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PPSC MCQs

Punjab Public Service Commission — Complete MCQ Bank

1,997 Questions
Exam Preparation Guide

How to prepare for PPSC

PPSC examinations recruit candidates for Punjab government departments and commonly test general knowledge, current affairs, English and post-related subjects.

Punjab AffairsGeneral KnowledgeCurrent AffairsEnglish
Give special attention to Punjab geography, history and administration alongside the advertised post’s specialist syllabus.
PPSC preparation illustration
591
Biology Medium Uploaded: 06 Aug 2026

What gas do plants absorb from the atmosphere during photosynthesis?

  • AOxygen
  • BNitrogen
  • CCarbon dioxide
  • DHydrogen
592
Chemistry Medium Uploaded: 06 Aug 2026

Which element is commonly used in nuclear reactors as fuel?

  • AUranium
  • BCarbon
  • CLead
  • DSilicon
593
Chemistry Medium Uploaded: 06 Aug 2026

What is the process by which plants convert light energy into chemical energy?

  • ARespiration
  • BFermentation
  • CPhotosynthesis
  • DTranspiration
594
Chemistry Medium Uploaded: 06 Aug 2026

Which gas is released during photosynthesis?

  • ACarbon dioxide
  • BOxygen
  • CNitrogen
  • DHydrogen
595
Chemistry Hard Uploaded: 06 Aug 2026

What is the molar mass of water approximately?

  • A16 g/mol
  • B20 g/mol
  • C18 g/mol
  • D22 g/mol
596
Chemistry Hard Uploaded: 06 Aug 2026

Which of the following is used as a catalyst in the Haber process?

  • APlatinum
  • BIron
  • CNickel
  • DCopper
597
Chemistry Medium Uploaded: 06 Aug 2026

What is the process of converting a gas into a liquid called?

  • ASublimation
  • BVaporization
  • CFusion
  • DCondensation
598
Chemistry Medium Uploaded: 06 Aug 2026

Which element is essential for photosynthesis and found in chlorophyll?

  • AIron
  • BMagnesium
  • CZinc
  • DCalcium
599
Chemistry Hard Uploaded: 06 Aug 2026

What is the atomic mass unit based on?

  • AHydrogen-1
  • BOxygen-16
  • CHelium-4
  • DCarbon-12
600
Physics Easy Uploaded: 06 Aug 2026

What is the term used for the resistance of a body to change its state of motion?

  • AInertia
  • BAcceleration
  • CVelocity
  • DMomentum