The most important contribution of agriculture to mankind is the provision of
Trả lời
(D)
food
2
An advantage of commercial agriculture is that it
Trả lời
(C)
produces high returns
3
Which of the following statements about communal land tenure system is true?
Trả lời
(A)
it gives the owner complete freedom on the land
4
Agricultural land use is negatively affected by
Trả lời
(A)
type of soil
5
The practice of growth both food and forage crops simultaneously on the same piece of land is called
Trả lời
(B)
ley farming
6
The use of land for agricultural purpose involves the following except
Trả lời
(C)
road construction
7
The natural grasslands of West Africa are generally located in the
Trả lời
(B)
guinea savanna
8
The following processes in soil formation are caused by biotic factors except
Trả lời
(D)
soil disintegration by dehydration
9
Which of the following rocks is not formed from pre-existing rocks?
Trả lời
(B)
granite
10
Chemical weathering is fastest in
Trả lời
(A)
cool weather
11
It is not advisable to apply fresh farmyard manure because
Trả lời
(A)
its heat of decomposition may cause scorching of plants
12
Magnesium deficiency in crops can be corrected by the application of
Trả lời
(A)
dolomite
13
The atmosphere gains carbon dioxide through the following ways except
Trả lời
(C)
photosynthesis in plants
14
Controlled burning has the advantage of
Trả lời
(B)
inducing re-growth of pasture grasses
15
Which of the following fertilizers should be applied for good plant growth after prolonged use of sulphate of ammonia on a neutral soil?
Trả lời
(B)
lime
16
Which of the following statements indicate advantages of sub-surface irrigation? I. Low operation cost once established II. Does not disturb the movement of implements III. Permits efficient use of water IV. easily floods the field
Trả lời
(B)
II,III and IV only
17
The removal of excess water from the sub-soil is known as
Trả lời
(B)
drainage
18
The best source of farm power for agricultural production is
Trả lời
(A)
human power
19
The greatest disadvantage of using a bulldozer in land clearing is that it
Trả lời
(A)
removes the fertile top soil along with the vegetation
20
Mechanization is difficult to practice where the
Trả lời
(A)
land is fragmented
21
Which of the following equipment is not used in farm surveying?
Trả lời
(D)
pick axe
22
Farm surveying is important because it determines
Trả lời
(B)
size of farmland
23
Bush fallowing is necessitated by
Trả lời
(B)
reduction in soil fertility
24
A well fermented and dried coffee seed is said to be
Trả lời
(B)
graded
25
A bag of fertilizer had a ratio of 0:10:0 written on it. This means that the fertilizer contains
Trả lời
(C)
0 kg of nitrogen, 10 kg of phosphate and 0 kg of potash
26
In crop rotation, deep-rooted crops should follow shallow-rooted crops because deep-rooted crops
Trả lời
(C)
feed from different soil layers
27
If a crop is planted at a spacing of 100cm x 50cm. Calculate the plant population required for an hectare of farm land.
Trả lời
(D)
20,000
28
The term hermetic storage of grains means keeping grains in
Trả lời
(A)
air-tight containers
29
A disadvantage of vegetatively propagated crops is that they
Trả lời
(C)
do not withstand harsh conditions
30
Which of the following statements about mulches is true? They
Trả lời
(A)
include paper and plolythene sheets
31
Which of the following crops is bet harvested using a combine harvester?
Trả lời
(A)
maize
32
Which of the following crops produces latex?
Trả lời
(C)
rubber
33
What will be the following effect of establishing a grass with centrosema spp. in a pasture? The
Trả lời
(D)
forage yield will be high
34
Which of the following is not an economic importance of forests? They serve as source of
Trả lời
(D)
domestic animals
35
The twisting, wrinkling and mottling of leaves are symptoms of
Trả lời
(B)
viral diseases
36
An example of biological control of pests is
Trả lời
(A)
using lady bird beetles to feed on cytoplasm
37
Edible seeds with sticky covering and hooks are most likely to be dispersed by
Trả lời
(C)
animal
38
Hereditary characteristics are passed from parents to offspring through the
Trả lời
(C)
gene
39
Embryonic membranes do not include
Trả lời
(A)
uterus
40
The digestion of plant fibre is non-ruminant herbivores takes place in the
Trả lời
(B)
caecum and colon
41
Which of the following hormones is responsible for the relaxation of the pelvic ligaments and cervix during parturition?
Trả lời
(C)
oxytocin
42
The signs of heat in animals include the following except
Trả lời
(D)
increased appetite
43
Which of the following is not an abiotic condition that affects livestock production?
Trả lời
(D)
predators
44
Cows should not be allowed to eat plenty of young fresh pastures because they will
Trả lời
(B)
develop bloat
45
In commercial egg production, the most effective management system is
Trả lời
(C)
battery
46
Which of the following statements is true of a pig which has only one testis?
Trả lời
(B)
it can still produce viable sperm
47
The ingredient which is not a major source of minerals in animal feeds is
Trả lời
(D)
palm kernal meal
48
If a soyabean meal contains 45% crude protein, what quantity of it should be provided to laying flock to supply 5.00 kg of protein?
Trả lời
(D)
2.25 kg
49
The following are common grasses in the rangeland except
Trả lời
(B)
calopogonium mucunoides
50
Disease of animals that can also be transferred to humans are
Trả lời
(C)
zoonotic
51
Poultry showing difficulty in breathing and loss of appetite are under the attack of
Trả lời
(B)
aspergillosis
52
The major cause of spoilage in fresh fish is
Trả lời
(D)
bacterial attack
53
Which of the following statement about a good fish pond is true?
Trả lời
(C)
it must have low concentration of dissolved salts
54
The mechanical introduction of semen into the vagina of a female animal is termed
Trả lời
(C)
artificial insemination
55
The most important input contributed by farm family is
