Theory question 101
Farm Animals and Their Importance(a)(i) Draw and label four parts of a land snail. (ii) State four features of a good housing unit for rearing snails. (iii) Name three predators of land snail. (b) Mention three insect pests of sheep. (c) State four ways in which the productivity of farm animals could be enhanced.
Show the model answer
(a)(i) A neat drawing of a land snail with any four labels: shell; whorl/spire; foot; head; tentacles (long, with eyes; short); mouth; mantle; pneumostome (breathing pore)
(ii) Any four: shaded and cool; damp/humid environment; soft, loamy, well-drained soil; escape-proof walls/netting; protected from predators; well ventilated; easy to clean; separate pens for adults and young
(iii) Any three: rats/rodents; snakes; frogs/toads; lizards; birds (crows, hawks); ants; beetles; millipedes; humans
(b) Any three: lice; keds; blowflies (wool maggots); nasal botfly; biting flies; tsetse fly; mosquitoes
(c) Any four: use improved breeds/crossbreeding/AI; balanced feeding; good disease and parasite control; good housing and sanitation; adequate water; culling unproductive animals; good record keeping; quarantine new stock
Your drawing should be large with clear label lines.