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Biology

Cells, nutrition, transport, ecology and inheritance through explained questions.

  1. 01

    Cells, specialisation and membrane transport

    Identify cell structures and distinguish diffusion, osmosis and active transport.

    35 min

  2. 02

    Photosynthesis and human nutrition

    Explain food production, digestion and nutrient absorption.

    46 min

  3. 03

    Transport and gas exchange

    Connect exchange surfaces with circulation and plant transport tissues.

    40 min

  4. 04

    Ecology, food webs and nutrient cycles

    Distinguish ecological levels and trace energy and matter.

    36 min

  5. 05

    Inheritance, cell division and variation

    Use simple genetic crosses and explain variation accurately.

    35 min

  6. 06

    Classification, diversity and life histories

    Use observable features to classify organisms and explain major differences in their organisation.

    35 min

  7. 07

    Respiration, energy transfer and exercise

    Distinguish breathing from cellular respiration and explain aerobic and anaerobic energy transfer.

    35 min

  8. 08

    Excretion, kidneys and homeostasis

    Explain metabolic waste removal and how negative feedback keeps internal conditions within useful ranges.

    35 min

  9. 09

    Support, skeletons and movement

    Relate plant support tissues, animal skeletons and antagonistic muscles to their functions.

    35 min

  10. 10

    Coordination, senses and plant responses

    Follow stimulus-response pathways and compare nervous, hormonal and plant growth responses.

    37 min

  11. 11

    Reproduction, development and growth

    Compare reproductive strategies and follow plant and mammalian development from gametes to growth.

    35 min

  12. 12

    Evolution, adaptation and natural selection

    Explain population change using variation, inheritance and differences in reproductive success.

    37 min

  13. 13

    Microorganisms, immunity and community health

    Distinguish pathogens from vectors and connect transmission routes with biological prevention principles.

    42 min

  14. 14

    Biological observation, diagrams and investigations

    Plan fair investigations, handle measurements and present biological observations clearly.

    35 min

  15. 15

    Habitats, Nigerian biomes, soils and populations

    Explain ecological distributions through environmental factors, soil conditions and population processes.

    35 min

  16. 16

    Biotechnology, breeding and biosafety

    Explain traditional and modern applications of biological systems while weighing evidence and limits.

    35 min

Expanded original revision units covering major syllabus domains. Current examination-specific objective mapping, specialist sign-off, full practical work and prescribed regional case studies still require review. This is not an official or certified complete examination course.