ECAT Mock Test 9 - Online MCQ Exam

Which is plural?

1 Mark(s)

Your Answer:

Child Child
Woman Woman
Geese Geese
Mouse Mouse

I shall take revenge ...... you.

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Your Answer:

from from
with with
on on
at at

What is $\sqrt{529}$?

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Your Answer:

23 23
21 21
25 25
27 27

Calamine is ore of:

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Your Answer:

Iron Iron
Copper Copper
Lead Lead
Zinc Zinc

In order to obtain an income of Rs. 650 from 10% stock at Rs. ,96, one must make an investment of___________?

1 Mark(s)

Your Answer:

Rs. 3100 Rs. 3100
Rs. 6240 Rs. 6240
Rs. 6500 Rs. 6500
Rs. 9600 Rs. 9600

In a new system of units, the unit of mass is $\alpha$ kg, unit of length is $\beta$ m, and unit of time is $\gamma$ s. The value of 1 Joule in this new system is:

1 Mark(s)

Your Answer:

$\alpha^{-1} \beta^{-2} \gamma^2$ $\alpha^{-1} \beta^{-2} \gamma^2$
$\alpha \beta^2 \gamma^{-2}$ $\alpha \beta^2 \gamma^{-2}$
$\alpha^{-1} \beta^{-1} \gamma^2$ $\alpha^{-1} \beta^{-1} \gamma^2$
$\alpha^{-2} \beta^{-1} \gamma$ $\alpha^{-2} \beta^{-1} \gamma$

I will help you ___ you help me.

1 Mark(s)

Your Answer:

when when
if if
while while
until until

If the monthly pay of salesman is 'y' and includes basic pay $200 plus a commission of $5 for every unit he sales then the function for this can be written as:

1 Mark(s)

Your Answer:

x = 205 + 5y x = 205 + 5y
200 + 5xy 200 + 5xy
y = 200 + 5x y = 200 + 5x
y = 205 + x y = 205 + x

Bleaching powder is not used for bleaching________________?

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Your Answer:

Cotton Cotton
Costly fabrics Costly fabrics
Linen Linen
Paper pulb Paper pulb

The value of 15-(5+3) is

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Your Answer:

A) 7 A) 7
B) 8 B) 8
C) 9 C) 9
D) 10 D) 10

Detect analogy : Sarnath : Kapilavastu : Sanchi

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Your Answer:

These are place having massive pillars. These are place having massive pillars.
These are linked with Lord Buddha. These are linked with Lord Buddha.
These are famous for stone caves. These are famous for stone caves.
These have ancient universities. These have ancient universities.

Mirror image of point (3, 9) in x-axis is

1 Mark(s)

Your Answer:

A) (- 3, 9) A) (- 3, 9)
B) (9, 3) B) (9, 3)
C) (3, 9) C) (3, 9)
D) (3, -9) (3, -9) D) (3, -9) (3, -9)

Which of the following is a trinomial in x?

1 Mark(s)

Your Answer:

A) x 3 + 1 A) x 3 + 1
B) x 3 + x 2 + x B) x 3 + x 2 + x
C) x√x – √x + 1 C) x√x – √x + 1
D) x 3 + 2x D) x 3 + 2x

A journey of 750 km was covered partly by car(x km) and partly by train(y km). If the distance travelled by train was 150 km more than the distance travelled by car, find x:y.

1 Mark(s)

Your Answer:

2:3 2:3
3:2 3:2
3:4 3:4
4:3 4:3

The activity of an enzyme becomes ineffective

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Your Answer:

A) at low temperature A) at low temperature
B) at atmospheric pressure B) at atmospheric pressure
C) at high temperature C) at high temperature
D) in aqueous medium D) in aqueous medium

Nutrition is derived by cows, cattle, goats, deer, sheep, and termites from:

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Your Answer:

cellulose cellulose
starch starch
monosaccharides monosaccharides
oligosaccharides oligosaccharides

The x-axis and y-axis divides the plane in four regions, called:

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Your Answer:

quadrants quadrants
segments segments
sectors sectors
positions positions

A source of frequency $f$ moves towards a wall with velocity $v_s$. An observer is stationary behind the source. The beat frequency heard by the observer (direct + reflected) is:

1 Mark(s)

Your Answer:

$2f v_s / v$ $2f v_s / v$
$2f v v_s / (v^2 - v_s^2)$ $2f v v_s / (v^2 - v_s^2)$
$f v_s / (v+v_s)$ $f v_s / (v+v_s)$
Zero Zero

If x - a is a factor of P(x), then P(a) should be:

1 Mark(s)

Your Answer:

1 1
0 0
a a
−a −a

Current due to the flow of positive charges is called:

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Your Answer:

electronic current electronic current
conventional current conventional current
protonic current protonic current
all of above all of above

Essential amino acids are___________________?

