WAEC - Agricultural Science (2017)

  • 1
    The branch of agriculture which deals with the production of fruits is called
    Răspuns
    (A)
    pomology
  • 2
    One advantage of cooperative farming is that it 
    Răspuns
    (C)
    enables farmers to acquire loans from the bank
  • 3
    Which of the following statements is not a problem associated with land tenure system through inheritance?
    Răspuns
    (B)
    Family members have right to free use of land
  • 4
    A farmland measures 50m x 50m. Determine its area in hectares.
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    (C)
    0.25ha
  • 5

    From the illustration of farm implements above, the part labelled I is called

    Răspuns
    (B)
    beam
  • 6

    Above is the illustration of farm implements. The part which makes horizontal cuts into the soil and uproots weeds is labelled as

    Răspuns
    (D)
    IV
  • 7

    The diagram above is an illustration of farm implements; The function of the part labelled II is to

    Răspuns
    (D)
    remove soil from the disc
  • 8

    In the diagram of farm implements above, which of the labeled parts brings balance to the implements?

    Răspuns
    (C)
    III
  • 9
    A farming in which different types of crops are grown in quick succession, in a definite order on the same piece of land is termed
    Răspuns
    (D)
    crop rotation
  • 10
    Land use for agriculture in West Africa is influenced by the following factors except
    Răspuns
    (C)
    fallowing
  • 11
    A social factor which affects land availability and use is
    Răspuns
    (D)
    culture of the people
  • 12
    The following are climatic conditions affecting agricultural production except
    Răspuns
    (D)
    topography
  • 13
    Predators are used by farmers to
    Răspuns
    (A)
    control pests
  • 14
    Which of the following agents is not associated with chemical weathering?
    Răspuns
    (B)
    pressure
  • 15
    Which of the following statements is not correct about soil texture?
    Răspuns
    (B)
    Fine-textured soils are warm soils and coarse-textured soils are cool soils
  • 16
    Inhibition of root and fruit formation are deficiency symptoms of
    Răspuns
    (D)
    phosphorus
  • 17
    In the carbon cycle, carbon dioxide is used by crops for
    Răspuns
    (A)
    photosynthesis
  • 18
    Flood irrigation is used for the cultivation of
    Răspuns
    (B)
    swamp rice
  • 19
    The presence of excess water in the colloids of soil particles is known as
    Răspuns
    (B)
    waterlogging
  • 20

    In the above diagram, what crop roots are represented?

    Răspuns
    (A)
    a legume
  • 21
    If rows of crops are spaced 1.0m apart with one seed sown per stand, determine the spacing between stands to obtain a plant population of 40,000 plants per hectare.
    Răspuns
    (A)
    0.25m
  • 22
    The correct sequence of pre-planting operations in
    Răspuns
    (A)
    \(clearing \to stumping \to ploughing \to harrowing\)
  • 23
    Heat treatment of oil palm seeds before sowing helps to
    Răspuns
    (C)
    break embryo dormancy
  • 24
    Imported plants are expected to be
    Răspuns
    (D)
    quarantined
  • 25
    A breeding method which involves the production of heterozygous populations from homozygous lines is
    Răspuns
    (A)
    inbreeding
  • 26
    A raw material that could be obtained from the forest is
    Răspuns
    (B)
    honey
  • 27
    Which of the following methods of plant propagation is limited to plants which root easily?
    Răspuns
    (B)
    Layering and cutting
  • 28
    Which of the following practices is not a way of maintaining ornamental plants?
    Răspuns
    (D)
    Harvesting
  • 29
    Which of the following pairs of diseases attack coffee?
    Răspuns
    (D)
    Rust and leaf spot
  • 30
    Insect-pests of crops could be controlled by
    Răspuns
    (C)
    crop rotation
  • 31
    Which of the following insect-pests does not attack cotton?
    Răspuns
    (C)
    Weevil
  • 32
    Which of the following practices is an example of a cultural weed control method?
    Răspuns
    (D)
    Mulching
  • 33

    The diagram above is the digestive tract of a farm animal. What farm animal is being referred to?

    Răspuns
    (C)
    pig
  • 34

    In the diagram above showing the digestive tract of a certain farm animal, the digestion of protein starts in the part labelled

    Răspuns
    (A)
    I
  • 35

    In the diagram above which shows the digestive tract for a certain farm animal, which of the following enzymes is not secreted by the part labelled III?

    Răspuns
    (A)
    Pepsin
  • 36

    Which of the above illustrated poultry equipment is not used in a brooder house?

    Răspuns
    (A)
    I
  • 37

    Which of the following equipment from the poultry equipments illustrated above could be used in the place of the equipment labelled II in the management of chicks?

    Răspuns
    (C)
    Electric bulb
  • 38

    In the poultry equipments above, which quality of eggs is associated with the equipment labelled I?

    Răspuns
    (B)
    Fertility
  • 39

    In the diagram above, what kind of identification method is illustrated?

    Răspuns
    (D)
    Branding
  • 40
    A farmer collects 800 eggs from a laying stock of 1,200 birds per day. Determine the laying percentage of the birds
    Răspuns
    (B)
    67%
  • 41
    By-products of livestock used as feed ingredients in poultry ration include
    Răspuns
    (B)
    blood and bones
  • 42
    The practice of mating closely related animals is called
    Răspuns
    (C)
    in-breeding
  • 43

    The parts labelled I, II and III of the farm animal parasite above form the

    Răspuns
    (D)
    scolex
  • 44

    The parasite illustrated above obtains nutrients from the host through

    Răspuns
    (B)
    diffusion
  • 45
    In fish farming, clarias is introduced to a pond stocked with Tilapia in order to
    Răspuns
    (C)
    check pests in the pond water