ECAT Mock Test 10 - Online MCQ Exam

What is the largest number that can be formed using the digits 6382?

1 Mark(s)

Your Answer:

A) 8632 A) 8632
B) 8362 B) 8362
C) 8623 C) 8623
D) 8236 The largest number formed by 6382 is 8632. Hence correct answer is option (a).

Absolute alcohol is:

1 Mark(s)

Your Answer:

95% ethanol 95% ethanol
100% ethanol 100% ethanol
50% ethanol 50% ethanol
Methylated spirit Methylated spirit

Pronoun is used to avoid unnecessary repetition of ____________ in a sentence?

1 Mark(s)

Your Answer:

Verb Verb
Adjective Adjective
Noun Noun
Preposition Preposition

Synonym of Stunning is _____________?

1 Mark(s)

Your Answer:

Magician Magician
Beautiful Beautiful
Vain Vain
None of these None of these

The sum of the squares of two consecutive positive integers is \$365$. Find the smaller integer.

1 Mark(s)

Your Answer:

11 11
12 12
13 13
14 14

Prime Minister leaves ______ UK on Monday.

1 Mark(s)

Your Answer:

to to
by by
for for
none none

If 8 th , 15 th , and 22 nd terms of a G.P. are x, y, and z respectively, then y is equal to

1 Mark(s)

Your Answer:

A) (xz) 2 A) (xz) 2
B) xz B) xz
C) $\sqrt{xz}$ C) $\sqrt{xz}$
D) 3$\sqrt{xz}$ (\sqrt{xz}\) D) 3$\sqrt{xz}$ (\sqrt{xz}\)

The maximum stress that can be applied to a material without causing permanent deformation is called:

1 Mark(s)

Your Answer:

Breaking Stress Breaking Stress
Elastic Limit Elastic Limit
Ultimate Strength Ultimate Strength
Fatigue Limit Fatigue Limit

Helium is chemically:

1 Mark(s)

Your Answer:

active active
inert inert
unstable unstable
none of above none of above

F zero lines of the Vernier scale are on the right side of the zero of the main scale, then zero error will be:

1 Mark(s)

Your Answer:

positive positive
negative negative
zero zero
one one

What profit percent is made by selling an article at a certain price, if by selling at 2/3rd of that price, there would be a loss of 20%?

1 Mark(s)

Your Answer:

20% 20%
25% 25%
13 1/30% 13 1/30%
12% 12%

SECURITY :

1 Mark(s)

Your Answer:

Boldness Boldness
Safety Safety
Fearlessness Fearlessness
Confidence Confidence

If the equation a(y + z) = x, b(z + x) = y, c(x + y) = z have non-trivial solutions then the value of $\frac{1}{1+a}+\frac{1}{1+b}+\frac{1}{1+c}$ is

1 Mark(s)

Your Answer:

A) 1 A) 1
B) 2 B) 2
C) -1 C) -1
D) -2 D) -2

Find the value: $80^2$

1 Mark(s)

Your Answer:

6300 6300
6350 6350
6400 6400
6450 6450

Blue vitriol is:

1 Mark(s)

Your Answer:

$\ce{ZnSO4}$ $\ce{ZnSO4}$
$\ce{CuSO4.5H2O}$ $\ce{CuSO4.5H2O}$
$\ce{FeSO4}$ $\ce{FeSO4}$
$\ce{NiSO4}$ $\ce{NiSO4}$

What is the meaning of the term 'Strato'?

1 Mark(s)

Your Answer:

layer layer
top top
changing changing
turning turning

What is the nearest meaning of the word “scathing”?

1 Mark(s)

Your Answer:

Mild Mild
Severe or harsh Severe or harsh
Supportive Supportive
Praise Praise

Glycerol reacts with $\ce{KHSO4}$ to give:

1 Mark(s)

Your Answer:

Propanol Propanol
Propanoic acid Propanoic acid
Acrolein Acrolein
Acetone Acetone

The amount of energy released when one or more electrons is added to the neutral atom is

1 Mark(s)

Your Answer:

A) electron affinity A) electron affinity
B) ionisation energy B) ionisation energy
C) electron negativity C) electron negativity
D) atomicity D) atomicity

The color of the neutral wire is:

1 Mark(s)

Your Answer:

red or brown red or brown
green or yellow green or yellow
black or blue black or blue
white or pink white or pink

The central atom along with ligands is called____________________?

