JAMB - Agricultural Science (2023)

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