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Agricultural Science
WAEC 1992
Agricultural Science 1992 WAEC Past Questions
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31
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
View Answer & Discuss
WAEC 1992
32
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.
View Answer & Discuss
WAEC 1992
33
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.
View Answer & Discuss
WAEC 1992
34
Feed carotene is usually converted into
A.
vitamin K
B.
vitamin E
C.
vitamin D
D.
vitamin B
E.
vitamin A
View Answer & Discuss
WAEC 1992
35
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.
View Answer & Discuss
WAEC 1992
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