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WAEC - Agricultural Science (2016)

1
Which of the following suggestion would solve transportation problems associated with agriculture ?
Answer
(B)
Efficient railway system
2
Which of the following statements is not correct about agriculture in most West African countries?
Answer
(B)
fuel
3
The document given to a farmer on acquiring a piece of land from government is called
Answer
(C)
certificate of occupancy
4
The diagram above shows parts of a plough.
Study it and answer this question.

The part labelled I in the diagram is the
Answer
(D)
mould board
5
The diagram above shows parts of a plough.
Study it and answer this question.

The part labelled II is the
Answer
(B)
plough share
6
The diagram above shows parts of a plough.
Study it and answer this question.

Which of the following functions is not associated with the part labelled I?
Answer
(B)
Cutting through soil
7
The diagram above shows parts of a plough.
Study it and answer this question.

The function of the part labeled II isthat it
Answer
(B)
makes horizontal cuts
8
The surveying instrument used for measuring horizontal and vertical angles is called
Answer
(A)
theodolite
9
Crop rotation is often used in maintaining soil fertility because
Answer
(B)
some of the crops fix nitrogen in the soil
10
Land is said to be a fixed asset in Agriculture. This means that
Answer
(A)
its features and topography are fixed
11
The most limiting factor affecting land availability for agriculture in urban settlements is
Answer
(D)
population pressure
12
Rhizobium supplies nitrogen to leguminous plants by
Answer
(B)
fixing atmospheric nitrogen into the soil
13
An example of igneous rock is
Answer
(A)
granite
14
In chemical weathering of rocks, the equation Fe,2O3+3H2O → Fe2O33H2O represents
Answer
(B)
hydration
15
Which of the following statement is a disadvantages of decaying organic matter in soils?
Answer
(A)
Bacterals and fungal growth is enhanced
16
Lost soil nutrients can be replenished by the following methods except
Answer
(C)
continuous grazing
17
In the carbon cycle, carbon dioxide in the air may be replenished by
Answer
(A)
respiration
18
Irrigation can be described as the
Answer
(D)
application of water to the soil
19
Which of the following conditions is a characteristic of a poorly drained soil?
Answer
(C)
Decrease in the activities of micro organisms
20
The process of removing excess maize seedlings from a stand is known as
Answer
(C)
thinning
21
Study the diagram above and answer question

The farm tool associated with the diagram above is
Answer
(A)
Knife
22
Study the diagram above and answer question

The crop associated with the diagram above is
Answer
(C)
Hevea brasiliensis
23
Which of the following crops requires shade at the early stage of is growth?
Answer
(C)
Cocoa
24
Which of the following plants is not a leguminous forage?
Answer
(B)
Panicum maximum
25
The process of crossing two pure lines of plants of the same species is called
Answer
(D)
inbreeding
26
Pure line of crops are produced through continuous
Answer
(D)
inbreeding
27
Which of the following insects transmits swollen shoot virus of Cocoa?
Answer
(B)
Mealybug
28
Quarantine regulations are established so as to
Answer
(B)
prevent the introduction foreign diseases into country
29
The most effective method of controlling viral diseases in crops is by
Answer
(B)
renoving and burning affected crops
30
The use of parasites and predators to control weeds is referred to as
Answer
(A)
biological control
31
Forest resources can be managed by the following measures except
Answer
(C)
promoting deforestation
32
The continuous removal of forest tress without replacement is known as
Answer
(C)
deforestation
33
A farm animal which possesses a pair of caeca is
Answer
(B)
fowl
34
Oestrogen in female animals is not responsible for
Answer
(B)
on set of heat period
35
A beef cow gained 75 kg over a period of two months and two days. What is its average weight gain?
Answer
(B)
1.21 kg
36
A disadvantage of natural incubation is that
Answer
(C)
the brooding hens sometimes abandon the eggs
37
Ruminants fed on dried grasses are given feed supplements to
Answer
(D)
provide deficient nutrients
38
Which of the following animal disease is not associated with malnutrition?
Answer
(A)
Aspergillosis
39
The botanical name of Northern gamba grass is
Answer
(D)
Andropogon gayanus
40
The cut and carry system of feeding livestock is termed
Answer
(B)
zero grazing
41
Progeny selection involves selection of breeding stock on the basis of
Answer
(D)
performance of offspring
42
The cattle disease which is likely to be most common in the forest belt of West Africa is
Answer
(B)
trypanosomiasis
43
Ecto-parasites can be controlled by
Answer
(C)
dipping of host
44
Cropping in fish farming is the act of
Answer
(C)
harvesting fish
45
Methods of preserving fish including the following except
Answer
(D)
soaking
46
Determine the price elasticity of demand if the price of yam tuber rises by 10% (0.1) and the quantity demanded falls by 5% (0.05)
Answer
(A)
0.5
47
Most farm business fail because of
Answer
(D)
poor management
48
Which of the following activities is not a marketing function?
Answer
(B)
planting of crops
49
Which of the following activities is not a marketing function?
Answer
(B)
planting of crops
50
Risks on commercial farms could result from
Answer
(B)
crop failure