WAEC - Agricultural Science (2017)

  • 1
    The branch of agriculture which deals with the production of fruits is called
    답변
    (A)
    pomology
  • 2
    One advantage of cooperative farming is that it 
    답변
    (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?
    답변
    (B)
    Family members have right to free use of land
  • 4
    A farmland measures 50m x 50m. Determine its area in hectares.
    답변
    (C)
    0.25ha
  • 5

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

    답변
    (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

    답변
    (D)
    IV
  • 7

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

    답변
    (D)
    remove soil from the disc
  • 8

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

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

    In the above diagram, what crop roots are represented?

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

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

    답변
    (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

    답변
    (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?

    답변
    (A)
    Pepsin
  • 36

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

    답변
    (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?

    답변
    (C)
    Electric bulb
  • 38

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

    답변
    (B)
    Fertility
  • 39

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

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

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

    답변
    (D)
    scolex
  • 44

    The parasite illustrated above obtains nutrients from the host through

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