WAEC - Agricultural Science (2017)

  • 1
    The branch of agriculture which deals with the production of fruits is called
    Απάντηση
    (A)
    pomology
  • 2
    One advantage of cooperative farming is that it 
    Απάντηση
    (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?
    Απάντηση
    (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

    Απάντηση
    (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

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    (D)
    IV
  • 7

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

    Απάντηση
    (D)
    remove soil from the disc
  • 8

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

    Απάντηση
    (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
    Απάντηση
    (D)
    crop rotation
  • 10
    Land use for agriculture in West Africa is influenced by the following factors except
    Απάντηση
    (C)
    fallowing
  • 11
    A social factor which affects land availability and use is
    Απάντηση
    (D)
    culture of the people
  • 12
    The following are climatic conditions affecting agricultural production except
    Απάντηση
    (D)
    topography
  • 13
    Predators are used by farmers to
    Απάντηση
    (A)
    control pests
  • 14
    Which of the following agents is not associated with chemical weathering?
    Απάντηση
    (B)
    pressure
  • 15
    Which of the following statements is not correct about soil texture?
    Απάντηση
    (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
    Απάντηση
    (D)
    phosphorus
  • 17
    In the carbon cycle, carbon dioxide is used by crops for
    Απάντηση
    (A)
    photosynthesis
  • 18
    Flood irrigation is used for the cultivation of
    Απάντηση
    (B)
    swamp rice
  • 19
    The presence of excess water in the colloids of soil particles is known as
    Απάντηση
    (B)
    waterlogging
  • 20

    In the above diagram, what crop roots are represented?

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

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

    Απάντηση
    (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

    Απάντηση
    (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?

    Απάντηση
    (A)
    Pepsin
  • 36

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

    Απάντηση
    (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?

    Απάντηση
    (C)
    Electric bulb
  • 38

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

    Απάντηση
    (B)
    Fertility
  • 39

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

    Απάντηση
    (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
    Απάντηση
    (B)
    67%
  • 41
    By-products of livestock used as feed ingredients in poultry ration include
    Απάντηση
    (B)
    blood and bones
  • 42
    The practice of mating closely related animals is called
    Απάντηση
    (C)
    in-breeding
  • 43

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

    Απάντηση
    (D)
    scolex
  • 44

    The parasite illustrated above obtains nutrients from the host through

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