Form Two Mock Biology Examination 2026: Complete Questions, Answers & Revision Guide (O-Level)

Download Form Two Mock Biology Examination 2026 with full questions, answers, diagrams, and revision guide for secondary school students preparing for exams.





🧪 FORM TWO MOCK EXAMINATION

BIOLOGY PAPER

Time: 2:00 Hours


SECTION A: OBJECTIVES (20 Marks)

Answer all questions by choosing the correct answer

  1. The basic unit of life is:
    A. Tissue
    B. Cell
    C. Organ
    D. System

  2. The organelle responsible for photosynthesis is:
    A. Nucleus
    B. Mitochondria
    C. Chloroplast
    D. Ribosome

  3. Which of the following is a living thing?
    A. Stone
    B. Water
    C. Bacteria
    D. Soil

  4. The process of taking in oxygen is called:
    A. Exhalation
    B. Respiration
    C. Inspiration
    D. Digestion

  5. Animals that feed on both plants and meat are called:
    A. Herbivores
    B. Carnivores
    C. Omnivores
    D. Decomposers

  6. The function of red blood cells is to:
    A. Fight diseases
    B. Carry oxygen
    C. Clot blood
    D. Produce hormones

  7. The main excretory organ in humans is:
    A. Liver
    B. Kidney
    C. Heart
    D. Lung

  8. The cell membrane is:
    A. Fully permeable
    B. Selectively permeable
    C. Non-permeable
    D. Rigid

  9. Which disease is caused by a virus?
    A. Malaria
    B. Cholera
    C. HIV/AIDS
    D. Typhoid

  10. The energy currency of the cell is:
    A. DNA
    B. ATP
    C. RNA
    D. Glucose


SECTION B: SHORT ANSWERS (30 Marks)

Answer all questions

  1. Define the term “Biology”.
  2. State two functions of the cell membrane.
  3. Mention three types of nutrition.
  4. List two differences between plants and animals.
  5. Define photosynthesis.
  6. Name two components of blood.
  7. State three symptoms of malaria.
  8. Explain briefly the term “respiration”.
  9. Mention two causes of water pollution.
  10. State two functions of roots in plants.

SECTION C: LONG ANSWERS (50 Marks)

Answer all questions

  1. (a) Explain the structure of a plant cell.
    (b) State five differences between plant and animal cells.

  1. (a) Describe the process of photosynthesis.
    (b) Write the word equation for photosynthesis.

  1. (a) Explain the human digestive system.
    (b) State five functions of the digestive system.

  1. (a) Define disease.
    (b) Explain five ways of preventing communicable diseases.

📌 BONUS (Revision Tip)

  • Cell = basic unit of life
  • Photosynthesis = plants making food
  • Kidney = excretion
  • ATP = energy in cells



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