VITEEE PCBE Mock Test - 8


125 Questions MCQ Test VITEEE: Subject Wise and Full Length MOCK Tests | VITEEE PCBE Mock Test - 8


Description
This mock test of VITEEE PCBE Mock Test - 8 for JEE helps you for every JEE entrance exam. This contains 125 Multiple Choice Questions for JEE VITEEE PCBE Mock Test - 8 (mcq) to study with solutions a complete question bank. The solved questions answers in this VITEEE PCBE Mock Test - 8 quiz give you a good mix of easy questions and tough questions. JEE students definitely take this VITEEE PCBE Mock Test - 8 exercise for a better result in the exam. You can find other VITEEE PCBE Mock Test - 8 extra questions, long questions & short questions for JEE on EduRev as well by searching above.
QUESTION: 1

The other name of cork cambium is

Solution:
QUESTION: 2

Spiders belong to

Solution:
QUESTION: 3

Structure of nuclear envelope facilitates

Solution:
QUESTION: 4
The continuation of endoplasmic reticulum is with
Solution:
QUESTION: 5
Jute is
Solution:
QUESTION: 6
What is true ?
Solution:
QUESTION: 7
F₁-particles are present in
Solution:
QUESTION: 8
One of the major difficulties in the biological control of insect pests is the
Solution:
QUESTION: 9
Maximum number in pond ecosystem is of
Solution:
QUESTION: 10
Evolution is
Solution:
QUESTION: 11
Which animal has become extinct recently?
Solution:
QUESTION: 12
Parallelism is
Solution:
QUESTION: 13
Nonsense codon takes part in
Solution:
QUESTION: 14
Site for protein synthesis is
Solution:
QUESTION: 15
Length of mRNA that carries information for complete polypeptide synthesis is
Solution:
QUESTION: 16
In Cucurbita, W is epistatic over Y and y gene normally responsible for yellow and green colour fruits. It produces white flowers. What is the ratio of fruits in the progeny of cross WwYy X wwYy?
Solution:
QUESTION: 17
tt mates which Tt. What will be characteristic of offspring?
Solution:
QUESTION: 18
Mild hemolytic disease and jaundice of new born can be due to
Solution:
QUESTION: 19
Queen Victoria was carrier of haemophilia, a sex-linked disease. What is true ?
Solution:
QUESTION: 20
Why cambium is considered a lateral meristem?
Solution:
QUESTION: 21
An antibody is
Solution:
QUESTION: 22
Cyclosporine is useful in
Solution:
QUESTION: 23
Active immunity is got from
Solution:
QUESTION: 24
Coconut's husk fibre coir of commerce is extracted from
Solution:
QUESTION: 25
A plant is kept in 300 ppm CO₂ concentration.What will happen to it
Solution:
QUESTION: 26
The tallest plant out of the following is
Solution:
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?
Solution:
QUESTION: 28
Yogurt is formed by
Solution:
QUESTION: 29
Peeling of ozone umbrella is due to
Solution:
QUESTION: 30
Elongated lignified cells with pointed end walls belong to
Solution:
QUESTION: 31
The formation of ozone hole is maximum over
Solution:
QUESTION: 32
Which of the following radioactive isotopes is used in the detection of thyroid cancer?
Solution:
QUESTION: 33
Entamoeba histolytica does not have or differs from Amoeba in the absence of :
Solution:
QUESTION: 34
A woman who exhibits male secondary sexual characteristics may have a tumor in her
Solution:
QUESTION: 35
Study of fungi is called
Solution:
QUESTION: 36
Which one does not favour Lamarckian concept of inheritance of acquired characters?
Solution:
QUESTION: 37
Founder of palaentology is
Solution:
QUESTION: 38
The scientist who proposed the first theory of evolution was
Solution:
QUESTION: 39
Blood entering the kidney is filtered by the
Solution:
QUESTION: 40
The inability to regulate the concentration of sodium ions in the blood could be due to improper functioning of the
Solution:
QUESTION: 41

In an AC series circuit, the instantaneous current is maximum when the instantaneous voltage is maximum. The circuit element connected to the source will be

Solution:
QUESTION: 42

The photons of energies twice and thrice the work function of a metal are incident on the metal surface. Then the ratio of maximum velocities of the photo electrons emited in the two cases respectively is

Solution:
QUESTION: 43

An electron beam is subjected to perpendicular electric and magnetic fields of 5 x 10-4  wbm-2  and 3 x 103 Vm-1 resectively. If there is no deflection, the velocity of electrons is

Solution:
QUESTION: 44

A 10 μ F capacitor is charged to a potential difference of 50 V and is connected to another uncharged capacitor in parallel. Now the common potential difference 20 volt. The capacitance of second capacitor is

