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FPSC MCQs

Federal Public Service Commission — Complete MCQ Bank

96 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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31
Biology Hard

What is the process by which bacteria exchange genetic material through direct contact?

  • ATransformation
  • BTransduction
  • CConjugation
  • DReplication
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Correct Answer: Option C — Conjugation
Explanation: Conjugation is the process by which bacteria transfer genetic material including plasmids through direct physical contact via a structure called a pilus contributing to antibiotic resistance spread.
Submitted by: PaperMCQs
32
Biology Medium

What is the term for a permanent change in the DNA sequence of an organism?

  • AMutation
  • BAdaptation
  • CVariation
  • DAllele
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Correct Answer: Option A — Mutation
Explanation: A mutation is a permanent change in the DNA sequence of an organism that can alter gene function and may be inherited by offspring potentially causing genetic disorders or driving evolution.
Submitted by: PaperMCQs
33
Biology Medium

Which process converts mRNA information into a protein sequence at ribosomes?

  • ATranscription
  • BTranslation
  • CReplication
  • DTransduction
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Correct Answer: Option B — Translation
Explanation: Translation is the process by which ribosomes read the mRNA sequence and assemble amino acids in the correct order to synthesise a specific protein using tRNA molecules.
Submitted by: PaperMCQs
34
Biology Medium

Which process copies DNA information into mRNA in the nucleus?

  • ATranslation
  • BReplication
  • CTransduction
  • DTranscription
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Correct Answer: Option D — Transcription
Explanation: Transcription is the process by which the information in a DNA sequence is copied into mRNA by the enzyme RNA polymerase taking place in the nucleus of eukaryotic cells.
Submitted by: PaperMCQs
35
Biology Medium

Which molecule carries genetic information from DNA to ribosomes for protein synthesis?

  • AmRNA
  • BtRNA
  • CrRNA
  • DsnRNA
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Correct Answer: Option A — mRNA
Explanation: Messenger RNA or mRNA carries the genetic code from DNA in the nucleus to ribosomes in the cytoplasm where it serves as a template for protein synthesis through translation.
Submitted by: PaperMCQs
36
Biology Medium

What is the term for a community of organisms interacting with their physical environment?

  • ABiome
  • BPopulation
  • CEcosystem
  • DCommunity
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Correct Answer: Option C — Ecosystem
Explanation: An ecosystem is a biological community of interacting organisms together with the physical environment in which they live including both biotic living and abiotic non-living components.
Submitted by: PaperMCQs
37
Biology Medium

What is the term for all the populations of different species living and interacting in the same area?

  • ACommunity
  • BPopulation
  • CBiosphere
  • DEcosystem
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Correct Answer: Option A — Community
Explanation: A community is an assemblage of populations of different species that live and interact in the same geographical area at a given time sharing resources and affecting each other.
Submitted by: PaperMCQs
38
Biology Medium

What is the term for all the organisms of the same species living in the same area at the same time?

  • ACommunity
  • BEcosystem
  • CPopulation
  • DBiome
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Correct Answer: Option C — Population
Explanation: A population is a group of individuals of the same species living in the same area at the same time who can interbreed and share genetic resources.
Submitted by: PaperMCQs
39
Biology Medium

What is the term for an interconnected network of food chains in an ecosystem?

  • APyramid of biomass
  • BTrophic level
  • CFood web
  • DFood chain
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Correct Answer: Option C — Food web
Explanation: A food web is a complex network of interconnected food chains in an ecosystem representing the multiple feeding relationships and energy pathways between organisms.
Submitted by: PaperMCQs
40
Biology Easy

What is the term for the sequence of feeding relationships in an ecosystem?

  • APyramid of numbers
  • BEcological niche
  • CTrophic level
  • DFood chain
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Correct Answer: Option D — Food chain
Explanation: A food chain is a linear sequence showing how energy and nutrients are transferred from one organism to another through feeding relationships starting from producers.
Submitted by: PaperMCQs