WAEC - Agricultural Science (2004)
1
One factor which differentiates a subsistence from a commercial farmer is that the former produces
Answer(C)
for the benefit of his family
2
Which of the following land tenure systems encourages the establishment of permanent crops?
3
The land tenure system that results in fragmentation of land is
4
The use of land for agriculture is not influenced by
5
Igneous rocks formed within the crust are called
6
Clay particles are able to attract cations in the soil because they
Answer(B)
have excess negative charges
7
What is the percentage porosity of a soil sample whose volume is 250cm when the volume of air is 200cm?
8
The most important soil micro-organism causing decay and nutrient recycling are
9
Which of the following soil water is tightly held to the surface of soil particles?
10
Which of the following processes will not lead to the loss of nutrients from the soil?
11
A disadvantage of using organic manure on the soil is that
12
Leguminous cover crops do not
Answer(D)
reduce the soil microbial population
13
In the nitrogen cycle, nitrite is oxidized to nitrate by
14
Which of the following will not lead to loss of nitrogen compounds from the soil?
15
Farm drainage does not lead to
Answer(D)
reduction of soil alkalinity
16
Which of the following methods of irrigation is best for a farm with an undulating landscape?
17
The most unreliable source of farm power is
18
Water power is harnessed and converted into electrical power by
19
A farm implement used for planting grains is the
20
Which of the following parts of a tractor is most essential in operating a mower?
21
Farm mechanisation in West Africa is not limited by
Answer(A)
the large population of farmers
22
Mechanization in West Africa is limited by the following except
23
A fruit which will not normally be used in the manufacture of jam is
24
The following crops are common staple foods in West Africa except
25
In cassava farming, rapid growth is promoted at the expense of tuber formation by the application of
27
The best way to preserve maize grains on a large scale is by
28
Parboiling is a term associated with the processing of
29
Maize is a very important crop because apart from serving as a staple, it
Answer(C)
forms the base of most livestock feeds
31
Andropogon gayanus is commonly called
32
Pasture crops are best used in preparing hay
Answer(C)
just after seed maturation
33
Which of the following is not a characteristic of a good pasture?
34
Black pod disease of cocoa is controlled by
35
The side effects of chemical control of diseases and pests include the following except
Answer(D)
increased cost of production
36
Plant breeders aim at obtaining the following except
Answer(C)
adaptation of pollination
37
Which of the followings are breeds of cattle?
38
An adult female goat is a/an
39
The interval from the beginning of one heat period to the beginning of another is known as
40
The act of parturition in ewe is known as
41
The pregnancy hormone in female animals is
42
Which of the following management practices is specific to dairy farming?
43
Which of the following is the main reason foe not keeping birds meant for commercial egg production under the extensive system of management? Birds
Answer(B)
waste a lot of productive energy roaming about
44
Newcastle disease is caused by
45
A viral disease of ruminants in which the affected animal shows symptoms of high fever and blood stained diarrhoea is likely to be
46
The following are practical measures of controlling trypanosomiasis except
Answer(D)
vaccinating against trpanosomes
47
The following factors are necessary for siting fish pond except
48
Which of the following statements is not true of agricultural production?
Answer(D)
availability of land is more important than its quality
49
The method of fish preservation in which most of the moisture is lost is
50
The functions of a farm manager include the following except
Answer(D)
financing agricultural projects
