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Free MCQs with Answers | Military Brat Defence Academy

Q: The Air Force Academy is located at:

Correct Answer: A. Dundigal. Air Force Academy is at Dundigal near Hyderabad.

Q: The Indian Naval Academy is located at:

Correct Answer: A. Ezhimala. The Indian Naval Academy is at Ezhimala, Kerala.

Q: Matter is anything that has:

Correct Answer: B. mass and occupies space. Matter has mass and occupies space.

Q: Ethanoic acid belongs to which class?

Correct Answer: B. carboxylic acids. Ethanoic acid is a carboxylic acid.

Q: Which property is typical of metals?

Correct Answer: B. good electrical conductivity. Metals are generally good electrical conductors.

Q: An element with a completely filled outer shell is generally:

Correct Answer: B. chemically stable. A filled valence shell generally gives stability.

Q: The change from gas to liquid is called:

Correct Answer: A. condensation. Gas changes to liquid by condensation.

Q: The change from solid directly to gas is called:

Correct Answer: B. sublimation. Direct solid-to-gas change is sublimation.

Q: A fuel with higher calorific value releases:

Correct Answer: B. more heat per unit mass. Calorific value measures heat released per unit fuel.

Q: An atom has atomic number 11. Its number of protons is:

Correct Answer: A. 11. Atomic number equals the number of protons.

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QID #1144627 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

The Air Force Academy is located at:

Correct Answer: A. Dundigal
Air Force Academy is at Dundigal near Hyderabad.

Question: The Air Force Academy is located at:

A. Dundigal

B. Ambala

C. Jodhpur

D. Gwalior

Correct Answer: A. DundigalExplanation: Air Force Academy is at Dundigal near Hyderabad.

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QID #1144626 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 14 Medium

The Indian Naval Academy is located at:

Correct Answer: A. Ezhimala
The Indian Naval Academy is at Ezhimala, Kerala.

Question: The Indian Naval Academy is located at:

A. Ezhimala

B. Khadakwasla

C. Wellington

D. Secunderabad

Correct Answer: A. EzhimalaExplanation: The Indian Naval Academy is at Ezhimala, Kerala.

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QID #1144625 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 13 Medium

Matter is anything that has:

Correct Answer: B. mass and occupies space
Matter has mass and occupies space.

Question: Matter is anything that has:

A. only colour

B. mass and occupies space

C. only volume

D. only energy

Correct Answer: B. mass and occupies spaceExplanation: Matter has mass and occupies space.

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QID #1144624 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 13 Medium

Ethanoic acid belongs to which class?

Correct Answer: B. carboxylic acids
Ethanoic acid is a carboxylic acid.

Question: Ethanoic acid belongs to which class?

A. alcohols

B. carboxylic acids

C. alkanes

D. amines

Correct Answer: B. carboxylic acidsExplanation: Ethanoic acid is a carboxylic acid.

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QID #1144623 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 13 Medium

Which property is typical of metals?

Correct Answer: B. good electrical conductivity
Metals are generally good electrical conductors.

Question: Which property is typical of metals?

A. poor electrical conductivity

B. good electrical conductivity

C. brittleness in all cases

D. no lustre

Correct Answer: B. good electrical conductivityExplanation: Metals are generally good electrical conductors.

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QID #1144622 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 13 Medium

An element with a completely filled outer shell is generally:

Correct Answer: B. chemically stable
A filled valence shell generally gives stability.

Question: An element with a completely filled outer shell is generally:

A. highly reactive

B. chemically stable

C. always metallic

D. always radioactive

Correct Answer: B. chemically stableExplanation: A filled valence shell generally gives stability.

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QID #1144621 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 13 Medium

The change from gas to liquid is called:

Correct Answer: A. condensation
Gas changes to liquid by condensation.

Question: The change from gas to liquid is called:

A. condensation

B. evaporation

C. sublimation

D. fusion

Correct Answer: A. condensationExplanation: Gas changes to liquid by condensation.

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QID #1144620 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 13 Medium

The change from solid directly to gas is called:

Correct Answer: B. sublimation
Direct solid-to-gas change is sublimation.

Question: The change from solid directly to gas is called:

A. melting

B. sublimation

C. condensation

D. freezing

Correct Answer: B. sublimationExplanation: Direct solid-to-gas change is sublimation.

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QID #1144619 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 13 Medium

A fuel with higher calorific value releases:

Correct Answer: B. more heat per unit mass
Calorific value measures heat released per unit fuel.

