the science and art of farming to satisfy human needs
2
When a piece of land is leased to a farmer, the land is said to be
Trả lời
(C)
allocated on a rental basis
3
The Nigerian Land Use Act of 1978 puts the right ownership of land on the
Trả lời
(D)
governor of a state
4
Which of the following factors will not influence the use of land for farming?
Trả lời
(D)
light intensity
5
A biotic factor influencing agricultural production is
Trả lời
(B)
predator
6
Tropical crops grow best within the temperature range of
Trả lời
(D)
180C-320C
7
The alternate heating and cooling of rocks will result in
Trả lời
(E)
fragmentation
8
Which of the following is an example of igneous rock?
Trả lời
(D)
granite
9
In an experiment to determine the percentage of humus content in a soil, the following results were obtained:
mass of dish = 10 gm
mass of dish and oven-dry soil = 50 gm
mass of dish and soil after heating = 40 gm
Calculate the amount of humus in the soil sample.
Trả lời
(A)
10 gm
10
In an experiment to determine the percentage of humus content in a soil, the following results were obtained:
mass of dish = 10 gm
mass of dish and oven-dry soil = 50 gm
mass of dish and soil after heating = 40 gm
Calculate the percentage of humus in the soil sample.
Trả lời
(B)
25%
11
The texture and the mineral composition of soil depend mainly on
Trả lời
(D)
parent material
12
Which of the following types of fertilizer is recommended for use in high quantities for groundnut production?
Trả lời
(E)
potassium and calcium fertilizer
13
Lodging in crops is caused by excess supply of
Trả lời
(A)
potassium
14
Adoption of clean clearing of land in the tropical rain forest is not advisable because it
Trả lời
(A)
encourages erosion arid leaching
15
Which of the following is not an effect of bush burning on the soil?
Trả lời
(E)
maintaining high levels of soil nutrients reserves
16
Irrigation can be defined as
Trả lời
(B)
a system of farming in whivh crops are provided with water artificially
17
Which of the following is not an advantage of farm mechanization?
Trả lời
(D)
improvement of yields
18
A fruit with many seeds that has many joined cerpels and dehisces along all sutures from base to apex is referred to as a
Trả lời
(C)
capsule
19
The maturity period of tomato in days is about
Trả lời
(B)
90
20
Tomato crops are usually staked to
Trả lời
(C)
prevent rotting of fruits
21
A perennial is a crop which
Trả lời
(B)
can grow and produce fruits for more than two years
22
Common management particles in pastures include the following except
Trả lời
(E)
overstocking
23
Which of the following is not a characteristic feature of giant-star grass?
Trả lời
(D)
easy to eradicate once established
24
The process by which a forest is renewed artificially is known as
Trả lời
(A)
forest regeneration
25
Which of the following statements represents the best reason for making access roads in a forest plantation?
Trả lời
(A)
fire-fighting purposes
26
Which of the following is not a protective function of forests?
Trả lời
(D)
tourist attraction
27
A common disease of onion is
Trả lời
(E)
mosaic
28
Rice blast is caused by
Trả lời
(D)
a fungus
29
Which of the following diseases of crops is not caused by a fungus?
Trả lời
(D)
streak of maize
30
Biological control of insect pests of crops can best be carried out through
Trả lời
(B)
use of parasites and predators
31
The aims of crop improvement include the following except
Trả lời
(E)
reducing demand for a particular type of crop
32
The chromosomes in a cell are located in the
Trả lời
(D)
nucleus
33
A great disadvantage of introduction as a method of crop improvement is the
Trả lời
(D)
introduction of a new type of disease into a new area of cultivation
34
Which of the following structures does not serve a protective function?
Trả lời
(D)
bone
35
The blind sacs at the junction of the small and large intestines of a fowl are called
Trả lời
(E)
caeca
36
One of the peculiarities of the intestine tract of a fowl is the possession of
Trả lời
(A)
cloaca
37
The humpless breed of cattle which also possess short horns is
Trả lời
(E)
muturu
38
The breed of goat popularly kept mainly for its skin is
Trả lời
(C)
sokoto red
39
A livestock farmer was instructed to mix 1 litre of acaricide with 175 litres of water. calculate the amount of water he needs to mix 20 litres of acaricides
Trả lời
(E)
3500 litres
40
Which of the following will not be an effect of excessive amount of water content in feeds?
Trả lời
(E)
improving quality of such feeds
41
Which of the following husbandry practices is not carried out in pig farming?
Trả lời
(D)
shearing of hairs of the skin
42
The most important source of carbohydrate in livestock feed is
Trả lời
(A)
maize
43
An effective way of ensuring built-in resistance to disease in calves is to
Trả lời
(B)
allow calves access to colostrum
44
Which of the following livestock parasites possesses proglottides?
Trả lời
(C)
tapeworm
45
Which of the following is the first operation in the establishment of a fish pond?
Trả lời
(D)
clearing and stumping of site
46
The importance of fish farming includes the following except
Trả lời
(D)
ddischarge of waste used in the control of pond's pests
47
Which of the following statements about cross-breeding is not correct?
Trả lời
(D)
the individuals used in cross-breeding have all characters in common
48
The factor of production include the following except
Trả lời
(A)
marketing
49
The most important economic factor which determines the quality of cassava a consumer will demand is the
Trả lời
(B)
price of cassava
50
The increasing significance of agricultural finance include the following except