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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.
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121

Which everyday phenomenon explains why a metal spoon feels colder than a wooden spoon at the same room temperature?

  • AMetal has higher specific heat
  • BMetal conducts heat away from skin faster
  • CWood absorbs more light
  • DMetal reflects more heat
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Correct Answer: Option B — Metal conducts heat away from skin faster
Explanation: Metal conducts heat away from the skin much faster than wood due to its higher thermal conductivity making it feel colder even though both objects are at the same room temperature.
Submitted by: PaperMCQs
122

Which modern lighting technology is significantly more energy efficient than traditional incandescent bulbs?

  • AHalogen bulbs
  • BLED bulbs
  • CFluorescent tubes only
  • DCandle light
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Correct Answer: Option B — LED bulbs
Explanation: LED bulbs are significantly more energy efficient than traditional incandescent bulbs because they convert a much higher percentage of electrical energy into light rather than heat.
Submitted by: PaperMCQs
123

Which device converts electrical energy into light energy using a glowing filament?

  • ASolar panel
  • BIncandescent bulb
  • CBattery
  • DGenerator
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Correct Answer: Option B — Incandescent bulb
Explanation: An incandescent bulb converts electrical energy into light energy by heating a thin filament until it glows though much of the energy is lost as heat rather than light.
Submitted by: PaperMCQs
124

Which everyday application demonstrates the use of static electricity?

  • AA balloon sticking to a wall after rubbing
  • BWater flowing downhill
  • CA ball rolling on a flat surface
  • DIce melting in sunlight
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Correct Answer: Option A — A balloon sticking to a wall after rubbing
Explanation: Rubbing a balloon against hair or fabric transfers electrons creating a static charge that allows the balloon to stick to a wall by attracting opposite charges on its surface.
Submitted by: PaperMCQs
125

Which everyday observation illustrates the concept of friction reducing motion efficiency?

  • AA ball bouncing higher each time
  • BRubbing hands together to generate heat
  • CWater boiling faster at high altitude
  • DLight bending through a prism
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Correct Answer: Option B — Rubbing hands together to generate heat
Explanation: Rubbing hands together to generate heat illustrates friction as the resistance between surfaces in contact converts kinetic energy into thermal energy producing warmth.
Submitted by: PaperMCQs
126

Which simple machine uses a grooved wheel and rope to lift heavy objects with reduced effort?

  • ALever
  • BScrew
  • CPulley
  • DWedge
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Correct Answer: Option C — Pulley
Explanation: A pulley uses a grooved wheel and rope to change the direction of applied force making it easier to lift heavy objects such as in wells cranes and flagpoles.
Submitted by: PaperMCQs
127

Which simple machine is used in a bottle opener to pry open a cap?

  • APulley
  • BLever
  • CScrew
  • DWedge
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Correct Answer: Option B — Lever
Explanation: A bottle opener functions as a lever using a fixed pivot point to amplify the force applied allowing easy removal of a bottle cap with minimal effort.
Submitted by: PaperMCQs
128

Which common kitchen tool functions based on the principle of a wedge to separate materials?

  • ASpoon
  • BKnife
  • CFork
  • DWhisk
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Correct Answer: Option B — Knife
Explanation: A knife functions based on the principle of a wedge using its thin angled edge to concentrate force and separate materials like food with relatively little applied effort.
Submitted by: PaperMCQs
129

Which type of energy transformation occurs when a battery powers an electric device?

  • AChemical to electrical
  • BMechanical to electrical
  • CLight to electrical
  • DThermal to electrical
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Correct Answer: Option A — Chemical to electrical
Explanation: Batteries store chemical energy that is converted into electrical energy through electrochemical reactions occurring between the electrodes and electrolyte inside the battery.
Submitted by: PaperMCQs
130

Which type of energy transformation occurs in a solar panel converting sunlight into usable electricity?

  • AMechanical to electrical
  • BChemical to electrical
  • CLight to electrical
  • DThermal to electrical
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Correct Answer: Option C — Light to electrical
Explanation: Solar panels use photovoltaic cells to convert light energy directly into electrical energy through the photovoltaic effect generating usable electricity from sunlight.
Submitted by: PaperMCQs