ECAT Mock Test 11 - Online MCQ Exam

The compound or complex ion which has a ring in its structure__________________?

1 Mark(s)

Your Answer:

polydentate ligand polydentate ligand
chelate chelate
monodentate ligand monodentate ligand
hydrate hydrate

What is $11 \times 11$?

1 Mark(s)

Your Answer:

110 110
121 121
132 132
100 100

Which of the following is used as a catalyst in hydrogenation reaction?

1 Mark(s)

Your Answer:

Ni Ni
Pd Pd
Pt Pt
all of above all of above

(a – 3b) (2a + 6b) = _______

1 Mark(s)

Your Answer:

A) 2a 2 – 18b 2 A) 2a 2 – 18b 2
B) a 2 – 9b 2 B) a 2 – 9b 2
C) 2a 2 – 9b 2 C) 2a 2 – 9b 2
D) a 2 – 18b 2 D) a 2 – 18b 2

Antonym of BLUSTER is: __________?

1 Mark(s)

Your Answer:

Bravado Bravado
Boast Boast
Confidence Confidence
Meekness Meekness

The PH of the 0.0032 M H2SO4 is__________?

1 Mark(s)

Your Answer:

3.2 3.2
4.0 4.0
2.198 2.198
1.0 1.0

A gardener increases the area of his rectangular garden by increasing its length by 40% and decreasing by 20%. The area of the new garden?

1 Mark(s)

Your Answer:

Has increase by 20% Has increase by 20%
Has increase by 12% Has increase by 12%
Has increase b 8% Has increase b 8%
Is exactly the same as the old area Is exactly the same as the old area

1 + cot²θ equals to:

1 Mark(s)

Your Answer:

sec²θ sec²θ
sin²θ sin²θ
cosec²θ cosec²θ
cos²θ cos²θ

The value of 104 2 is

1 Mark(s)

Your Answer:

A) 11236 A) 11236
B) 11086 B) 11086
C) 10186 C) 10186
D) 10816 D) 10816

When we excite some atoms by heat collision or electrical discharge they will________________?

1 Mark(s)

Your Answer:

radiate electromagnetic energy with a continuous distribution of wavelength
absorb particular wavelengths when white light is incident on them
radiate electromagnetic energy of discrete characteristic wavelength
emit either invisible or visible light emit either invisible or visible light

Any component of plant or animal tissue that is insoluble in water but soluble in solvents of low polarity is called:

1 Mark(s)

Your Answer:

protein protein
lipid lipid
carbohydrate carbohydrate
vitamin vitamin

How much energy is provided by 1g of glucose?

1 Mark(s)

Your Answer:

15.6 KJ 15.6 KJ
16.8 KJ 16.8 KJ
20 KJ 20 KJ
1.2 KJ 1.2 KJ

To deflect electrons to desired positions on the screen of a television tube, we use:

1 Mark(s)

Your Answer:

circuit breaker circuit breaker
electric current electric current
electromagnets electromagnets
fuse fuse

What is the self-inductance of a coil in which an induced emf of 2V is set up when the current changes at the rate of 4 As-1 ?

1 Mark(s)

Your Answer:

0.5 mH 0.5 mH
0.5H 0.5H
2.0H 2.0H
8.0H 8.0H

Which is a natural magnet?

1 Mark(s)

Your Answer:

A) Lodestone A) Lodestone
B) Nickel B) Nickel
C) Iron C) Iron
D) Copper D) Copper

Cub is related to Tiger in the same way as Fawn is related to?

1 Mark(s)

Your Answer:

Stag Stag
Monkey Monkey
Ass Ass
Sheep Sheep

Nuclei which do not emit radiations naturally are called:

1 Mark(s)

Your Answer:

unstable nuclei unstable nuclei
stable nuclei stable nuclei
positive nuclei positive nuclei
negative nuclei negative nuclei

The ratio of the prices of three different types of cars is 4:5:7. If the difference between the costliest and the cheapest cars is Rs. 60000 the price of the car of modest price is:

1 Mark(s)

Your Answer:

Rs. 80000 Rs. 80000
Rs. 100000 Rs. 100000
Rs. 140000 Rs. 140000
Rs. 120000 Rs. 120000

If the diameter of a truck wheel is 0.65m and truck is travelling at 40km⁄h then the number of revolutions per minute made by truck wheel is:

1 Mark(s)

Your Answer:

3223 3223
5223 5223
6223 6223
8500 8500

Mark the wrong statement about denaturation of proteins

1 Mark(s)

Your Answer:

A) The primary structure of the protein does not change
B) Globular proteins are converted into fibrous proteins
C) Fibrous proteins are converted into globular proteins
D) The biological activity of the protein is destroyed

Consider the binary operation * on Q defind by a * b = a + 12b + ab for a, b ∈ Q. Find 2 * $\frac{1}{3}$

1 Mark(s)

Your Answer:

A) $\frac{20}{3}$ A) $\frac{20}{3}$
B) 4 B) 4
C) 18 C) 18
D) $\frac{16}{3}$ (\frac{20}{3}\) D) $\frac{16}{3}$ (\frac{20}{3}\)

The one-word substitution for “The breaking of an image” is:

1 Mark(s)

Your Answer:

Iconoclast Iconoclast
Iconography Iconography
Iconolater Iconolater
Iconoclasm Iconoclasm

What is established when the rate of evaporation equals the rate of condensation?

