WAEC - Agricultural Science (1994)

1
Agricultural production in West Africa can be improved by the following except
Answer
(D)
continued adoption of the communal land holdig system
2
Farm settlement scheme is an example of agricultural
Answer
(A)
programme
3
Which of the following is not a problem of agricultural development?
Answer
(D)
lack of basic amenities and infrastructure
4
land use is influenced by the following except
Answer
(E)
fallowing
5
The response of crops to day-length is referred to as
Answer
(A)
photoperiodism
6
Coal is an example of
Answer
(E)
sedimentary rock
7
What is the percentage of water content of a soil sample if the mass of fresh soil is 180 gm and mass of dried soil is 120 gram?
Answer
(E)
33.3%
8
Prolonged application of ammonium sulphate fertilizer on a given soil can lead to the
Answer
(C)
increase in soil acidity
9
Which of the following factors may be considered in adopting a particular method of irrigation?
Answer
(C)
type of farming system
10
Land is considered to be an essential factor in agricultural production because
Answer
(C)
crop, fisheries and livestock production are practised on land
11
The type of crop planted and the livestock raised in any given area depends primarily on the
Answer
(A)
type of climate
12
In which of the following ways are metamorphic rocks formed?
Answer
(E)
through chemical changes caused by heat and pressure
13
A moistened soil sample which can be moulded to form a smooth continuous ring is characteristic of
Answer
(B)
heavy clay
14
Which of the following sets of farm operations can use electricity as a source of power?
Answer
(C)
processing, storage and extraction
15
The best source of power for weeding in nursery is
Answer
(B)
man
16
Shellers are used to remove
Answer
(B)
grains from cobs
17
Mechanization would remain uneconomical in West Africa as long as
Answer
(A)
farmers are small and scattered
18
The primary product of ginger is the
Answer
(A)
rhizome
19
The main purpose of including leguminous crops in pastures is to serve as a source of
Answer
(A)
proteins
20
Which of the following is a primary product of forest trees?
Answer
(C)
timber
21
A fungicide is important in maize production because it
Answer
(C)
assists in the control of corn smut
22
Yam setts are usually planted with cut surface
Answer
(D)
upwards and sloping at 45 degrees
23
The National Tree-planting campaign in Nigeria is an example of
Answer
(B)
afforestation
24
The most devastating and commonest pests of cassava foliage are
Answer
(D)
variegated grasshoppers
25
Which of the following crop is tolerant to both poor and rich friable soils?
Answer
(D)
cassava
26
Which of the following plant parts or modification is not suitable for propagation of pastures?
Answer
(C)
leaves
27
The stages of life cycle of locust are
Answer
(B)
egg-nymph-adult
28
Fertilization in crops leads to the formation of
Answer
(C)
zygote
29
Which of the following is not normally a pasture crop?
Answer
(A)
mucuna
30
The damage to the stem of maize plants resulting in hollowness and lodging is most likely caused by
Answer
(C)
stem borers
31
The planting depth of rice grain is about
Answer
(A)
2-4 cm
32
Which of the following is the botanical name for guinea grass?
Answer
(A)
panicum maximum
33
The benefits derived from wildlife conservation practices include the following except
Answer
(D)
preservation of land for future use
34
What is the effect of applying pressure on a ring inserted through the nostril of a bull?
Answer
(B)
reducing the resistance of the bull
35
Which of the following statement on ration is not correct?
Answer
(E)
finisher ration is for feeding chicks from day-old to market size
36
Which of the following is not a pasture legume?
Answer
(D)
andropogon
37
A nutritional deficiency disease of livestock is
Answer
(C)
oesteomalacia
38
Which type of soil is usually preferred in terms of chemical properties in siting fish ponds?
Answer
(B)
very alkaline soil
39
The most important advantage of in-breeding is that
Answer
(D)
specific qualities of an animal are preserved and concentarted
40
The farm animal whose skin or hide cannot be used for leader production is
Answer
(C)
chicken
41
An effective way of preventing anaemia in piglets raised under intensive system is to provide them with
Answer
(D)
drugs containing iron
42
All the following are components of balance diet except
Answer
(E)
sucrose
43
Natural immunity against diseases is conferred on the newly born animal through
Answer
(D)
feeding with colostrum
44
Which of the following is the reason for smoking fish?
Answer
(B)
preserving it
45
Using N'dama bull to mate Muturu cow is an example of
Answer
(C)
cross-breeding
46
The signs of approaching parturition include the following except
Answer
(D)
mounting of other animals
47
Farmers can minimize risks association with farming business by
Answer
(B)
adopting farm assurance policy
48
Farmers often find it difficult to obtain loans from banks for agricultural projects because they
Answer
(B)
have no collaterals
49
Which of the following is not correct about market in agriculture? it is
Answer
(D)
a place for social activities
50
The government operates its extension programme by using the following methods except
Answer
(E)
provision of rural infrastructure