VITEEE PCBE Mock Test - 10


125 Questions MCQ Test VITEEE: Subject Wise and Full Length MOCK Tests | VITEEE PCBE Mock Test - 10


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This mock test of VITEEE PCBE Mock Test - 10 for JEE helps you for every JEE entrance exam. This contains 125 Multiple Choice Questions for JEE VITEEE PCBE Mock Test - 10 (mcq) to study with solutions a complete question bank. The solved questions answers in this VITEEE PCBE Mock Test - 10 quiz give you a good mix of easy questions and tough questions. JEE students definitely take this VITEEE PCBE Mock Test - 10 exercise for a better result in the exam. You can find other VITEEE PCBE Mock Test - 10 extra questions, long questions & short questions for JEE on EduRev as well by searching above.
QUESTION: 1

Largest number of chloroplasts in the leaf is in

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QUESTION: 2

The main function of capillaries is to

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QUESTION: 3

Glycolysis can not occur in the absence of

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QUESTION: 4
Kala-azar and Oriental Sore are spread by
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QUESTION: 5
The products of commercial importance produced by coconut palm are
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QUESTION: 6
The protein-lipid ratio in golgi bodies is approximately
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QUESTION: 7
Cell eating is
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QUESTION: 8
Enzymes connected with oxidative electron transport system are found in
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QUESTION: 9
Which part of the world has high density of organisms?
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QUESTION: 10
Homologous organs are
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QUESTION: 11
Ancestral amphibians were tetrapods that evolved during
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QUESTION: 12
Which is the correct order of evolution?
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QUESTION: 13
Barbara Mc Clintock is famous for her work on
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QUESTION: 14
Which of the folloing initiates transcription m-RNA on DNA template ?
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QUESTION: 15
Which one of the following codons codes for the same information as UGC
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QUESTION: 16
Agrobacterium tumefaciens, a large plasmid, which induces tumor in the plants, is termed as
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QUESTION: 17
Independent assortment means :
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QUESTION: 18
ABO incompatibility differs from Rh incompatibility in that it
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QUESTION: 19
Blood group AB has
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QUESTION: 20
A genetically diseased male marries a normal female producing three diseased girls and five normal sons. It would be a
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QUESTION: 21
James Phipps and Ali Marvow are related to viral disease that has disappeared
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QUESTION: 22
Antigens are found
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QUESTION: 23
The flowers in a cyathium resemble the ray florets of sunflower in being
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QUESTION: 24
Aril represents the edible part of
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QUESTION: 25
Porous wood mainly contains
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QUESTION: 26
A very efficient converter of solar energy with net productivity of 2-4 kg/m₂ or more is the crop of
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QUESTION: 27
Which one of the following substances plays an important role in biochemical defence of host plants?
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QUESTION: 28
In callus culture, roots can be induced by the supply of
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QUESTION: 29
Angiosperms contain
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QUESTION: 30
Which can be used for clearing water body
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QUESTION: 31
Minamata disease was caused due to the consumption of
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QUESTION: 32
Eutrophication is found in
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QUESTION: 33
Which of the following unicellular organism has a macronucleus for trophic function and one or more micronuclei for reproduction?
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QUESTION: 34
Early in embryonic development, the morula forms a hollow-ball stage; shortly thereafter, some cells migrate to the interior of this ball and become the
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QUESTION: 35
Members of kingdom protista have
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QUESTION: 36
de Vries called variants as
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QUESTION: 37
Darwin in the 'theory of natural selection' states that
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QUESTION: 38
Darwin's theory of Natural Selection fails to explain
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QUESTION: 39
Which of the following structures would not be considered an organ of excretion?
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QUESTION: 40
The site of tubular excretion is the
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QUESTION: 41

An electron beam is subjected to perpendicular electric and magnetic fields of 5x10-4 wbm-2  and 3x103  Vm-1 resectively. If there is no deflection, the velocity of electrons is

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QUESTION: 42

In an induction coil with resistance, the induced emf will be maximum when

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QUESTION: 43

The energy of an X - ray photon of wavelength 1.65 Å is (h = 6.6x10-4  J - s ; c = 3x108  m s-1 ; 1 e V = 1.6 x 10-19 J

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QUESTION: 44

A sheet of aluminium foil of negligible thickness is introduced between the plates of a capacitor. The capacitance of the capacitor

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The thickness of the foil is negligible

QUESTION: 45

Of the following, the one that does not make use of chemical effect of electric current is

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QUESTION: 46

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

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QUESTION: 47

When connected across the terminals of a cell, a voltmeter measures 5V and a connected ammeter measures 10 A of current. A resistance of 2 ohms is connected across the terminals of the cell. The current flowing through this resistance will be

