ECAT Mock Test 14 - Online MCQ Exam

Aluminium is extracted by:

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Your Answer:

Reduction with C Reduction with C
Reduction with CO Reduction with CO
Electrolysis Electrolysis
Self-reduction Self-reduction

Constitution is to Amendment as Book is to?

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Your Answer:

Errata Errata
Contents Contents
Preface Preface
Acknowledgement Acknowledgement

Choose analogous pair: Rectangle : Cylinder

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Your Answer:

Square : Sphere Square : Sphere
Circle : Disc Circle : Disc
Triangle : Cone Triangle : Cone
Wall : Room Wall : Room

10 books are placed at random in a shelf. The probability that a pair of books will always be together is_________?

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Your Answer:

1/10 1/10
9/10 9/10
1/5 1/5
3/10 3/10

Find the greatest number of four digits which when divided by 10, 15, 21 and 28 leaves 4, 9, 15 and 22 as remainders respectively?

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Your Answer:

9654 9654
9666 9666
9664 9664
9864 9864

Choose similar word: Bleat : Bray : Grunt

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Your Answer:

Bark Bark
Croak Croak
Cry Cry
Scream Scream

Substances which increase the rate of a chemical reaction are called:

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Your Answer:

proteins proteins
single cell protein single cell protein
enzymes enzymes
catalysts catalysts

My brother is devoted _____________religion.

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Your Answer:

with with
to to
at at
in in

DEAR

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Your Answer:

Priceless Priceless
Free Free
Worthless Worthless
Cheap Cheap

A person sells two items at $₹990$ each. On one he gains \$10\%$ and on the other he loses \$10\%$. Find his overall profit or loss percentage.

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Your Answer:

No profit no loss No profit no loss
0.5% loss 0.5% loss
1% loss 1% loss
1% profit 1% profit

Ina liquid metal fast breeder reactor, the type of uranium used is______________?

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Your Answer:

92U235 92U235
92U238 92U238
92U234 92U234
92U239 92U239

The organic compound used for artificial ripening of fruits is:

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Your Answer:

methane methane
ethane ethane
propane propane
acetylene acetylene

Assertion (A) A page is 25 cm long and 20 cm wide. The area of this page is 90 cm. Reason (R) The amount of surface enclosed by a closed figure is called its area.

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Your Answer:

A) Both A and R are true and R is the correct explanation of A
B) Both A and R are true but R is not the correct explanation of A
C) A is true but R is false C) A is true but R is false
D) A is false but R is true Perimeter of the shaded portion in figure is AB + … +.. + … + … + … + .. + HA Answer: BM+MD+DE + EN + NG+GH 2. Diagonal of a rectangle divides the rectangle in two __ parts. Answer: Equal 3. In the given figure, the area of ΔDAS is the __ of the area of rectangle ABCD. Answer: Half 4. The amount of region enclosed by a plane closed 1 figure is called its __ Answer: Area 5. The area of a play ground is 1190 m². If its length is 35 m, the width is __ Answer: 34 m True/False 1. If l and b are the length and width of a rectangle respectively, then the perimeter of rectangle is (l + b). Answer: False 2. The perimeter of a square is 4 times of its side. Answer: True 3. A farmer who wants to fence his field, must find the perimeter Of the field. Answer: True 4. If length of a rectangle is halved and breadth is doubled, then the area of the rectangle obtained remains same. Answer: True 5. Area of a square is doubled, if the side of the square is doubled. Answer: False Match the Columns

Which branch of Physics deals with the study of motion of material objects?

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Your Answer:

Mechanics Mechanics
Thermodynamics Thermodynamics
Optics Optics
Electrodynamics Electrodynamics

If a body does not change its position concerning its surroundings, it is said to be at:

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Your Answer:

rest rest
motion motion
distance distance
position position

The diagonals of a rhombus are 12 cm and 16 cm. Its area is ______ cm 2

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Your Answer:

A) 96 A) 96
B) 100 B) 100
C) 120 C) 120
D) 80 D) 80

Hiss: Snake ::

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Your Answer:

Notes: Music Notes: Music
Splash: Water Splash: Water
Trumpet: Elephant Trumpet: Elephant
Cat: Mew Cat: Mew

Choose the antonym of 'Abundant'

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Your Answer:

Plenty Plenty
Scarce Scarce
Sufficient Sufficient
Ample Ample

She admitted that she had contemplated suicide on many an occasion, writing her memoirs, Doreen, _____ lost a daughter to cancer.

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Your Answer:

Have Have
Who must Who must
Who had herself Who had herself
Would have Would have

If x = 0 then | x | is equal to:

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Your Answer:

x x
0 0
1 1
−x −x

If we bring charged plastic rod near-neutral aluminum rod, then rods will:

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Your Answer:

repel each other repel each other
attract each other attract each other
remain their position remain their position
exchange charges exchange charges

France : Spain : Germany

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Your Answer:

Japan : China : Turkey Japan : China : Turkey
Sri Lanka : Japan : India Sri Lanka : Japan : India
Iraq : Kuwait : Iran Iraq : Kuwait : Iran
Canada : California : Mexico Canada : California : Mexico

A rectangular farm has to be fenced one long side, one short side and the diagonal. If the cost of fencing is Rs.10 per meter. The area of farm is 1200 m2 and the short side is 30 m long. How much would the job cost?

