESTION: 34
Implantation normally occurs approximately how many days following fertilization?
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QUESTION: 35
In which condition gene ratio remains constant in a species
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QUESTION: 36
The art of growing dwarf trees is
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QUESTION: 37
Phenomenon of industrial melanism demonstrates
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QUESTION: 38
Transfer of genes from one gene pool to another is
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QUESTION: 39
Filtrate enters the Bowman’s capsule by
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QUESTION: 40
Antidiuretic hormone (ADH) is released by the
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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
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QUESTION: 42

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)
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QUESTION: 43

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
Solution:

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

QUESTION: 44

A parallel plate capacitor is charged. If the plates are pulled apart
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QUESTION: 45

The quantity of electricity needed to liberate one gram equivalent of an element is
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QUESTION: 46

Optical fibres uses the phenomenon of
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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
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QUESTION: 48

Tangent galvanometer is used for the
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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
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QUESTION: 50

The energy of a photon of wavelength λ is
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QUESTION: 51

The material of wire of potentiometer is
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QUESTION: 52

Choke coil works on the principle of
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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
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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
Solution:

Total charge enclosed is zero

QUESTION: 55

When the no. of turns in a coil is triplled, without any change in the length of coil, its self-inductance becomes
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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
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QUESTION: 57

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

W = QV
∴ V = W/Q = 2/20 = 0.1 volt

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
Solution:

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

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
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QUESTION: 61

Two long parallel wires carry equal current in opposite directions. They will
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QUESTION: 62

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
Solution:

By using F = 9 x 109 . Q2/r2  

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
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QUESTION: 64

In a nuclear reactor, material used for control rods is
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QUESTION: 65

A radioactive element has a half life of 15 years. The fraction that will decay in 30 years is
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QUESTION: 66

By increasing the intensity of incident light on the surface of a metal
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QUESTION: 67

If the intensity of light falling on a metal is decreased then
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QUESTION: 68

For the normal setting of a telescope
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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
Solution:

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

QUESTION: 70

The p-n junction diode works as insulator, if connected
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QUESTION: 71

the amplifiers do not work to their proper form when used in a circuit if
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QUESTION: 72

When the forward bias voltage increases what happens to the potential barrier.
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QUESTION: 73

To obtain a p-type germanium semiconductor, it must be doped with
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QUESTION: 74

The most commonly used material for making transistor is
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QUESTION: 75

The depletion layer in the P-N junction region is caused by
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QUESTION: 76

In P-type semiconductor, there is
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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
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QUESTION: 78

In Huygen's wave theory, the locus of all points oscillating in the same phase is called a
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QUESTION: 79

Which of the following phenomena establish the wave nature of light?
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QUESTION: 80

Laser light is considered to be coherent as it consists of
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QUESTION: 81

Ethanol containing some methanol is called
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QUESTION: 82

Formaldehyde reacts with NaOH(50%). Which one pair of products will be obtained?
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QUESTION: 83

Which of the following does not give red ppt. with Fehling solution?
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QUESTION: 84

From which of the following tertiary butyl alcohol is obtained by the action of methyl megnesium iodide?
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QUESTION: 85

The number of molecules in 16 g of methane is
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QUESTION: 86

1, 3-Butadiene when treated with Br₂ gives
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QUESTION: 87

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

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.

QUESTION: 89

Protein is a polymer of
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QUESTION: 90

Chargaff's rule states that in an organism
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QUESTION: 91

Ethyl acetate reacts with CH₃MgBr to form
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QUESTION: 92

A sequence of how many nucleotides in m-RNA makes a codon for an amino acid?
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QUESTION: 93

Identify the wrong statement from the following :
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QUESTION: 94

In a chemical equilibrium Kc = Kp when :
Solution:

Kp = Kc when Δn = 0

QUESTION: 95

Lower carboxylic acids are soluble in water due to
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QUESTION: 96

Which one of the following informations can be obtained on the basis of Le Chatelier principle ?
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QUESTION: 97

Which of the following gas molecule has the maximum specific heat at constant pressure?
Solution:
QUESTION: 98

Which of the following reaction is endothermic?
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QUESTION: 99

A drug that is antipyretic as well as analgesic is
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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)
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QUESTION: 101

The IUPAC name of tert-butyl chloride is
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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?
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QUESTION: 103

Hydrolysis of acetonitrile in acid medium gives
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QUESTION: 104

Complex-forming tendency of a metal increases with
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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
Solution:
QUESTION: 106

A smuggler could not carry gold by chemically depositing iron on the gold surface since
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QUESTION: 107

If half cell reaction A + e- → A- has a large negative reduction potential, it follows that
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QUESTION: 108

The oxidation number of sulphur in Na₂S₄O₆ is
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QUESTION: 109

IUPAC name of anisole is
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QUESTION: 110

Cassiterite is an ore of
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QUESTION: 111

Red lead is
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QUESTION: 112

Oxidation number of C in C₆H₁₂O₆ is
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QUESTION: 113

Which one of the following indicates the value of the gas constant R ?
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QUESTION: 114

Which of the following molecules is linear ?
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QUESTION: 115

White P when boiled with strong solution of caustic soda produces
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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 −

Solution:

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

QUESTION: 117

Which of the following is an example of homogeneous catalysis?
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QUESTION: 118

White copper sulphate decomposes to give
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QUESTION: 119

Which forms meso form on reaction with alkaline KMnO4?
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QUESTION: 120

Brass is an alloy of
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QUESTION: 121

Find the Antonym of TRANSPARENT
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QUESTION: 122

Fill in the blank with appropriate word.
If a speech is full of pompous words, it is.........
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QUESTION: 123

Find the synonym of QUINTESSANCE
Solution:
QUESTION: 124

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

To be under a cloud
Solution:
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.
Solution:

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