The process of grafting in crop production involves
คำตอบ
(D)
The joining of two parts from related crops.
2
If the recommended spacing for a tree crop is 2.5cm by 4.0m determine the number of seedlings required to plant a 2-hectare farmland.
คำตอบ
(B)
2,000
3
A regulatory control of diseases in crop production is
คำตอบ
(B)
quarantine
4
Which of the following statements about soil organisms is false?
คำตอบ
(A)
Soil pH will affect the population of soil organisms
5
The data for feed consumption and weighing gain of four farm animals labelled P, Q, R and S are shown below.
P -50kg feed consumed and 20kg weight gained Q -90kg feed consumed and 30kg weight gained R -100kg feed consumed and 25kg weight gained S - 150kg feed consumed and 30kg weight gained.
Which of the following must efficient feed converter?
คำตอบ
(A)
P
6
In preparing for parturition of a sow, warmth should be provided to
คำตอบ
(D)
prevent chilling of the young.
7
In which layer of the soil profile do most biological activities occur?
คำตอบ
(D)
A-horizon
8
Which of the following statements about agricultural development are true? It leads to
I. increased processing of produce
II. Increased food production.
III. High productivity.
IV. Increased agricultural labour force.
คำตอบ
(A)
I, II and III only
9
Under the communal land tenure system, farmers find it difficult to secure loans because
คำตอบ
(C)
land holdings cannot be used as security
10
Pineapple is widely propagated using
คำตอบ
(B)
suckets
11
The correct sequence for the use of coupled implements for land preparation is
คำตอบ
(A)
Plough, harrow and ridger
12
The correct sequence of feed utilization in farm animals is
คำตอบ
(B)
ingestion-digestion-assimilation-absorption
13
Which of the following statements is a disadvantage of human power? It
คำตอบ
(D)
has low output.
14
Which of the following factors are causes of deforestation in West Africa?
I. Expansion of cultivated land
II. High population growth rate
III. Conservation of wildlife in game reserves
IV. Urban growth
คำตอบ
(C)
I, II and IV only
15
Which of the following properties of soil determines its water-holding capacity?
I. Texture
II. pH
III. Colour
IV. Structure
คำตอบ
(B)
I and IV only
16
Which of the following diseases commonly occurs during brooding?
I. Yolk sac infection
II. Coccidiosis
III. Fowl pox
IV. Pullorum
คำตอบ
(C)
I, III and IV only
17
A detrimental effect of bush burning is that it
คำตอบ
(A)
destroys soil organic matter
18
Government plays roles in the development of agriculture through the following means except
คำตอบ
(B)
training of farmer's children
19
Sexual maturity in farm animals is not influenced by their
คำตอบ
(D)
wearing age
20
Which of the following factors does not influence the distribution of cattle in West Africa?
คำตอบ
(B)
Light
21
Close to the time of harvesting of cotton, sunshine is needed to ensure the production of bolls that are
คำตอบ
(B)
Bright
22
Agriculture contributes to the economy of West African countries through the following means except
คำตอบ
(B)
Supply of armament for territorial defence
23
In animal production, newly-born rabbits are called
คำตอบ
(A)
Bunnies
24
Which of the following crops has a fibrous root system?
คำตอบ
(D)
sugarcane
25
Which of the following insects transmits swollen shoot disease of cocoa?
คำตอบ
(B)
Mealybug
26
Soil water that is available for root absorption at field capacity is
คำตอบ
(A)
Capillary water
27
The weight of a sheep increased from 25kg to 45kg in two months.
If the total consumption during the period was 60kg. Determine the feed conversion ratio
คำตอบ
(C)
3 : 1
28
Which of the following statements is correct about micro-nutrients? They
คำตอบ
(B)
are required by plants in very small quantities
29
Yellow colouration of the lower leaves of a growing maize plant may be due to deficiency in
คำตอบ
(B)
phosphorus
30
The following crops will enrich the soil with nitrates except
คำตอบ
(D)
Axonopus
31
The instrument which enables a surveyor to find the direction of a base line is
คำตอบ
(D)
magnetic compass
32
In crop production, ginger is propagated by
คำตอบ
(C)
rhizome
33
Tomatoes are staked in order to
คำตอบ
(A)
accelerate their growth
34
Crop rotation decreases the incidence of pests by
คำตอบ
(A)
breaking life cycles of pests
35
The following are advantages of sub-surface irrigation except that
คำตอบ
(D)
it reduces the incidence of pests
36
Which of the following groups of rocks is formed as a result of volcanic eruption?
คำตอบ
(B)
Basalt, granite and pumice
37
Poaching is prohibited in game reserves to
คำตอบ
(B)
conserve wildlife
38
If T represents the gene for tallness while t represents dwarfness
The genotypic ratio of the second filial generation will be
คำตอบ
(A)
3 : 1
39
The forest management system which involves the planting of both food crops and forest trees on the same piece of land at the same time is known as
คำตอบ
(B)
Taungya
40
If T represents the gene for tallness while t represents dwarfness
When a tall (TT) crop is crossed with a dwarf (tt) crop, the resultant crops will be
คำตอบ
(B)
100% tall
41
Corns, rhizomes and tubers are examples of
คำตอบ
(A)
underground stems
42
A sow that is not producing milk after farrowing should be given
คำตอบ
(A)
oxytocin
43
The main objective of establishing forest in the arid region is to
คำตอบ
(A)
check desert encroachment
44
The data for feed consumption and weighing gain of four farm animals labelled P, Q, R and S are shown below.
P-50kg feed consumed and 20kg weight gained Q-90kg feed consumed and 30kg weight gained R-100kg feed consumed and 25kg weight gained S - 150kg feed consumed and 30kg weight gained.
The feed conversion efficiency of the poorest weight gainer is