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Your Answer:

Rs.700 Rs.700
Rs.1200 Rs.1200
Rs.1400 Rs.1400
Rs.1500 Rs.1500

Drama is related to Scene in the same way as Book is related to?

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Your Answer:

Story Story
Page Page
Chapter Chapter
Author Author

Ana runs a merchandiser store. She wants to buy 500 note books for her store. She will get 300 notebooks for $2500. The next 200 note books are for $4 per notebook. The total cost for note books will be:

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Your Answer:

$3,300 $3,300
$3,500 $3,500
$3,400 $3,400
$3,600 $3,600

Dhruv said that he was sick and tired of working for that company.

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Your Answer:

Dhruv said, "I am sick and tired of working for this company."
Dhruv said, "He was tired of that company."
Dhruv said to me, "I am sick and tired of working for this company."
Dhruv said, "I will be tired of working for that company."

The poor examine said,"O God, take pity on me."

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Your Answer:

The poor examine prayed to God to take pity on him.
The poor examine, involving God, implored him to take pity on him.
The poor examine exclaimed that God take pity on him.
The poor examine asked God to take pity on him.

She is awaiting _______ result.

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Your Answer:

for for
from from
the the
on on

The price of cooking oil has increased by 25 %. The percentage of reduction that a farming should effect in the use of cooking oil so as not to increase the expenditure on this account is________?

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Your Answer:

15 % 15 %
20 % 20 %
25% 25%
30% 30%

A noisy and bombastic speech addressed to a large assembly is?

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Your Answer:

rhetoric rhetoric
cacophony cacophony
harangue harangue
oration oration

Which is a perfect sixth power?

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Your Answer:

A) 729 A) 729
B) 64 B) 64
C) 729 6 C) 729 6
D) 1 D) 1

If 250 babies are born every minute across the world, then the number of babies born in one hour is:

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Your Answer:

A) 15000 A) 15000
B) 150000 B) 150000
C) 1500 C) 1500
D) 150 D) 150

If the length of rectangle is 15cm and width of rectangle is 5cm then the area of rectangle is:

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Your Answer:

35cm² 35cm²
40cm² 40cm²
75cm² 75cm²
70cm² 70cm²

What is the next number in the sequence 2, 4, 8,16, …….. ?

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Your Answer:

A) 18 A) 18
B) 32 B) 32
C) 24 C) 24
D) 34 D) 34

Mass defect per nucleon is ___________________?

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Your Answer:

The binding energy of the nucleus The binding energy of the nucleus
Packing fraction Packing fraction
The average energy of the nucleus The average energy of the nucleus
All of above are one and the same thing All of above are one and the same thing

Considering the methods for making salt, the reaction of acid and metal gives:

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Your Answer:

salt and water salt and water
salt and hydrogen salt and hydrogen
salt, carbon dioxide and water salt, carbon dioxide and water
salt and salt salt and salt

The equation of a plane progressive wave is $y = A \sin(\omega t - kx)$. Here $k$ is:

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Your Answer:

Frequency Frequency
Propagation constant Propagation constant
Wavelength Wavelength
Time period Time period

She’s angry ______ you.

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Your Answer:

On On
For For
With With
To To

Archipelago : Islands : : Massif : ________?

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Your Answer:

Mountains Mountains
Caves Caves
Forests Forests
Hillocks Hillocks

Find the identity element in the set I + of all positive integers defined by a * b = a + b for all a, b ∈ I + .

1 Mark(s)

Your Answer:

A) 1 A) 1
B) 2 B) 2
C) 3 C) 3
D) 0 D) 0

The final product (Y) in the following sequence of chemical reaction is

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Your Answer:

A) An alkene A) An alkene
B) a carboxylic acid B) a carboxylic acid
C) an aldehyde C) an aldehyde
D) sodium salt of carboxylic acid D) sodium salt of carboxylic acid

Two parallel beams of positrons moving in the same direction will________?

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Your Answer:

repel each other repel each other
not interact with each other not interact with each other
attract each other attract each other
be deflected normal to the plane containing the two beams.

The current of a stream at 1 kmph. A motor boat goes 35 km upstream and back to the starting point in 12 hours. The speed of the motor boat in still water is_________?

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Your Answer:

6 kmph 6 kmph
7 kmph 7 kmph
8.5 kmph 8.5 kmph
8 kmph 8 kmph

A person who loves everybody:

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Your Answer:

Cosmopolitan Cosmopolitan
Fratricide Fratricide
Altruistic Altruistic
Aristocrat Aristocrat

If $x - 17 = 28$, find $x$

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Your Answer:

43 43
44 44
45 45
46 46

A man can row three-quarters of a kilometer against the stream in 11 ¼ minutes and return in 7 ½ minutes. The speed of the man in still water is________?

