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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.
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Everyday Science Medium Uploaded: 01 Sep 2026

The scientific term for the process of blood clot formation is:

  • ACoagulation
  • BCirculation
  • CFiltration
  • DOxidation
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Everyday Science Medium Uploaded: 01 Sep 2026

Which of the following is the main reason ice floats on water?

  • AIce is less dense than water
  • BIce is warmer than water
  • CIce has more oxygen
  • DIce contains air bubbles only
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Everyday Science Easy Uploaded: 01 Sep 2026

The process by which new species arise through gradual change over time is called:

  • AAdaptation
  • BMutation
  • CSelection
  • DEvolution
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Everyday Science Easy Uploaded: 01 Sep 2026

Which of the following is a common antibiotic derived from a fungus?

  • AAspirin
  • BPenicillin
  • CParacetamol
  • DInsulin
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Everyday Science Hard Uploaded: 01 Sep 2026

The scientific term for an organism that can survive in extreme environmental conditions is:

  • AAutotroph
  • BHeterotroph
  • CSaprophyte
  • DExtremophile
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Everyday Science Easy Uploaded: 01 Sep 2026

Which of the following vitamins is important for wound healing and immune function?

  • AVitamin A
  • BVitamin C
  • CVitamin D
  • DVitamin K
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Everyday Science Medium Uploaded: 01 Sep 2026

The main function of the cerebrum in the human brain is to:

  • AControl heartbeat
  • BCoordinate movement
  • CRegulate blood pressure
  • DProcess thought and voluntary actions
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Everyday Science Easy Uploaded: 01 Sep 2026

Which of the following is the main function of platelets in blood?

  • AAid in clotting
  • BTransport nutrients
  • CFight infection
  • DRegulate temperature
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Everyday Science Medium Uploaded: 01 Sep 2026

The primary function of the lymphatic system is to:

  • ATransport oxygen
  • BDigest fats
  • CSupport the immune system
  • DRegulate blood pressure
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Everyday Science Hard Uploaded: 01 Sep 2026

Which of the following gases is used for welding purposes due to its high flame temperature?

  • AHydrogen
  • BAcetylene
  • CNitrogen
  • DHelium