Free MCQs with Answers | Military Brat Defence Academy

Q: Which is the largest desert in India?

Correct Answer: A. Thar Desert. The Thar Desert is India's largest desert.

Q: The capital of Arunachal Pradesh is:

Correct Answer: B. Itanagar. Itanagar is the capital of Arunachal Pradesh.

Q: The Green Revolution in India mainly increased production of:

Correct Answer: B. Wheat and rice. It mainly boosted wheat and rice production.

Q: The Union, State and Concurrent Lists are in which Schedule?

Correct Answer: C. Seventh. The Seventh Schedule contains these lists.

Q: Highly reactive metals are commonly extracted using:

Correct Answer: A. electrolysis. Electrolysis is used for highly reactive metals.

Q: Electrolysis uses electric current to drive a:

Correct Answer: B. chemical change. Electrolysis drives a chemical reaction using electrical energy.

Q: An electrochemical cell converts chemical energy into:

Correct Answer: B. electrical energy. An electrochemical cell produces electrical energy from chemical reactions.

Q: The functional group in alcohols is:

Correct Answer: B. -OH. Alcohols contain the hydroxyl (-OH) group.

Q: The simplest hydrocarbon is:

Correct Answer: A. methane. Methane, CH4, is the simplest hydrocarbon.

Q: Rusting of iron requires oxygen and:

Correct Answer: B. moisture. Rusting needs oxygen and moisture.

QID #1145247 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 29 Medium

Which is the largest desert in India?

Correct Answer: A. Thar Desert
The Thar Desert is India's largest desert.

Question: Which is the largest desert in India?

A. Thar Desert

B. Rann of Kutch

C. Ladakh Desert

D. Spiti Desert

Correct Answer: A. Thar DesertExplanation: The Thar Desert is India's largest desert.

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QID #1145246 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 29 Medium

The capital of Arunachal Pradesh is:

Correct Answer: B. Itanagar
Itanagar is the capital of Arunachal Pradesh.

Question: The capital of Arunachal Pradesh is:

A. Dispur

B. Itanagar

C. Kohima

D. Gangtok

Correct Answer: B. ItanagarExplanation: Itanagar is the capital of Arunachal Pradesh.

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QID #1145245 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 29 Medium

The Green Revolution in India mainly increased production of:

Correct Answer: B. Wheat and rice
It mainly boosted wheat and rice production.

Question: The Green Revolution in India mainly increased production of:

A. Tea and coffee

B. Wheat and rice

C. Cotton and jute

D. Pulses only

Correct Answer: B. Wheat and riceExplanation: It mainly boosted wheat and rice production.

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QID #1145244 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 29 Medium

The Union, State and Concurrent Lists are in which Schedule?

Correct Answer: C. Seventh
The Seventh Schedule contains these lists.

Question: The Union, State and Concurrent Lists are in which Schedule?

A. Fifth

B. Sixth

C. Seventh

D. Eighth

Correct Answer: C. SeventhExplanation: The Seventh Schedule contains these lists.

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QID #1145243 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 28 Medium

Highly reactive metals are commonly extracted using:

Correct Answer: A. electrolysis
Electrolysis is used for highly reactive metals.

Question: Highly reactive metals are commonly extracted using:

A. electrolysis

B. simple filtration

C. sedimentation

D. evaporation only

Correct Answer: A. electrolysisExplanation: Electrolysis is used for highly reactive metals.

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QID #1145242 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 28 Medium

Electrolysis uses electric current to drive a:

Correct Answer: B. chemical change
Electrolysis drives a chemical reaction using electrical energy.

Question: Electrolysis uses electric current to drive a:

A. spontaneous mechanical process

B. chemical change

C. nuclear change

D. gravitational change

Correct Answer: B. chemical changeExplanation: Electrolysis drives a chemical reaction using electrical energy.

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QID #1145241 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 28 Medium

An electrochemical cell converts chemical energy into:

Correct Answer: B. electrical energy
An electrochemical cell produces electrical energy from chemical reactions.

Question: An electrochemical cell converts chemical energy into:

A. nuclear energy

B. electrical energy

C. sound only

D. mass

Correct Answer: B. electrical energyExplanation: An electrochemical cell produces electrical energy from chemical reactions.

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QID #1145240 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 28 Medium

The functional group in alcohols is:

Correct Answer: B. -OH
Alcohols contain the hydroxyl (-OH) group.

Question: The functional group in alcohols is:

A. -COOH

B. -OH

C. -CHO

D. -NH2

Correct Answer: B. -OHExplanation: Alcohols contain the hydroxyl (-OH) group.

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QID #1145239 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 28 Medium

The simplest hydrocarbon is:

Correct Answer: A. methane
Methane, CH4, is the simplest hydrocarbon.

Question: The simplest hydrocarbon is:

A. methane

B. ethane

C. ethene

D. benzene

Correct Answer: A. methaneExplanation: Methane, CH4, is the simplest hydrocarbon.

