JAMB - Agricultural Science (2022)

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