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PPSC MCQs

Punjab Public Service Commission β€” Complete MCQ Bank

1,259 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
831

Which gas do plants primarily absorb during photosynthesis?

  • AOxygen
  • BCarbon dioxide
  • CNitrogen
  • DHydrogen
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Correct Answer: Option B β€” Carbon dioxide
Explanation: Plants absorb carbon dioxide from the atmosphere during photosynthesis using sunlight and water to convert it into glucose and oxygen which is released as a byproduct.
Submitted by: PaperMCQs
832

Which organ in the human body is primarily responsible for filtering blood and removing waste?

  • ALiver
  • BKidney
  • CSpleen
  • DPancreas
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Correct Answer: Option B β€” Kidney
Explanation: The kidneys filter blood to remove metabolic waste products and excess fluids excreting them as urine while also regulating electrolyte balance and blood pressure in the body.
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833

Which vitamin is primarily synthesized in human skin upon sunlight exposure?

  • AVitamin A
  • BVitamin C
  • CVitamin D
  • DVitamin K
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Correct Answer: Option C β€” Vitamin D
Explanation: Vitamin D is synthesized in the skin when exposed to ultraviolet B rays from sunlight and is essential for calcium absorption and maintaining healthy bones and immune function.
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834

Which blood component is primarily responsible for clotting?

  • ARed blood cells
  • BWhite blood cells
  • CPlatelets
  • DPlasma
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Correct Answer: Option C β€” Platelets
Explanation: Platelets are small cell fragments in the blood that clump together at injury sites to form clots preventing excessive bleeding and initiating the wound healing process.
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835

Which part of the human eye controls the amount of light entering it?

  • ARetina
  • BCornea
  • CIris
  • DLens
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Correct Answer: Option C β€” Iris
Explanation: The iris is the colored muscular structure that controls pupil size thereby regulating the amount of light entering the eye to ensure clear vision under varying light conditions.
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836

Which gas is most abundant in the Earth's atmosphere?

  • AOxygen
  • BNitrogen
  • CCarbon dioxide
  • DArgon
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Correct Answer: Option B β€” Nitrogen
Explanation: Nitrogen makes up about 78 percent of the Earth's atmosphere by volume making it the most abundant atmospheric gas far exceeding oxygen which constitutes roughly 21 percent.
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837

Which Pakistani institution coordinates national vaccination and immunization programs against childhood diseases?

  • AExpanded Programme on Immunization
  • BNDMA
  • CNADRA
  • DMinistry of Health alone
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Correct Answer: Option A β€” Expanded Programme on Immunization
Explanation: The Expanded Programme on Immunization EPI coordinates national vaccination campaigns against childhood diseases including polio measles and other preventable illnesses across Pakistan.
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838

Which multinational naval exercise hosted by Pakistan brings together navies from across the world for maritime security cooperation?

  • AIndus Shield
  • BAman Exercise
  • CShaheen Series
  • DInspired Union
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Correct Answer: Option B β€” Aman Exercise
Explanation: The Aman Exercise hosted by the Pakistan Navy brings together naval forces from numerous countries to enhance maritime security cooperation and counter piracy collaboration in the region.
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839

Which Pakistani air force base is historically significant as a primary fighter training and operations hub?

  • APAF Base Masroor
  • BPAF Base Mushaf
  • CPAF Base Faisal
  • DAll of these serve significant roles
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Correct Answer: Option D β€” All of these serve significant roles
Explanation: Multiple PAF bases including Masroor Mushaf and Faisal serve significant roles in fighter training operations and logistics supporting the Pakistan Air Force's broader strategic and operational needs.
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840

Which Pakistani naval headquarters city serves as the home base for the Pakistan Navy's main fleet?

  • AIslamabad
  • BKarachi
  • CGwadar
  • DLahore
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Correct Answer: Option B β€” Karachi
Explanation: Karachi serves as the home base for the Pakistan Navy's main fleet and hosts the Naval Headquarters supporting the country's primary maritime defense operations.
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