WAEC - Agricultural Science (2005)
1
Inadequate food production in most developing countries is due to
2
Which of the following groups of basic amenities should be provided in rural areas foe improves agricultural productivity?
Answer(A)
water,electricity and helth care centres
3
Government laws and reforms are aimed at
Answer(A)
increasing agricultural production
4
In order to ensure that crop and animal diseases are not transferred across international boundaries, government must
Answer(C)
have and enforce quarantine services
5
The role of science and technology in the development of agriculture includes the following except
Answer(D)
setting up produce marketing boards
6
The total land area of a country available for farming depends on the
7
The scarcity of land often compels peasant farmers to practice
8
In West Africa, a greater part of the land is used for
9
A piece of land can be considered more suitable for livestock production than for crop production when it is
10
The first vegetation zone which runs across the coast of most West African countries is the
11
The most active agent of physical weathering in arid regions is
12
Soils in forest areas would normally have
13
Clay particles hold cations because they
14
Under which of the following conditions will organic matter in the soil decompose fastest?
15
Which of the following materials can be applied to the soil in order to correct yellowing of leaves?
16
One importance of cover crops is that they
17
The appropriate irrigation method for upland rice field is
18
Answer(A)
removal of excess water from the soil
19
Energy in fossil materials may be harnessed as
20
A decorticator is useful in the processing of
21
Which of the following types of survey reveals the physical features of farmlands?
22
Calculate the area of a rectangular vegetable garden measuring 100m by 26m in hectares.
23
Farm mechanization does not
Answer(D)
involve the use of only heavy machinery
24
A prolonged wet season at the early stage of growth in cotton will lead to
Answer(B)
tall plant with few bolls
25
The by-product in plant photosynthesis is
26
Which of the following reasons explain why fertilizers are added to soils?
Answer(D)
increasing the nutrient level
27
A crop which is usually propagated sexually is
28
Transplanting is best carried out in the evening because
Answer(C)
moisture losses are low during cold waether
29
Some cassava tubers are poisonous to non-ruminant because they contain
30
Which of the following factors does not affect the distribution of pasture grasses?
31
Selective exploitation means felling trees of
32
Streak disease of crop commonly attacks
33
Most viral diseases of plants are transmitted by
34
Viral diseases of crop plants are best controlled by
Answer(A)
planting resistant varieties
35
The following problems are likely to be caused by insects except
Answer(B)
rottening of cobs in storage
36
Weed plants which grow on other plants without deriving nutrients from them are called
37
When a farmland is heavily infested with striga, it may be concluded that the farmland
Answer(C)
may have been used for growing guinea corn
38
Answer(A)
reduces evaporation of soil water
39
An accessory sex gland in a bull is
40
The most important reason for low livestock population in the rain forest zone is the
Answer(C)
growth and proliferation of pathogens
41
Which of the following feedstuffs does not contain phosphorous?
42
When an animal eats wood and licks iron railing instead of the diet given to it, it is likely that the
Answer(C)
diet is deficient in essential elements
43
An indication that chicks are comfortable in a brooder is that they
Answer(C)
spread themselves uniformly under the hover
44
Mastitis is a disease which affects the
45
The following are signs of ill-health in farm animals except
46
A protozoon organism causes
47
An animal infected by trypanosomiasis usually develops
Answer(C)
anaemia and swollen lymph gland
48
The purpose of vaccination is to
Answer(B)
prevent disease infection
49
Which of the following livestock endoparasites is a hermaphrodite?
50
The most effective method of controlling ectoparasites in farm animals is by regular
Answer(B)
dipping of animals in a solution of pesticides
51
A common means of aerating a fish pond is by stirring the water and
Answer(A)
removing dead and decaying matter
52
Heterosis in animal breeding is referred to as
53
In areas where labour is scarce and land is abundant, farmers tend to
Answer(B)
practice mechanized farming
54
The supply of farm produce to markets in West Africa is mostly dictated by
55
Farm insurance schemes do not cover losses due to
