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JAMB - Agricultural Science (2023)

1
What is the primary purpose of farm surveying in agriculture?
Answer
(A)
Mapping land boundaries
2
Which of the following is an example of a farm implement used for soil preparation in agriculture?
Answer
(D)
Plow
3
What is the importance of agriculture?
Answer
(B)
Agriculture is essential for food production and food security
4
What is rock weathering and how does it affect agriculture?
Answer
(B)
Rock weathering is the process of breaking down rocks into smaller fragments
5
What are biotic factors in an agricultural ecosystem?
Answer
(B)
Factors related to the living organisms
6
What is the process of removing the horns of cattle called?
Answer
(C)
Dehorning
7
What is crop science?
Answer
(D)
The study of plant genetics and breeding
8
What are abiotic factors in an agricultural ecosystem?
Answer
(D)
Factors related to the physical environment
9
The N'dama breed of cattle is primarily raised for
Answer
(B)
Meat production
10
Which breed of sheep is commonly found in Nigeria and known for its meat production?
Answer
(A)
West African Dwarf
11
Which of the following is a hand tool commonly used in agriculture for cutting grass or crops?
Answer
(C)
Scythe
12
What are the important properties of soil in agriculture?
Answer
(C)
All of the above
13
Which of the following is NOT a principle of agronomy?
Answer
(C)
Promoting biodiversity conservation
14
Which of the following is an objective of agricultural development programs?
Answer
(C)
Enhancing sustainable agricultural practices
15
What is agronomy?
Answer
(A)
The study of crop production and soil management
16
Which of the following is NOT a component of agronomy?
Answer
(D)
Animal husbandry
17
Which of the following is an example of agricultural technology?
Answer
(B)
Irrigation
18
Which of the following is NOT an agent of pollination in plants?
Answer
(D)
Fungi
19
Which of the following is an example of a biotic factor in an agricultural ecosystem?
Answer
(D)
Crop pests
20
What factors influence soil fertility in agriculture?
Answer
(D)
All of the above
21
Which of the following is an example of a monogastric animal?
Answer
(C)
Chicken
22
The Sokoto Gudali is a breed of
Answer
(B)
Cattle
23
Which of the following is a method of plant propagation that involves the use of plant parts?
Answer
(D)
Grafting
24
Which of the following is not a branch of agriculture?
Answer
(D)
Zoology
25
The Balami is a breed of
Answer
(B)
Sheep
26
What are the main components of soil?
Answer
(D)
All of the above
27
Which of the following is a common problem in agricultural economics and extension?
Answer
(D)
Lack of access to modern technology
28
Which of the following best describes agricultural marketing?
Answer
(D)
The promotion and selling of agricultural products
29
What is subsistence agriculture?
Answer
(C)
Farming for self-sufficiency and survival
30
What is soil conservation, and why is it important in agriculture?
Answer
(B)
Soil conservation refers to the preservation and sustainable management of soil resources
31
What are the main differences between monocot and dicot plants?
Answer
(C)
All of the above
32
What is agricultural ecology?
Answer
(C)
The study of ecological processes in agricultural systems and their interactions
33
What is a soil profile, and what information does it provide in agricultural practices?
Answer
(C)
A soil profile is a vertical section of the soil that reveals its layers or horizons
34
What is the primary purpose of farmstead planning in agriculture?
Answer
(C)
Efficient utilization of available space
35
What is animal production in agriculture?
Answer
(A)
The management and care of livestock for various purposes
36
What is pollination in plants?
Answer
(B)
The transfer of pollen from the anther to the stigma of a flower
37
What is commercial agriculture?
Answer
(A)
Large-scale farming for profit and market-oriented production
38
Which of the following is an example of an agricultural extension method used to disseminate information to farmers?
Answer
(C)
Farmer field schools
39
Which of the following are branches of agriculture?
Answer
(B)
Agronomy and Horticulture
40
What is the primary goal of agricultural extension services in the field of agricultural economics?
Answer
(C)
Enhancing market access for farmers
41
What is the primary characteristic of weeds in agriculture?
Answer
(B)
They compete with crops for resources
42
Which of the following is a potential disadvantage of agricultural extension?
