2025 WASSCE BIOLOGY PRACTICAL
SPECIMEN A
SPECIMEN B
SPECIMEN C
SPECIMEN D
SPECIMEN E
SPECIMEN F
SPECIMEN G
SPECIMEN H
SPECIMEN J
BEAN WEEVIL
BEAN SEEDS (WITH HOLES)
WATER LEAF PLANT (WHOLE)
QUILL FEATHER OF A DOMESTIC FOWL
PINEAPPLE FRUIT (LONGITUDINAL SECTION)
ORANGE FRUIT (TRANSVERSE SECTION)
RAW EGG OF A DOMESTIC FOWL (WITH SHELL INTACT)
TEST TUBE CONTAINING 3ML OF WATER
LONGITUDINAL SECTION OF BOILED EGG (WITH SHELL)
SAMPLE QUESTIONS AND ANSWERS
1. Identify Specimen A without reasons
Specimen A- Bean Weevil
2. State the Phylum and Class of Specimen A
Phylum- Arthropoda
Class- Insecta
3. Mention three adaptive features of Specimen A to its mode of life
i) Long rostrum for feeding
ii) Small body size for penetrating seeds
iii) Membranous wings for flying
4. Mention four economic importance of Specimen A
i) It destroys stored farm produce
ii) It causes losses to farmers
iii) It reduces viability and quality of harvested grains
iv) It serves as food for certain organisms in the ecosystem
5. Identify Specimen B
Specimen B- Bean seeds (with holes)
6. Classify Specimen B according to its lifecycle
Annual
7. State three ways by which condition of Specimen B could have been prevented
i) Storage in air-tight containers
ii) Use of fumigant or pesticides
iii) Irradiation of the seeds
8. What is the class of food that is obtained from Specimen B?
Protein
9. Identify Specimen C with three reasons
Waterleaf Plant/Talinum (whole)
Reasons
i) Broad/Spatulate leaf
ii) Succulent stem
iii) Solitary flower
10. State the Division and Class of Specimen C
Division- Angiospermatophyta
Class- Dicotyledonae
11. Mention four Observable features of biological importance in Specimen C
i) Green leaves for photosynthesis
ii) Succulent shoot system for conserving water
iii) Brightly coloured flower for pollination
iv) Tap root system for absorbing nutrient from the soil
12. Identify Specimen D with four reasons
Quill feather of a domestic fowl
Reasons
i) Stiff central shaft
ii) lnterlocking barbs with hooks
iii) Broad and flat vane
iv) Hollow and light quill
13. State Phylum and Class of the organisms from which Specimen D is obtained
Phylum- Chordata
Class- Aves
14. Give three structural features of Specimen D that are of biological importance
i) Hollow shaft for buoyancy
ii) Colour for camouflage/courtship displays
iii) Interlocking barbules for insulation
15. Make a well-labelled drawing 8-10 cm long of Specimen D
16. Mention five functions of Specimen D to the organism which possesses it
i) Flight/Flying
ii) Insulation
iii) Camouflage
iv) Courtship display
v) Protection
17. Identify Specimens E and F
Specimen E- Pineapple fruit
Specimen F- Orange fruit
18. Mention the type of fruit in Specimens E and F
Specimen E- Sorosis/ False fruit
Specimen F- Hesperidium/ True fruit
19. Mention the mode of reproduction of Specimen E
Asexual/Vegetative/Suckers
20. Classify Specimen F according to its lifecycle
Perennial
21. What type of placentation is found in Specimen F?
Axile placentation
22. Mention three economic importance of Specimen F
i) Source of antioxidants and vitamin
ii) Raw materials for industries
iii) Souce of foreign earnings through its exportation
23. Make a labelled diagram 6-8 cm long of Specimen F
24. State four observable differences between Specimens E and F
Pine apple fruit
(i) Big
(ii) Rough/Spiky skin
(iii) Fibrous pulp
(iv) Glands absent
Orange fruit
Small
Smooth/leathery skin
Succulent pulp
Glands present
25. State three observable similarities between Specimens E and F
Both possess
i) juicy pulp
ii) attractive colour
iii) pericarp/exocarp
26. Write six structural features of biological interest in Specimen G
i) Shell to prevent desiccation/dehydration
ii) Yolk to provide food/nutrient
iii) Chalaza to hold the embryo in place
iv) Air space to allow exchange of gases
v) Albumen to supply food for embryo
vi) Chorion to protect embryo/yolk sac
27. Crack Specimen G. Take little portion of the content with the syringe provided for you
and pour it into Specimen H. Add few drops of Sodium hydroxide solution and shake the
mixture. Then, add about three drops of Copper (II) Sulphate Solution slowly. Record
your test and observation in a table as shown below
Test
Portion of Specimen G +
Specimen H + Few drops of
Sodium hydroxide solution
and Shake. Add few drops
of Copper (II) Sulphate
Observation
Turns Purple or Violet
Colour
Inference
Protein is present
28. Mention three functions of Specimen H
i) It is required for metabolic activities
ii) It helps to maintain the osmotic level of biological systems
iii) It serves as solvent for most substances
29. Mention the nutrients that can obtained from Specimen J
Protein, Fat and oil, Minerals
30. Make a labelled diagram 8-10 cm long of Specimen J