Question: A fuel with higher calorific value releases:

A. less heat per unit mass

B. more heat per unit mass

C. no heat

D. only light

Correct Answer: B. more heat per unit massExplanation: Calorific value measures heat released per unit fuel.

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QID #1144618 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 13 Medium

An atom has atomic number 11. Its number of protons is:

Correct Answer: A. 11
Atomic number equals the number of protons.

Question: An atom has atomic number 11. Its number of protons is:

A. 11

B. 12

C. 10

D. 17

Correct Answer: A. 11Explanation: Atomic number equals the number of protons.

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QID #1144617 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 13 Medium

A solution has pH 3. It is:

Correct Answer: A. acidic
A pH below 7 indicates an acidic solution.

Question: A solution has pH 3. It is:

A. acidic

B. basic

C. neutral

D. metallic

Correct Answer: A. acidicExplanation: A pH below 7 indicates an acidic solution.

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QID #1144616 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 13 Medium

An element X has valency 2. If oxygen has valency 2, which statement is useful while writing the simplest oxide formula?

Correct Answer: A. Criss-cross the valencies and simplify the ratio
The criss-cross method uses valencies to obtain the simplest combining ratio.

Question: An element X has valency 2. If oxygen has valency 2, which statement is useful while writing the simplest oxide formula?

A. Criss-cross the valencies and simplify the ratio

B. Add the valencies only

C. Ignore oxygen's valency

D. Use atomic masses instead

Correct Answer: A. Criss-cross the valencies and simplify the ratioExplanation: The criss-cross method uses valencies to obtain the simplest combining ratio.

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QID #1144615 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 13 Medium

Newton's first law is also called the law of:

Correct Answer: B. Inertia
Newton's first law describes inertia.

Question: Newton's first law is also called the law of:

A. Momentum

B. Inertia

C. Energy

D. Pressure

Correct Answer: B. InertiaExplanation: Newton's first law describes inertia.

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QID #1144614 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 13 Medium

Acceleration is the rate of change of:

Correct Answer: B. Velocity
Acceleration is change of velocity per unit time.

Question: Acceleration is the rate of change of:

A. Distance

B. Velocity

C. Mass

D. Force

Correct Answer: B. VelocityExplanation: Acceleration is change of velocity per unit time.

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QID #1144613 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 13 Medium

The SI unit of work is:

Correct Answer: B. Joule
Work is measured in joules.

Question: The SI unit of work is:

A. Newton

B. Joule

C. Watt

D. Pascal

Correct Answer: B. JouleExplanation: Work is measured in joules.

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QID #1144612 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 13 Medium

A sample has mass 330 g and volume 80 cm³. Density is:

Correct Answer: A. 4.125 g/cm³
Density = mass/volume.

Question: A sample has mass 330 g and volume 80 cm³. Density is:

A. 4.125 g/cm³

B. 26400 g/cm³

C. 0.242424 g/cm³

D. 410 g/cm³

Correct Answer: A. 4.125 g/cm³Explanation: Density = mass/volume.

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QID #1144611 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 13 Medium

A wave has frequency 55 Hz and wavelength 3 m. Its speed is:

Correct Answer: A. 165 m/s
Wave speed v=fλ.

Question: A wave has frequency 55 Hz and wavelength 3 m. Its speed is:

A. 165 m/s

B. 18.3333 m/s

C. 58 m/s

D. 0.0545455 m/s

Correct Answer: A. 165 m/sExplanation: Wave speed v=fλ.

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QID #1144610 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 13 Medium

A current of 3 A flows through a resistance of 6 Ω. The voltage is:

Correct Answer: A. 18 V
Ohm's law: V = IR.

Question: A current of 3 A flows through a resistance of 6 Ω. The voltage is:

A. 18 V

B. 9 V

C. 2 V

D. 0.5 V

Correct Answer: A. 18 VExplanation: Ohm's law: V = IR.

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QID #1144609 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 13 Medium

A 5 kg body moves at 5 m/s. Its kinetic energy is:

Correct Answer: A. 62.5 J
KE = 1/2 mv².

Question: A 5 kg body moves at 5 m/s. Its kinetic energy is:

A. 62.5 J

B. 25 J

C. 125 J

D. 12.5 J

Correct Answer: A. 62.5 JExplanation: KE = 1/2 mv².

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QID #1144608 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 13 Medium

A force of 36 N moves an object 3 m in the force direction. Work done is:

Correct Answer: A. 108 J
Work = force × displacement.

Question: A force of 36 N moves an object 3 m in the force direction. Work done is:

A. 108 J

B. 39 J

C. 12 J

D. 216 J

Correct Answer: A. 108 JExplanation: Work = force × displacement.

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