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Free MCQs with Answers | Military Brat Defence Academy

Q: The HCF of 18 and 24 is:

Correct Answer: B. 6. The greatest common factor is 6.

Q: The sum of the interior angles of a triangle is:

Correct Answer: B. 180°. Triangle angles sum to 180°.

Q: The ratio of two numbers is 6:4. If their sum is 80, the first number is:

Correct Answer: A. 48. Divide the total in the given ratio.

Q: Which gas is released during photosynthesis?

Correct Answer: B. Oxygen. Oxygen is released during photosynthesis.

Q: Which vitamin is synthesized in skin in sunlight?

Correct Answer: D. Vitamin D. Sunlight helps synthesize vitamin D.

Q: Which component carries oxygen in blood?

Correct Answer: B. Red blood cells. RBCs carry oxygen using hemoglobin.

Q: Water boils at normal atmospheric pressure at:

Correct Answer: B. 100°C. Water boils at 100°C at normal pressure.

Q: Rusting of iron requires oxygen and:

Correct Answer: B. Moisture. Rusting requires oxygen and moisture.

Q: Which decimal is equal to 3/5?

Correct Answer: C. 0.6. 3 divided by 5 equals 0.6.

Q: Simple interest on ₹1450 at 8% per year for 5 years is:

Correct Answer: B. ₹580. SI=P×R×T/100.

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QID #1146814 Agniveer Army GD 2027 Mock Test Series Agniveer Army GD Online Mock Test 19 Medium

The HCF of 18 and 24 is:

Correct Answer: B. 6
The greatest common factor is 6.

Question: The HCF of 18 and 24 is:

A. 3

B. 6

C. 9

D. 12

Correct Answer: B. 6Explanation: The greatest common factor is 6.

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QID #1146813 Agniveer Army GD 2027 Mock Test Series Agniveer Army GD Online Mock Test 19 Medium

The sum of the interior angles of a triangle is:

Correct Answer: B. 180°
Triangle angles sum to 180°.

Question: The sum of the interior angles of a triangle is:

A. 90°

B. 180°

C. 270°

D. 360°

Correct Answer: B. 180°Explanation: Triangle angles sum to 180°.

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QID #1146812 Agniveer Army GD 2027 Mock Test Series Agniveer Army GD Online Mock Test 19 Medium

The ratio of two numbers is 6:4. If their sum is 80, the first number is:

Correct Answer: A. 48
Divide the total in the given ratio.

Question: The ratio of two numbers is 6:4. If their sum is 80, the first number is:

A. 48

B. 32

C. 8

D. 80

Correct Answer: A. 48Explanation: Divide the total in the given ratio.

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QID #1146811 Agniveer Army GD 2027 Mock Test Series Agniveer Army GD Online Mock Test 19 Medium

Which gas is released during photosynthesis?

Correct Answer: B. Oxygen
Oxygen is released during photosynthesis.

Question: Which gas is released during photosynthesis?

A. Nitrogen

B. Oxygen

C. Hydrogen

D. Methane

Correct Answer: B. OxygenExplanation: Oxygen is released during photosynthesis.

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QID #1146810 Agniveer Army GD 2027 Mock Test Series Agniveer Army GD Online Mock Test 19 Medium

Which vitamin is synthesized in skin in sunlight?

Correct Answer: D. Vitamin D
Sunlight helps synthesize vitamin D.

Question: Which vitamin is synthesized in skin in sunlight?

A. Vitamin A

B. Vitamin B12

C. Vitamin C

D. Vitamin D

Correct Answer: D. Vitamin DExplanation: Sunlight helps synthesize vitamin D.

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QID #1146809 Agniveer Army GD 2027 Mock Test Series Agniveer Army GD Online Mock Test 19 Medium

Which component carries oxygen in blood?

Correct Answer: B. Red blood cells
RBCs carry oxygen using hemoglobin.

Question: Which component carries oxygen in blood?

A. Platelets

B. Red blood cells

C. White blood cells

D. Plasma only

Correct Answer: B. Red blood cellsExplanation: RBCs carry oxygen using hemoglobin.

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QID #1146808 Agniveer Army GD 2027 Mock Test Series Agniveer Army GD Online Mock Test 19 Medium

Water boils at normal atmospheric pressure at:

Correct Answer: B. 100°C
Water boils at 100°C at normal pressure.

Question: Water boils at normal atmospheric pressure at:

A. 90°C

B. 100°C

C. 110°C

D. 120°C

Correct Answer: B. 100°CExplanation: Water boils at 100°C at normal pressure.

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QID #1146807 Agniveer Army GD 2027 Mock Test Series Agniveer Army GD Online Mock Test 19 Medium

Rusting of iron requires oxygen and:

Correct Answer: B. Moisture
Rusting requires oxygen and moisture.

Question: Rusting of iron requires oxygen and:

A. Nitrogen

B. Moisture

C. Hydrogen

D. Carbon monoxide

Correct Answer: B. MoistureExplanation: Rusting requires oxygen and moisture.

