General Science

JKSSB Junior Engineer (Mechanical) · 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 chemical symbol for gold?

  1. Ag
  2. Au
  3. Gd
  4. Fe
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Answer: B. Gold's chemical symbol, Au, comes from its Latin name 'aurum'.

Sample Easy question 2

Which organ in the human body is primarily responsible for filtering blood and producing urine?

  1. Liver
  2. Lungs
  3. Heart
  4. Kidney
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Answer: D. The kidneys filter waste from the blood to produce urine.

Sample Easy question 3

Which law states that for every action there is an equal and opposite reaction?

  1. Newton's Third Law
  2. Newton's Second Law
  3. Newton's First Law
  4. Law of Gravitation
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Answer: A. Newton's Third Law of Motion describes action-reaction force pairs.

Sample Medium question 4

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 5

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.

Sample Medium question 6

The SI unit of electric current is the:

  1. Watt
  2. Ampere
  3. Ohm
  4. Volt
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Answer: B. Current is the flow of charge.

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