Agric Science

31. The hormone that is responsible for female secondary sex characteristics is called
A. progesterone
B. relaxin
C. Testosterone
D. oestrogen

32. Incubators are used to ______
A. hatch eggs
B. provide heat for chicks
C. stimulate chicks growth
D. Store eggs

33. The most common feature of nomadic agriculture is _____
A. bush fallowing
B. the primitive husbandry of crops
C. the growing of crops and rearing of animals
D. the unsettled husbandry of animals

34. Which of these is not an animal disease?
A. Cocidiosis
B. Newcastle disease
C. Rinderpest
D. Dumping off

35. The most important reason for grouping cattle, sheep and goats together in the study
of farm animals is that they
A. are work animals
B. are viviparous animals
C. are ruminants
D. eat grass

36. Roughage fed to farm animals is characterized by a very high content of ____
A. Fibre
B. protein
C. fat
D. antibodies

37. How would you ensure a much faster growth rate for the chicks that are being
prepared for market
A. by increasing the quantity of oyster shell in the feed
B. by adding a lot of bone meal to their feed
C. by increasing the cereal content of their feed
D. by feeding them on fish meal as a supplement to the normal feed.

38. The vector for nagana disease in cattle is ______
A. the tick
B. the tsetse fly
C. the roundworm
D. lice

39. One of the common features of free-range systems of poultry-keeping is that
A. egg production from birds is low
B. they involve a high capital input
C. the birds are free from poultry diseases
D. the eggs produced are usually of extra-large grade

40. A livestock farmer intends to improve his breeds of cattle. Which of the following
should he adopt to achieve his objective?
A. Crossing, Flushing and creep feeding
B. introduction, adlib, feeding and flushing
C. cross breeding, branding and creep feeding
D. introduction, selection and breeding.

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