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CSS MCQs

Civil Superior Services — Complete MCQ Bank

1,939 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.
CSS preparation illustration
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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
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Everyday Science Hard Uploaded: 01 Sep 2026

The permanent hardness of water can be removed by adding:

  • ASodium carbonate
  • BSodium chloride
  • CCalcium sulfate
  • DMagnesium sulfate
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Everyday Science Hard Uploaded: 01 Sep 2026

Which part of the digestive system absorbs most of the nutrients from food?

  • AStomach
  • BLarge intestine
  • CSmall intestine
  • DEsophagus
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Everyday Science Hard Uploaded: 01 Sep 2026

The disease caused by a deficiency of iodine in the diet is:

  • ARickets
  • BAnemia
  • CGoiter
  • DScurvy