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QUESTION: 48

The balancing length for a cell is 560cm in a potentiometer experiment when an extenral resistance of 10 Ω is connected in parallel to the cell, the balancing length changes by 60cm. The internal resistance of the cell in ohms is

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QUESTION: 49

If only 2% of the main current is to be pass through a galvanometer of resistance G, then the resistance of shunt will be

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QUESTION: 50

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: 51

The mass of photon at rest is

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QUESTION: 52

Choke coil works on the principle of

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QUESTION: 53

A rectangular coil of 300 turns has an area of 25 cm.x10cm. The coil rotates with a speed of 50 cps in a uniform magentic field of 4x10-2 T, about an axis perpendicular to the field. The peak value of the induced e.m.f. is

Solution:

Induced emf in a rectangular coil is given by : E = nBAωsin θ
substituting n = 300; B = 4 x 10-2 − T ;
A = 25 x 10 x 10-4  m2  
ω = 2 π v = 2 x 50 π rad s − 1
θ = 90 ∘ ,
we get; E = 30Πv

QUESTION: 54

Which of the following does not obey the phenomenon of mutual induction?

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QUESTION: 55

Which of the following has the minimum frequency?

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QUESTION: 56

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

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Total charge enclosed is zero

QUESTION: 57

If a point charge q be rotated in a circle of radius r around a charge Q, the work done will be

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QUESTION: 58

Potential energy of two equal positive charges 1 μ C each held 1 m apart in air is

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QUESTION: 59

A capacitor of capacity 10 μ F is charged to 40V and a second capacitor of capacity 15 μ F is charged to 30V. If they are connected in parallel the amount of charge that flows from the smaller capacitor to higher capacitor in μ C is

Solution:


Amount of charge flowing = 10 x 40 − 10 x 34 = 60

QUESTION: 60

A condenser stores

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QUESTION: 61

An infinite number of charge of equal magnitude q, but of opposite sign are placed along the X-axis at x = 1, x = 2, x = 4, x = 8... and so on. The electric potential at the point x = 0 due to these charge will be

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QUESTION: 62

A wire of length L metre, carrying a current I ampere is bent in the form of a circle. its magnitude of magnetic moment will be

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QUESTION: 63

In carbon cycle of fusion

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QUESTION: 64

The source of stellar energy is

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QUESTION: 65

Neutrino emission in β decay was predicted theoretically by

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QUESTION: 66

Which one of the following is true in photoelectric emission

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QUESTION: 67

An image of the sun is formed by a lens of focal length 30 cm on the metal surface of a photoelectric cell and a photoelectric current (I) is produced. The lens forming the image is then replaced by another of the same diameter but of focal length of 15 cm. The photelectric current in this case is

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QUESTION: 68

A ray of light is incident on a surface of glass slab at an angle 450 . If the lateral shift produced per unit thickness is 1/√3 m, the angle of refraction produced is

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QUESTION: 69

A light incident at 600 on one of the faces of a 30prism experiences a deviation of 300 . The angle made by the light beam with the second face is

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QUESTION: 70

The voltage gain of an amplifier with 9% negative feedback is 10. The voltage gain without feedback will be

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QUESTION: 71

The width of forbidden gap in silicon crystal is 1.1 eV. When the crystal is converted into a n - type semiconductor, the distance of fermi level from conduction band is

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QUESTION: 72

In a properly biased transistor

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QUESTION: 73

When the electrical conductivity of a semiconductor is due to the breaking of its covalent bonds, then the semiconductor is said to be

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QUESTION: 74

On increasing the reverse bias to a large value in a P-N junction diode current

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QUESTION: 75

In p-type semiconductors conduction is due to

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QUESTION: 76

In a P-type semiconductor, germanium is doped with

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QUESTION: 77

Two sources of same intensity interfere at a point and produced resultant I. When one source is removed, the intensity at that point will be

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QUESTION: 78

If the two slits in Young's experiment have width ratio 1:4, the ratio of intensity at maxima and minima in the interference pattern in

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QUESTION: 79

For which property are electrons used in an electron microscope?

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QUESTION: 80

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?

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QUESTION: 81

Zerewitnoff's determination of active hydrogen in a compound is based upon its reaction with

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QUESTION: 82

At room temperature formaldehyde is

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QUESTION: 83

The general order of reactivity of carbonyl compounds towards nucleophilic addition reactions is?

