(a) (i) Explain the term agglutination as used in blood transfusion.
(ii) The table below represents blood transfusion between blood donors and recipients.
(b) Explain how each of the following organisms are adapted for obtaining food.
(i) Mosquito larva
(ii) Dodder plant
(iii) Grasshopper
(ii) The table below represents blood transfusion between blood donors and recipients.
| A | B | AB | O | |
| A | ||||
| B | ||||
| AB | ||||
| O | + |
(b) Explain how each of the following organisms are adapted for obtaining food.
(i) Mosquito larva
(ii) Dodder plant
(iii) Grasshopper
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
Correct Answer: Option n
Explanation:
(a)(i) Agglutination;
The clumping together; of antigens or red blood cells/RBC; with the corresponding antibodies in the plasma; of incompatible blood groups/wrong blood group.
(ii)
(b) How each of the following organisms are adapted for obtaining food
(i) Mosquito larva - Possess a pair of ciliated mouth brushes; for creating water current to carry water with food particle into the mouth; - Its mouth brushes; filter food out of water and sweep it into the mouth.
(ii) Dodder plant - Possess haustoria; for penetrating host plant tissue to obtain food/water
(iii) Grasshopper
Possess mandibles/heavy toothed jaw-like structures; for cutting/crushing food/plant materials/vegetation
Possess maxillae; for directing food to mandibles/cutting/grinding food
Labrun; for holding food/ plant materials/vegetation
Labium; for guiding foods/prevent it from falling off.
(a)(i) Agglutination;
The clumping together; of antigens or red blood cells/RBC; with the corresponding antibodies in the plasma; of incompatible blood groups/wrong blood group.
(ii)
| A | B | AB | O | |
| A | ||||
| B | ||||
| AB | ||||
| O |
(b) How each of the following organisms are adapted for obtaining food
(i) Mosquito larva - Possess a pair of ciliated mouth brushes; for creating water current to carry water with food particle into the mouth; - Its mouth brushes; filter food out of water and sweep it into the mouth.
(ii) Dodder plant - Possess haustoria; for penetrating host plant tissue to obtain food/water
(iii) Grasshopper
Possess mandibles/heavy toothed jaw-like structures; for cutting/crushing food/plant materials/vegetation
Possess maxillae; for directing food to mandibles/cutting/grinding food
Labrun; for holding food/ plant materials/vegetation
Labium; for guiding foods/prevent it from falling off.