The most important soil micro-organisms concerned with decay and nutrients-recycling are
답변
(A)
bacteria and fungi
2
the nutrient content of soil may be influenced by the following except
답변
(A)
harrowing
3
What happens to the nitrogen and sulphur contents of vegetation when burning is used as a means of lans clearing? They
답변
(A)
are released by burning and lost as gases
4
Which of the following does not occur as a result of poor drained soil?
답변
(E)
increase in oxygen level of the soil
5
The different types of soil are determined by the relative amounts of each of the following components except
답변
(A)
rocks
6
Fertilizers that usually contain one nutrient which can be used directly by plants are commonly called
답변
(E)
straight fertilizers
7
A soil with particles of less than 0.002mm in diameter is referred to as
답변
(A)
clay
8
Which of the following factors does not bring about soil formation?
답변
(D)
sunshine
9
Plant micro-nutrients include the following except
답변
(A)
sulphur
10
Most crop plants do not survive in water-logged soils because
답변
(E)
oxygen has been displaced to its deficiency for crops
11
If the ginning percentage of the samaru variety of cotton is 35, what will be the amount of raw cotton obtained from a 6 hectare farm with a yield of 330 kg seed cotton per hectare?
답변
(E)
6930 kg
12
Which of the following factors does not affect the distribution of pasture grasses?
답변
(A)
type of species
13
Which of the following is not a reason for the government to encourage the planting of trees
답변
(E)
increasing output of mineral oil
14
Which of the following crops does not require nursery?
답변
(E)
maize
15
The causal organism of damping-oil disease of okra is a
답변
(E)
fungus
16
Which of the following crops cannot be easily improved by cross-breeding?
답변
(E)
yam
17
The commonest method of vegetative propagation is by
답변
(C)
cutting
18
I. spreading and perennial plant with long and rapid growing stems. II. height of plant about 1.2m III. resistance to dry weather. Which of the following pasture grasses has the description given above?
답변
(E)
gaint star grass
19
The annual burning of forest areas encourages
답변
(B)
deforestation
20
Which of the following crops is not correctly grouped with its industrial product?
답변
(E)
orange-margarine
21
The objective of crops improvement programmes is to produce the following except
답변
(E)
crops resistant to all pests
22
The bacterial blight of cotton is also known as
답변
(A)
black arm
23
Staking is very essential in the cultivation of
답변
(D)
tomato and yam
24
Vetok 85 is used to control
답변
(C)
stem borers
25
What symptom can be used to identify maize rust?
답변
(B)
raised brown spots on the leaves
26
I.Pale leaves II. Shrunken new leaves III. Water-soaked bark which peels off IV. Gum-like exudation from the cracks on the bark. Which of the following diseases of citrus has the symptoms listed above?
답변
(B)
gum-mosis
27
Which of the following is not a breed of cattle?
답변
(D)
sokoto red
28
Which of the following may cause disease in a fish pond?
답변
(C)
poor management practices
29
Which of the following may cause disease in a fish pond?
답변
(C)
poor management practices
30
The act of parturition in rabbits is called
답변
(A)
kindling
31
The factor affecting growth and development of young animals from birth to maturity include the following except
답변
(B)
size of the head
32
Which of the following is not a sign of animal approaching parturition?
답변
(E)
drop in milk production
33
Daily management routines in poultry include the following except
답변
(E)
debeaking
34
Basal feeds have a high proportion of easily digestible
답변
(E)
carbohydrates
35
The length of oestrus cycle (in days) in goat is
답변
(B)
18 - 21
36
When a cockerel is castrated, it becomes a
답변
(E)
pullet
37
Forages cut fresh and preserved in silo or pit are referred to as
답변
(B)
silage
38
Which of the following is not a method of improving range land?
답변
(E)
overgrazing
39
Which of the following characteristics is not correct of pigs?
답변
(E)
source of skin
40
The best control ensure for rinderpest disease in cattle is
답변
(E)
vaccination
41
Management practices of established pasture include the following except
답변
(B)
transplanting
42
Temperature is an important factor which is monitored in fish ponds because
답변
(C)
it affects the metabolic processes in fish
43
Diarrhoea tainted with blood is a symptom of
답변
(B)
coccidiosis
44
The major cause of spoilage in fresh fish is
답변
(D)
bacterial attack
45
Selection of breeding males based on the performance of their female relatives is known as
답변
(A)
sib-selection
46
A farmer uses his agricultural loans for the following except
답변
(E)
marketing his crops
47
What is the effect of stability of market price on a produce? The
답변
(A)
profit of the producer would be constant if there is no increase in cost inputs
48
From which of the following sources can agricultural credits be more easily obtained by peasant farmers?
답변
(E)
credit and thrift socities
49
Net worth statement can be referred to as
답변
(A)
balance sheet
50
Which of the following activities is correct about agricultural extension agent?
답변
(B)
educating farmers on the use of improved inputs and techniques in agriculture
