Join WhatsApp ChannelDaily MCQs & Exam Updates

FPSC MCQs

Federal Public Service Commission — Complete MCQ Bank

269 Questions
Exam Preparation Guide

How to prepare for FPSC

FPSC recruitment tests assess subject knowledge, general ability and job-related competence for federal government positions across Pakistan.

General KnowledgeCurrent AffairsEnglishJob-related Subjects
Read the official syllabus first, then combine subject-specific revision with timed mixed-question practice.
FPSC preparation illustration
251

Which vitamin deficiency commonly causes night blindness in humans?

  • AVitamin A
  • BVitamin B1
  • CVitamin C
  • DVitamin E
Permalink
Correct Answer: Option A — Vitamin A
Explanation: Vitamin A deficiency commonly causes night blindness because this vitamin is essential for producing rhodopsin a pigment in the retina necessary for vision in low light conditions.
Submitted by: PaperMCQs
252

Which vitamin deficiency commonly causes the disease scurvy?

  • AVitamin A
  • BVitamin B12
  • CVitamin C
  • DVitamin D
Permalink
Correct Answer: Option C — Vitamin C
Explanation: Scurvy is caused by a deficiency of Vitamin C which is essential for collagen synthesis and its absence leads to symptoms such as bleeding gums and joint pain.
Submitted by: PaperMCQs
253

Which gland in the human body is often referred to as the master gland because it controls other endocrine glands?

  • AThyroid gland
  • BPituitary gland
  • CAdrenal gland
  • DPancreas
Permalink
Correct Answer: Option B — Pituitary gland
Explanation: The pituitary gland is referred to as the master gland because it secretes hormones that regulate the activity of other endocrine glands throughout the human body.
Submitted by: PaperMCQs
254

Which part of the human brain regulates vital involuntary functions such as breathing and heartbeat?

  • ACerebrum
  • BCerebellum
  • CMedulla oblongata
  • DHypothalamus
Permalink
Correct Answer: Option C — Medulla oblongata
Explanation: The medulla oblongata located in the brainstem regulates vital involuntary functions including breathing heart rate and blood pressure essential for sustaining basic life processes.
Submitted by: PaperMCQs
255

Which part of the human brain is primarily responsible for controlling balance and coordination?

  • ACerebrum
  • BCerebellum
  • CMedulla oblongata
  • DHypothalamus
Permalink
Correct Answer: Option B — Cerebellum
Explanation: The cerebellum located at the back of the brain is primarily responsible for controlling balance posture and fine motor coordination during voluntary muscle movements.
Submitted by: PaperMCQs
256

Which blood type is known as the universal recipient for blood transfusions?

  • AO negative
  • BAB positive
  • CA negative
  • DB positive
Permalink
Correct Answer: Option B — AB positive
Explanation: AB positive blood is known as the universal recipient type because it contains both A and B antigens along with the Rh factor allowing it to accept blood from all other types.
Submitted by: PaperMCQs
257

Which blood type is known as the universal donor for blood transfusions?

  • AA positive
  • BAB positive
  • CO negative
  • DB negative
Permalink
Correct Answer: Option C — O negative
Explanation: O negative blood is known as the universal donor type because it lacks A B and Rh antigens making it compatible with recipients of nearly any blood type in emergency transfusions.
Submitted by: PaperMCQs
258

Which layer of the atmosphere contains the ozone layer that absorbs harmful ultraviolet radiation?

  • ATroposphere
  • BStratosphere
  • CMesosphere
  • DThermosphere
Permalink
Correct Answer: Option B — Stratosphere
Explanation: The stratosphere contains the ozone layer which absorbs most of the sun's harmful ultraviolet radiation protecting living organisms on Earth from excessive UV exposure.
Submitted by: PaperMCQs
259

Which gas is primarily responsible for the greenhouse effect contributing most to global warming?

  • AOxygen
  • BCarbon dioxide
  • CNitrogen
  • DHelium
Permalink
Correct Answer: Option B — Carbon dioxide
Explanation: Carbon dioxide is the primary greenhouse gas contributing to global warming as it traps heat in the atmosphere due to human activities like fossil fuel combustion and deforestation.
Submitted by: PaperMCQs
260

Which natural phenomenon results from the dispersion of sunlight through water droplets in the atmosphere?

  • AAurora
  • BRainbow
  • CMirage
  • DHalo
Permalink
Correct Answer: Option B — Rainbow
Explanation: A rainbow forms when sunlight is refracted reflected and dispersed through water droplets in the atmosphere splitting white light into its constituent spectral colors.
Submitted by: PaperMCQs