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QID #1146806 Agniveer Army GD 2027 Mock Test Series Agniveer Army GD Online Mock Test 19 Medium

Which decimal is equal to 3/5?

Correct Answer: C. 0.6
3 divided by 5 equals 0.6.

Question: Which decimal is equal to 3/5?

A. 0.3

B. 0.5

C. 0.6

D. 0.8

Correct Answer: C. 0.6Explanation: 3 divided by 5 equals 0.6.

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QID #1146805 Agniveer Army GD 2027 Mock Test Series Agniveer Army GD Online Mock Test 19 Medium

Simple interest on ₹1450 at 8% per year for 5 years is:

Correct Answer: B. ₹580
SI=P×R×T/100.

Question: Simple interest on ₹1450 at 8% per year for 5 years is:

A. ₹290

B. ₹580

C. ₹588

D. ₹2030

Correct Answer: B. ₹580Explanation: SI=P×R×T/100.

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QID #1146804 Agniveer Army GD 2027 Mock Test Series Agniveer Army GD Online Mock Test 19 Medium

A rectangle has length 14 cm and breadth 9 cm. Its perimeter is:

Correct Answer: B. 46 cm
Perimeter = 2(l+b).

Question: A rectangle has length 14 cm and breadth 9 cm. Its perimeter is:

A. 126 cm

B. 46 cm

C. 23 cm

D. 252 cm

Correct Answer: B. 46 cmExplanation: Perimeter = 2(l+b).

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QID #1146803 Agniveer Army GD 2027 Mock Test Series Agniveer Army GD Online Mock Test 19 Medium

Which part of the brain controls balance and posture?

Correct Answer: B. Cerebellum
The cerebellum controls balance and posture.

Question: Which part of the brain controls balance and posture?

A. Cerebrum

B. Cerebellum

C. Medulla

D. Hypothalamus

Correct Answer: B. CerebellumExplanation: The cerebellum controls balance and posture.

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QID #1146802 Agniveer Army GD 2027 Mock Test Series Agniveer Army GD Online Mock Test 19 Medium

A device converting electrical energy into mechanical energy is:

Correct Answer: B. Motor
An electric motor converts electrical energy to mechanical energy.

Question: A device converting electrical energy into mechanical energy is:

A. Generator

B. Motor

C. Transformer

D. Rectifier

Correct Answer: B. MotorExplanation: An electric motor converts electrical energy to mechanical energy.

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QID #1146801 Agniveer Army GD 2027 Mock Test Series Agniveer Army GD Online Mock Test 19 Medium

Photosynthesis mainly occurs in:

Correct Answer: B. Chloroplast
Chloroplasts carry out photosynthesis.

Question: Photosynthesis mainly occurs in:

A. Mitochondria

B. Chloroplast

C. Nucleus

D. Lysosome

Correct Answer: B. ChloroplastExplanation: Chloroplasts carry out photosynthesis.

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QID #1146800 Agniveer Army GD 2027 Mock Test Series Agniveer Army GD Online Mock Test 19 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. Aluminium

D. Copper

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

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QID #1146799 Agniveer Army GD 2027 Mock Test Series Agniveer Army GD Online Mock Test 19 Medium

Speed is calculated as:

Correct Answer: B. Distance ÷ time
Speed equals distance divided by time.

Question: Speed is calculated as:

A. Time ÷ distance

B. Distance ÷ time

C. Distance × time

D. Mass ÷ time

Correct Answer: B. Distance ÷ timeExplanation: Speed equals distance divided by time.

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QID #1146798 Agniveer Army GD 2027 Mock Test Series Agniveer Army GD Online Mock Test 19 Medium

Which blood component is mainly responsible for clotting?

Correct Answer: C. Platelets
Platelets play a key role in clotting.

Question: Which blood component is mainly responsible for clotting?

A. RBCs

B. WBCs

C. Platelets

D. Plasma only

Correct Answer: C. PlateletsExplanation: Platelets play a key role in clotting.

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QID #1146797 Agniveer Army GD 2027 Mock Test Series Agniveer Army GD Online Mock Test 19 Medium

Area of a square of side 8 cm is:

Correct Answer: B. 64 cm²
Area = side².

Question: Area of a square of side 8 cm is:

A. 32 cm²

B. 64 cm²

C. 128 cm²

D. 16 cm²

Correct Answer: B. 64 cm²Explanation: Area = side².

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QID #1146796 Agniveer Army GD 2027 Mock Test Series Agniveer Army GD Online Mock Test 19 Medium

If 2x + 24 = 50, x equals:

Correct Answer: B. 13
Rearrange the equation and divide by 2.

Question: If 2x + 24 = 50, x equals:

A. 12

B. 13

C. 14

D. 15

Correct Answer: B. 13Explanation: Rearrange the equation and divide by 2.

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QID #1146795 Agniveer Army GD 2027 Mock Test Series Agniveer Army GD Online Mock Test 19 Medium

What is 15% of 580?

Correct Answer: B. 87
15% of 580 = 87.

Question: What is 15% of 580?

A. 43

B. 87

C. 97

D. 493

Correct Answer: B. 87Explanation: 15% of 580 = 87.

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