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WAEC - Agricultural Science (2006)

1
The problem of land available for agriculture can be solved by
Answer
(B)
enacting laws to regulate access to land
2
Wastage of agricultural produce may not be worsened by
Answer
(B)
land frangmentation
3
The replacement of traditional farming methods with modern methods is a step in agricultural
Answer
(C)
development
4
Which of the following statement is not an impediment to the development of agriculture in West Africa?
Answer
(B)
aggressive agricultural extension
5
Which of the following statements is not correct about Land Use Act?
Answer
(A)
land cannot be used for any purpose
6
The difference between subsidy and loan is that subsidy
Answer
(D)
is not refundable while a loan is refundable
7
Which of the following statement best describes subsistence agriculture?
Answer
(B)
small scale production of crops and livestock
8
The main aim of wildlife management is to
Answer
(A)
prevent extinction of species
9
Which of the following groups of crops will perform better in the savanna zone of West Africa?
Answer
(A)
cotton,millet and groundnut
10
The largest kola-nut producing vegetation zone in West Africa is the
Answer
(C)
derived savanna
11
Which of the following processes does not lead to the physical disintegration of rocks? The
Answer
(D)
rapid cooling and solidification of rocks
12
The two main elements of climate which affect soil formation are
Answer
(A)
rainfall and temperature
13
Soil erosion caused by water can be controlled by
Answer
(D)
afforestation and erection of bunds
14
Although clayey soils are rich in nutrients, they are not good for most agricultural crop production because they
Answer
(B)
are too compact and poorly aerated
15
The plant nutrient essential for the formation of tubers is
Answer
(C)
potassium
16
A fertilizer bag had the following inscription 27:10:10. This means that it contained
Answer
(A)
27kg of nirogen, 10kg of phosphate, 10kg of potash
17
Which of the following farming practices encourages soil degradation?
Answer
(B)
bush burning
18
Irrigation water is passed underneath the soil through
Answer
(D)
pipes
19
A good drought bull should not have
Answer
(C)
long legs
20
Which of the following sources of farm power generates highest amount of energy?
Answer
(D)
mechanical power
21
A spade is mainly used for
Answer
(D)
digging
22
The function of the scraper on a disc plough is to
Answer
(B)
remove adhering soil from the disc
23
Post-harvest equipment include
Answer
(A)
sheller and dryer
24
Which of the following is not a survey equipment?
Answer
(D)
telescope
25
Which of the following methods is used in conducting a simple farm lay-out survey?
Answer
(C)
3:4:5
26
Which of the following sequence of pre-planting operation is correct?
Answer
(D)
bush clearing, burning, stumping and farm layout
27
A plant not normally used as green manure is
Answer
(B)
sida acuta
28
Which of the following agronomic practices is not applicable to rice production?
Answer
(C)
staking
29
To which of the following survey equipment is a piece of red cloth tied when it is being used?
Answer
(D)
arrow
30
Which of the following is not a leguminous forage crop?
Answer
(B)
panicum maximum
31
Which of the following will not be a reason for afforestation?
Answer
(A)
population pressure
32
Mosaic disease affects
Answer
(C)
cassava and tobacco
33
Which of the following is a symptom of black-pod disease of cacao?
Answer
(C)
small brown spot first appears on the pod
34
Which of the following insect groups readily attacks dry grains?
Answer
(A)
boring insects
35
Rosette disease of groundnut is transmitted by
Answer
(D)
an aphid
36
The control of spear grass on the farm is difficult because
Answer
(C)
it has a very persistent rhizome
37
The use of fungal pathogens to control dodder weed is a
Answer
(C)
biological method
38
Hybrid vigour in crop improvement is brought about through
Answer
(D)
cross breeding
39
Which of the following structures is not a part of the digestive tract of pigs?
Answer
(B)
proventriculus
40
The urethra in the male animal is described as a urinogenital duct because it
Answer
(C)
is a common pathway for urine and sperms
41
The act of giving birth in farm animal is called
Answer
(C)
parturition
42
Oestrogen in female is responsible for
Answer
(B)
start of oestrus cycle
43
Iodine is normally applied to the severed umbilical cord of a piglet so as to
Answer
(C)
prevent the entry of micro-organisms into the piglet
44
Broiler are generally marketed at the age of
Answer
(B)
8 -10 weeks
45
The process of removing a young animal from its mother is referred to as
Answer
(C)
weaning
46
Which of the following classes of poultry feeds has the highest protein content?
Answer
(A)
chicks mash
47
The vitamin which is essential for the growth of spermatozoa in males and the development of the foetus in females is
Answer
(C)
vitamin E
48
The sequence of events in the reproductive process of a dairy animal is
Answer
(D)
copulation,gestation,parturition and lactation
49
An unproductive animal permanently removed from a productive stock is said to be
Answer
(B)
culled
50
Voiding of blood stained droppings by birds is a symptom of
Answer
(B)
coccidiosis
51
Nagana in cattle is otherwise known as
Answer
(A)
trypanosomiasis
52
Government ensures continuous availability of fish through
Answer
(A)
fish regulation
53
Which of the following factors is not considered in selection fish for stocking?
Answer
(C)
colour of the fingerlings
54
When different breeds of animals are mated, the process is known as
Answer
(A)
crossbreeding
55
The advantages derived from the efficient combination of factors of production in agriculture include the following except
Answer
(B)
increased production cost