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FPSC MCQs

Federal Public Service Commission — Complete MCQ Bank

96 Questions
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21
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
22
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
23
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
24
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
25
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
26
Biology Medium

What is the process by which cells engulf large particles by wrapping the cell membrane around them?

  • APhagocytosis
  • BOsmosis
  • CDiffusion
  • DPinocytosis
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Correct Answer: Option A — Phagocytosis
Explanation: Phagocytosis is a type of endocytosis where the cell membrane wraps around large solid particles such as bacteria and engulfs them forming a phagosome inside the cell.
Submitted by: PaperMCQs
27
Biology Medium

Which molecule is the primary energy currency of cells?

  • AATP
  • BADP
  • CNAD
  • DNADP
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Correct Answer: Option A — ATP
Explanation: ATP or adenosine triphosphate is the primary energy currency of cells storing and providing energy for all cellular processes including metabolism movement and biosynthesis.
Submitted by: PaperMCQs
28
Biology Medium

What is the term for two different alleles for a trait in an organism?

  • AHomozygous
  • BCodominant
  • CDominant
  • DHeterozygous
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Correct Answer: Option D — Heterozygous
Explanation: Heterozygous describes an organism that has two different alleles for a particular gene one dominant and one recessive with the dominant allele typically expressed in the phenotype.
Submitted by: PaperMCQs
29
Biology Medium

What is the term for two identical alleles for a trait in an organism?

  • AHomozygous
  • BHeterozygous
  • CCarrier
  • DCodominant
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Correct Answer: Option A — Homozygous
Explanation: Homozygous describes an organism that has two identical alleles for a particular gene either both dominant or both recessive determining the trait expressed in the phenotype.
Submitted by: PaperMCQs
30
Biology Medium

What is the term for an organism that carries a recessive allele but does not show the trait?

  • ADominant
  • BCarrier
  • CHomozygous
  • DHeterozygous
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Correct Answer: Option B — Carrier
Explanation: A carrier is an organism that is heterozygous for a recessive allele meaning it carries one dominant and one recessive allele and does not express the recessive trait but can pass it to offspring.
Submitted by: PaperMCQs
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