General Science

LSSSSB Non-Technical · General Awareness & Science · 34 practice questions with answers and explanations: 22 Easy, 12 Medium, 0 Hard.

Sample questions

Sample Easy question 1

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 2

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 Easy question 3

The atomic number of carbon is:

  1. 6
  2. 8
  3. 12
  4. 14
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Answer: A. Carbon has six protons.

Sample Medium question 4

Photosynthesis takes place mainly in the:

  1. Nucleus
  2. Vacuole
  3. Chloroplast
  4. Mitochondria
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Answer: C. Chlorophyll in chloroplasts traps sunlight.

Sample Medium question 5

The hardest natural substance is:

  1. Quartz
  2. Iron
  3. Diamond
  4. Graphite
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Answer: C. It is a form of carbon with a rigid lattice.

Sample Medium question 6

Sound cannot travel through:

  1. Water
  2. Air
  3. A vacuum
  4. Steel
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Answer: C. Sound needs a medium to travel.

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