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CSS MCQs

Civil Superior Services — Complete MCQ Bank

82 Questions
Exam Preparation Guide

How to prepare for CSS

CSS is Pakistan’s premier federal competitive examination. Strong preparation requires conceptual clarity, broad general knowledge and consistent practice across compulsory and optional areas.

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Combine daily MCQ practice with analytical reading, vocabulary building and regular revision of national and international affairs.
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21
Everyday Science Easy Uploaded: 01 Sep 2026

Which of the following is the primary function of the respiratory system?

  • ADigestion of food
  • BCirculation of blood
  • CFiltration of waste
  • DExchange of gases
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Everyday Science Medium Uploaded: 01 Sep 2026

The average adult human has approximately how many liters of blood?

  • A3 liters
  • B7 liters
  • C5 liters
  • D9 liters
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Everyday Science Easy Uploaded: 01 Sep 2026

Which of the following elements is required for the formation of bones and teeth?

  • ASodium
  • BPotassium
  • CCalcium
  • DIron
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Everyday Science Medium Uploaded: 01 Sep 2026

The process of forming new blood cells in the body occurs mainly in the:

  • ALiver
  • BBone marrow
  • CSpleen
  • DKidney
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Everyday Science Medium Uploaded: 01 Sep 2026

Which of the following is used to sterilize surgical instruments?

  • ARefrigerator
  • BAutoclave
  • CMicrowave
  • DCentrifuge
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Everyday Science Medium Uploaded: 01 Sep 2026

The deficiency of vitamin B1 causes which disease?

  • ARickets
  • BBeriberi
  • CScurvy
  • DNight blindness
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Everyday Science Easy Uploaded: 01 Sep 2026

Which of the following gases is used in fire extinguishers?

  • AOxygen
  • BHydrogen
  • CNitrogen
  • DCarbon dioxide
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Everyday Science Hard Uploaded: 01 Sep 2026

The device used to convert mechanical energy into electrical energy is:

  • AMotor
  • BGenerator
  • CTransformer
  • DBattery
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Everyday Science Easy Uploaded: 01 Sep 2026

Which of the following is the powerhouse of the cell?

  • ANucleus
  • BRibosome
  • CMitochondria
  • DGolgi body
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Everyday Science Hard Uploaded: 01 Sep 2026

The process of converting milk into curd is caused by:

  • AVirus
  • BBacteria
  • CFungi
  • DAlgae