JAMB - Agricultural Science (2022)

1
The following conditions are necessary for germination except
Answer
(C)
zero temperature
2
_________ is the sowing of seed by drilling with stick or knife, followed by dropping seeds and covering them
Answer
(D)
Drilling
3
The process whereby the embryo of a seed resumes growth under favourable conditions is called
Answer
(B)
Germination
4
_______ refers to the appearance of a seedling above soil level.
Answer
(A)
Emergence
5
The young plants that emerge during germination are called
Answer
(C)
Seedlings
6
One of the followings is not a basic consideration in planting operations
Answer
(D)
Planting weed
7
__________ is the distance of the sown seed in the soil from the soil surface
Answer
(B)
Planting depth
8
__________ is a special place prepared for raising seedlings which are later taken to the field for proper planting.
Answer
(A)
Nursery
9
The following are post planting operations except
Answer
(D)
Ridging
10
The removal of excess seedlings from a seedbed after the viable seeds have germinated is
Answer
(B)
Thinning
11
_________ is the artificial watering of farmland
Answer
(D)
Irrigation
12
Which of the following methods of storage is used for grains
Answer
(C)
Silos
13
Some seeds are raised in the nursery because
Answer
(A)
The seedlings are weak
14
This is the removal of unwanted plants on the farm
Answer
(A)
Weeding
15
The following problems are usually associated with subsistence agriculture except
Answer
(C)
It requires a large area of land
16
Which of the following processes is not used in rice processing
Answer
(D)
Fermentation
17
Primary tillage is also known as
Answer
(A)
Ploughing
18
Climatic factors which affects organisms include the following except
Answer
(D)
Rocks
19
The following animals are polygastric animals except
Answer
(A)
Pigs
20
Which branch of ecology deals with the study of an individual organism and its interaction with the environment is
Answer
(D)
autecology
21
The vertical section of the soil showing series of horizontal layers of different types of soil is called
Answer
(C)
Soil profile
22
The A-Horizon of soil profile is also called the
Answer
(A)
Top soil
23
The B-Horizon of soil profile is also called the
Answer
(B)
Sub-soil
24
____________ is said to occur when a ration does not provide all the food nutrients in adequate quantities needed by animal.
Answer
(D)
Malnutrition
25
The feed that is regularly offered to or consumed by the animal is called
Answer
(B)
Ration
26
Which of the following type of rations will supplies the animal with just the quantity of nutrients that are enough to enable the animal carry on with vital body activities without losing or gaining another substance
Answer
(A)
maintenance ration
27
The quantity of ration that can supply the requirement nutrients above the maintenance to enable the animal produce the form of animal product for which the livestock is kept is known as
Answer
(C)
production ration
28
Which of the following classes of nutrient is used only for energy production in farm animals?
Answer
(D)
Carbohydrates
29
________ is a disease condition which emanates from inadequate nutrition.
Answer
(A)
Nutritional deficiency
30
Preservation of fish prevents the following except
Answer
(D)
Processing
31
Which of the following is a powerful and expensive multipurpose motor vehicle used for lifting or pulling farm implements?
Answer
(B)
Tractor
32
The following are types of planters except
Answer
(D)
Ridger planter
33
Which of the following is not a type of harvester?
Answer
(A)
Plough
34
The followings are functions of a sprayer except
Answer
(C)
It can be used to plant seeds
35
Which of these is not an example of tractor coupled implement?
Answer
(B)
Incubator
36
___________ is the process which assist farmers through educational procedures in improving farming methods
Answer
(B)
Agricultural extension
37
One of the followings is not an objective of agricultural extension
Answer
(C)
To abandon the development of rural area
38
The principles of agricultural extension includes the following except
Answer
(D)
Reduce the confidence of your audience
39
__________is used to create awareness and interest in the new ideas and techniques among the majority of the people
Answer
(A)
mass media method
40
The following are examples of agricultural extension except
Answer
(D)
red revolution programme
41
Which of the following is not an organic manure?
Answer
(D)
Fertilizer
42
Which of these operations comes first in cultural practice?
Answer
(C)
Stumping
43
The botanical name of maize is
Answer
(B)
Zea mays
44
Cultural practices can be classified into the following except
Answer
(D)
in-planting operations
45
Which of the following is not a pre-planting operations?
Answer
(C)
Thinning
46
Water yam is also known as
Answer
(A)
Dioscorea alata
47
Legumes that produce edible seeds are known as
Answer
(A)
pulses
48
_________ is concerned with the study of the inter-relationships between groups of organisms living together in an area
Answer
(B)
Synecology
49
___________ consists of living factors(plants and animals) interacting with the non-living factors in a farm environment
Answer
(A)
Ecosystem
50
Which of the followings is not an abiotic components of an ecosystem?
Answer
(D)
Micro-organisms
51
The animal dungs are used as_____to improve the soil fertility
Answer
(B)
organic manure
52
Fishing methods involves the use of the following different techniques or equipments except
Answer
(D)
Poisoning
53
The following steps are necessary when establishing a fish pond except
Answer
(A)
Moisture
54
In ponds, fish is usually caught with the following except
Answer
(A)
Pollution
55
One of the followings is not a type of pond
Answer
(A)
Metallic pond
56
Which of the followings is not an advantage of Introduction
Answer
(C)
It may not perform maximally
57
The mating of unrelated individual animals within the same breed is called
Answer
(A)
Out breeding
58
The following are solutions to poor transportation network experienced by farmers except
Answer
(D)
Presence of bad roads
59
Which of the following is not a role of science and technology in agricultural development in Nigeria?
Answer
(D)
Poor transportation network
60
The major factors affecting the application of science and technology to Nigeria agriculture include the following except
Answer
(D)
Availability of fund
61
Bulldozers are powerful tractors and expensive machines with a
Answer
(A)
broad steel blade
62
Bulldozer is used for the following purpose except
Answer
(D)
planting of trees
63
Which of the following is not a component of an incubator ?
Answer
(B)
temperature
64
The following are advantages of using disc plough over mouldboard plough in West Africa except
Answer
(D)
Mouldboard plough makes deeper cuts than disc plough
65
_______ is a secondary tillage implement
Answer
(A)
Harrow
66
Broadcast Crop Planter is designed
Answer
(C)
to plant seeds by random scattering of seeds about the field.
67
A person who is involved in the dissemination of new ideas and techniques from the research institutes to the farmers is called
Answer
(D)
Agricultural Extension Officer
68
Roles of an extension agent includes the following except
Answer
(A)
He does not liaises with other agencies
69
___________ is a process of spreading new ideas and information from research station to reach farm families
Answer
(B)
Diffusion
70
Agricultural extension serves as ____ between research institute and farmers
Answer
(B)
bridge
71
Television, radio, posters, bulletin are ____ method of extension
Answer
(C)
mass media
72
The following are extension methods except
Answer
(D)
none of the above
73
Which of the following is a disadvantages of mass method
Answer
(A)
It is very expensive to operate
74
__________ is a pictorial presentation meant to educate or inform the literate audience
Answer
(D)
Poster
75
________ is all written ideas and innovation for literate to read, understand and apply.
Answer
(A)
A bulletin