Temperature is an important factor in fish ponds because it
- A. affects the metabolic processes in fish
- B. determines the sex of fishes
- C. encourages the growth of phytoplanktons
- D. affects the type of specie of fish
A farmer noticed that one of his cows has high fever, blood-stained diarrhoea and often grinds its teeth. This shows that the cow is infected by
- A. rinderpest
- B. anthrax
- C. brucellosis
- D. aspergilosis
Liverfluke infestation causes disturbance in lipid digestion because it
- A. blocks the passage of fat to intestine
- B. blocks the bile duct and reduces secretion of bile
- C. destroys the lipase enzyme
- D. prevents fat excretion
Which of the following practices is not a method of improving rangeland?
- A. rotational grazing
- B. reseeding of depleted forage species
- C. removal of weeds
- D. use of inorganic fertilizers
Livestock are said to feed on the range when they eat
- A. fresh herbage at the milking parlour
- B. fresh herbage directly from the pasture
- C. harvested herbage in a stall
- D. preserved herbage in the form of silage
When birds are fed on a ratio deficient in riboflavin,which of the following symptoms will they show?
- A. night blindness
- B. cataract
- C. curled-toe paralysis
- D. scurvy
If feed efficiency for egg production is defined as feed consumed per 10 eggs, what will be the feed efficiency for a layer that laid 230 eggs and consumed 26kg feed?
- A. 0.88
- B. 1.13
- C. 1.76
- D. 2.23
The rabbit is able to utilize forage because
- A. it has an enlarged caecum that digests fibre
- B. the small intestine is rich in microbes
- C. the mouth has large molars for grinding
- D. the length of the gut is relatively short
Fertile eggs will be produced by breeders if the
- A. laying units are illuminated
- B. cocks are always kept with the hens
- C. hens are not allowed to brood
- D. eggs collected are kept at the correct temperature
The milk collection vessel of the mammary gland is the
- A. alveolus
- B. gland cistern
- C. teat
- D. streak canal
The following are examples of natural mating methods except
- A. pen mating
- B. flock mating
- C. hand mating
- D. block mating
Birds store food in the
- A. crop
- B. gizzard
- C. proventriculus
- D. cloaca
A developing embryo derives its nutrition from the mother
- A. through the blood vessels located in the placenta
- B. by sucking the mammary glands
- C. by direct diffusion through the blood vessels in the liver
- D. through the blood vessels located in the intestine of the mother
The milk secreting organ in cattle is the
- A. dewlap
- B. udder
- C. comb
- D. muzzle
Determine the number of bottles of a herbicide required to spray 25 hectares of farmland, if one bottle is needed to prepare 100 litres and the diluted product product is applied at a rate of 20 litres per hectare.
- A. 2 bottles
- B. 5 bottles
- C. 8 bottles
- D. 11 bottles
Which of the following combinations of practices best controls groundnut rosette disease?
- A. late planting and spraying of insecticide
- B. early planting and spraying of nematicide
- C. late planting and spraying of fungicide
- D. early planting and spraying of insecticide
Which of the following pesticides effectively control maize stem borers?
- A. systematic insecticides
- B. contact poisons
- C. nematicides
- D. fumigants
Which of the following insect pests causes defoliation in crops?
- A. mirid
- B. grasshopper
- C. weevil
- D. aphid
Floriculture is a subdivision of horticulture which deals with the cultivation of
- A. fruit crops
- B. vegetables
- C. ornamental plants
- D. spices
The benefits of establishing forests do not include
- A. derivation of medicine
- B. provision of food
- C. improvement of micro-climate
- D. shading of crops
Which of the following characteristics is not true of a good pasture crop?
- A. high palatability
- B. high nutritive value
- C. resistance to trampling
- D. poor digestibility