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Your Answer:

2km/hr 2km/hr
3km/hr 3km/hr
4 km/hr 4 km/hr
5 km/hr 5 km/hr

The maximum mass is present in 1dm3 for the following gas at STP.

1 Mark(s)

Your Answer:

C3H8 C3H8
CO2 CO2
CO CO
CS2 CS2

Complete the following conversation using the appropriate option: A:What would you like to eat? B: ____________ a sandwich, please. (I/have)

1 Mark(s)

Your Answer:

I'd have I'd have
I had I had
I'll have I'll have
I'm having I'm having

” Infallible ” refers to the one who is free from all _________?

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Your Answer:

cares & worries cares & worries
cares & failures cares & failures
mistakes & failures mistakes & failures
Worries & troubles Worries & troubles

Positive integers indicated by x and y satisfy 3 1/x * y 2/5 = 13 3/4, the fractions being in their lowest terms, then x = ? and y = ____________?

1 Mark(s)

Your Answer:

x = 4, y = 8 x = 4, y = 8
x = 4, y = 4 x = 4, y = 4
x = 2, y = 4 x = 2, y = 4
x = 8, y = 4 x = 8, y = 4

[(523 + 27) * (187 – 35) / (424 + 16)] / [110/22 of (2 * 38)] = ______?

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Your Answer:

2 2
1 1
4 4
3 3

The mass of one mole of electrons is approximately:

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Your Answer:

5.5 mg 5.5 mg
0.55 mg 0.55 mg
0.055 mg 0.055 mg
55 mg 55 mg

The round off value of 78.25m to the nearest 10m is:

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Your Answer:

75m 75m
80m 80m
79m 79m
78m 78m

He said. "Be quite and listen to my words.

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Your Answer:

He urged them to be quite and listen to his words.
He urged them and said be quite and listen to his words.
He urged they should be quite and listen to his words.
He said you should be quite and listen to his words.

The absolute refractive index of any medium (other than vacuum) is always:

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Your Answer:

Less than 1 Less than 1
Equal to 1 Equal to 1
Greater than 1 Greater than 1
Zero Zero

Entropy of system increases when:

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Your Answer:

Ice freezes Ice freezes
Gas condenses Gas condenses
Solid melts Solid melts
Liquid solidifies Liquid solidifies

If yellow light is replaced by blue light in YDSE, the fringes will:

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Your Answer:

Become wider Become wider
Become narrower Become narrower
Disappear Disappear
Remain unchanged Remain unchanged

When the liquid is heated there is change in volume of:

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Your Answer:

liquid only liquid only
container only container only
air air
liquid and container liquid and container

Sodium carbonate is produced by____________?

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Your Answer:

haber process haber process
Amonia solvay process Amonia solvay process
decons process decons process
lead chamber process lead chamber process

A word processing program that you can use to write letters on your computer is a type of:

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Your Answer:

software software
hardware hardware
cluster cluster
transmitter transmitter

Choose the opaque object from the following:

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Your Answer:

A) Charcoal A) Charcoal
B) Air B) Air
C) Glass C) Glass
D) Water D) Water

CAPACIOUS

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Your Answer:

Limited Limited
Caring Caring
Foolish Foolish
Changeable Changeable

How many meters of carpet 63cm will be required to be a floor of a room 14m by 9cm?

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Your Answer:

200m 200m
210m 210m
220m 220m
185m 185m

When catalysts and reactants are in more than one phase it is________________?

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Your Answer:

Homogeneous catalysis Homogeneous catalysis
Heterogeneous catalysis Heterogeneous catalysis
Catalysis Catalysis
Ea Ea

The size of the pupil is controlled by:

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Your Answer:

cornea cornea
chord chord
retina retina
iris iris

The invigilator was reading out the instructions.

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Your Answer:

The instructions were read by the invigilator.
The instructions were being read out by the invigilator.
The instructions had been read out by the invigilator.
The instructions had been read by the invigilator.

Fructose is an example of:

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Your Answer:

monosaccharides monosaccharides
oligosaccharides oligosaccharides
polysaccharides polysaccharides
vitamins vitamins

By the help of fermentation, starch is converted to:

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Your Answer:

rectified spirit rectified spirit
dextrin dextrin
cellulose cellulose
sucrose sucrose

The matter whose molecules have random motion and move with very high velocities is:

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Your Answer:

gas gas
plasma plasma
solids solids
liquid liquid

Molecular orbital which have higher energy than atomic orbitals is called___________________?

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Your Answer:

Bonding molecular orbital Bonding molecular orbital
Antibonding molecular orbital Antibonding molecular orbital
Hybrid orbital Hybrid orbital
Super atomic orbital Super atomic orbital

Mother _____ Molly not to go out in the winter.

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Your Answer:

advise advise
adviced adviced
advice advice
advised advised

Evaluating Your Answers

ECAT Mock Test 14 : Question 1 of 71