WAEC - Agricultural Science (1992)

  • 1
    Which of the following is not a characteristic feature of peasant farming?
    Одговорити
    (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?
    Одговорити
    (D)
    I, II,III and IV
  • 3
    Which of the following is not a problem of agricultural development in Nigeria?
    Одговорити
    (A)
    provision of food and employment opportunity
  • 4
    What is the purpose of wildlife conservation?
    Одговорити
    (C)
    preventing the extinction of some wild animals
  • 5
    Adequate knowledge of climate is useful in determining the following except
    Одговорити
    (E)
    marketing practices and stategies
  • 6
    The most important soil microorganism which are effective decomposers of wood in forest areas are
    Одговорити
    (C)
    termites
  • 7
    Which of the following is not a biotic factor affecting agricultural production?
    Одговорити
    (B)
    soil
  • 8
    The effect of clearing agricultural lands clean of all vegetation and or trees include the following except
    Одговорити
    (D)
    complete removal of soil nutrients
  • 9
    Which of the following is not an advantage of drip-irrigation?
    Одговорити
    (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
    Одговорити
    (B)
    magnesium
  • 11
    The removal of excess water from the soil surface and the upper subsoil is known as
    Одговорити
    (B)
    drainage
  • 12
    Which of the following is not an effect of manuring on the soil?
    Одговорити
    (B)
    releasing adequate plant nutrients of the appropriate time
  • 13
    A soil with low PH value can be improved by the addition of
    Одговорити
    (B)
    calcium carbonate
  • 14
    Which of the following factors will cause etiolation in crops?
    Одговорити
    (E)
    absence of light
  • 15
    Which of the following tools is the best for making seed beds?
    Одговорити
    (C)
    shovel
  • 16
    The windmill is normally used as a source of power in
    Одговорити
    (A)
    pumping well water
  • 17
    The most appropriate farm machinery for breaking soil is the
    Одговорити
    (B)
    plough
  • 18
    An area of land where fruit trees are cultivated is commonly called
    Одговорити
    (A)
    an orchard
  • 19
    The natural grasslands of West Africa are generally located in the
    Одговорити
    (B)
    guinea savanna
  • 20
    Which of the following forest trees is a soft wood?
    Одговорити
    (E)
    Gmelina
  • 21
    Soil-borne diseases of crops can be effectively reduced by
    Одговорити
    (B)
    crops rotation
  • 22
    Gametes are produced through the process of
    Одговорити
    (B)
    meiosis
  • 23
    Which of the following is the most suitable raw material used in the production of pulp in paper industry?
    Одговорити
    (B)
    Softwood
  • 24
    Which of the following explains the term pruning?
    Одговорити
    (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
    Одговорити
    (E)
    soilage
  • 26
    Which of the following plant diseases is not caused by fungus
    Одговорити
    (D)
    cassava leaf-spot
  • 27
    Trees for lumbering will be regularly available in Nigerian forests if
    Одговорити
    (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
    Одговорити
    (D)
    improvement in the quality of farm produce
  • 29
    Which of the following parts of plants are normally used for vegetative propagation?
    Одговорити
    (E)
    stem, root and leaf
  • 30
    The correct sequence in preparing new land for cropping is usually
    Одговорити
    (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?
    Одговорити
    (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?
    Одговорити
    (E)
    improving mechanical method of harvesting crops.
  • 33
    Which of the following is not a characteristic of a good pasture?
    Одговорити
    (E)
    Ability to provide mainly high quality carbohydrates.
  • 34
    Feed carotene is usually converted into
    Одговорити
    (E)
    vitamin A
  • 35
    Which of the following is a disadvantage of battery cage?
    Одговорити
    (B)
    production of eggs which cannot be hatched
  • 36
    Routine operation in cattle farming include the following except
    Одговорити
    (E)
    shearing
  • 37
    The act of mating in chicken is known as
    Одговорити
    (A)
    treading
  • 38
    Stud bull is the term used in describing
    Одговорити
    (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
    Одговорити
    (C)
    maintenance ration
  • 40
    The ways by which a pasture can be improved include the following except
    Одговорити
    (A)
    over-grazing
  • 41
    Which of the following group of diseases mostly affect goats in Nigeria?
    Одговорити
    (D)
    foot and mouth, mastitis and mange
  • 42
    The conditions necessary for establishing a fish pond include the following except
    Одговорити
    (A)
    sunlight
  • 43
    Genetic characteristics are passed from the parents to offspring through the
    Одговорити
    (D)
    gene
  • 44
    A livestock disease caused by a fungus is
    Одговорити
    (A)
    aspergillosis
  • 45
    An unproductive animal completely removed from the rest of the stock is said to be
    Одговорити
    (B)
    culled
  • 46
    For which of the following products do most farmers in West Africa raise pigs?
    Одговорити
    (A)
    Pork
  • 47
    Which of the following will not help milk let-down in a lactating dairy cow?
    Одговорити
    (D)
    injection of progesterone
  • 48
    Oil-meals that may be used in formulating livestock ration include the following except
    Одговорити
    (A)
    blood meal
  • 49
    A disease that causes abortion in cattle in the later stages of pregnancy is
    Одговорити
    (C)
    brucellosis
  • 50
    The type of soil recommended for pond foundation is
    Одговорити
    (B)
    clay
  • 51
    Which of the following animals is not normally bred in West Africa for the product indicated beside it?
    Одговорити
    (B)
    sheep-wool
  • 52
    Which of the following is not a source of agricultural finance in Nigeria?
    Одговорити
    (B)
    merchant Banks
  • 53
    Which of the following statements is not correct about agricultural production?
    Одговорити
    (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?
    Одговорити
    (C)
    variable factors
  • 55
    The expenses of a complete farm enterprise record include the following except
    Одговорити
    (D)
    list of market centres