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QID #1145238 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 28 Medium

Rusting of iron requires oxygen and:

Correct Answer: B. moisture
Rusting needs oxygen and moisture.

Question: Rusting of iron requires oxygen and:

A. nitrogen

B. moisture

C. hydrogen

D. carbon dioxide only

Correct Answer: B. moistureExplanation: Rusting needs oxygen and moisture.

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QID #1145237 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 28 Medium

Which metal is liquid at room temperature?

Correct Answer: B. Mercury
Mercury is liquid at room temperature.

Question: Which metal is liquid at room temperature?

A. Iron

B. Mercury

C. Copper

D. Aluminium

Correct Answer: B. MercuryExplanation: Mercury is liquid at room temperature.

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QID #1145236 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 28 Medium

An atom has atomic number 10. Its number of protons is:

Correct Answer: A. 10
Atomic number equals the number of protons.

Question: An atom has atomic number 10. Its number of protons is:

A. 10

B. 11

C. 9

D. 16

Correct Answer: A. 10Explanation: Atomic number equals the number of protons.

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QID #1145235 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 28 Medium

A solution has pH 2. It is:

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

Question: A solution has pH 2. 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 #1145234 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 28 Medium

An element X has valency 1. 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 1. 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 #1145233 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 28 Medium

The region around a magnet where magnetic effect is experienced is called:

Correct Answer: B. magnetic field
It is the magnetic field.

Question: The region around a magnet where magnetic effect is experienced is called:

A. electric field

B. magnetic field

C. gravitational field

D. thermal field

Correct Answer: B. magnetic fieldExplanation: It is the magnetic field.

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QID #1145232 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 28 Medium

Electrical resistance is measured in:

Correct Answer: B. Ohm
Resistance is measured in ohms.

Question: Electrical resistance is measured in:

A. Ampere

B. Ohm

C. Volt

D. Watt

Correct Answer: B. OhmExplanation: Resistance is measured in ohms.

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QID #1145231 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 28 Medium

A sample has mass 480 g and volume 80 cm³. Density is:

Correct Answer: A. 6 g/cm³
Density = mass/volume.

Question: A sample has mass 480 g and volume 80 cm³. Density is:

A. 6 g/cm³

B. 38400 g/cm³

C. 0.166667 g/cm³

D. 560 g/cm³

Correct Answer: A. 6 g/cm³Explanation: Density = mass/volume.

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QID #1145230 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 28 Medium

A wave has frequency 50 Hz and wavelength 3 m. Its speed is:

Correct Answer: A. 150 m/s
Wave speed v=fλ.

Question: A wave has frequency 50 Hz and wavelength 3 m. Its speed is:

A. 150 m/s

B. 16.6667 m/s

C. 53 m/s

D. 0.06 m/s

Correct Answer: A. 150 m/sExplanation: Wave speed v=fλ.

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QID #1145229 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 28 Medium

A current of 2 A flows through a resistance of 6 Ω. The voltage is:

Correct Answer: A. 12 V
Ohm's law: V = IR.

Question: A current of 2 A flows through a resistance of 6 Ω. The voltage is:

A. 12 V

B. 8 V

C. 3 V

D. 0.333333 V

Correct Answer: A. 12 VExplanation: Ohm's law: V = IR.

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QID #1145228 Agniveer Army Technical 2027 Mock Test Series Agniveer Army Technical Online Mock Test 28 Medium

A force of 66 N moves an object 2 m in the force direction. Work done is:

Correct Answer: A. 132 J
Work = force × displacement.

Question: A force of 66 N moves an object 2 m in the force direction. Work done is:

A. 132 J

B. 68 J

C. 33 J

D. 264 J

Correct Answer: A. 132 JExplanation: Work = force × displacement.

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Free MCQs with Answers | Military Brat Defence Academy

Which is the largest desert in India?

The capital of Arunachal Pradesh is:

The Green Revolution in India mainly increased production of:

The Union, State and Concurrent Lists are in which Schedule?

Highly reactive metals are commonly extracted using:

Electrolysis uses electric current to drive a:

An electrochemical cell converts chemical energy into:

The functional group in alcohols is:

The simplest hydrocarbon is:

Rusting of iron requires oxygen and:

Which metal is liquid at room temperature?

An atom has atomic number 10. Its number of protons is:

A solution has pH 2. It is:

An element X has valency 1. If oxygen has valency 2, which statement is useful while writing the simplest oxide formula?

The region around a magnet where magnetic effect is experienced is called:

Electrical resistance is measured in:

A sample has mass 480 g and volume 80 cm³. Density is:

A wave has frequency 50 Hz and wavelength 3 m. Its speed is:

A current of 2 A flows through a resistance of 6 Ω. The voltage is:

A force of 66 N moves an object 2 m in the force direction. Work done is:

Free MCQs with Answers and Explanations