Solution:
QUESTION: 45

The negative Zn pole of Daniell cell, sending a constant current through a circuit, decreases in mass by 0.13g in 30 min. If the electrochemical equivalent of Zn and Cu are 32.5 and 31.5 respectively, the increase in the mass of the positive Cu pole in this time is

Solution:
QUESTION: 46

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

Solution:
QUESTION: 47

If the resistance of a conductor is 5 Ω at 50oC and 7 Ω at 100oC, then the mean temperature coefficient of resistance of the material is

Solution:
QUESTION: 48

A 6 V battery is connected to the terminals of a 3 m long wire of uniform thickness and of resistance 100 Ω. The potential difference between two points on the wire, separated by a distance of 50 cm will be

Solution:
QUESTION: 49

The current flowing through a wire depends on time as I = 3t2 + 2t +5. The charge flowing through the cross-section of the wire in time from t = 0 to t = 2 sec. is

Solution:
QUESTION: 50

Two resistors whose value are in ratio 2 : 1 are connected in parallel with one cell. Then ratio of power dissipated is

Solution:
QUESTION: 51

The Production of X-rays is due to

Solution:
QUESTION: 52

A generator at a utility company produces 100 A of current at 4000 V. The voltage is stepped up to 240000 V by a transformer before it is sent on a high voltage transmission line. The current in transmission line is

Solution:
QUESTION: 53

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

Solution:
QUESTION: 54

If the no. of turns of a solenoid are doubled and its length is halved keeping the area of cross-section same, then ratio of initial and final self-inductances will be

Solution:
QUESTION: 55

Eight dipoles of charges of magnitude e are placed inside a cube. The total electric flux coming out of the cube will be

Solution:
QUESTION: 56

Maxwell in his famous equation of electromagnetism introduced the concept of

Solution:
QUESTION: 57

A spherical shell of radius a with charge Q is expanded to radius b. The work done by the electric force in the process is

Solution:
QUESTION: 58

A charge of 5 C is given a displacement of 0.5 m. The work done in the process is 10 J. The potential difference between the two points will be

Solution:
QUESTION: 59

If an unchanged capacitor is charged by connecting it to a battery, then the amount of energy lost as heat is

Solution:
QUESTION: 60

Figure shows two large cylindrical shells having uniform linear charge densities + λ and - λ . Radius of inner aylinder is 'a' and that of outer cylinder is 'b'. A charged particle of mass m , charge q revolves in a circle of radius r. Then its speed 'V' is:
[Neglect gravity and assume the radii of both cylinders to be very small in comparison to their length]

Solution:
QUESTION: 61

A parallel plate capacitor filled with a dielectric of relative permittivity 5 between its plates is charged to acquire an energy E and isolated. If the dielectric is replaced by another of relative permittiviey 2, its energy becomes

Solution:

E ∝ 1/k

QUESTION: 62

Magnetic effect of current was discovered by

Solution:
QUESTION: 63

In a radioactive disintegration, the ratio of initial number of atoms to the number of atoms present at an instant of time equal to its mean life is

Solution:
QUESTION: 64

To generate a power of 3.2 mega watt, the number of fissions of U235 per minute is (Energy released per fission = 200MeV, 1eV = 1.6 x 10-19 J)

Solution:
QUESTION: 65

The electron emitted in beta radiation originates from

Solution:
QUESTION: 66

When the light source is kept 20 cm away from a photo cell, stopping potential 0.6 V is obtained. When source is kept 40 cm away, the stopping potential will be

Solution:
QUESTION: 67

The threshold wavelength is 2000Å. The work function is

Solution:
QUESTION: 68

Fraunhofer lines are due to

Solution:
QUESTION: 69

Light appears to travel in a straight line, because

Solution:
QUESTION: 70

In a p-n junction

Solution:
QUESTION: 71

When triode is used as an amplifier, the phase difference between the input voltage and output is

Solution:
QUESTION: 72

Fermi level in an intrinsic semiconductor lies

Solution:
QUESTION: 73

At OK temperature, a p-type semiconductor

Solution:
QUESTION: 74

Semiconductor is damaged by the strong current due to

Solution:
QUESTION: 75

To make P-type semiconductor, the impurity to be mixed with pure germanium will be

Solution:
QUESTION: 76

In Young's double slit experiment, two slits are made 5 mm apart and the screen is placed 2 m away. What is the fringe separation when light of wavelength 500 nm is used?

Solution:
QUESTION: 77

When Ge crystals are doped with phosphorus atom, then it becomes

Solution:
QUESTION: 78

The phase difference between two waves reaching a point is π/2 . If the individual amplitudes are 3mm and 4mm, the resultant amplitude is

Solution:
QUESTION: 79

If Young's double slit experiment of light, interference is performed in water, which one of the following is correct?

Solution:
QUESTION: 80

A Nicol prism can be used

Solution:
QUESTION: 81

Ethyl alcohol can be used for preparation of which of the following?

