General Science

Ladakh Prison Department · General Awareness & Science · 34 practice questions with answers and explanations: 22 Easy, 12 Medium, 0 Hard.

Sample questions

Sample Easy question 1

What is the process by which plants lose water vapor through their leaves called?

  1. Photosynthesis
  2. Respiration
  3. Osmosis
  4. Transpiration
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Answer: D. Transpiration is the loss of water vapor from plant leaves through stomata.

Sample Easy question 2

The chemical symbol of gold is:

  1. Au
  2. Ag
  3. Gd
  4. Go
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Answer: A. Au comes from the Latin word aurum.

Sample Easy question 3

Which gas is most abundant in Earth's atmosphere?

  1. Nitrogen
  2. Carbon dioxide
  3. Oxygen
  4. Hydrogen
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Answer: A. Nitrogen forms about 78% of air.

Sample Medium question 4

What is the SI unit of force?

  1. Newton
  2. Pascal
  3. Watt
  4. Joule
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Answer: A. Force is measured in newtons (N) in the International System of Units.

Sample Medium question 5

Which blood group is known as the universal donor?

  1. AB-positive
  2. O-negative
  3. A-positive
  4. B-negative
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Answer: B. O-negative blood lacks A, B and Rh antigens, making it safe for transfusion to most blood types.

Sample Medium question 6

Which part of a plant is primarily responsible for photosynthesis?

  1. Roots
  2. Flower
  3. Leaves
  4. Stem
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Answer: C. Leaves contain chlorophyll and are the primary site of photosynthesis.

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