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PPSC MCQs

Punjab Public Service Commission β€” Complete MCQ Bank

273 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
211

Which type of fat is generally considered healthier and is commonly found in foods like olive oil and nuts?

  • ASaturated fat
  • BTrans fat
  • CUnsaturated fat
  • DHydrogenated fat
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Correct Answer: Option C β€” Unsaturated fat
Explanation: Unsaturated fats commonly found in olive oil nuts and avocados are generally considered healthier than saturated or trans fats as they support heart health when consumed in moderation.
Submitted by: PaperMCQs
212

Which macronutrient is essential for building and repairing body tissues such as muscles?

  • ACarbohydrates
  • BFats
  • CProteins
  • DFiber
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Correct Answer: Option C β€” Proteins
Explanation: Proteins are essential macronutrients required for building and repairing body tissues including muscles skin and organs as they provide the amino acids needed for cellular growth.
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213

Which macronutrient is the body's primary and most efficient source of quick energy?

  • AProteins
  • BFats
  • CCarbohydrates
  • DVitamins
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Correct Answer: Option C β€” Carbohydrates
Explanation: Carbohydrates serve as the body's primary and most efficient source of quick energy as they are readily broken down into glucose which cells use for immediate fuel.
Submitted by: PaperMCQs
214

Which common food item is a good source of dietary fiber important for digestive health?

  • AWhite bread
  • BWhole grains
  • CRefined sugar
  • DProcessed cheese
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Correct Answer: Option B β€” Whole grains
Explanation: Whole grains are an excellent source of dietary fiber which supports healthy digestion regulates blood sugar levels and helps maintain overall gastrointestinal health.
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215

Which everyday observation demonstrates the concept of inertia in physics?

  • AA ball rolling downhill
  • BA seated passenger jerking forward during sudden braking
  • CWater boiling at high altitude
  • DA magnet attracting iron filings
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Correct Answer: Option B β€” A seated passenger jerking forward during sudden braking
Explanation: A seated passenger jerking forward during sudden braking demonstrates inertia as the body continues moving forward due to its tendency to resist changes in its state of motion.
Submitted by: PaperMCQs
216

Which natural process explains how mountains gradually wear down over long periods of time?

  • AErosion
  • BDeposition
  • CSedimentation
  • DWeathering and erosion
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Correct Answer: Option D β€” Weathering and erosion
Explanation: Weathering and erosion together explain how mountains gradually wear down over long periods through physical chemical and biological processes that break down and transport rock material.
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217

Which renewable energy source generates electricity by harnessing the flow of water through dams or rivers?

  • ASolar energy
  • BWind energy
  • CHydropower
  • DGeothermal energy
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Correct Answer: Option C β€” Hydropower
Explanation: Hydropower generates electricity by harnessing the kinetic energy of flowing water typically through dams or river turbines making it one of the oldest renewable energy sources used worldwide.
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218

Which renewable energy source uses moving air currents to generate electricity through turbines?

  • ASolar energy
  • BWind energy
  • CHydropower
  • DBiomass energy
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Correct Answer: Option B β€” Wind energy
Explanation: Wind energy uses moving air currents to rotate large turbine blades which drive generators to produce electricity offering a clean and increasingly cost effective renewable power source.
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219

Which renewable energy source harnesses sunlight directly to generate electricity?

  • AWind energy
  • BSolar energy
  • CHydropower
  • DGeothermal energy
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Correct Answer: Option B β€” Solar energy
Explanation: Solar energy harnesses sunlight directly using photovoltaic cells to generate electricity providing a clean and renewable alternative to fossil fuel based power generation.
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220

Which gas commonly used in refrigerators and air conditioners was historically linked to ozone layer depletion?

  • ACarbon dioxide
  • BChlorofluorocarbons
  • CMethane
  • DNitrogen
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Correct Answer: Option B β€” Chlorofluorocarbons
Explanation: Chlorofluorocarbons CFCs once widely used as refrigerants were linked to ozone layer depletion as they release chlorine atoms that break down ozone molecules in the stratosphere.
Submitted by: PaperMCQs