1 Mark(s)

Your Answer:

complex ion complex ion
coordination sphere coordination sphere
ligand ligand
complex compound complex compound

Alpha (α) particles are helium (He) nucleus with a charge of __________ ?

1 Mark(s)

Your Answer:

e e
2e 2e
3e 3e
4e 4e

If the ratio of two positive numbers is 7 : 9 and their product is 1575, then the greatest number is -

1 Mark(s)

Your Answer:

45 45
15 15
35 35
55 55

A bullet of mass 30 g is fired from a gun with a muzzle velocity 90ms−1. If its mass is 4 kg then the recoil of the gun will be:

1 Mark(s)

Your Answer:

− 0.34 ms−1 − 0.34 ms−1
0.54 ms−1 0.54 ms−1
− 0.54 ms−1 − 0.54 ms−1
0.34 ms−1 0.34 ms−1

Which of the following expressions can be used to get all the even numbers?

1 Mark(s)

Your Answer:

A) 2n-1 A) 2n-1
B) 2 n B) 2 n
C) 3n C) 3n
D) 3n+4 D) 3n+4

Sana was starring _____ me.

1 Mark(s)

Your Answer:

to to
towards towards
at at
on on

Which of the following is responsible for depletion of ozone layer in the upper strata of the atmosphere?

1 Mark(s)

Your Answer:

A) Polyhalogens A) Polyhalogens
B) Ferrocene B) Ferrocene
C) Fullerencs C) Fullerencs
D) Freons. D) Freons.

Electrons revolve only in those orbits with angular momentum as an:

1 Mark(s)

Your Answer:

half integral multiple of 'h' half integral multiple of 'h'
integral multiple of 'h' integral multiple of 'h'
integral multiple of h ⁄ 2π integral multiple of h ⁄ 2π
half integral multiple of 2π half integral multiple of 2π

Which sequence of steps is correct for the manufacture of cement ?

1 Mark(s)

Your Answer:

crushing heating mixing grinding crushing heating mixing grinding
crushing mixing heating grinding and mixing
crushing grinding mixing heating crushing grinding mixing heating
mixing heating grinding crushing mixing heating grinding crushing

[8 + {(21 * √9/441 – 1 /5 of 60% – 1/5) * 625 + 7} ÷ 4] = _________?

1 Mark(s)

Your Answer:

10 10
15 15
7 7
16 16

If two lines are intersected by a transversal, then the number of pairs of corresponding angle is

1 Mark(s)

Your Answer:

A) 1 A) 1
B) 2 B) 2
C) 3 C) 3
D) 4 D) 4

What is happening . . . . . . . . this picture?

1 Mark(s)

Your Answer:

at at
from from
of of
in in

Let f : N → R : f(x) = $\frac{(2 x-1)}{2}$ and g : Q → R : g(x) = x + 2 be two functions. Then, (gof) ($\frac{3}{2}$) is

1 Mark(s)

Your Answer:

A) 3 A) 3
B) 1 B) 1
C) $\frac{7}{2}$ C) $\frac{7}{2}$
D) None of these D) None of these

A person can row at 9 kmph and still water. He takes 4 1/2 hours to row from A to B and back. What is the distance between A and B if the speed of the stream is 1 kmph?

1 Mark(s)

Your Answer:

32 km 32 km
25 km 25 km
28 km 28 km
24 km 24 km
None of these None of these

Special features of borate glass is that it is_________________?

1 Mark(s)

Your Answer:

Heat resistant Heat resistant
Low melting Low melting
Used to prepare chemical garden Used to prepare chemical garden
Green in colour Green in colour

The distance between the points (sin 0, sin 0) and (cos 0, – cos 0) is

1 Mark(s)

Your Answer:

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

Using the data of question (7). Find the difference between number of bikes manufactured in the years 1999 and 2000.

