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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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121
Biology Medium

What is the two-part Latin naming system for organisms called?

  • APhylogenetic classification
  • BBinomial nomenclature
  • CCladistics
  • DLinnaean classification
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Correct Answer: Option B — Binomial nomenclature
Explanation: Binomial nomenclature is the formal system of naming organisms using two Latin words the genus name and the species name developed by Carl Linnaeus in the 18th century.
Submitted by: PaperMCQs
122
Biology Medium

What is the scientific name for the study of classification of organisms?

  • AMorphology
  • BEcology
  • CTaxonomy
  • DPhysiology
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Correct Answer: Option C — Taxonomy
Explanation: Taxonomy is the branch of biology dealing with the classification identification and naming of organisms into a hierarchical system of kingdoms phyla classes orders families genera and species.
Submitted by: PaperMCQs
123
Biology Easy

Which type of organisms break down dead organic matter into simpler inorganic substances?

  • AProducers
  • BDecomposers
  • CConsumers
  • DOmnivores
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Correct Answer: Option B — Decomposers
Explanation: Decomposers such as bacteria and fungi break down dead organic matter into simpler inorganic substances recycling nutrients back into the ecosystem for use by producers.
Submitted by: PaperMCQs
124
Biology Medium

What is the term for the gradual process of change in the species composition of an ecosystem over time?

  • AEvolution
  • BAdaptation
  • CMigration
  • DEcological succession
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Correct Answer: Option D — Ecological succession
Explanation: Ecological succession is the gradual and predictable process of change in species composition and community structure in an ecosystem over time toward a stable climax community.
Submitted by: PaperMCQs
125
Biology Hard

Which type of ecological succession begins on bare rock or sand where no soil exists?

  • ASecondary succession
  • BAllogenic succession
  • CBiotic succession
  • DPrimary succession
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Correct Answer: Option D — Primary succession
Explanation: Primary succession occurs on bare substrates like bare rock lava fields or sand dunes where no soil or previous living community exists starting from pioneer species like lichens.
Submitted by: PaperMCQs
126
Biology Medium

What is the term for the variety of different species present in a given habitat?

  • AGenetic diversity
  • BSpecies diversity
  • CEcosystem diversity
  • DBiodiversity
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Correct Answer: Option B — Species diversity
Explanation: Species diversity refers to the number and relative abundance of different species present in a given habitat and is an important measure of the biodiversity of an ecosystem.
Submitted by: PaperMCQs
127
Biology Easy

Which type of reproduction in bacteria involves the cell splitting into two equal daughter cells?

  • ABudding
  • BBinary fission
  • CFragmentation
  • DSporulation
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Correct Answer: Option B — Binary fission
Explanation: Binary fission is the primary method of asexual reproduction in bacteria where a single cell replicates its DNA and divides into two genetically identical daughter cells.
Submitted by: PaperMCQs
128
Biology Medium

What is the function of lysosomes in animal cells?

  • AProtein synthesis
  • BDigestion of waste materials and cellular debris
  • CEnergy production
  • DDNA storage
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Correct Answer: Option B — Digestion of waste materials and cellular debris
Explanation: Lysosomes are membrane-bound organelles containing digestive enzymes that break down waste materials damaged organelles and foreign substances through a process called autophagy.
Submitted by: PaperMCQs
129
Biology Medium

What is the function of the Golgi apparatus in a cell?

  • AEnergy production
  • BProtein synthesis
  • CDNA replication
  • DModifying packaging and dispatching proteins
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Correct Answer: Option D — Modifying packaging and dispatching proteins
Explanation: The Golgi apparatus modifies sorts and packages proteins and lipids received from the endoplasmic reticulum and dispatches them to their correct destinations inside or outside the cell.
Submitted by: PaperMCQs
130
Biology Easy

What is the site of protein synthesis in a cell?

  • ARibosome
  • BNucleus
  • CMitochondria
  • DGolgi apparatus
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Correct Answer: Option A — Ribosome
Explanation: Ribosomes are the cellular organelles responsible for protein synthesis where mRNA sequences are translated into chains of amino acids following the genetic code during translation.
Submitted by: PaperMCQs
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