Solution:
QUESTION: 82

The most reactive compound towards formation of cyanohydrin on treatment with KCN followed by acidification is

Solution:
QUESTION: 83

The organic compound which will answer the Fehling solution test is

Solution:
QUESTION: 84

The reagent(s) which can be used to distinguish acetophenone from benzophenone is (are)

Solution:
QUESTION: 85

Both methane and ethane can be prepared in one step by the reaction of

Solution:
QUESTION: 86

1, 3-Butadiene when treated with Br₂ gives

Solution:
QUESTION: 87

2g of oxygen contains number of atoms equal to that in

Solution:
QUESTION: 88

Hydrolysis of proteins in the presence of enzymes produces:

Solution:
QUESTION: 89

How many moles of Helium gas occupy 22.4 L at 0C at 1 atm. pressure?

Solution:
QUESTION: 90

The hormone which controls the process like burning of fats, proteins and carbohydrates to liberate energy in the body is

Solution:

Thyroxine is a hormone secreted by thyroid gland.
This hormone controls various biochemical reactions involving burning of proteins carbohydrates, fats to release energy.

QUESTION: 91

Which of the following compounds is responsible for the transmission of heredity characters?

Solution:
QUESTION: 92

An alkyl cyanide forms an amide when it is treated with

Solution:
QUESTION: 93

In which of the following, the number of carbon atoms does not remain same when carboxylic acid is obtained by oxidation

Solution:
QUESTION: 94

A colourless liquid at room temperature reacts with soda lime to form sodium salt of carboxylic acid and ammonia gas.The liquid is

Solution:
QUESTION: 95

Which relation is correct?

Solution:
QUESTION: 96

1 mole of N₂ and 2 moles of H₂ are allowed to react in a 1 dm3 vessel. At equilibrium 0.8 mole of NH₃ is formed. The concentration of H₂ in the vessel is

Solution:
QUESTION: 97

In a reversible reaction, two substances are in equilibrium. If the concentration of each one is reduced to half, the equilibrium constant will be

Solution:
QUESTION: 98

In which of the following neutralization reaction, the heat of neutralisation will be highest?

Solution:
QUESTION: 99

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: 100

Aspirin is a/an

Solution:
QUESTION: 101

The most stable conformation of n-butane is

Solution:
QUESTION: 102

Formula of sodium nitroprusside is :

Solution:
QUESTION: 103

In the presence of acid, the hydrolysis of methyl cyanide gives

Solution:
QUESTION: 104

Atomic numbers of Cr and Fe are respectively 24 and 26. Which of the following is paramagnetic?

Solution:

Cr(CO)6 → Cr0 [Ar]3d6 4s0

no unpaired electron
[Cr(NH3)6]3+ → Cr3+ [Ar]3d3
Ammonia is a weak field ligand there are three unpaired electrons present
Fe(CO)5 → Fe0 [Ar]3d6 4s2
CO is a strong field ligand, therefore

[Fe(CN6)]4- → Fe2+ [Ar]3d3
CN- is a strong field ligand, therefore

QUESTION: 105

The unit of specific conductivity is

Solution:
QUESTION: 106

Chlorine cannot displace

Solution:
QUESTION: 107

Hinsberg reagent is

Solution:
QUESTION: 108

The standard reduction potentials of Ag, Cu, Co and Zn are 0.799, 0.337, -0.277 and -0.762 V respectively. Which of the following cells will have maximum cell EMF?

Solution:
QUESTION: 109

Anisole with HNO₃ and conc. H₂SO₄ gives

Solution:
QUESTION: 110

Purification of silicon element used in semiconductors is done by

Solution:
QUESTION: 111

Which of the following oxides is the most acidic ?

Solution:
QUESTION: 112

The strongest reducing agent is

Solution:
QUESTION: 113

In CsCl structure, each Cs⁺ ion is surrounded by

Solution:
QUESTION: 114

Of the following compounds, the most acidic is

Solution:
QUESTION: 115

Air at sea level is dense. This is a practical application of

Solution:
QUESTION: 116

Silicon is an important constituent of

Solution:
QUESTION: 117

Galvanization of iron denotes coating with

Solution:
QUESTION: 118

Cellulose dispersed in ethanol is called

Solution:
QUESTION: 119

Following compound A

Solution:
QUESTION: 120

When calomel reacts with ammonium hydroxide, we get

Solution:
QUESTION: 121

Fill in the blank with appropriate word.
Kavita.......a sum of Rs. 200 out of the bank every Monday

Solution:
QUESTION: 122

Find the antonym of QUELL

Solution:
QUESTION: 123

Find the synonym of PORTRAY

Solution:
QUESTION: 124

Out of the given alternatives, choose the one which can be substituted for the given capitalised word.

Many people CALLED ON the minister when he was ill.

Solution:
QUESTION: 125

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

ANY ABLE BODIED MAN eligible for the job.

Solution:

Related tests