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FPSC MCQs

Federal Public Service Commission — Complete MCQ Bank

1,461 Questions
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How to prepare for FPSC

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

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Read the official syllabus first, then combine subject-specific revision with timed mixed-question practice.
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All Subjects Biology Chemistry Computer Science Current Affairs English Everyday Science General Knowledge Islamic Studies Mathematics Pakistan Studies Physics
551
Everyday Science Medium

Which everyday material is used as an X-ray absorber to protect the body during medical scans?

  • ACopper
  • BLead
  • CAluminium
  • DSteel
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Correct Answer: Option B — Lead
Explanation: Lead is used as a shield during X-ray procedures because it effectively absorbs harmful ionising radiation protecting body parts not being examined.
Submitted by: PaperMCQs
552
Everyday Science Easy

Which common substance has the chemical formula H2O2?

  • AWater
  • BAcetic acid
  • CHydrogen peroxide
  • DAmmonia
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Correct Answer: Option C — Hydrogen peroxide
Explanation: Hydrogen peroxide H2O2 is a common antiseptic used to clean wounds and is also used as a bleaching agent and differs from water by having an extra oxygen atom.
Submitted by: PaperMCQs
553
Everyday Science Hard

Which layer of the skin provides insulation and stores energy as fat?

  • AMelanocyte layer
  • BEpidermis
  • CDermis
  • DHypodermis
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Correct Answer: Option A — Melanocyte layer
Explanation: The hypodermis also called subcutaneous tissue is the deepest skin layer that stores fat for insulation energy reserve and cushioning against physical impact.
Submitted by: PaperMCQs
554
Everyday Science Medium

Which everyday process converts mechanical energy into electrical energy in a bicycle dynamo?

  • ARadiation
  • BConduction
  • CElectromagnetic induction
  • DChemical reaction
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Correct Answer: Option C — Electromagnetic induction
Explanation: A bicycle dynamo converts mechanical energy from wheel rotation into electrical energy through electromagnetic induction as a coil rotates within a magnetic field.
Submitted by: PaperMCQs
555
Everyday Science Medium

Which organ produces the hormone adrenaline that prepares the body for fight or flight response?

  • AThyroid gland
  • BPituitary gland
  • CPancreas
  • DAdrenal gland
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Correct Answer: Option D — Adrenal gland
Explanation: The adrenal glands located above the kidneys produce adrenaline which triggers the fight or flight response by increasing heart rate and blood flow to muscles.
Submitted by: PaperMCQs
556
English Medium

Choose the correct preposition to complete the sentence: "The master was annoyed _____ the servant."

  • AWith
  • BFor
  • COn
  • DAt
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Correct Answer: Option A — With
Explanation: The adjective "annoyed" is commonly followed by the preposition "with" when referring to a person who causes irritation. Therefore, the correct sentence is "The master was annoyed with the servant." This means that the master felt displeased or irritated because of the servant's behavior or actions.
Submitted by: Chandi
557
English Medium

Which of the following is the best antonym of "Heal"?

  • ARecover
  • BWound
  • CInjure
  • DRepair
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Correct Answer: Option C — Injure
Explanation: The word "Heal" means to restore health, cure an injury, or make someone or something healthy again. The opposite of heal is injure, which means to cause physical harm or damage. Although "wound" can also function as an opposite in some contexts, "injure" is the more direct and commonly accepted antonym in English vocabulary and competitive examinations.
Submitted by: Chandi
558
English Medium

Choose the correct preposition to complete the proverb: "Charity begins _____ home."

  • AAt
  • BWith
  • CIn
  • DFrom
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Correct Answer: Option A — At
Explanation: The correct English proverb is "Charity begins at home." It means that a person should first fulfill responsibilities toward their own family and close community before helping others. The preposition "at" is the standard and grammatically correct choice in this well-known expression, making the sentence both idiomatic and accurate
Submitted by: Chandi
559
Computer Science Medium

Which data structure is primarily used by the Depth-First Search (DFS) algorithm?

  • AQueue
  • BHash Table
  • CStack
  • DHeap
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Correct Answer: Option C — Stack
Explanation: Depth-First Search (DFS) uses a stack to keep track of nodes during traversal. The algorithm explores one branch of a graph or tree as deeply as possible before backtracking to explore other branches. DFS can use an explicit stack or the system's call stack through recursion. This approach is useful for pathfinding, graph traversal, cycle detection, and topological sorting.
Submitted by: Chandi
560
Computer Science Medium

What does "GPT" stand for in ChatGPT?

  • AGlobal Prediction Technique
  • BGenerative Pre-trained Transforme
  • CGeneral Processing Tool
  • DGraphical Pattern Tracke
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Correct Answer: Option B — Generative Pre-trained Transforme
Explanation: GPT stands for Generative Pre-trained Transformer. It is a family of artificial intelligence language models developed by OpenAI. These models are pre-trained on large amounts of text to learn language patterns and can then generate human-like responses, answer questions, summarize information, translate text, assist with coding, and perform many other natural language processing tasks.
Submitted by: Chandi
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