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Biology MCQs

124 Questions Subject Test
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Cell BiologyHuman PhysiologyGeneticsEcology
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1
Medium fpsc ppsc nts Uploaded: 14 Jul 2026

Which part of the human brain is responsible for voluntary movement and higher cognitive functions?

  • A Cerebellum
  • B Medulla oblongata
  • C Cerebrum
  • D Hypothalamus
2
Medium ppsc Uploaded: 06 Aug 2026

Which gland is known as the master gland of the endocrine system?

  • A Thyroid
  • B Adrenal
  • C Pancreas
  • D Pituitary
3
Medium fpsc ppsc nts Uploaded: 14 Jul 2026

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

  • A Pyramid of biomass
  • B Trophic level
  • C Food web
  • D Food chain
4
Medium fpsc ppsc nts Uploaded: 14 Jul 2026

Which type of cell division produces gametes with half the chromosome number?

  • A Budding
  • B Meiosis
  • C Mitosis
  • D Binary fission
5
Easy ppsc Uploaded: 06 Aug 2026

What is the term for the exchange of genetic material between homologous chromosomes?

  • A Crossing over
  • B Mutation
  • C Duplication
  • D Translocation
6
Medium fpsc ppsc nts Uploaded: 14 Jul 2026

What term describes the specific molecule an enzyme acts upon?

  • A Substrate
  • B Product
  • C Cofactor
  • D Coenzyme
7
Medium css fpsc ppsc Uploaded: 14 Jul 2026

What is the process by which white blood cells engulf and digest bacteria and foreign particles?

  • A Phagocytosis
  • B Endocytosis
  • C Osmosis
  • D Pinocytosis
8
Medium ppsc Uploaded: 06 Aug 2026

Which organ in the human body is primarily responsible for detoxifying harmful substances?

  • A Kidney
  • B Spleen
  • C Pancreas
  • D Liver
9
Medium css fpsc ppsc Uploaded: 14 Jul 2026

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

  • A Phagocytosis
  • B Osmosis
  • C Diffusion
  • D Pinocytosis
10
Easy ppsc nts Uploaded: 14 Jul 2026

What is the largest organ in the human body?

  • A Skin
  • B Liver
  • C Lungs
  • D Heart
11
Medium fpsc ppsc nts Uploaded: 14 Jul 2026

What is the term for the movement of water from a region of high water concentration to low concentration through a semipermeable membrane?

  • A Diffusion
  • B Osmosis
  • C Active transport
  • D Endocytosis
12
Hard css fpsc ppsc Uploaded: 14 Jul 2026

What is the broadest level of biological classification?

  • A Domain
  • B Order
  • C Family
  • D Kingdom
13
Medium fpsc ppsc nts Uploaded: 14 Jul 2026

Which hormone regulates blood glucose levels by promoting its uptake by cells?

  • A Glucagon
  • B Adrenaline
  • C Thyroxine
  • D Insulin
14
Medium css fpsc ppsc Uploaded: 14 Jul 2026

Which process copies DNA information into mRNA in the nucleus?

  • A Translation
  • B Replication
  • C Transduction
  • D Transcription
15
Easy fpsc ppsc nts Uploaded: 14 Jul 2026

What is the process by which organisms break down glucose to release energy?

  • A Digestion
  • B Photosynthesis
  • C Cellular respiration
  • D Transpiration
16
Easy ppsc Uploaded: 06 Aug 2026

Which stage of mitosis involves chromosomes aligning at the cell's equator?

  • A Prophase
  • B Metaphase
  • C Anaphase
  • D Telophase
17
Easy fpsc ppsc nts Uploaded: 14 Jul 2026

Which gas is released by plants as a byproduct of photosynthesis?

  • A Carbon dioxide
  • B Nitrogen
  • C Oxygen
  • D Water vapour
18
Medium fpsc ppsc nts Uploaded: 14 Jul 2026

What is the deficiency disease caused by lack of Vitamin D in children?

  • A Scurvy
  • B Rickets
  • C Beriberi
  • D Pellagra
19
Medium ppsc Uploaded: 06 Aug 2026

What is the term for the specialized cells that transmit electrical impulses in the nervous system?

  • A Muscle cells
  • B Epithelial cells
  • C Blood cells
  • D Neurons
20
Medium css fpsc ppsc Uploaded: 14 Jul 2026

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

  • A Genetic diversity
  • B Species diversity
  • C Ecosystem diversity
  • D Biodiversity
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