The practice of mating closely-related animals is called
- A. pen mating
- B. cross breeding
- C. out breeding
- D. in breeding
Which of the following fishing gears can be used for total harvesting of ponds?
- A. hook and line
- B. harpoon
- C. basket trap
- D. dragnet
Methods of preserving fish include the following except
- A. boiling
- B. drying
- C. smoking
- D. salting
Heavy infestation of liver fluke causes poor absorption of fats in livestock by
- A. blocking bile ducts thus preventng flow of bile
- B. destroying fat-digesting enzymes
- C. reducing ingestion of fats
- D. inhibiting the action of the digestive enzymes
Which of the following is not a symptom of foot and mouth disease of cattle?
- A. excessive production of saliva
- B. sores on fet and tounge
- C. lameness
- D. blood stained diarrhoea
Miracidium is one of the stages in the life cycle of
- A. roundworm
- B. tapeworm
- C. liver fluke
- D. tick
Which of the following is not a method of improving rangeland?
- A. practising continous grazing
- B. routine and regular weeding
- C. routine reseeding
- D. regular application of fertilizer
If 200 layers will consume 25kg of feed per day, calculate the amount of feed consumed by a layer per day.
- A. 0.25kg/day
- B. 0.25kg/day
- C. 0.5kg/day
- D. 1.25kg/day
Layers ration contains more limestone than growers ration because limestone
- A. is difficult for the growers to digest
- B. stimulate layers appetite
- C. reduces the acidity in the gut of growers
- D. supplies sufficient minerals to layers for shell formation
An advantage of extensive system of rearing goats is
- A. low labour requirement
- B. easy control of disease
- C. indiscriminate mating
- D. exposure to adverse weather conditions
The hormone responsible for milk let down in female farm animals is
- A. testosterone
- B. follicle stimulting hormone
- C. oxytocin
- D. androgen
Gestation period is defined as the time
- A. of fusion of the sperm and the egg
- B. between conception and parturition
- C. of release of ovum from the ovary
- D. of the birth of the young animal
A condition which a gene does manifest observation characteristics in the presence of its dominant allele is known as
- A. dominance
- B. mutation
- C. recessiveness
- D. homozygosity
The correct sequence in the processes of crop improvement is
- A. introduction-slection-breeding
- B. breeding-selection-intruduction
- C. breeding-introduction-selection
- D. introduction-breeding-selection
The characteristic symptoms of mosaic disease of crops is usually observed on
- A. roots
- B. leaves
- C. stems
- D. fruits
Which of the following weeds is dispersed by wind?
- A. pig weed (boerhavia diffusa)
- B. goat weed (ageratum conizoides)
- C. hausa throns (acanthospermum hispidum)
- D. tridax (tridax procumbens)
Gummosis disease of citrus is caused by
- A. aphids
- B. fungi
- C. white flies
- D. bacteria
Callosobruchus maculatus is a common pest of
- A. maize
- B. cowpea
- C. rice
- D. millet
Root-knot disease in tomatoes is caused by
- A. virus
- B. nematode
- C. bactrium
- D. fungus
The tree species commonly planted for pulpwood is
- A. gmelina
- B. cassia
- C. albizia
- D. tactona