(a) State four ways in which ornamental plants are important. [4 marks] (b) Give two examples each of (i) ornamental trees, (ii) ornamental shrubs. (c) Expl...
Question 1 Report
(a) State four ways in which ornamental plants are important. [4 marks]
(b) Give two examples each of (i) ornamental trees, (ii) ornamental shrubs. (c) Explain the following: (i) pasture, (ii) forage. (d) State four roles of legumes in agriculture.
Answer Details
(a) Four ways ornamental plants are important
- They beautify the environment (homes, offices, gardens and streets).
- They are used for landscaping and to provide shade.
- They serve as windbreaks, hedges and boundary/screen plants.
- They are a source of income when sold and help purify the air, reducing pollution.
(b) Examples
(i) Ornamental trees: Royal palm, flamboyant (flame of the forest), frangipani.
(ii) Ornamental shrubs: Hibiscus, croton, ixora, bougainvillea.
(c) Explanations
(i) Pasture: Land covered with grasses and/or herbaceous legumes that is grazed directly by livestock, or the herbage itself grown for grazing.
(ii) Forage: The vegetative parts of plants (grasses and legumes) that are eaten by livestock, either grazed fresh in the field or cut and served as hay or silage.
(d) Four roles of legumes in agriculture
- They fix atmospheric nitrogen through root nodule bacteria (Rhizobium), enriching the soil.
- They serve as cover crops that protect the soil from erosion and conserve moisture.
- They provide high-protein food for humans and fodder for livestock.
- They add organic matter (green manure) that improves soil structure and fertility.
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