WAEC - Agricultural Science (2014)

  • 1
    Commercial agriculture is characterised by
    პასუხი
    (A)
    use of machines
  • 2
    The most common method of acquiring land in West Africa is by
    პასუხი
    (D)
    inheritance
  • 3
    The agricultural sector in West Africa is plagued with poverty because
    პასუხი
    (B)
    yields obtained per annum are relatively low
  • 4
    The function of the seed -tube of a seed drill is to
    პასუხი
    (A)
    transport seeds from the metering device to the furrow opener
  • 5
    The machine used for removing seeds from maize cobs is called a
    პასუხი
    (D)
    sheller
  • 6
    The appropriate farm tool for lifting tomato seedlings for transplanting is the
    პასუხი
    (C)
    hand trowel
  • 7
    It is important to clean and grease plough discs after use to
    პასუხი
    (A)
    prevent rusting
  • 8
    Wind can be beneficial to crop production because it
    პასუხი
    (B)
    aids pollination of crops
  • 9
    The method of surface irrigation widely used in rice fields is
    პასუხი
    (B)
    wild flooding
  • 10
    The practice of growing different crops in sequence on a piece of land is known as
    პასუხი
    (C)
    crop rotation
  • 11
    Which of the following is not an effect of over-graing on soil?
    პასუხი
    (A)
    Improvement of soil structure
  • 12
    The major factor affecting distribution of crops in West Africa is
    პასუხი
    (A)
    climate
  • 13
    Nutrient replenishment in soil can be enhanced by
    პასუხი
    (D)
    crop rotation
  • 14
    What is the function of nitrosomonas bacteria in the nitrogen cycle?
    პასუხი
    (A)
    Ammonification
  • 15
    A mass of decayed plant and animal wastes processed in pits is referred to as
    პასუხი
    (C)
    compost manure
  • 16
    A major disadvantage of monoculture is that
    პასუხი
    (C)
    diseases and pests build up
  • 17
    Which of the following pairs of farming systems uses bush fallowing?
    პასუხი
    (B)
    shifting cultivation and land rotation
  • 18
    Continuous soil tillage could lead to
    პასუხი
    (C)
    break down of soil structure
  • 19
    A bag of fertilizer has a ratio of 10:0 written on it. This means that the fertilizer is a
    პასუხი
    (C)
    phosphate fertilizer
  • 20
    Theobroma cacao grows best in the
    პასუხი
    (B)
    humid rain forest zone
  • 21
    The following plants are forage grasses except
    პასუხი
    (D)
    Calopogonium mucunoides
  • 22
    Which of the following statements about budding is not true? The resulting crops
    პასუხი
    (A)
    can withstand adverse climatic conditions
  • 23
    A farm produce which does not require fermentation during processing is
    პასუხი
    (D)
    rice grains
  • 24
    The offspring which will result from a cross between heterozygous and homozygous dominant plants will be
    პასუხი
    (C)
    50%heterozygous
  • 25
    Calculate the amount of maize seeds required by a farmer to cultivate 5 hectares of farmland at the recommended seed rate of 25kg/hectare
    პასუხი
    (D)
    125kg
  • 26
    Causal organismss of diseases in crop production do not include
    პასუხი
    (D)
    protozoa
  • 27
    An example of fungal disease of stored grain is
    პასუხი
    (A)
    mould
  • 28
    Cultural control of crop diseases involves the following practices except
    პასუხი
    (C)
    using insecticides
  • 29
    Weeds which produce large hollow seeds would most likely be dispersed by
    პასუხი
    (A)
    wind
  • 30
    Control of maize stem borer is most effective when
    პასუხი
    (A)
    affected crops are uprooted and burnt
  • 31
    The average gestation period in rabbits is
    პასუხი
    (C)
    31 days
  • 32
    Control of maize stem borer is most effective when
    პასუხი
    (A)
    affected crops are uprooted and burnt
  • 33
    The correct sequence of the passage of feed through the digestive system of a ruminant is
    პასუხი
    (D)
    rumen → reticulum → omasum → abomasum
  • 34
    Control average gestation period in rabbits is
    პასუხი
    (C)
    31 days
  • 35
    The main objective of flushing in animal production is to
    პასუხი
    (C)
    promote multiple births
  • 36
    Pigs wallow in muddy pools of water primarily to
    პასუხი
    (D)
    lower their body temperature
  • 37
    Fowls is are debeaked in order to
    პასუხი
    (C)
    reduce cannibatlism
  • 38
    The common name for Andropogon gayanus is
    პასუხი
    (B)
    Northern gamba grass
  • 39
    A footbath on a poultry farm contains
    პასუხი
    (B)
    antiseptics
  • 40
    The following symptoms were observed in a bull: l watery discharged from eyes and nostrils: II Sore in the mouth and nostrils; III excessive saliva with offensive odour; IV sever diarrhoea with blood stand farces.What disease is the bull suffering from?
    პასუხი
    (A)
    foot and mouth
  • 41
    The following symptoms were observed in a bull: l watery discharged from eyes and nostrils: II Sore in the mouth and nostrils; III excessive saliva with offensive odour; IV sever diarrhoea with blood stand farces.Which of the following measures would best control the disease?
    პასუხი
    (B)
    Vaccinating animals
  • 42
    Which of the following factors affect the supply of agricultural produce? I Improvement in technology II Increase in rainfall III Decrease in temperature IV input cost
    პასუხი
    (D)
    l, ll, lll and lV
  • 43
    In agricultural production, farm gate price is mostly enjoyed by
    პასუხი
    (A)
    middlemen
  • 44
    Dissemination of new ideas by agricultural extension workers can be effective if they
    პასუხი
    (A)
    work with existing local
  • 45
    Which of the following pairs are mass methods of extension?
    პასუხი
    (C)
    Home visits and demonstrations