Which of the following agricultural raw material would a glue-processing industry require?
คำตอบ
(C)
cassava
2
Perishability of farm produce can be minimized through
คำตอบ
(A)
modification of the crop genetic compostion
3
In which of the following activities is land not used for agricultural purposes?
คำตอบ
(C)
ranching
4
Which of the following statements about farm settlement schemes is false? They are set up
คำตอบ
(D)
for research and publicity
5
Water-logged soils impede good crop growth and development because
คำตอบ
(B)
crop roots are deprived of sufficient oxygen
6
The relative proportion of each fraction of soil in a soil sample determines its
คำตอบ
(A)
texture
7
Which of the following materials cannot be used for liming?
คำตอบ
(D)
urea
8
Which of the following statements about soil water is true?
คำตอบ
(D)
crops utilize capillary water in the soil
9
Which of the following soil elements becomes readily available at pH values above 8?
คำตอบ
(B)
manganese
10
Micro-nutrients are likely to be deficient in
คำตอบ
(D)
soils with low pH
11
Chlorosis with characteristic parallel white or yellow streaks observed along the veins of leaves is a deficiency symptom of
คำตอบ
(B)
magnesium
12
I. Allowing land to fallow II. Applying organic fertilizer III. Practicing monoculture IV. Growing legumes. Which of the following combinations will help to improve soil fertility status?
คำตอบ
(D)
I,II and IV only
13
I. Allowing land to fallow II. Applying organic fertilizer III. Practicing monoculture IV. Growing legumes. The spread of diseases and pests can be checked by
คำตอบ
(A)
I
14
Which of the following statements is not an advantage of drainage? It
คำตอบ
(B)
supplies moisture for plant growth
15
The problems associated with farm irrigation do not include
คำตอบ
(C)
continuous supply of irrigation water
16
I. Burning of trash II. Slashing of undergrowth III. Seed bed preparation IV. Soil tillage. Which of the following options gives the correct sequence of land preparation for planting yam?
คำตอบ
(B)
II,I,IV and III
17
I. Burning of trash II. Slashing of undergrowth III. Seed bed preparation IV. Soil tillage. Which of the following practices will enhance loss of soil water?
คำตอบ
(A)
I and II
18
The most versatile source of farm power in West Africa is
คำตอบ
(B)
animal
19
Silos ensure good storage because
คำตอบ
(B)
of the air-tight environment created
20
Which of the following statement about the advantages of farm mechanization is not true? It
คำตอบ
(B)
improves soil structure
21
The standard length of a Gunter's chain is approximately
คำตอบ
(A)
20 m
22
A farmstead is best described as
คำตอบ
(D)
farmer's abode
23
Which of the following processes in plants are directly affected by high temperature? I. Water absorption II. Photosynthesis III. Respiration IV. Photoperiodism
คำตอบ
(D)
II,III and IV only
24
Layering is advantageous because
คำตอบ
(C)
possibl failure of fertgilization is avoided
25
Drying of harvested crops is necessary because it
คำตอบ
(B)
reduces moisture content and stores better
26
Which of the following factors will not influence the yield of crops?
คำตอบ
(D)
wind direction and speed
27
If the seed rate of guinea corn is 5.6 kg per hectare, what will be the amount of seed required for planting 35 acres of farm land?
คำตอบ
(C)
196.0 kg
28
Delayed harvesting of maize may result in
คำตอบ
(B)
high incidence of pest infestation
29
Tomato plants are primarily staked to
คำตอบ
(C)
raise fruits from the ground
30
Which of the following crops does not require nursery?
คำตอบ
(B)
abelmuscus esculentus
31
An erect tropical perennial grass which grows to 3 - 6 metres tall and has broad hairy leaves is the
คำตอบ
(A)
elephant grass
32
Deforestation will eventually lead to
คำตอบ
(C)
loss of soil organic matter
33
Golden brown lesions on peeled yam tuber indicate infection by
คำตอบ
(C)
fungi
34
The eradication of mealy bugs is an effective control of
คำตอบ
(B)
swollen shoot of cocoa
35
The side effects of the various preventive and control measures of pests and diseases of crops include the following except
คำตอบ
(A)
improved quality of farm produce
36
Biological methods of weed control do not include
คำตอบ
(D)
uprooting the weeds
37
Assuming that in sheep, the allele for black coat colour is dominant over that for brown coat colour. What percentage of the F generation will have black colour when two heterozygotes are crossed?
คำตอบ
(B)
75%
38
Assuming that in sheep, the allele for black coat colour is dominant over that for brown coat colour. Crossing a heterzygote black with a homozygote brown will produce
คำตอบ
(C)
50% brown coat coloured offspring
39
Which of the following structures is not connected to the urethra of a bull?
คำตอบ
(D)
rectum
40
Ruminants do not normally show deficiency symptoms of vitamin B complex because
คำตอบ
(D)
the bacteria in their rumen synthesize the vitamins
41
Fluids from the cowpers and prostate gland help in the following except
คำตอบ
(B)
provision of nuritents for spermatozoa survival
42
The gestation period of ewe is
คำตอบ
(D)
149 days
43
The hormone that influences the movement of the pelvic ligaments during parturition in farm animals is known as
คำตอบ
(A)
relaxin
44
In which of the following systems of poultry management can the spread of diseases be kept to a minimum?
คำตอบ
(A)
battery cage
45
A wall is usually constructed in piggeries to
คำตอบ
(C)
provide baths for pigs
46
Which of the following groups of macro-nutrients is a constituent of protein?
คำตอบ
(A)
nitrogen,phosphorus and sulphur
47
Which of the following livestock diseases affects the reproductive system?
คำตอบ
(B)
brucellosis
48
When poultry flock, the birds keep passing out green, foul-smelling faeces with nervous symptoms, it means that the farmer
คำตอบ
(B)
neglected to treat them againt gumboro disease
49
When a farmer tries to eradicate snails from pastures, he is attempting to control
คำตอบ
(D)
liver flukes
50
Fertilizing a fish pond with compost manure would most likely
คำตอบ
(D)
increase phytoplankton and increase fish yield
51
A farmer sold all his harvested maize totaling 260 kg at N5.50 per kg, thereby making a profit of N430.00. Calculate the production cost of maize per kg.
คำตอบ
(B)
N3.85
52
A farmer sold all his harvested maize totaling 260 kg at N5.50 per kg, thereby making a profit of N430.00. Determine the percentage profit per kg of maize sold.
คำตอบ
(C)
43%
53
The demand for agricultural produce is generally
คำตอบ
(A)
elastic
54
Agricultural credits should be put to the following uses except
คำตอบ
(B)
meeting family needs
55
Which of the following statements is not true about profit and loss account of a farm?
คำตอบ
(B)
all expenses and purchases are listed on the right-hand side
