Which of the following benefits of agriculture is of least importance to the peasant farmer?
คำตอบ
(C)
foreign exchange
2
Farmers who plant improved maize would harvest
คำตอบ
(B)
a high yield of maize
3
Which of the following land tenure system allows the owner greatest freedom to dispose of the land as he wishes?
คำตอบ
(B)
free-hold
4
Which of the following is not a government agricultural programme?
คำตอบ
(D)
West Africa Rice Development
5
The practice of planting one type of annual crop each season is referred to as
คำตอบ
(C)
mono-cropping
6
The most important use of land for agriculture production is
คำตอบ
(A)
grazing paddocks
7
Which of the following biotic factors are usually used to control cassava mealbugs?
คำตอบ
(B)
predators
8
The following are types of sedimentary rocks except
คำตอบ
(A)
granites
9
A reddish coloured soil indicates the presence of
คำตอบ
(A)
copper
10
The three most important physical factors that influence rock weathering are
คำตอบ
(B)
particle size,hardness and degree of cementation
11
Which of the following statement is not true about waterlogged soils?
คำตอบ
(B)
dentrifying bacteria are more active in such soil than nitrifying bacteria
12
Which of the following crops should be planted on a piece of land that has been repeatedly cropped with maize?
คำตอบ
(D)
cowpea
13
sources of nitrogen to the soil include the following except
คำตอบ
(D)
residues of burning activities
14
Which of the following statements about bush burning is false?
คำตอบ
(D)
the heat generated increases the population of soil organisms
15
A farmer applied NPK 15:11:8 at planting. What is the percentage of potassium in the fertilizer?
คำตอบ
(A)
23.53%
16
The following equipment can be used for irrigation except
คำตอบ
(D)
siphon tube
17
Excessive drainage of soil water can be checked by the addition of adequate quantities of
คำตอบ
(D)
compost manure
18
Considering all costs, the cheapest source of energy for domestic use is
คำตอบ
(B)
sunlight
19
The implement used for pulverizing the soil is the
คำตอบ
(C)
horrow
20
An incubator is important in supplying
คำตอบ
(B)
heat for embryo develoment
21
A farm surveying equipment made of steel and used for measuring short distance is called
คำตอบ
(C)
gunter's chain
22
Which of the following statement about farmstead planning is false?
คำตอบ
(A)
administartive blocks should not be located close to the entrance of the farmstead
23
The term supplying in crop production means
คำตอบ
(C)
replacing ungerminated seeds on seedbeds
24
During photosynthesis, green plants convert carbon dioxide to
คำตอบ
(B)
carbohydrate
25
Perboiling in the processing of rice
คำตอบ
(C)
reduces the percentage of breakage
26
The main reason for removing the barks of cassava tubers before processing the tuber is to
คำตอบ
(D)
reduce the cyanide content of products
27
Tomato plants are staked for the following reasons except to
คำตอบ
(D)
improve the taste
28
A vegetatively propagated citrus plant will produce fruits earlier than the one established from seeds because
คำตอบ
(C)
it is more advanced at the time of establishment
29
swollen shoot disease of cocoa is caused by
คำตอบ
(A)
virus
30
Groundnut grows best on a
คำตอบ
(A)
well-drained,light sandy-loam soil
31
Which of the following characteristics is not true of a good pasture crop?
คำตอบ
(D)
poor digestibility
32
The benefits of establishing forests do not include
คำตอบ
(D)
shading of crops
33
Floriculture is a subdivision of horticulture which deals with the cultivation of
คำตอบ
(C)
ornamental plants
34
Which of the following insect pests causes defoliation in crops?
คำตอบ
(B)
grasshopper
35
Which of the following pesticides effectively control maize stem borers?
คำตอบ
(A)
systematic insecticides
36
Which of the following combinations of practices best controls groundnut rosette disease?
คำตอบ
(D)
early planting and spraying of insecticide
37
Determine the number of bottles of a herbicide required to spray 25 hectares of farmland, if one bottle is needed to prepare 100 litres and the diluted product product is applied at a rate of 20 litres per hectare.
คำตอบ
(B)
5 bottles
38
The milk secreting organ in cattle is the
คำตอบ
(B)
udder
39
A developing embryo derives its nutrition from the mother
คำตอบ
(A)
through the blood vessels located in the placenta
40
Birds store food in the
คำตอบ
(A)
crop
41
The following are examples of natural mating methods except
คำตอบ
(D)
block mating
42
The milk collection vessel of the mammary gland is the
คำตอบ
(B)
gland cistern
43
Fertile eggs will be produced by breeders if the
คำตอบ
(B)
cocks are always kept with the hens
44
The rabbit is able to utilize forage because
คำตอบ
(A)
it has an enlarged caecum that digests fibre
45
If feed efficiency for egg production is defined as feed consumed per 10 eggs, what will be the feed efficiency for a layer that laid 230 eggs and consumed 26kg feed?
คำตอบ
(B)
1.13
46
When birds are fed on a ratio deficient in riboflavin,which of the following symptoms will they show?
คำตอบ
(C)
curled-toe paralysis
47
Livestock are said to feed on the range when they eat
คำตอบ
(B)
fresh herbage directly from the pasture
48
Which of the following practices is not a method of improving rangeland?
คำตอบ
(C)
removal of weeds
49
Liverfluke infestation causes disturbance in lipid digestion because it
คำตอบ
(B)
blocks the bile duct and reduces secretion of bile
50
A farmer noticed that one of his cows has high fever, blood-stained diarrhoea and often grinds its teeth. This shows that the cow is infected by
คำตอบ
(A)
rinderpest
51
Temperature is an important factor in fish ponds because it
คำตอบ
(A)
affects the metabolic processes in fish
52
An illegal method of harvesting fish is by the sue of
คำตอบ
(B)
potassium cyanide
53
How can the offspring of a bull continue to be produced long after its death?
คำตอบ
(A)
using the preserved semen for artificial insemination
54
A farm business makes profit when
คำตอบ
(C)
total revenue exceed total cost
55
Agricultural business is difficult to insure in West Africa mainly because