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QUESTION: 84

A compound A has molecular formula C₂Cl₃OH. It reduce Fehling's solution and on oxidation gives a monocarboxylic acid B. A is obtained by the action of Cl₂ on ethyl alcohol. A is

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QUESTION: 85

Pure methane can be produced by

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QUESTION: 86

The reaction CH₃CH₂Br + OH→ CH₃CH₂OH + Br- is an example of;

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QUESTION: 87

Vitamin A is called

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QUESTION: 88

The most stable carbonium ion is:

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QUESTION: 89

The conversion of Cl ― CH ═ CH ― Cl to Cl₂CH ― CHCl₂ can be carried out with

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QUESTION: 90

An example of zwitterion is

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QUESTION: 91

The bond that determines the secondary structure of a protein is

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QUESTION: 92

Saponification of ethyl benzoate with caustic soada as alkali,gives

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QUESTION: 93

Hydrolysis of an ester gives a carboxylic acid which on Kolbe's electrolysis yields ethane. The ester is

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QUESTION: 94

The compound which reacts with Fehling solution is

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QUESTION: 95

In a reversible reaction, the catalyst

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QUESTION: 96

The equilibrium constant in a reversible chemical reaction at a given temperature

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QUESTION: 97

The heat of combustion of methane at 298K is expressed by
CH4  g + 2O2 g → CO2 g + 2 H2O l , Δ H = − 890.2 k J . The magnitude of Δ E of the reaction at this temperature is

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QUESTION: 98

The systematic name of (CH₃)₂CH-COOH is

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QUESTION: 99

In the reaction CH2COOHaq + OH(aq) → CH3COO- + H2O(l) ; ΔH = -55.2kJ mol-1 What is the heat of dissociation (in kJ mol-1) of acetic acid?

Solution:

ΔH = -55.2 KJ.mol-1
-[H+ (aq) + OH- (aq) → H2O(l) ΔH = -57.3 KJ .mol-1]]

CH2COOHaq → CH3COO- (aq) + H+ (aq) ΔH = ?
CH2COOH(aq) + OH- (aq) → CH3COO- (aq) + H2O(l) ΔH = -55.2 KJ .mol-1
-H+ + OH- (aq) → - H2O(l) ΔH = + 57.3KJ .mol-1
CH3COOH(aq) → CH3COO- (aq) + H+(aq) ΔH = 2.1 KJmol-1

QUESTION: 100

An example of anthraquinone dye is

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QUESTION: 101

Consider the following reaction

C + O2 → CO2 , Δ H = − 400 k J ∕ mole
2H2 + O2 → 2 H2O , Δ H = − 570 k J ∕ m o l e ;
CO2 + 2 H2O → CH4 + 2O2 , Δ H = 800 k J ∕ m o e
The heat of formation of methane is

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QUESTION: 102

In the diazotisation of aniline with sodium nitrite and hydrochloric acid, the excess of hydrochloric acid is used primarily to

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QUESTION: 103

Among TiF₆2-,Co₆3-,Cu₂Cl₂ and Ni₄4-(at.nos.:Ti=22, Co=27, Cu=29, Ni=28). The colourless species are

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QUESTION: 104

The number of unpaired electrons calculated in [ Co(NH3)6]3+  and [ CoF6 ]3-  are

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QUESTION: 105

Reduction of H₃C ― NC with hydrogen in the presence of Ni/Pt catalyst gives

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QUESTION: 106

The e.m.f. of a galvanic cell with electrode potentials of silver equal to + 0.80 V and that of copper equal to + 0.34 V is

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QUESTION: 107

The pH of aqueous KCl solution is 7.0. This solution was electrolysed for a few seconds using Pt electrodes. Which of the following is correct?

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QUESTION: 108

Ether which is liquid at room temperature is

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QUESTION: 109

The standard emf of the cell Zn + Cu2+ → Cu + Znis 1.10 V at 250C. The emf of the cell when 0.1 M Cu2+ and 0.1 M Zn2+ solutions are used will be

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QUESTION: 110

If the weight of 5.6 liters of a gas at N.T.P. is 11 gram. The gas may be

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QUESTION: 111

In the manufacture of cement which of the following is used?

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QUESTION: 112

Which of the following is the best source of thallium?

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QUESTION: 113

White phosphorus when boiled with strong solution of caustic soda produces :

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QUESTION: 114

Coordination number of Na⁺ in NaCl is

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QUESTION: 115

Which of the following is a redox reaction?

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QUESTION: 116

Following compound

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QUESTION: 117

Which one of the following is an oxyacid ?

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QUESTION: 118

The CMC is the concentration at which

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QUESTION: 119

Which of the following contains maximum number of unpaired electrons?

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QUESTION: 120

Choose the correct answer of transition elements?

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QUESTION: 121

Find the antonym of APPOSITE

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QUESTION: 122

Find the Syonym of ARID

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QUESTION: 123

Fill in the blank with appropriate word.
The passengers and crew members of the aeroplane had a.......escape when it was taking off from the runway.

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QUESTION: 124

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

There is NO LOVE LOST between the two neighbours.

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QUESTION: 125

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

When the solider returned home after the war was over, his wife received him WITH OPEN HANDS.

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