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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.
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161

Which organ produces bile that aids in the digestion of fats?

  • APancreas
  • BLiver
  • CGallbladder
  • DStomach
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Correct Answer: Option B — Liver
Explanation: The liver produces bile which is stored in the gallbladder and released into the small intestine to emulsify fats making them easier to digest and absorb.
Submitted by: PaperMCQs
162

Which acid in the stomach helps in the digestion of food and kills harmful bacteria?

  • ASulfuric acid
  • BHydrochloric acid
  • CAcetic acid
  • DCitric acid
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Correct Answer: Option B — Hydrochloric acid
Explanation: Hydrochloric acid secreted by stomach glands helps digest food by activating pepsin and also kills many harmful bacteria that may be present in ingested food.
Submitted by: PaperMCQs
163

Which stomach enzyme is primarily responsible for breaking down proteins into smaller peptides?

  • AAmylase
  • BLipase
  • CPepsin
  • DTrypsin
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Correct Answer: Option C — Pepsin
Explanation: Pepsin is a stomach enzyme that breaks down proteins into smaller peptides functioning optimally in the highly acidic environment created by hydrochloric acid in the stomach.
Submitted by: PaperMCQs
164

Which enzyme present in saliva begins the digestion of starch in the mouth?

  • APepsin
  • BAmylase
  • CLipase
  • DTrypsin
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Correct Answer: Option B — Amylase
Explanation: Amylase present in saliva begins breaking down starch into simpler sugars during the initial stage of digestion before food even reaches the stomach.
Submitted by: PaperMCQs
165

Which gland produces saliva to aid in the initial digestion of food in the mouth?

  • APituitary gland
  • BSalivary gland
  • CThyroid gland
  • DAdrenal gland
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Correct Answer: Option B — Salivary gland
Explanation: Salivary glands produce saliva containing enzymes like amylase that begin breaking down starches in food while also moistening it to ease swallowing and digestion.
Submitted by: PaperMCQs
166

Which type of teeth are primarily used for grinding and chewing food at the back of the mouth?

  • AIncisors
  • BCanines
  • CMolars
  • DPremolars
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Correct Answer: Option C — Molars
Explanation: Molars located at the back of the mouth are primarily used for grinding and chewing food into smaller pieces before swallowing aiding in efficient digestion.
Submitted by: PaperMCQs
167

Which type of teeth are primarily used for tearing food in humans?

  • AIncisors
  • BCanines
  • CMolars
  • DPremolars
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Correct Answer: Option B — Canines
Explanation: Canines are pointed teeth primarily used for tearing food while incisors cut and molars grind providing humans with a complete set of teeth for varied chewing functions.
Submitted by: PaperMCQs
168

Which tube connects the middle ear to the throat helping equalize air pressure?

  • ACochlea
  • BEustachian tube
  • CAuditory canal
  • DSemicircular canal
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Correct Answer: Option B — Eustachian tube
Explanation: The Eustachian tube connects the middle ear to the throat helping equalize air pressure on both sides of the eardrum which is why ears may pop during altitude changes.
Submitted by: PaperMCQs
169

Which part of the human ear converts sound vibrations into electrical signals for the brain?

  • AEardrum
  • BCochlea
  • COuter ear
  • DEustachian tube
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Correct Answer: Option B — Cochlea
Explanation: The cochlea located in the inner ear converts sound vibrations into electrical nerve signals which are then transmitted to the brain via the auditory nerve for interpretation.
Submitted by: PaperMCQs
170

Which part of the human ear is primarily responsible for maintaining balance?

  • ACochlea
  • BSemicircular canals
  • CEardrum
  • DAuditory nerve
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Correct Answer: Option B — Semicircular canals
Explanation: The semicircular canals located in the inner ear detect rotational movements of the head and play a primary role in maintaining body balance and spatial orientation.
Submitted by: PaperMCQs