1 Mark(s)

Your Answer:

A) 300 A) 300
B) 305 B) 305
C) 310 C) 310
D) 410 D) 410

What is the next number in the sequence: \$2, 4, 6, 8, ?$

1 Mark(s)

Your Answer:

9 9
11 11
10 10
12 12

What is the common name of 1,2,3 propanetriol?

1 Mark(s)

Your Answer:

Butyl Alcohol Butyl Alcohol
Glycol Glycol
Glycerol Glycerol
Propyl alcohol Answer Propyl alcohol Answer

The time period of simple pendulum 1 m long at a location where g=10ms-1 will be:

1 Mark(s)

Your Answer:

2.5 s 2.5 s
1.5 s 1.5 s
3 s 3 s
1.99 s 1.99 s

Choose analogous pair: Revolution : Change

1 Mark(s)

Your Answer:

Disease : Medicine Disease : Medicine
Famous : Notorious Famous : Notorious
Food : Energy Food : Energy
Treaty : Peace Treaty : Peace

Ottawa : Canada : : Canberra : __________?

1 Mark(s)

Your Answer:

Argentina Argentina
Switzerland Switzerland
Sri Lanka Sri Lanka
Australia Australia

Karan will arrive in . . . . . . . . hour.

1 Mark(s)

Your Answer:

a a
an an
the the
none of these none of these

If the points (a 1 , b 1 ), (a 2 , b 2 ) and(a 1 + a 2 , b 1 + b 2 ) are collinear, then

1 Mark(s)

Your Answer:

A) a 1 b 2 = a 2 b 1 A) a 1 b 2 = a 2 b 1
B) a 1 + a 2 = b 1 + b 2 B) a 1 + a 2 = b 1 + b 2
C) a 2 b 2 = a 1 b 1 C) a 2 b 2 = a 1 b 1
D) a 1 + b 1 = a 2 + b 2 D) a 1 + b 1 = a 2 + b 2

On the basis of passage of light, objects are classified into

1 Mark(s)

Your Answer:

A) four types A) four types
B) five types B) five types
C) three types C) three types
D) none. D) none.

The number of electrons lost by atoms of group IIIA equals:

1 Mark(s)

Your Answer:

2 2
4 4
5 5
3 3

What is the term used for a salt which is formed by the complete neutralization of an acid?

1 Mark(s)

Your Answer:

basic salt basic salt
common salt common salt
acid salt acid salt
normal salt normal salt

What is the fraction of 5%?

1 Mark(s)

Your Answer:

1/25 1/25
1/20 1/20
1/20 1/20
1/30 1/30

Vitamin K is necessary for:

1 Mark(s)

Your Answer:

eyes and skin eyes and skin
energy production in cells energy production in cells
antioxidant antioxidant
blood clotting blood clotting

If $\frac{a}{b} = \frac{2}{3}$, $\frac{b}{c} = \frac{4}{5}$, and $\frac{c}{d} = \frac{6}{7}$, find $\frac{a}{d}$

1 Mark(s)

Your Answer:

$\frac{12}{35}$ $\frac{12}{35}$
$\frac{14}{35}$ $\frac{14}{35}$
$\frac{15}{35}$ $\frac{15}{35}$
$\frac{16}{35}$ $\frac{16}{35}$

The specific resistance of iron is:

1 Mark(s)

Your Answer:

5.25 × 10-8 5.25 × 10-8
1.69 × 10-8 1.69 × 10-8
9.8 × 10-8 9.8 × 10-8
2.75 × 10-8 2.75 × 10-8

Coordination number in $\ce{[Fe(CN)6]^3-}$:

1 Mark(s)

Your Answer:

3 3
4 4
6 6
8 8

The law which indicates the relation’-hip between solubility of a gas in liquid and pressure rs

1 Mark(s)

Your Answer:

A) Raoult’s law A) Raoult’s law
B) Henry’s law B) Henry’s law
C) Lowering of vapour pressure C) Lowering of vapour pressure
D) Van’t Hoff law D) Van’t Hoff law

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

What limits infiltration in urban areas?

1 Mark(s)

Your Answer:

A) Rainfall A) Rainfall
B) Sandy soil B) Sandy soil
C) Open spaces C) Open spaces
D) Concrete surfaces D) Concrete surfaces

Evaluating Your Answers

ECAT Mock Test 10 : Question 1 of 55