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Your Answer:

5 5
10 10
15 15
20 20

A and B put in Rs.300 and Rs.400 respectively into a business. A reinvests into the business his share of the first year’s profit of Rs.210 where as B does not. In what ratio should they divide the second year’s profit?

1 Mark(s)

Your Answer:

39:40 39:40
40:39 40:39
3:4 3:4
4:3 4:3

Fear of heights is________?

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Your Answer:

Highphobia Highphobia
Altophobia Altophobia
Heliophobia Heliophobia
Acrophobia Acrophobia

The tip of funnel should touch the wall of the breaker in order to avoid____________________?

1 Mark(s)

Your Answer:

Inconsistent flow of filtration Inconsistent flow of filtration
splashing splashing
premature crystallization premature crystallization
all of above all of above

Essential amino acids:

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Your Answer:

Cannot be synthesized Cannot be synthesized
Can be synthesized Can be synthesized
Non-protein Non-protein
D-amino acids D-amino acids

VSEPR theory is based on:

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Your Answer:

Attraction Attraction
Repulsion of electron pairs Repulsion of electron pairs
Hybridization Hybridization
Bond strength Bond strength

The age of fossil when C-14: C-12 in bone is one fourth of ratio in bone of living animal and half-life of C-14 is 5732 years is:

1 Mark(s)

Your Answer:

100 years 100 years
11460 years 11460 years
1000 years 1000 years
1200 years 1200 years

REPERCUSSION

1 Mark(s)

Your Answer:

Clever reply Clever reply
Recollection Recollection
Remuneration Remuneration
Reaction Reaction

Five years ago the average of the ages of A and B was 40 years and now the average of the ages of B and C is 48 years. What will be the age of the B ten years hence?

1 Mark(s)

Your Answer:

55 years 55 years
56 years 56 years
58 years 58 years
Data inadequate Data inadequate

A particle starts from rest with acceleration $2 m/s^2$. The distance covered in the 3rd second is:

1 Mark(s)

Your Answer:

$9 m$ $9 m$
$5 m$ $5 m$
$4 m$ $4 m$
$6 m$ $6 m$

In which compound nitrogen has maximum oxidation state____________________?

1 Mark(s)

Your Answer:

N2O N2O
NO2 NO2
HNO2 HNO2
HNO3 HNO3

The alternating voltage is an example of_______________?

1 Mark(s)

Your Answer:

A digital waveform A digital waveform
An analogue waveform An analogue waveform
Discrete waveform Discrete waveform
None at all None at all

The relationship between the radius of curvature ($R$) and focal length ($f$) of a spherical mirror is:

1 Mark(s)

Your Answer:

$R = 2f$ $R = 2f$
$R = f$ $R = f$
$R = f/2$ $R = f/2$
$R = 3f$ $R = 3f$

What does “collaborate” mean?

1 Mark(s)

Your Answer:

A difficult problem A difficult problem
Work together on a common enterprise or project
An accommodation with concessions from both sides
A deep awareness of and sympathy for another’s suffering

Helium gas is used in gas balloons instead of hydrogen gas because it is:?

1 Mark(s)

Your Answer:

Lighter than hydrogen Lighter than hydrogen
More stable More stable
More abundant than hydrogen More abundant than hydrogen
Non-combustible Answer Non-combustible Answer

Synonym of “tepid” is _________?

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Your Answer:

enraged enraged
equatorial equatorial
transported transported
lukewarm lukewarm

The radiations emitted form hydrogen filled discharge tube show____________?

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Your Answer:

band spectrum band spectrum
line spectrum line spectrum
continuous spectrum continuous spectrum
absorption spectrum absorption spectrum

Nitration of chlorobenzene gives___________________?

1 Mark(s)

Your Answer:

o – chloronitrobenzene o – chloronitrobenzene
p – chloronitrobenzene p – chloronitrobenzene
m – chloronitrobenzene m – chloronitrobenzene
A & B A & B

The output of a NOR gate is opposite to the:

1 Mark(s)

Your Answer:

AND gate AND gate
OR gate OR gate
NAND gate NAND gate
NOT gate NOT gate

Evaluating Your Answers

ECAT Mock Test 9 : Question 1 of 39