Answer
(A)
Lack of access to extension services in remote areas
43
What is the primary purpose of mixed cropping in agriculture?
Answer
(D)
Reducing the risk of crop failure
44
Which of the following is a form of land ownership in which an individual holds complete ownership and control over a piece of land?
Answer
(B)
Freehold
45
What is the primary purpose of a pasture in agriculture?
Answer
(A)
Grazing animals for forage
46
How are farm animals classified based on their feeding habits?
Answer
(B)
By their feeding preferences
47
Which of the following is a branch of agriculture that focuses on the cultivation of fruits, vegetables, and ornamental plants?
Answer
(D)
Horticulture
48
Which of the following is an example of farm machinery used for planting seeds?
Answer
(D)
Seed drill
49
What does the scale of preference represent in agricultural decision-making?
Answer
(A)
The ranking of available choices based on personal preference
50
Which of the following is a primary function of the digestive system?
Answer
(D)
Absorption of nutrients
51
What is the primary goal of crop improvement in agriculture?
Answer
(D)
Enhancing crop yield and quality
52
Which of the following is a common method of disseminating information to farmers?
Answer
(A)
All of the above
53
Which of the following periods marked the beginning of agricultural practices by early human societies?
Answer
(A)
Paleolithic Age
54
What is the role of agricultural extension officers in the field of agriculture?
Answer
(D)
Delivering agricultural education and training to farmers
55
What is the primary function of the reproductive system in farm animals?
Answer
(B)
Reproduction and propagation of the species
56
What is the primary function of the reproductive system in farm animals?
Answer
(B)
Reproduction and propagation of the species
57
What does the concept of demand and supply refer to in agriculture?
Answer
(D)
The interaction between buyers and sellers in agricultural markets
58
What is the primary goal of genetic engineering in agriculture?
Answer
(A)
Creating genetically modified organisms (GMOs) with desirable traits
59
Farm animals can be classified into three main categories based on their primary purpose. Which of the following is NOT one of those categories?
Answer
(B)
Aquatic animals
60
What is the term used to describe the deliberate modification of an organism's genetic material using biotechnology techniques?
Answer
(C)
Genetic engineering
61
What is the primary focus of agronomy in agriculture?
Answer
(A)
Management of soil and crops
62
What happens to the price of a agricultural product when demand exceeds supply?
Answer
(D)
The price increases
63
What does the term "recombinant DNA" refer to in biotechnology?
Answer
(D)
DNA modified to contain genes from different organisms
64
What is the process of introducing foreign genetic material into an organism called?
Answer
(B)
Transformation
65
What is the primary focus of animal husbandry in agriculture?
Answer
(C)
Breeding and management of farm animals
66
Which of the following is an important aspect of livestock management in agriculture?
Answer
(C)
Animal health and welfare
67
What is the primary objective of agricultural research?
Answer
(D)
Enhancing agricultural productivity and sustainability
68
What is the primary purpose of storage facilities in agriculture?
Answer
(B)
Storing and preserving harvested crops
69
What is the purpose of using a scale of preference in agricultural decision-making?
Answer
(C)
To allocate resources effectively among different activities
70
Which of the following is a common by-product of farm animals?
Answer
(A)
All of the above
71
Which part of a tractor is responsible for providing power to the attached implements or machinery?
Answer
(D)
Hydraulic system
72
What is the primary purpose of agricultural mechanization?
Answer
(C)
Reducing labor requirements in agriculture
73
What are some advantages of agricultural extension?
Answer
(A)
All of the above
74
What is the role of agricultural extension officers in relation to farmers?
Answer
(C)
To offer technical advice and assistance to farmers
75
What is the relationship between demand and supply in agriculture?
Answer
(B)
Demand and supply in agriculture are interdependent
76
What is the primary purpose of an agricultural extension service?
Answer
(B)
Offering training and advisory services to farmers
77
What is a potential disadvantage of mass media for farmers?
Answer
(C)
Limited access to information
78
Which of the following is an example of a pasture commonly used in agriculture?
Answer
(C)
Cattle pasture
79
Which of the following is NOT a component of soil?
Answer
(C)
rubber
80
What are the primary benefits of agricultural extension services?
Answer
(B)
Enhanced knowledge and skills of farmers