Which of the following statements about cross-breeding is not correct?
- A. the cross-bred progenies are heterzygous
- B. cross-breeding can be used to introduce new genes
- C. cross-breding is used to create new breeds of livestock
- D. the individuals used in cross-breeding have all characters in common
- E. cross-breeding is almost a routine practice of improving poultry
The importance of fish farming includes the following except
- A. supply of proteins in the diet of man
- B. boosting the economic of the country
- C. supply of vitamins in the diet of man
- D. ddischarge of waste used in the control of pond's pests
- E. provision of employment for people
Which of the following is the first operation in the establishment of a fish pond?
- A. purchasing and transportation of fingerlings
- B. construction of spill way
- C. construction of dam
- D. clearing and stumping of site
- E. fertilization of pond
Which of the following livestock parasites possesses proglottides?
- A. liver fluke
- B. roundworm
- C. tapeworm
- D. trypanosome
- E. tick
An effective way of ensuring built-in resistance to disease in calves is to
- A. vaccinatr calves at weaning
- B. allow calves access to colostrum
- C. ensure regular veterinary check-up
- D. observe proper quarantine
- E. give balance ration
The most important source of carbohydrate in livestock feed is
- A. maize
- B. guinea corn
- C. sorghum
- D. rice bran
- E. wheat bran
Which of the following husbandry practices is not carried out in pig farming?
- A. castration of excess males
- B. application of iron supplements
- C. numbering by ear notching or tattooing
- D. shearing of hairs of the skin
- E. dipping or spraying of animals
Which of the following will not be an effect of excessive amount of water content in feeds?
- A. decrease in nutritive value
- B. formation of toxic products
- C. encouraging growyh of moulds
- D. stimulating fermentation
- E. improving quality of such feeds
A livestock farmer was instructed to mix 1 litre of acaricide with 175 litres of water. calculate the amount of water he needs to mix 20 litres of acaricides
- A. 20 litres
- B. 175 litres
- C. 195 litres
- D. 1750 litres
- E. 3500 litres
The breed of goat popularly kept mainly for its skin is
- A. kano brown
- B. bornu red
- C. sokoto red
- D. dwarf goat
- E. bauchi type
The humpless breed of cattle which also possess short horns is
- A. gudali
- B. shuwa arab
- C. white fulani
- D. red bororo
- E. muturu
One of the peculiarities of the intestine tract of a fowl is the possession of
- A. cloaca
- B. stomach
- C. oesophageal groove
- D. large intestine
- E. ileum
The blind sacs at the junction of the small and large intestines of a fowl are called
- A. gizzard
- B. appendix
- C. ileum
- D. colons
- E. caeca
Which of the following structures does not serve a protective function?
- A. hoof
- B. skin
- C. feathers
- D. bone
- E. hair
A great disadvantage of introduction as a method of crop improvement is the
- A. adaptation of introduced crop to a new area of cultivation
- B. usefulness of an introduced crop as basis for a breeding programme
- C. incorporation of the desirable characteristics of the introduced crop into the local corp
- D. introduction of a new type of disease into a new area of cultivation
- E. integration of the introduced variety into the agricultural production of a new area
The chromosomes in a cell are located in the
- A. cell wall
- B. golgi body
- C. vacuole
- D. nucleus
- E. mitochondrion
The aims of crop improvement include the following except
- A. increasing yields
- B. meeting particular needs of growers
- C. meeting the needs of consumers
- D. adapting to climatic conditions
- E. reducing demand for a particular type of crop
Biological control of insect pests of crops can best be carried out through
- A. crop rotation
- B. use of parasites and predators
- C. soil fumigation
- D. farm sanitation
- E. use of resistance varieties
Which of the following diseases of crops is not caused by a fungus?
- A. panama disease of banana
- B. smut of rice
- C. mould of stored grain
- D. streak of maize
- E. black pod isease of cocoa
Rice blast is caused by
- A. a bacterium
- B. a nematode
- C. a virus
- D. a fungus
- E. an insect
A common disease of onion is
- A. leaf spot
- B. root knot
- C. leaf blight
- D. twister
- E. mosaic