1 Mark(s)

Your Answer:

equality equality
equilibrium equilibrium
reversible reaction reversible reaction
irreversible reaction irreversible reaction

The decision did not appear to “hold out” bright prospects.

1 Mark(s)

Your Answer:

highlight highlight
show show
offer offer
promise promise

Which of the following is not a unit digit of a square number?

1 Mark(s)

Your Answer:

A) 0 A) 0
B) 4 B) 4
C) 6 C) 6
D) 8 D) 8

If 12 members family spend Rs. 850 in 10 days. Then a family of 8 people will spend Rs. 340 in how many days.

1 Mark(s)

Your Answer:

8 8
7 7
6 6
5 5

The sun ___ in the east.

1 Mark(s)

Your Answer:

rise rise
rises rises
rising rising
rose rose

After 38 liters of petrol were poured into the tank, it was still 5% empty. How much petrol must be poured into the tank in order to fill it?

1 Mark(s)

Your Answer:

38 liters 38 liters
40 liters 40 liters
38.5 liters 38.5 liters
2 liters 2 liters

Detect analogy : Alberta : Ontario : Quebec

1 Mark(s)

Your Answer:

These are cities on rivers. These are cities on rivers.
These are tourist places. These are tourist places.
These are Canadian state. These are Canadian state.
These have fine harbours. These have fine harbours.

If a person sitting on a rotating chair stretches his arms, the angular speed:

1 Mark(s)

Your Answer:

Increases Increases
Decreases Decreases
Remains same Remains same
Becomes zero Becomes zero

Which of the following materials is the most elastic?

1 Mark(s)

Your Answer:

Rubber Rubber
Copper Copper
Steel Steel
Wood Wood

The amount of heat required to raise the temperature of 1 kg mass of that substance through 1K is called its:

1 Mark(s)

Your Answer:

specific energy specific energy
specific heat specific heat
specific stress specific stress
specific density specific density

INEBRIATE

1 Mark(s)

Your Answer:

Dreamy Dreamy
Stupefied Stupefied
Unsteady Unsteady
Drunken Drunken

Amino acids present in cheese___________________?

1 Mark(s)

Your Answer:

lysine lysine
alanine alanine
tyrosine tyrosine
proline proline

(√2 +1 / √2) 2 is equal to :

1 Mark(s)

Your Answer:

A) 4√2 A) 4√2
B) $\frac{9}{2}$ B) $\frac{9}{2}$
C) 4/√2 C) 4/√2
D) 9 (\frac{9}{2}\) D) 9 (\frac{9}{2}\)

Temporary hardness can be removed by adding:

1 Mark(s)

Your Answer:

lime lime
carbon carbon
oxygen oxygen
slaked lime slaked lime

An act of speaking one's thoughts aloud when by oneself or regardless of any hearers, especially by a character in a play:

1 Mark(s)

Your Answer:

Sinecure Sinecure
Soliloquy Soliloquy
Pessimist Pessimist
Philanthropist Philanthropist

If the three-fifth of a number is equal to 70% of another number, what is the ratio between the first number and second number?

1 Mark(s)

Your Answer:

6 : 7 6 : 7
7 : 6 7 : 6
3 : 4 3 : 4
4 : 3 4 : 3

Preparation of vegetable ghee involves_________________?

1 Mark(s)

Your Answer:

halogenation halogenation
hydroxylation hydroxylation
hydrogenation hydrogenation
hydration hydration

Synonym of “comely” is _________?

1 Mark(s)

Your Answer:

peaceful peaceful
attractive attractive
fun loving fun loving
modest modest

27 drops of mercury of same potential $V$ coalesce to form a big drop. The potential of the big drop is:

1 Mark(s)

Your Answer:

3V 3V
27V 27V
9V 9V
V/3 V/3

Rehman mixed 24 kg of butter at Rs. 150 per kg with 36 kg butter at the rate of Rs. 125 per kg. At what price per kg should he sell the mixture to make a profit of 40% in the transaction?

1 Mark(s)

Your Answer:

Rs. 135 Rs. 135
Rs. 162 Rs. 162
Rs. 189 Rs. 189
Rs. 198 Rs. 198
None of these None of these

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ECAT Mock Test 11 : Question 1 of 42