Theory question 105
Ornamental Plants(a) State four ways in which ornamental plants are important.
(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.
Show the model answer
(a) Any four: beautify homes, offices and roads; shade; windbreaks and hedges; check erosion; income from sale of flowers/seedlings; reduce noise and dust; recreation and tourism; some are medicinal
(b)(i) Ornamental trees (any two): flamboyant (Delonix regia); Royal palm; Casuarina; Terminalia; Cassia; Ficus; Pride of Barbados
(ii) Ornamental shrubs (any two): Hibiscus; Bougainvillea; Ixora; Croton; Allamanda; Duranta; Acalypha
(c)(i) Pasture: an area of land covered with grasses and legumes on which livestock graze
(ii) Forage: plants or plant parts (grasses, legumes, browse) eaten by livestock, grazed or cut
(d) Any four: fix nitrogen and improve soil fertility; protein-rich food for man (pulses); protein-rich forage for livestock; cover crops checking erosion and weeds; green manure; oil (groundnut, soya bean); break pest cycles in rotation
Use real plant examples.