Agricultural production in West Africa can be improved by the following practices except the
Trả lời
(B)
legislation of communal land holding system
2
A limitation to the practice of shifting cultivation in modern day agriculture is
Trả lời
(C)
population pressure
3
Government finances agriculture through the following means except
Trả lời
(C)
establishment of agricultural colleges
4
The following are factors that affect agricultural development in West Africa except
Trả lời
(B)
rainfall
5
Termites are useful in agriculture because they
Trả lời
(C)
improve soil aeration
6
A fresh soil sample of mass 180 g had a mass of 120 g after oven-drying. Determine the percentage water content of the soil.
Trả lời
(D)
33.3%
7
The earthworm is important to the farmer because it
Trả lời
(A)
improves soil texture
8
The soil water that is readily available for absorption by plant roots is called
Trả lời
(A)
capillary water
9
Farmers practice mixed farming because they can
Trả lời
(C)
use the manure from the animals to fertilize their crops
10
Which of the following factors should be considered in selecting cover crops? The cover crops must I. be easy to propagate II. compete with the main crops III. have roots capable of binding soils IV. be slow growing
Trả lời
(C)
I and III only
11
Which of the following terms is not associated with surface irrigation?
Trả lời
(A)
tile
12
Loss of nitrogen from the soil through the removal of oxygen from nitrates by bacteria is known as
Trả lời
(C)
dentrification
13
Which of the following statement are advantages of mulching? It I. controls weeds II. conserves soil moisture III. increases soil temperature IV. reduces soil pH
Trả lời
(A)
I and II only
14
Determine the weight of potassium in a 50 kg NPK (20:20:10) bag of fertilizer.
Trả lời
(C)
10.0 kg
15
The farm power which is most adaptable to farm operation in West Africa is
Trả lời
(C)
human power
16
If grains are not properly dried before storage, they are likely to
Trả lời
(A)
lose viability at a fast rate
17
Which of the following combinations of activities gives the correct sequence of nursing seeds? I. watering of sown seeds II. making drills with a dibber III. covering seeds with palm fronds IV. sowing seeds in drills
Trả lời
(A)
II,IV,III and I
18
If the recommended spacing for a tree crop is 2.5m by 4.0m. How many seedlings are required to plant 2 hectares of farmland?
Trả lời
(C)
2,000 seedlings
19
Which of the following processes are associated with rubber production? I. coagulation II. fermentation III. tapping
Trả lời
(B)
I and III only
20
The following crops require staking except
Trả lời
(D)
guinea corn
21
The frequency of weed control on a tomato farm does not depend on
Trả lời
(C)
nearness to homestead
22
Citrus is usually propagated by
Trả lời
(A)
budding
23
The botanical name of groundnut is
Trả lời
(B)
arachis hypogaea
24
Ornamental plants reduce noise pollution in the environment by
Trả lời
(C)
dispersing sound waves
25
Which of the following statement about the effects of diseases on crops are true? Reduction in I. quality of products II. photosynthetic ability III. cost of production IV. yield of the produce
Trả lời
(D)
I,II and IV only
26
Which of the following insect-pests possesses biting and chewing mouthparts?
Trả lời
(A)
grasshopper
27
Striga spp. is a parasitic weed of
Trả lời
(D)
sorghum
28
The first activity to undertake before establishing a plantation is to
Trả lời
(A)
survey the land
29
Fruits should be harvested at the appropriate time in order to
Trả lời
(D)
ensure good quality produce
30
Which of the following crops are useful to the soap-making industry? I. kolanut II. coconut III. shea nut
Trả lời
(C)
II and III only
31
An advantage of rotational grazing is that
Trả lời
(B)
there is greter potential for extending the grazing season
32
A sheep grained 20 kg of weight after consuming 60 kg of feed. Determine the feed conversion ratio.
Trả lời
(C)
3:1
33
A disease which affects poultry only is
Trả lời
(C)
pox
34
Which of the following factors have negative influence on egg weight? I. high environmental temperature II. poor lighting III. comb size
Trả lời
(A)
I and II only
35
Fish ponds in arid areas should be deeper than those in the rain forests in order to
Trả lời
(B)
prevent loss of fish through extreme of temperatures
36
In sheep production, litter is put on the floor mainly to
Trả lời
(C)
reduce the incidence of pneumonia in lambs
37
Determine the number of pigs that can be housed in a pigsty measuring 5.0 m by 4.0 m, if the floor space for a pig is 2.0m2.
Trả lời
(A)
10
38
The type of weed control involved when tilapia feeds on aquatic weeds is
Trả lời
(A)
biological
39
Which of the following statement about cross breeding in farm animals is false?
Trả lời
(C)
it is a practice of improving poultry production
40
On which of the following criteria is pedigree selection in animal improvement based?
Trả lời
(A)
performance of the ancestors
41
Which of the following symptoms is typical of louse infestation in livestock?
Trả lời
(A)
itching of the body
42
Which of the following statement about herbivores are true? I. non-ruminant herbivores have long ceaca II. non-ruminant herbivores have complex stomach III. ruminant herbivores chew the cud
Trả lời
(B)
I and III only
43
If an injured goat bleeds without clotting, it is likely that the goat is deficient in
Trả lời
(B)
vitamin K
44
Determine the cost price of a farm equipment that has a salvage value of N500,000.00, a useful life of 10 years and an annual depreciation of N400,000.00.
