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FPSC MCQs

Federal Public Service Commission — Complete MCQ Bank

1,461 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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151
Biology Easy

What is the term for the movement of substances from high concentration to low concentration without energy?

  • AActive transport
  • BOsmosis
  • CEndocytosis
  • DDiffusion
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Correct Answer: Option D — Diffusion
Explanation: Diffusion is the passive movement of particles from a region of high concentration to low concentration down a concentration gradient without requiring cellular energy.
Submitted by: PaperMCQs
152
Biology Medium

What is the term for the movement of water from a region of high water concentration to low concentration through a semipermeable membrane?

  • ADiffusion
  • BOsmosis
  • CActive transport
  • DEndocytosis
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Correct Answer: Option B — Osmosis
Explanation: Osmosis is the movement of water molecules through a semipermeable membrane from a region of high water potential to low water potential without requiring energy.
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153
Biology Medium

What is the term for the process by which plants lose water vapour through their leaves?

  • APhotosynthesis
  • BOsmosis
  • CTranspiration
  • DRespiration
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Correct Answer: Option C — Transpiration
Explanation: Transpiration is the process by which plants lose water vapour through stomata in their leaves creating a suction force that draws water and minerals up from the roots.
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154
Biology Easy

How many chambers does the human heart have?

  • ATwo
  • BThree
  • CFour
  • DFive
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Correct Answer: Option C — Four
Explanation: The human heart has four chambers two upper atria that receive blood and two lower ventricles that pump blood ensuring separation of oxygenated and deoxygenated blood.
Submitted by: PaperMCQs
155
Biology Easy

What is the name of the pigment in red blood cells that carries oxygen?

  • AMelanin
  • BChlorophyll
  • CHaemoglobin
  • DMyoglobin
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Correct Answer: Option C — Haemoglobin
Explanation: Haemoglobin is the iron-containing protein in red blood cells that binds to oxygen in the lungs and transports it to tissues throughout the body for cellular respiration.
Submitted by: PaperMCQs
156
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
157
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.
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158
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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159
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.
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160
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.
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