Join WhatsApp ChannelDaily MCQs & Exam Updates

PPSC MCQs

Punjab Public Service Commission — Complete MCQ Bank

2,026 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
51
Chemistry Easy Uploaded: 04 Sep 2026

Proteins are polymers made up of monomer units called:

  • ANucleotides
  • BAmino acids
  • CMonosaccharides
  • DFatty acids
52
Chemistry Medium Uploaded: 04 Sep 2026

What is the main cause of acid rain?

  • ASulfur dioxide and nitrogen oxides
  • BMethane
  • CCarbon dioxide
  • DOxygen
53
Chemistry Medium Uploaded: 04 Sep 2026

Benzene is an example of which type of hydrocarbon?

  • AAromatic
  • BAlicyclic
  • CAliphatic
  • DSaturated
54
Chemistry Easy Uploaded: 04 Sep 2026

Which functional group is present in alcohols?

  • A-COOH
  • B-NH2
  • C-OH
  • D-CHO
55
Chemistry Easy Uploaded: 04 Sep 2026

A reaction in which both oxidation and reduction occur simultaneously is called:

  • ACombustion reaction only
  • BRedox reaction
  • CNeutralization reaction
  • DPrecipitation reaction
56
Chemistry Medium Uploaded: 04 Sep 2026

What does a large equilibrium constant (K) indicate?

  • AReactants are favored
  • BEqual amounts of both
  • CProducts are favored
  • DReaction does not occur
57
Chemistry Hard Uploaded: 04 Sep 2026

What is the order of a reaction if rate is proportional to the square of reactant concentration?

  • ASecond order
  • BZero order
  • CFirst order
  • DThird order
58
Chemistry Easy Uploaded: 04 Sep 2026

Which process describes a reaction that absorbs heat from its surroundings?

  • AAdiabatic
  • BEndothermic
  • CIsothermic
  • DExothermic
59
Chemistry Hard Uploaded: 04 Sep 2026

According to the second law of thermodynamics, entropy of an isolated system tends to:

  • ARemain constant
  • BBecome zero
  • CDecrease
  • DIncrease
60
Chemistry Medium Uploaded: 04 Sep 2026

The pOH of a solution with pH 4 is:

  • A14
  • B4
  • C10
  • D7