WAEC - Agricultural Science (1992)

  • 1
    Which of the following is not a characteristic feature of peasant farming?
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    (B)
    long-term loan facility
  • 2
    The principal involved in crop production include the following, I. controlling of diseases, weed and pests, II. maintaining the quality of agricultural produce, III. conserving and preserving of natural resources, IV. controlling soil erosion. Which of the following combination does the government aim at when making agricultural policies?
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    (D)
    I, II,III and IV
  • 3
    Which of the following is not a problem of agricultural development in Nigeria?
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    (A)
    provision of food and employment opportunity
  • 4
    What is the purpose of wildlife conservation?
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    (C)
    preventing the extinction of some wild animals
  • 5
    Adequate knowledge of climate is useful in determining the following except
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    (E)
    marketing practices and stategies
  • 6
    The most important soil microorganism which are effective decomposers of wood in forest areas are
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    (C)
    termites
  • 7
    Which of the following is not a biotic factor affecting agricultural production?
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    (B)
    soil
  • 8
    The effect of clearing agricultural lands clean of all vegetation and or trees include the following except
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    (D)
    complete removal of soil nutrients
  • 9
    Which of the following is not an advantage of drip-irrigation?
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    (D)
    its efficiency on water distribution in steep slopes is poor
  • 10
    Chlorosis observed along the veins of leaves is a characteristic symptom for the deficiency of
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    (B)
    magnesium
  • 11
    The removal of excess water from the soil surface and the upper subsoil is known as
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    (B)
    drainage
  • 12
    Which of the following is not an effect of manuring on the soil?
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    (B)
    releasing adequate plant nutrients of the appropriate time
  • 13
    A soil with low PH value can be improved by the addition of
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    (B)
    calcium carbonate
  • 14
    Which of the following factors will cause etiolation in crops?
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    (E)
    absence of light
  • 15
    Which of the following tools is the best for making seed beds?
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    (C)
    shovel
  • 16
    The windmill is normally used as a source of power in
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    (A)
    pumping well water
  • 17
    The most appropriate farm machinery for breaking soil is the
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    (B)
    plough
  • 18
    An area of land where fruit trees are cultivated is commonly called
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    (A)
    an orchard
  • 19
    The natural grasslands of West Africa are generally located in the
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    (B)
    guinea savanna
  • 20
    Which of the following forest trees is a soft wood?
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    (E)
    Gmelina
  • 21
    Soil-borne diseases of crops can be effectively reduced by
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    (B)
    crops rotation
  • 22
    Gametes are produced through the process of
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    (B)
    meiosis
  • 23
    Which of the following is the most suitable raw material used in the production of pulp in paper industry?
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    (B)
    Softwood
  • 24
    Which of the following explains the term pruning?
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    (A)
    removal of unnecessary branches of trees crops
  • 25
    28. The freshly cut forage crops fed to livestock in their housing units are referred to as
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    (E)
    soilage
  • 26
    Which of the following plant diseases is not caused by fungus
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    (D)
    cassava leaf-spot
  • 27
    Trees for lumbering will be regularly available in Nigerian forests if
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    (D)
    a tree is planted for everyone felled
  • 28
    The side effects of the various preventive and control measures of pests and diseases of crops include the following except
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    (D)
    improvement in the quality of farm produce
  • 29
    Which of the following parts of plants are normally used for vegetative propagation?
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    (E)
    stem, root and leaf
  • 30
    The correct sequence in preparing new land for cropping is usually
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    (A)
    stumping, laying out of farm, ridging and tiling
  • 31
    Which of the following methods would quickly provide a large harvest of oranges from a tree with desirable qualities?
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    (D)
    Grafting a branch from the tree with desirable qualities to the stock of other citrus trees
  • 32
    Which of the following is not an aim of improving crops?
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    (E)
    improving mechanical method of harvesting crops.
  • 33
    Which of the following is not a characteristic of a good pasture?
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    (E)
    Ability to provide mainly high quality carbohydrates.
  • 34
    Feed carotene is usually converted into
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    (E)
    vitamin A
  • 35
    Which of the following is a disadvantage of battery cage?
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    (B)
    production of eggs which cannot be hatched
  • 36
    Routine operation in cattle farming include the following except
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    (E)
    shearing
  • 37
    The act of mating in chicken is known as
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    (A)
    treading
  • 38
    Stud bull is the term used in describing
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    (B)
    a bull kept mainly for breeding
  • 39
    When an animal is being fed on a ration that does not increase its value but keeps the animal in good health and constant weight, the animal is said to be on a
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    (C)
    maintenance ration
  • 40
    The ways by which a pasture can be improved include the following except
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    (A)
    over-grazing
  • 41
    Which of the following group of diseases mostly affect goats in Nigeria?
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    (D)
    foot and mouth, mastitis and mange
  • 42
    The conditions necessary for establishing a fish pond include the following except
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    (A)
    sunlight
  • 43
    Genetic characteristics are passed from the parents to offspring through the
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    (D)
    gene
  • 44
    A livestock disease caused by a fungus is
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    (A)
    aspergillosis
  • 45
    An unproductive animal completely removed from the rest of the stock is said to be
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    (B)
    culled
  • 46
    For which of the following products do most farmers in West Africa raise pigs?
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    (A)
    Pork
  • 47
    Which of the following will not help milk let-down in a lactating dairy cow?
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    (D)
    injection of progesterone
  • 48
    Oil-meals that may be used in formulating livestock ration include the following except
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    (A)
    blood meal
  • 49
    A disease that causes abortion in cattle in the later stages of pregnancy is
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    (C)
    brucellosis
  • 50
    The type of soil recommended for pond foundation is
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    (B)
    clay
  • 51
    Which of the following animals is not normally bred in West Africa for the product indicated beside it?
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    (B)
    sheep-wool
  • 52
    Which of the following is not a source of agricultural finance in Nigeria?
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    (B)
    merchant Banks
  • 53
    Which of the following statements is not correct about agricultural production?
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    (E)
    production is restricted to the availability of commodity only
  • 54
    To which of the following factors of production does the law of diminishing returns relate?
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    (C)
    variable factors
  • 55
    The expenses of a complete farm enterprise record include the following except
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    (D)
    list of market centres