WAEC - Agricultural Science (2010)
1
Which of the following land tenure system for individual ownership?
2
The development of agriculture in West Africa is not generally affected by
3
The most common grazing system in West Africa is
4
Which of the following is not a role of government in agricultural production?
5
The main reason for establishing game reserves is to prevent wildlife from
6
Which of the following practices promote agricultural development?
คำตอบ(A)
growing disease-resistant crops
7
The biotic factor which derives much benefit from livestock and reduces productivity is a
8
The removal of top soil from a small area of soil surface due to the impact of raindrops is known as
9
Which of the following groups of crops grow best in the savanna zones of West Africa?
คำตอบ(A)
cotton,millet and groundnut
10
High temperature and pressure convert sandstone to
11
Which of the following factors is both a physical and a chemical agent of rock weathering?
12
Physical properties of clay soil include
คำตอบ(C)
low porosity and high capillarity
13
Streak disease of maize is caused by
14
In the carbon cycle, atmospheric carbon dioxide is replenished by
15
The following farming practices expose the soil to agents of erosion except
16
Which of the following effects is not due to water-logging?
17
An advantage of sprinkler irrigation is that
คำตอบ(C)
large areas of land can be irrigated
18
The main sources of farm power in West Africa are
คำตอบ(B)
human,animal and mechanical
19
The function of the mouldboard in a mouldboard plough is to
20
The objectives of farm mechanization include the following except to
คำตอบ(D)
produce disease-resistant crop varieties
21
The survey instrument used for measuring horizontal and vertical angles on the field is the
22
A farmstead should be located close to a source of water because of the following reasons except
คำตอบ(D)
erosion of farm structures
23
Which of the following activities are cultural practices? I. Harrowing II. Filling-in III. Mulching
24
Training of yam vines is important to
25
คำตอบ(C)
transfer of a bud from one plant to another
26
Which of the following products is not from coconut?
27
The most convenient method of fertilizer application used when crops have been planted in rows is
28
Which of the following is not a characteristic of weeds?
คำตอบ(C)
seeds have short period of viability
30
A major raw material of the paper industry is
31
Which of the following farming practices are cultural methods used to control pests and diseases? I. Crop rotation II. Mixed farming III. Monoculture
32
The recommended spacing for oil palm cultivation is
33
Which of the following plants is a pasture legume?
34
Mould growth on cereal grains stored in damp conditions is caused by
35
Corms, rhizomes and tubers are examples of
36
Which of the following operations takes place in a ginnery?
คำตอบ(C)
separation of cotton seeds from lint
37
The maize stem borer is best controlled by
คำตอบ(A)
destroying and burning all the affected crops
38
Disease resistance is one of the aims of crop improvement because it
คำตอบ(A)
enables crops withstand attack by pathogens
39
Which of the following characteristics is not important in beef cattle breeding?
คำตอบ(B)
increased butter-fat percentage
40
The milk let down hormones in farm animals is called
41
Rabbits can digest roughages because they possess
42
Natural immunity can be conferred on newly-born animals through
43
The average gestation period in sheep is
44
Feeds given to animals solely to sustain their live weight is called
45
Which of the following feedstuffs requires much processing before being fed to animals?
46
Mating in poultry is known as
47
The causal organism of anthrax in farm animals is known as
48
Which of the following fish species is found in fresh water?
49
The disease which affects only animals other than humans is
50
Prevention of animal diseases involves the following except
คำตอบ(C)
idebtifying the source of diseases
51
Which of the following organisms is an ectoparasite of farm animals?
52
Which of the following factors is the least important in selecting a site for a fish-pond?
53
The fish preservation method, which results in the greatest water loss is
54
An infectious disease of livestock characterized by sudden death and black bloody discharge from the nose, mouth and eyes is known as
55
The source of credit with the most unfavourable terms of payment in West Africa is
