WAEC - Agricultural Science (1997)

  • 1
    Which of the following is not correct about the importance of agriculture?
    उत्तर
    (D)
    serving as main source of foriegn exchange
  • 2
    Most of the land used for agriculture in Nigeria are acquired through
    उत्तर
    (E)
    inheritance
  • 3
    The roles of government in the development of agriculture include the following except
    उत्तर
    (E)
    training of farmers children
  • 4
    Which of the following in not an effect of the North-East trade winds on agriculture?
    उत्तर
    (D)
    causing heavy rainfall
  • 5
    Ice causes rock weathering
    उत्तर
    (D)
    by exerting an abrasive action on rock fragments
  • 6
    The following are characteristics of quartz except
    उत्तर
    (D)
    having cleavage
  • 7
    The factors which affect the number and the activities of soil micro-organisms include the following except
    उत्तर
    (A)
    topography
  • 8
    Which of the following does not influence rock weathering?
    उत्तर
    (D)
    ammonification
  • 9
    The amount of air and water in the soil is mostly affected by the
    उत्तर
    (E)
    structure of the soil
  • 10
    Which of the following is a soil micro-nutrient?
    उत्तर
    (D)
    iron
  • 11
    Crops grown in nitrogen deficient soil show the following characteristics except
    उत्तर
    (E)
    timely ripening of fruits
  • 12
    Which of the following is not a function of organic matter in the soil?
    उत्तर
    (D)
    inhibiting seed germination
  • 13
    The following crops can be grown as cover crops except
    उत्तर
    (D)
    nicotiana tabacum
  • 14
    Effects of overgrazing on soil include the following except
    उत्तर
    (D)
    improvement of soil structure
  • 15
    A farm practice which assists in maintaining the structure and fertility of soil and reduction in risk of the sun infestation is
    उत्तर
    (C)
    crop rotation
  • 16
    Drainage types include the following except
    उत्तर
    (A)
    shadoof
  • 17
    Energy for photosynthesis in crops is provided by
    उत्तर
    (D)
    sun
  • 18
    Cassava is normally planted at a spacing of about
    उत्तर
    (B)
    0.75 m x 1.0 m
  • 19
    Cassava is cultivated in many ecological zones because of its
    उत्तर
    (B)
    tolerance to low rainfall and soil fertility
  • 20
    The agent of controlled pollination in crops is
    उत्तर
    (E)
    man
  • 21
    Milling of rice is usually done
    उत्तर
    (E)
    after winnowing and parboiling
  • 22
    Common pasture grasses include the following except
    उत्तर
    (D)
    gamba grass
  • 23
    Which of the following is not a characteristic of a good pasture?
    उत्तर
    (E)
    slow growth
  • 24
    Which of the following is a pasture grass?
    उत्तर
    (D)
    cynodon dactylon
  • 25
    Reforestation is the
    उत्तर
    (A)
    organised planting of trees in areas from which forest trees have been removed
  • 26
    The tree species widely used in afforestation programme is
    उत्तर
    (A)
    neem
  • 27
    Which of the following is not a reason for converting a piece of land into a forest reserve?
    उत्तर
    (C)
    disputed ownership of land
  • 28
    The forest trees growing in the Sudan savanna zone of Nigeria include the following except
    उत्तर
    (D)
    neem
  • 29
    The most important pests of vegetable crops are
    उत्तर
    (D)
    insects
  • 30
    Which of the following group of crops can be attacked by smut diseases?
    उत्तर
    (B)
    rice, maize and guinea corn
  • 31
    Cultural methods of controlling pests include the following except
    उत्तर
    (E)
    mulching
  • 32
    The aims of crop improvement include the following except
    उत्तर
    (E)
    improving the infracstructural facilities in a farm
  • 33
    The branch of crop production which is normally concerned with crop improvement is
    उत्तर
    (A)
    plant breeding
  • 34
    Which of the following is the primary function of the gizzard?
    उत्तर
    (C)
    grinding of ingested food into smaller particles
  • 35
    The act of mating in cattle is known as
    उत्तर
    (E)
    service
  • 36
    Gestation period is defined as the time
    उत्तर
    (B)
    between conception and prturition
  • 37
    The hormone generally called pregnancy hormone in farm animals is
    उत्तर
    (C)
    progesterone
  • 38
    New-born animals should be fed with colostrum because it
    उत्तर
    (B)
    contains antiboies protecting them against diseases
  • 39
    Which of the following statement is not true about rearing livestock under the free range system?
    उत्तर
    (C)
    adequate veterinary care
  • 40
    Which of the following breeds of cattle is an imported breed?
    उत्तर
    (B)
    N'dama
  • 41
    Pigs are normally classified into the following group except
    उत्तर
    (D)
    boars
  • 42
    High fibre and low energy feeds are classified as
    उत्तर
    (B)
    roughages
  • 43
    The proportion of the different types of feed given to an animal daily is known as
    उत्तर
    (D)
    ration
  • 44
    Which of the following feed stuffs will not supply carbohydrate?
    उत्तर
    (E)
    bone meal
  • 45
    The main component of egg shell is
    उत्तर
    (B)
    calcium
  • 46
    The effects of practicing rotational grazing in a livestock farm include the following except
    उत्तर
    (E)
    maintaining steady increase in growth rate of animals
  • 47
    The causal organism of mastitis in cattle is
    उत्तर
    (B)
    bacterium
  • 48
    In cattle, high fever and sudden death are symptoms of
    उत्तर
    (A)
    anthrax
  • 49
    Night blindness in an animal is caused by a deficiency of
    उत्तर
    (A)
    vitamin A
  • 50
    An aquarium contains all the following except
    उत्तर
    (B)
    pieces of broken wood
  • 51
    Progeny selection involves selection of breeding stock on the basis of
    उत्तर
    (E)
    performance of offspring
  • 52
    The following are functions of farm manager except
    उत्तर
    (E)
    planting crops and vegetables
  • 53
    When granting loans to farmers, the credit officer should consider mostly the
    उत्तर
    (D)
    production and essential need of the farmers
  • 54
    Farm financing may be obtained from the following except
    उत्तर
    (C)
    mortgage banks
  • 55
    The difference between the total assets and total liabilities of a farm enterprise within a specified period before taxation is known as
    उत्तर
    (E)
    networth