Attempt this paper, then reveal the answers to mark yourself.
Section A — Objective
Answer: A. Fisheries deals with fish production; forestry with trees; agronomy with field crops; horticulture with fruits/vegetables/flowers.
Answer: A. Weathering breaks down rocks to form soil. Erosion is the removal of soil.
Answer: A. Maize is a cereal. Groundnut is a legume, cassava a root crop, and tomato a vegetable.
Answer: A. Weeding removes unwanted plants (weeds). Pruning removes branches; stumping removes tree stumps; thinning removes excess seedlings.
Answer: C. Newcastle disease affects poultry. Foot-and-mouth and rinderpest affect cattle.
Answer: A. Afforestation plants trees where none existed; reforestation replants cleared areas.
Section B — Theory
Model answer: 1. Sandy soil has large particles; clay has very small particles. 2. Sandy soil drains quickly; clay drains poorly. 3. Sandy soil holds little water/nutrients; clay holds much water/nutrients.
Model answer (any four): 1. To make tools last longer. 2. To work more efficiently. 3. To reduce replacement cost. 4. To prevent accidents. 5. To prevent rusting.
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