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