Most Repeated Topics in JAMB Biology Exam 2023

For many Nigerian students, the JAMB test is the most difficult one.

It is a test that determines whether you will be admitted to the tertiary institution where you want to study the subject you want to study.

Many students who are preparing for the JAMB test make the common error of ignoring the JAMB biology syllabus.

You must be aware that the key to scoring higher than 70 on the JAMB Biology test is to thoroughly study the syllabus and practice the practice questions.

The most frequent subjects in the JAMB Biology test are listed in this article.

If you have any questions or require more clarification, please let me know in the comment section. I’ll be happy to respond to you as quickly as I can.

Most Repeated Topics in JAMB Biology

The following are the JAMB biology exam’s most frequently asked questions:

  1. Ecology
    • Basic ecological concept
      • Factors affecting the distribution of organisms
      • Methods of measuring biotic and abiotic factors
    • Symbiotic interactions of plants and animals
    • Natural habitats
    • Local (Nigerian) biomes
    • The ecology of populations
    • Soil
  2. Hereditary and Variations
    • Variations in population
    • Heredity (genetics)
    • Sex determination and sex-linked characters
  3. Living organisms
    • Characteristics
    • Cell structure and functions of cell components
    • Levels of organization
  4. Evolution among organism
    • Monera
    • Protista
    • Fungi
    • Plantae
    • Animalia
  5. Structure and life histories of some organisms
    • Spirogyra or any green filamentous algae
    • Rhizopus mucor
    • Brachymenium and Marchantia or any other Moss/Liverworts
    • Dryopteris or Neprolepsis or any other fern
    • Flowering plants
    • Amoeba and Parameciumm
    • Tapeworm (Taenia)
  6. Common insects in our environment
    • Mosquito
    • Cockroach
    • Housefly
    • Termite
  7. Vertebrates
    • Bony fish
    • Toad
    • Lizard
    • Bird
    • Small mammal
  8. The internal structure of an organism
    • Flowering plants (roots, stems, and leaves)
    • Mammals
  9. Nutrition
    • Modes of nutrition
    • Plant Nutrition
    • Animal nutrition
  10. Transport
    • Need for transport
    • Mammalian circulation system
    • Plant vascular system
    • Media, process, and mechanism of transport
  11. Respiration
    • Outline of the process and its significance
    • Respiratory organs and surfaces
    • Mechanism of gaseous exchange
    • Aerobic respiration
    • Anaerobic respiration
  12. Excretion
    • Types of excretory structures
    • Excretory mechanism
    • Excretory products of plants and animals
  13. Support and Movement
    • Supporting tissues in plants
    • Movement in plants
    • Supporting tissues in animals
    • Types and functions of the skeleton
  14. Reproduction
    • Asexual reproduction
    • Sexual reproduction
    • Sexual reproduction in flowering plants
    • Reproduction in mammals
    • Courtship behaviour
  15. Growth
    • Meaning of growth
    • Growth in plants and animals
    • Germination of seeds
  16. Coordination and Control
    • Nervous coordination
    • Sense organs
    • Hormones
    • Homeostasis
  17. Humans and their Environment
    • Diseases
    • Pollution and its control
    • Conservation of natural resources
  18. Adaptation for Survival
    • Structural adaptation
    • Adaptive colouration and its function
    • Behaviour adaptation in social animals
  19. Evolution
    • Structural adaptation
    • Adaptive colouration and its function
    • Behavioural adaptation in social animals
    • Types of evolution
    • Evidences of evolution
    • Patterns of evolution
    • Forms of evolution

JAMB Biology Syllabus

Here is the list of the JAMB syllabus for Biology;


  • Factors Affecting the Distribution of Organisms
  • Local (Nigerian) Biomes
  • Natural Habitats
  • Soil
  • Conservation of Natural Resources
  • Diseases
  • Game Reserves and Natural Parks
  • Population and Its Control
  • Energy Flow in The Ecosystem
  • Nutrient Cycling in Nature
  • Symbiotic Interactions of Plants
  • Adaptation for Survival
  • Ecological Succession
  • Factors Affecting Population Sizes
  • Population Density and Overcrowding


  • Evidence of Evolution
  • Theories of Evolution

Form and Functions

  • Growth
  • Internal Structure of a Flowering Plant
  • Internal Structure of a Mammal
  • Homeostatsis
  • Hormonal Control
  • Nervous Co-Ordination
  • The Sense Organs
  • Excretory Mechanisms
  • Excretory Products of Plants
  • Types of Excretory Structures
  • Animal Nutrition
  • Modes of Nutrition
  • Plant Nutrition
  • Types of Nutrition
  • Asexual Reproduction
  • Reproduction in Mammals
  • Sexual Reproduction in Flowering Plants
  • Aerobic Respiration
  • Anaerobic Respiration
  • Respiration
  • Respiratory Organs and Surfaces
  • The Mechanism of Gaseous Exchange
  • Support and Movement
  • Supporting Tissues in Animals
  • Tropic, Tactic, Nastic and Sleep Movements in Plants
  • Types and Functions of the Skeleton
  • Channels for Transportation
  • Materials for Transportation
  • Media and Processes of Mechanism for Transportation
  • Need for Transportation

Heredity and Variations

  • Heredity
  • Application of Discontinuous Variation in Crime Detection, Blood Transfusion and Determination of Paternity
  • Morphological Variations in The Physical Appearance of Individuals
  • Physiological Variation

Variety of Organisms

  • Adaptive Coloration and Its Functions
  • Behavioural Adaptations in Social Animals
  • Evolution Among the Following
  • Living Organisms
  • Structural Adaptations in Organisms
  • Structural/Functional and Behavioral Adaptations of Organisms

JAMB Recommended Textbooks for Biology

  • Ndu, F.O. C. Ndu, Abun A. and Aina J.O. (2001) Senior Secondary School Biology: Books 1 -3, Lagos: Longman.
  • Odunfa, S.A. (2001) Essential of Biology, Ibadan: Heinemann.
  • Ogunniyi M.B. Adebisi A.A. and Okojie J.A. (2000) Biology for Senior Secondary Schools: Books 1 – 3, Macmillan.
  • Ramalingam, S.T. (2005) Modern Biology, SS Science Series. New Edition, AFP
  • Stan. (2004) Biology for Senior Secondary Schools. Revised Edition, Ibadan: Heinemann
  • Stone R.H. and Cozens, A.B.C. (1982) Biology for West African Schools. Longman
  • Usua, E.J. (1997) Handbook of practical Biology 2nd Edition, University Press, Limited


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