General Science

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

Sample questions

Sample Easy question 1

Water is made of hydrogen and oxygen in the ratio of:

  1. 1 : 1
  2. 1 : 2
  3. 3 : 1
  4. 2 : 1 by atoms
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Answer: D. The formula H₂O has two hydrogen atoms and one oxygen atom.

Sample Easy question 2

The pH of an acid is:

  1. Less than 7
  2. Equal to 7
  3. More than 7
  4. Always 14
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Answer: A. Bases are above 7.

Sample Easy question 3

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

  1. Momentum
  2. Inertia
  3. Action and reaction
  4. Gravitation
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Answer: B. An object stays at rest or in uniform motion unless a force acts on it.

Sample Medium question 4

Which vitamin is produced in the human body upon exposure to sunlight?

  1. Vitamin A
  2. Vitamin K
  3. Vitamin D
  4. Vitamin C
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Answer: C. Vitamin D is synthesized in the skin upon exposure to sunlight.

Sample Medium question 5

The process by which plants prepare their own food using sunlight is called?

  1. Respiration
  2. Photosynthesis
  3. Digestion
  4. Transpiration
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Answer: B. Photosynthesis is the process by which plants make food using sunlight.

Sample Medium question 6

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.

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