A common means of aerating a fish pond is by stirring the water and
- A. removing dead and decaying matter
- B. adding water plants
- C. adding cold water
- D. pumping oxygen into the water
The most effective method of controlling ectoparasites in farm animals is by regular
- A. exposure of animals to sunlight
- B. dipping of animals in a solution of pesticides
- C. hand-picking of ectoparasites
- D. isolation of infested animals
Which of the following livestock endoparasites is a hermaphrodite?
- A. liverfluke
- B. trypanosome
- C. tapeworm
- D. roundworm
The purpose of vaccination is to
- A. treat parasites infestation
- B. prevent disease infection
- C. control parasites
- D. treat diseases
An animal infected by trypanosomiasis usually develops
- A. bloat and diarhoea
- B. sore legs and running nose
- C. anaemia and swollen lymph gland
- D. swollen legs and constipation
A protozoon organism causes
- A. coccidiosis
- B. anthrax
- C. rinderpest
- D. apergillosis
The following are signs of ill-health in farm animals except
- A. watery faeces
- B. bright eyes
- C. loss of appetite
- D. nasal discharge
Mastitis is a disease which affects the
- A. scrotum
- B. udder
- C. dewlap
- D. hump
An indication that chicks are comfortable in a brooder is that they
- A. move away from the source of heat
- B. pant and sit with their mouths open
- C. spread themselves uniformly under the hover
- D. huddle together
When an animal eats wood and licks iron railing instead of the diet given to it, it is likely that the
- A. animal is on heat
- B. amnient temperature is too high
- C. diet is deficient in essential elements
- D. animal has a pathological disease problem
Which of the following feedstuffs does not contain phosphorous?
- A. blood meal
- B. limestone
- C. fish meal
- D. oyster shell
The most important reason for low livestock population in the rain forest zone is the
- A. fast rate at which pasture crops become fibrous
- B. shortage of forage crops during the long dry season
- C. growth and proliferation of pathogens
- D. thick vegetation cover which impedes animal movement
An accessory sex gland in a bull is
- A. prostate gland
- B. pituitary gland
- C. thyroid gland
- D. pancreatic gland
Mulching
- A. reduces evaporation of soil water
- B. increases soil acidity
- C. prevents seedling diseases
- D. improves soil texture
When a farmland is heavily infested with striga, it may be concluded that the farmland
- A. is undergoing drainage
- B. had not ben regularly irrigated
- C. may have been used for growing guinea corn
- D. may have been used for cowpea production
Weed plants which grow on other plants without deriving nutrients from them are called
- A. sedged
- B. epiphytes
- C. decomposers
- D. saprophytes
The following problems are likely to be caused by insects except
- A. loss of leaves of crop plants
- B. rottening of cobs in storage
- C. transmission of viral diseases
- D. reduction of grains in storage to powder
Viral diseases of crop plants are best controlled by
- A. planting resistant varieties
- B. applying fungicides
- C. aplying insecticides
- D. flooding farmlands
Most viral diseases of plants are transmitted by
- A. wind
- B. rain
- C. insects
- D. rodents
Streak disease of crop commonly attacks
- A. millet
- B. sorghum
- C. maize
- D. rice
Selective exploitation means felling trees of
- A. different ages and girths
- B. specific ages and girths
- C. different girths and same species
- D. different girths and different species