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Biology MCQs

35 Questions Subject Test
Subject Preparation Guide

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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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1
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
2
Easy ppsc nts Uploaded: 14 Jul 2026

What is the largest organ in the human body?

  • A Skin
  • B Liver
  • C Lungs
  • D Heart
3
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
4
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
5
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
6
Easy fpsc ppsc nts Uploaded: 14 Jul 2026

What is the basic structural and functional unit of all living organisms?

  • A Tissue
  • B Organ
  • C Nucleus
  • D Cell
7
Easy fpsc ppsc nts Uploaded: 14 Jul 2026

Which type of disease is caused by a deficiency of essential nutrients in the diet?

  • A Communicable disease
  • B Hereditary disease
  • C Autoimmune disease
  • D Deficiency disease
8
Easy fpsc ppsc nts Uploaded: 14 Jul 2026

What is the name of the pigment in red blood cells that carries oxygen?

  • A Melanin
  • B Chlorophyll
  • C Haemoglobin
  • D Myoglobin
9
Easy ppsc Uploaded: 06 Aug 2026

Which human body system removes metabolic waste products from the blood?

  • A Digestive system
  • B Respiratory system
  • C Excretory system
  • D Muscular system
10
Easy ppsc Uploaded: 06 Aug 2026

Which human body system is responsible for producing hormones?

  • A Nervous system
  • B Skeletal system
  • C Endocrine system
  • D Muscular system
11
Easy ppsc nts Uploaded: 14 Jul 2026

What is the term for the movement of populations of organisms from one region to another seasonally?

  • A Migration
  • B Hibernation
  • C Aestivation
  • D Dormancy
12
Easy fpsc ppsc nts Uploaded: 14 Jul 2026

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

  • A Pyramid of numbers
  • B Ecological niche
  • C Trophic level
  • D Food chain
13
Easy ppsc Uploaded: 06 Aug 2026

Which structure allows gas exchange in plant leaves?

  • A Xylem
  • B Phloem
  • C Cuticle
  • D Stomata
14
Easy fpsc ppsc nts Uploaded: 14 Jul 2026

What is the process by which cells divide to produce two identical daughter cells?

  • A Meiosis
  • B Binary fission
  • C Mitosis
  • D Budding
15
Easy ppsc nts Uploaded: 14 Jul 2026

Which organ in the human body is responsible for pumping blood throughout the body?

  • A Heart
  • B Lungs
  • C Liver
  • D Kidney
16
Easy ppsc Uploaded: 06 Aug 2026

Which scientist is credited with discovering the cell using a microscope?

  • A Robert Hooke
  • B Charles Darwin
  • C Gregor Mendel
  • D Louis Pasteur
17
Easy fpsc ppsc nts Uploaded: 14 Jul 2026

Which pigment in plants absorbs sunlight for photosynthesis?

  • A Chlorophyll
  • B Melanin
  • C Haemoglobin
  • D Keratin
18
Easy fpsc ppsc nts Uploaded: 14 Jul 2026

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

  • A Budding
  • B Binary fission
  • C Fragmentation
  • D Sporulation
19
Easy fpsc ppsc nts Uploaded: 14 Jul 2026

Which scientist is known as the Father of Biology?

  • A Charles Darwin
  • B Gregor Mendel
  • C Aristotle
  • D Louis Pasteur
20
Easy ppsc Uploaded: 06 Aug 2026

Which process describes the movement of water across a semipermeable membrane?

  • A Diffusion
  • B Osmosis
  • C Active transport
  • D Filtration
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