WAEC 2026 Biology Practical Questions and Answers (Specimen) – 50 Likely Questions

WAEC 2026 Biology Practical Questions and Answers (Specimen)

The WAEC 2026 Biology Practical Questions and Answers (specimen) is designed to help candidates prepare effectively for the West African Senior School Certificate Examination. This guide provides likely practical questions, clear answers, and proper specimen identification tips to boost students’ confidence and performance in the exam. Practicing these questions will expose candidates to common laboratory procedures, biological drawings, and specimen analysis expected in the WAEC Biology practical.

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WAEC 2026 Biology Practical Questions and Answers

Specimen A – Bean Seed

1. Identify Specimen A.
Answer: Bean seed

2. State the class of plant it belongs to.
Answer: Dicotyledon

3. Mention two observable features.
Answer:

• Presence of two cotyledons
• Smooth seed coat

4. State one function of the cotyledon.
Answer: Stores food for the embryo

Specimen B – Maize Grain

5. Identify Specimen B.
Answer: Maize grain

6. State its class.
Answer: Monocotyledon

7. Mention two differences between Specimen A and B.
Answer:

• A has two cotyledons, B has one
• A is a dicot, B is a monocot

8. State one economic importance.
Answer: Source of food

Specimen C – Fish

9. Identify Specimen C.
Answer: Fish

10. State its habitat.
Answer: Aquatic habitat

11. Mention two adaptive features.
Answer:

• Streamlined body
• Presence of fins

12. State one function of gills.
Answer: Respiration

Specimen D – Insect (Grasshopper)

13. Identify Specimen D.
Answer: Grasshopper

14. State its class.
Answer: Insecta

15. Mention three body parts.
Answer:

• Head
• Thorax
• Abdomen

16. State one function of hind legs.
Answer: Jumping

Specimen E – Leaf

17. Identify Specimen E.
Answer: Leaf

18. State its function.
Answer: Photosynthesis

19. Mention two parts of a leaf.
Answer:

• Lamina
• Petiole

20. State one modification of leaves.
Answer: Spines

Specimen F – Flower

21. Identify Specimen F.
Answer: Flower

22. State its function.
Answer: Reproduction

23. Mention four floral parts.
Answer:

• Sepals
• Petals
• Stamens
• Carpels

24. State one agent of pollination.
Answer: Insects

Specimen G – Mammalian Tooth

25. Identify Specimen G.
Answer: Tooth

26. State its type.
Answer: Incisor / Canine / Molar (depending on specimen)

27. Mention one function.
Answer: Cutting or grinding food

28. State one adaptation.
Answer: Sharp edge for cutting

Specimen H – Snail

29. Identify Specimen H.
Answer: Snail

30. State its habitat.
Answer: Moist terrestrial habitat

31. Mention two features.
Answer:

• Coiled shell
• Muscular foot

32. State one economic importance.
Answer: Source of protein

General Practical Questions

33. Define osmosis.
Answer: Movement of water molecules from high to low concentration through a semi-permeable membrane.

34. State one example of diffusion.
Answer: Movement of oxygen into cells

35. What is a microscope used for?
Answer: To magnify tiny objects

36. Mention two parts of a microscope.
Answer:

• Eyepiece
• Objective lens

37. State one safety rule in the laboratory.
Answer: Do not taste chemicals

38. Define photosynthesis.
Answer: Process by which green plants make food using sunlight

39. State the equation for photosynthesis.
Answer: Carbon dioxide + Water → Glucose + Oxygen

40. What is respiration?
Answer: Release of energy from food

Biological Drawing Questions

41. State two rules of biological drawing.
Answer:

• Use sharp pencil
• Avoid shading

42. What is magnification?
Answer: Enlargement of image size

Experimental Questions

43. Test for starch in a leaf.
Answer: Use iodine solution (blue-black color appears)

44. Test for protein.
Answer: Biuret test

45. Test for glucose.
Answer: Benedict’s solution (heated)

Ecology Questions

46. Define habitat.
Answer: Natural place where organisms live

47. Define population.
Answer: Group of organisms of same species

48. Mention two abiotic factors.
Answer:

• Temperature
• Light

Human Biology Questions

49. State one function of the heart.
Answer: Pumps blood

50. Mention one disease of the respiratory system.
Answer: Asthma

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