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FPSC MCQs

Federal Public Service Commission — Complete MCQ Bank

269 Questions
Exam Preparation Guide

How to prepare for FPSC

FPSC recruitment tests assess subject knowledge, general ability and job-related competence for federal government positions across Pakistan.

General KnowledgeCurrent AffairsEnglishJob-related Subjects
Read the official syllabus first, then combine subject-specific revision with timed mixed-question practice.
FPSC preparation illustration
1

Which famous experiment proved that the Earth orbits the Sun rather than the Sun orbiting the Earth?

  • AGalileo's telescope observations
  • BNewton's apple experiment
  • CFoucault pendulum demonstration
  • DCopernicus's naked eye observations
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Correct Answer: Option A — Galileo's telescope observations
Explanation: Galileo's telescope observations in 1610 of Jupiter's moons and Venus's phases provided key evidence supporting the heliocentric model that Earth orbits the Sun.
Submitted by: PaperMCQs
2

Which phenomenon explains why sound travels faster in warm air than in cold air?

  • AWarm air molecules have less energy
  • BWarm air molecules move faster providing quicker transmission
  • CCold air is denser blocking sound
  • DSound speed is unaffected by temperature
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Correct Answer: Option B — Warm air molecules move faster providing quicker transmission
Explanation: In warmer air molecules have more kinetic energy and move faster which allows sound waves to be transmitted more quickly giving sound a higher speed in warm compared to cold air.
Submitted by: PaperMCQs
3

Which natural phenomenon occurs when the Earth's crust suddenly releases energy causing ground shaking?

  • AEarthquake
  • BVolcanic eruption
  • CTsunami
  • DCyclone
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Correct Answer: Option A — Earthquake
Explanation: An earthquake occurs when energy stored in the Earth's crust is suddenly released along fault lines causing seismic waves that make the ground shake and can cause widespread damage.
Submitted by: PaperMCQs
4

Which phenomenon explains why the handles of pots and pans are made from plastic or wood rather than metal?

  • AMetal is too heavy
  • BPlastic handles are magnetic
  • CPlastic and wood are poor heat conductors preventing burns
  • DWood handles look better
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Correct Answer: Option C — Plastic and wood are poor heat conductors preventing burns
Explanation: Plastic and wood are poor conductors of heat meaning little heat transfers from the hot pot or pan to the handle preventing burns when cooking at high temperatures.
Submitted by: PaperMCQs
5

Which common observation explains why sound seems louder when heard through walls compared to open air over long distances?

  • ASound is louder in air
  • BSolids conduct sound more efficiently than air
  • CWalls amplify all frequencies
  • DAir absorbs sound more than solids
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Correct Answer: Option B — Solids conduct sound more efficiently than air
Explanation: Sound travels more efficiently through solid materials like walls because the denser medium provides better particle-to-particle contact for transmitting sound waves with less energy loss.
Submitted by: PaperMCQs
6

Which scientific instrument is used to measure very small distances such as the diameter of a wire or thickness of a sheet?

  • ARuler
  • BBarometer
  • CAmmeter
  • DVernier calliper
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Correct Answer: Option D — Vernier calliper
Explanation: A Vernier calliper is a precision measuring instrument used to measure small distances such as the diameter of a wire or the thickness of a sheet with high accuracy.
Submitted by: PaperMCQs
7

Which common safety device in electrical circuits breaks the circuit when current exceeds a safe limit to prevent fires?

  • ASwitch
  • BFuse
  • CResistor
  • DCapacitor
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Correct Answer: Option B — Fuse
Explanation: A fuse is a safety device containing a thin wire that melts and breaks the circuit if current exceeds a safe limit protecting appliances and wiring from fire risk.
Submitted by: PaperMCQs
8

Which photoreceptor cells in the eye are responsible for vision in dim light and cannot distinguish colours?

  • ACone cells
  • BGanglion cells
  • CBipolar cells
  • DRod cells
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Correct Answer: Option D — Rod cells
Explanation: Rod cells are the photoreceptors in the retina specialised for detecting light in dim conditions allowing vision in low light but they cannot distinguish between colours.
Submitted by: PaperMCQs
9

Which photoreceptor cells in the eye are responsible for colour vision and function best in bright light?

  • ACone cells
  • BRod cells
  • CGanglion cells
  • DBipolar cells
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Correct Answer: Option A — Cone cells
Explanation: Cone cells are the photoreceptors in the retina responsible for colour vision and sharp detail and they function best under bright lighting conditions unlike rod cells.
Submitted by: PaperMCQs
10

Which layer at the back of the eye contains photoreceptor cells called rods and cones that detect light?

  • AIris
  • BRetina
  • CCornea
  • DLens
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Correct Answer: Option B — Retina
Explanation: The retina is the light-sensitive layer at the back of the eye containing rod cells for detecting light intensity and cone cells for detecting colour in bright conditions.
Submitted by: PaperMCQs