WAEC - Agricultural Science (2001)

1
Which of the following occupations is not associated with agriculture?
Answer
(A)
production of polythene
2
Which of the following factors most influence the standard of living of individuals in a community?
Answer
(A)
food crop production
3
Subsistence farming is not characterized by
Answer
(D)
low yields
4
The factors hindering the development of agriculture in West Africa include the following except
Answer
(C)
lack of rural markets
5
Government agricultural regulation are made to control the following except the
Answer
(A)
spread of diseases
6
The primary role of government in agricultural development is to
Answer
(B)
formulate good agricultural polocies
7
Which of the following statement about land is not correct?
Answer
(D)
it can be relocated
8
Poaching is prohibited in dame reserves in order to
Answer
(A)
preserve wildlife
9
In crop plants, high temperatures may cause
Answer
(A)
premature dropping of fruits
10
The physical factor affecting crop production is
Answer
(B)
temperature
11
The most active agent of physical weathering of rocks in arid regions is
Answer
(C)
wind
12
The chemical weathering that is responsible for changing haematite to limestone is
Answer
(B)
solution
13
Liming is used to correct soil's
Answer
(B)
acidity
14
A vertical section through the soil is referred to as soil
Answer
(A)
profile
15
In the determination of soil texture, a soil sample was found to be smooth and powdery when dry and formed a cast when wet. That soil is
Answer
(A)
clay
16
Which of the following mineral elements is essential for chlorophyll formation?
Answer
(D)
magnesium
17
Replenishing soil nutrients involves the following except
Answer
(A)
leaching
18
Which of the following is not a source of farm power?
Answer
(D)
plough
19
Which of the following sources of farm power will assist in the tillage of more land per unit time?
Answer
(D)
machine
20
A farm tool used for harvesting heads of rice is the
Answer
(C)
sickle
21
Which of the following gives the correct order of usage of tillage implements on a virgin land?
Answer
(D)
plough-harrow-ridger
22
Farm surveying can be defined as the
Answer
(C)
making measurements on land from which maps are drawn
23
Farm surveying equipment include the following except
Answer
(C)
datum
24
The type of survey used in determining the flatness or steepness of a farmland is
Answer
(B)
topographical survey
25
Which of the following cereal crops most requires nursery practices?
Answer
(B)
rice
26
The maturity period of groundnut in months is
Answer
(C)
4 - 5
27
Oil palm trees do well in soils with pH level of
Answer
(C)
5.5 - 6.5
28
The optimum temperature for storing yam tuber under cold storage is
Answer
(C)
130C
29
Which of the following is not an agricultural significance of stems to crops?
Answer
(D)
useful for cross-breeding in crops
30
During the production of palm oil, the oil palm fruits are boiled in order to
Answer
(C)
ease separation of mesocarp from the endocrap
31
If the recommended seed rate of maize is 20 kg per hectare, calculate the amount of seeds required for 1.8 hectares of farmland.
Answer
(D)
36.0 kg
32
The main vertebrate pests of rice are
Answer
(B)
quela birds
33
Which of the following statements is true about the effect of nematode on plants?
Answer
(A)
the plants wilt
34
Which of the following statement is not true about weeds?
Answer
(C)
all weeds are grasses
35
In a tannery, the raw material for the manufacture of leather are
Answer
(C)
hides and skin
36
The part of the digestive tract of birds which secrets gastric juice is the
Answer
(B)
proventriculus
37
The hormone which is secreted by the testes and its responsible for stimulating male sexual characteristics is known as
Answer
(B)
testosterone
38
Production of chicks on a large scale can be achieved using a/an
Answer
(A)
incubator
39
A broiler starter feed should contain
Answer
(A)
high protein but low carbohydrate content
40
In animal nutrition, iodine is essential for the production of
Answer
(A)
thyroxin
41
The natural ability of the body of farm animal to resist invasion of diseases is called
Answer
(C)
immunity
42
In cattle, constant coughing with production of blood stained sputum are signs of
Answer
(D)
tuberculosis
43
An example of a viral disease of farm animals is
Answer
(D)
newcattle disease
44
The part of the body normally affected by fowl pox disease is the
Answer
(A)
comb
45
The eradication of tse-tse flies can prevent
Answer
(D)
trypanosomiasis
46
A tapeworm absorbs food from its host through the
Answer
(D)
body surface
47
A herbivorous fish specie which breeds fast and is suitable for culture in a pond is
Answer
(B)
Tilapia zilli
48
Which of the following is not true about adding organic manure to a fish pond? it
Answer
(A)
reduces the pH of water considerably
49
The type of labour available to peasant farmers is
Answer
(A)
family labour
50
The factor of production whose reward is profit is
Answer
(D)
entrepreneurship
51
The demand for agricultural produce is generally
Answer
(B)
inelastic
52
Given a normal situation, what effect will an increase in the supply of cowpea have on its market price? The price
Answer
(B)
decreases
53
Which of the following is an effect of stability of market price in agricultural production?
Answer
(A)
profit of the producer would be constant with input cost
54
Rural farmers mostly obtain loans from
Answer
(D)
money lenders
55
Marketing processes do not include
Answer
(A)
production