Which of the following methods would quickly provide a large harvest of oranges from a tree with desirable qualities?

A. planting the seeds of the plant with the desirable qualities

B. Crossing orange trees with those of desirable qualities

C. Applying special fertilizer to the other citrus trees

D. Grafting a branch from the tree with desirable qualities to the stock of other citrus trees

E. Planting the stem cuttings of the orange tree with desirable qualities

Which of the following is not an aim of improving crops?

A. producing crops which are resistant to diseases and pests

B. producing crops which are adapted to adverse weather conditions

C. increasing yield by planting high yielding and vigorous varieties

D. improving the qualities of farm produce

E. improving mechanical method of harvesting crops.

Which of the following is not a characteristic of a good pasture?

A. Ability to withstand extremes of climate and soil conditions

B. Ability to withstand competition from weeds or other forage crops

C. Ability to produce high quality fresh leaves

D. High palatability and nutritional content

E. Ability to provide mainly high quality carbohydrates.

Feed carotene is usually converted into

A. vitamin K

B. vitamin E

C. vitamin D

D. vitamin B

E. vitamin A

Which of the following is a disadvantage of battery cage?

A. High rate of egg production

B. production of eggs which cannot be hatched

C. production of eggs which do not break easily

D. regulation of feed consumption

E. carrying out culling easily.

Routine operation in cattle farming include the following except

A. dehorning

B. castration

C. identification marking

D. de-worming

E. shearing

The act of mating in chicken is known as

A. treading

B. service

C. topping

D. breeding

E. laying

Stud bull is the term used in describing

A. a castrated male cattle

B. a bull kept mainly for breeding

C. an old bull used for draft purposes

D. a bull used for artificial insemination only

E. an immature male cattle

When an animal is being fed on a ration that does not increase its value but keeps the animal in good health and constant weight, the animal is said to be on a

A. production ration

B. creep feed

C. maintenance ration

D. concentrate

E. balanced ration

The ways by which a pasture can be improved include the following except

A. over-grazing

B. weed control

C. reseeding

D. irrigation

E. fertilizer application