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FPSC MCQs

Federal Public Service Commission — Complete MCQ Bank

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

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51
Biology Hard

What is the process by which the kidneys filter blood to form urine?

  • AUltrafiltration
  • BSecretion
  • CReabsorption
  • DDigestion
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Correct Answer: Option A — Ultrafiltration
Explanation: Ultrafiltration is the first process in urine formation where high pressure in the glomerulus forces water glucose salts and urea out of the blood into the Bowman's capsule.
Submitted by: PaperMCQs
52
Biology Medium

What is the functional unit of the kidney responsible for filtration of blood?

  • AGlomerulus
  • BLoop of Henle
  • CBowman's capsule
  • DNephron
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Correct Answer: Option D — Nephron
Explanation: The nephron is the basic structural and functional unit of the kidney responsible for filtering blood regulating water and electrolyte balance and producing urine.
Submitted by: PaperMCQs
53
Biology Medium

Which disease is caused by the deficiency of Vitamin B1 affecting the nervous and cardiovascular systems?

  • ABeriberi
  • BScurvy
  • CPellagra
  • DRickets
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Correct Answer: Option A — Beriberi
Explanation: Beriberi is caused by Vitamin B1 or thiamine deficiency and affects the nervous and cardiovascular systems causing muscle weakness nerve damage and heart problems.
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54
Biology Medium

What is the deficiency disease caused by lack of Vitamin C?

  • ABeriberi
  • BPellagra
  • CScurvy
  • DRickets
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Correct Answer: Option C — Scurvy
Explanation: Scurvy is caused by Vitamin C deficiency resulting in impaired collagen synthesis which leads to bleeding gums joint pain poor wound healing and weakness.
Submitted by: PaperMCQs
55
Biology Medium

What is the deficiency disease caused by lack of Vitamin D in children?

  • AScurvy
  • BRickets
  • CBeriberi
  • DPellagra
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Correct Answer: Option B — Rickets
Explanation: Rickets is caused by Vitamin D deficiency in children leading to impaired calcium and phosphorus absorption resulting in weak soft and deformed bones.
Submitted by: PaperMCQs
56
Biology Medium

Which vitamin is essential for the formation of collagen and acts as an antioxidant?

  • AVitamin A
  • BVitamin C
  • CVitamin D
  • DVitamin K
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Correct Answer: Option B — Vitamin C
Explanation: Vitamin C is essential for collagen synthesis acting as a cofactor for enzymes that stabilise the collagen triple helix and its deficiency causes scurvy.
Submitted by: PaperMCQs
57
Biology Medium

What is the term for proteins produced by B lymphocytes in response to specific antigens?

  • AAntigens
  • BEnzymes
  • CHormones
  • DAntibodies
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Correct Answer: Option D — Antibodies
Explanation: Antibodies also called immunoglobulins are Y-shaped proteins produced by B lymphocytes that specifically bind to antigens neutralising pathogens and marking them for destruction.
Submitted by: PaperMCQs
58
Biology Medium

What is the term for a substance that triggers an immune response in the body?

  • AAntibody
  • BEnzyme
  • CAntigen
  • DHormone
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Correct Answer: Option C — Antigen
Explanation: An antigen is any substance usually a protein on the surface of a pathogen that is recognised as foreign by the immune system and triggers the production of specific antibodies.
Submitted by: PaperMCQs
59
Biology Hard

Which type of white blood cell produces antibodies against specific pathogens?

  • ANeutrophils
  • BB lymphocytes
  • CMonocytes
  • DEosinophils
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Correct Answer: Option B — B lymphocytes
Explanation: B lymphocytes or B cells are white blood cells that produce specific antibodies when activated by an antigen providing targeted humoral immunity against pathogens.
Submitted by: PaperMCQs
60
Biology Medium

What is the process by which white blood cells engulf and digest bacteria and foreign particles?

  • APhagocytosis
  • BEndocytosis
  • COsmosis
  • DPinocytosis
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Correct Answer: Option A — Phagocytosis
Explanation: Phagocytosis is the process by which phagocytes such as neutrophils and macrophages engulf and digest bacteria foreign particles and dead cells protecting the body from infection.
Submitted by: PaperMCQs
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