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Biology MCQs

56 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 nts Uploaded: 06 Aug 2026

What is the basic structural and functional unit of life?

  • A Tissue
  • B Cell
  • C Organ
  • D Organelle
4
Easy fpsc Uploaded: 06 Aug 2026

What is the term for organisms that live inside or on another organism and cause it harm?

  • A Parasites
  • B Predators
  • C Symbionts
  • D Scavengers
5
Easy fpsc Uploaded: 06 Aug 2026

Which kingdom includes organisms like mushrooms and yeast?

  • A Plantae
  • B Fungi
  • C Animalia
  • D Protista
6
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
7
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
8
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
9
Easy pms Uploaded: 06 Aug 2026

What is the term for the smallest unit of heredity that determines a trait?

  • A Chromosome
  • B Allele
  • C Genome
  • D Gene
10
Easy nts Uploaded: 06 Aug 2026

What is the process by which plants lose water through leaves called?

  • A Transpiration
  • B Respiration
  • C Photosynthesis
  • D Osmosis
11
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
12
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
13
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
14
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
15
Easy pms Uploaded: 06 Aug 2026

Which organ produces insulin to regulate blood sugar levels?

  • A Liver
  • B Kidney
  • C Pancreas
  • D Spleen
16
Easy css Uploaded: 06 Aug 2026

Which structure connects muscles to bones in the human body?

  • A Ligament
  • B Tendon
  • C Cartilage
  • D Fascia
17
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
18
Easy pms Uploaded: 06 Aug 2026

Photosynthesis primarily occurs in which part of a plant cell?

  • A Chloroplast
  • B Mitochondria
  • C Nucleus
  • D Vacuole
19
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
20
Easy pms Uploaded: 06 Aug 2026

Which system in the human body is responsible for movement and support?

  • A Digestive system
  • B Circulatory system
  • C Nervous system
  • D Skeletal and muscular system
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