WAEC - Agricultural Science (2017)

1
The branch of agriculture which deals with the production of fruits is called
Answer
(A)
pomology
2
One advantage of cooperative farming is that it 
Answer
(C)
enables farmers to acquire loans from the bank
3
Which of the following statements is not a problem associated with land tenure system through inheritance?
Answer
(B)
Family members have right to free use of land
4
A farmland measures 50m x 50m. Determine its area in hectares.
Answer
(C)
0.25ha
5

From the illustration of farm implements above, the part labelled I is called

Answer
(B)
beam
6

Above is the illustration of farm implements. The part which makes horizontal cuts into the soil and uproots weeds is labelled as

Answer
(D)
IV
7

The diagram above is an illustration of farm implements; The function of the part labelled II is to

Answer
(D)
remove soil from the disc
8

In the diagram of farm implements above, which of the labeled parts brings balance to the implements?

Answer
(C)
III
9
A farming in which different types of crops are grown in quick succession, in a definite order on the same piece of land is termed
Answer
(D)
crop rotation
10
Land use for agriculture in West Africa is influenced by the following factors except
Answer
(C)
fallowing
11
A social factor which affects land availability and use is
Answer
(D)
culture of the people
12
The following are climatic conditions affecting agricultural production except
Answer
(D)
topography
13
Predators are used by farmers to
Answer
(A)
control pests
14
Which of the following agents is not associated with chemical weathering?
Answer
(B)
pressure
15
Which of the following statements is not correct about soil texture?
Answer
(B)
Fine-textured soils are warm soils and coarse-textured soils are cool soils
16
Inhibition of root and fruit formation are deficiency symptoms of
Answer
(D)
phosphorus
17
In the carbon cycle, carbon dioxide is used by crops for
Answer
(A)
photosynthesis
18
Flood irrigation is used for the cultivation of
Answer
(B)
swamp rice
19
The presence of excess water in the colloids of soil particles is known as
Answer
(B)
waterlogging
20

In the above diagram, what crop roots are represented?

Answer
(A)
a legume
21
If rows of crops are spaced 1.0m apart with one seed sown per stand, determine the spacing between stands to obtain a plant population of 40,000 plants per hectare.
Answer
(A)
0.25m
22
The correct sequence of pre-planting operations in
Answer
(A)
\(clearing \to stumping \to ploughing \to harrowing\)
23
Heat treatment of oil palm seeds before sowing helps to
Answer
(C)
break embryo dormancy
24
Imported plants are expected to be
Answer
(D)
quarantined
25
A breeding method which involves the production of heterozygous populations from homozygous lines is
Answer
(A)
inbreeding
26
A raw material that could be obtained from the forest is
Answer
(B)
honey
27
Which of the following methods of plant propagation is limited to plants which root easily?
Answer
(B)
Layering and cutting
28
Which of the following practices is not a way of maintaining ornamental plants?
Answer
(D)
Harvesting
29
Which of the following pairs of diseases attack coffee?
Answer
(D)
Rust and leaf spot
30
Insect-pests of crops could be controlled by
Answer
(C)
crop rotation
31
Which of the following insect-pests does not attack cotton?
Answer
(C)
Weevil
32
Which of the following practices is an example of a cultural weed control method?
Answer
(D)
Mulching
33

The diagram above is the digestive tract of a farm animal. What farm animal is being referred to?

Answer
(C)
pig
34

In the diagram above showing the digestive tract of a certain farm animal, the digestion of protein starts in the part labelled

Answer
(A)
I
35

In the diagram above which shows the digestive tract for a certain farm animal, which of the following enzymes is not secreted by the part labelled III?

Answer
(A)
Pepsin
36

Which of the above illustrated poultry equipment is not used in a brooder house?

Answer
(A)
I
37

Which of the following equipment from the poultry equipments illustrated above could be used in the place of the equipment labelled II in the management of chicks?

Answer
(C)
Electric bulb
38

In the poultry equipments above, which quality of eggs is associated with the equipment labelled I?

Answer
(B)
Fertility
39

In the diagram above, what kind of identification method is illustrated?

Answer
(D)
Branding
40
A farmer collects 800 eggs from a laying stock of 1,200 birds per day. Determine the laying percentage of the birds
Answer
(B)
67%
41
By-products of livestock used as feed ingredients in poultry ration include
Answer
(B)
blood and bones
42
The practice of mating closely related animals is called
Answer
(C)
in-breeding
43

The parts labelled I, II and III of the farm animal parasite above form the

Answer
(D)
scolex
44

The parasite illustrated above obtains nutrients from the host through

Answer
(B)
diffusion
45
In fish farming, clarias is introduced to a pond stocked with Tilapia in order to
Answer
(C)
check pests in the pond water