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Biology MCQs

210 Questions Subject Test
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Build a clear understanding of living organisms, cells, genetics, human systems and the environment through carefully selected practice questions.

Cell BiologyHuman PhysiologyGeneticsEcology
Useful for academic exams, entry tests, FPSC, PPSC and general science preparation.
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Hard ppsc Uploaded: 06 Aug 2026

What is the term for genetically identical offspring produced through asexual reproduction?

  • A Hybrids
  • B Mutants
  • C Clones
  • D Variants
202
Medium pms Uploaded: 06 Aug 2026

What is the term for the variety of life in a particular habitat?

  • A Population
  • B Ecosystem
  • C Community
  • D Biodiversity
203
Hard css fpsc Uploaded: 14 Jul 2026

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

  • A Transformation
  • B Transduction
  • C Conjugation
  • D Replication
204
Medium css fpsc ppsc Uploaded: 14 Jul 2026

What is the term for the genetic makeup of an organism?

  • A Phenotype
  • B Karyotype
  • C Genotype
  • D Genome
205
Medium css Uploaded: 06 Aug 2026

What is the term for the process by which cells divide to form gametes?

  • A Meiosis
  • B Mitosis
  • C Binary fission
  • D Budding
206
Hard css fpsc Uploaded: 05 Aug 2026

What is the role of helper T cells in coordinating the immune response?

  • A Producing antibodies directly
  • B Destroying infected cells
  • C Activating B cells and cytotoxic T cells
  • D Engulfing pathogens
207
Medium css fpsc ppsc Uploaded: 14 Jul 2026

What is the functional unit of the kidney responsible for filtration of blood?

  • A Glomerulus
  • B Loop of Henle
  • C Bowman's capsule
  • D Nephron
208
Easy css Uploaded: 06 Aug 2026

Which plant hormone is primarily responsible for stem elongation and phototropism?

  • A Cytokinin
  • B Gibberellin
  • C Ethylene
  • D Auxin
209
Medium nts Uploaded: 06 Aug 2026

Which part of the eye controls the amount of light entering it?

  • A Retina
  • B Iris
  • C Cornea
  • D Lens
210
Easy fpsc ppsc nts Uploaded: 14 Jul 2026

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

  • A Producers
  • B Decomposers
  • C Consumers
  • D Omnivores
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