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