# CDS MCQ

• 17th Apr, 2021

We have listed here the best CDS MCQ Questions for the best preparation of CDS (Combined Defence Services). This CDS Mock Test contains 50 best multiple-choice questions. You have to select the right answer to every question.

## CDS Mock Test

• A. 27.5%
• B.33.5%
• C.35%
• D.37.5%

• A. 115
• B.120
• C.125
• D.130

• A. 33
• B.35
• C.34
• D.32

• A. 33
• B.25
• C.27
• D.32

• A. 72 days
• B.77 days
• C.81 days
• D.79 days

• A. 4 km
• B.5 km
• C.6 km
• D.8 km

• A. 21
• B.25
• C.28
• D.29

• A. 21 cm
• B.26 cm
• C.28 cm
• D.29 cm

• A. P and R
• B.Q and R
• C.P and Q
• D.P, Q and R

• A. 220
• B.210
• C.215
• D.230

• A. Force
• B.Pressure
• C.Tension
• D.Energy

• A. 1°C
• B.3°C
• C.4°C
• D.6°C

### 13) Who gave the first evidence of the big-bang theory?

• A. Edwin Hubble
• B.Albert Einstein
• C.S Chandrasekhar
• D.Stephen Hawking

### 14) If ice floating on water in a vessel melts, the water level in the vessel _______.

• A. Increases
• B.Decreases
• C.First increases before decreasing
• D.Does not change

### 15) Newton's first law is also known as _______.

• A. Law of Inertia
• B.Law of momentum
• C.Law of force
• D.Law of Action and Reaction

### 16) Rate of change of momentum is called _____.

• A. Inertia
• B.Linear Momentum
• C.Force
• D.Friction

### 17) The poisonous gas accidentally released in Bhopal Gas Tragedy is _____.

• A. Methane
• B.Nitrous Oxide
• C.Methyl Isocyanate
• D.Sulphur di Oxide

### 18) Rusting is _____.

• A. Electrolysis
• B.Reduction
• C.Oxidation
• D.Redox

### 19) The common name of sodium bicarbonate is _____.

• A. Baking soda
• B.Caustic soda
• C.Bleach
• D.Borax

### 20) German silver is an alloy of ________.

• A. copper, silver and gold
• B.copper, zinc and silver
• C.copper, zinc and nickel
• D.copper and nickel

### 21) Which one of the following is involved for desalination of sea water?

• A. Simple osmosis
• B.Reverse osmosis
• C.Both A and B
• D.None of the above

### 22) The purest form of iron is _______.

• A. Cast iron
• B.Pig iron
• C.Wrought iron
• D.Steel

### 23) The Scientist known as father of genetics is _______.

• A. Johnson
• B.Morgan
• C.G.J. Mendel
• D.F.B. Morrison

### 24) When ants bite, they inject _______.

• A. Acetic acid
• B.Methanol
• C.Stearic acid
• D.Formic acid

• A. Root
• B.Bark
• C.Seed
• D.Flower

### 26) Which of the following words is the most similar in meaning to the word KINDLE.

• A. Kind-hearted
• B.Very kind
• C.Excite
• D.None of the above

### 27) The mounting pressure was so overwhelming that he ultimately ________ to her wish.

• A. yielded in
• B.gave in
• C.cowed in
• D.agreed in

### 28) The police accused him "for" theft. Choose the better substitution for the " " part.

• A. of
• B.in
• C.with
• D.No improvement

### 29) Which of the following words is the most similar in meaning to the word AMBIGUOUS.

• A. Contrasting
• B.Connivance
• C.Vague
• D.Willful

### 30) Which part of the sentence given has an error? We looked after the thief /(a) but he was nowhere /(b) to be found. /(c) No error /(d)

• A. (a)
• B.(b)
• C.(c)
• D.(d)

Valid name is required.

Valid name is required.

Valid email id is required.

01st
Feb

01st
Feb

01st
Feb

01st
May

01st
Feb