WAEC - Agricultural Science (2009)

  • 1
    The most important contribution of agriculture to mankind is the provision of
    תְשׁוּבָה
    (D)
    food
  • 2
    An advantage of commercial agriculture is that it
    תְשׁוּבָה
    (C)
    produces high returns
  • 3
    Which of the following statements about communal land tenure system is true?
    תְשׁוּבָה
    (A)
    it gives the owner complete freedom on the land
  • 4
    Agricultural land use is negatively affected by
    תְשׁוּבָה
    (A)
    type of soil
  • 5
    The practice of growth both food and forage crops simultaneously on the same piece of land is called
    תְשׁוּבָה
    (B)
    ley farming
  • 6
    The use of land for agricultural purpose involves the following except
    תְשׁוּבָה
    (C)
    road construction
  • 7
    The natural grasslands of West Africa are generally located in the
    תְשׁוּבָה
    (B)
    guinea savanna
  • 8
    The following processes in soil formation are caused by biotic factors except
    תְשׁוּבָה
    (D)
    soil disintegration by dehydration
  • 9
    Which of the following rocks is not formed from pre-existing rocks?
    תְשׁוּבָה
    (B)
    granite
  • 10
    Chemical weathering is fastest in
    תְשׁוּבָה
    (A)
    cool weather
  • 11
    It is not advisable to apply fresh farmyard manure because
    תְשׁוּבָה
    (A)
    its heat of decomposition may cause scorching of plants
  • 12
    Magnesium deficiency in crops can be corrected by the application of
    תְשׁוּבָה
    (A)
    dolomite
  • 13
    The atmosphere gains carbon dioxide through the following ways except
    תְשׁוּבָה
    (C)
    photosynthesis in plants
  • 14
    Controlled burning has the advantage of
    תְשׁוּבָה
    (B)
    inducing re-growth of pasture grasses
  • 15
    Which of the following fertilizers should be applied for good plant growth after prolonged use of sulphate of ammonia on a neutral soil?
    תְשׁוּבָה
    (B)
    lime
  • 16
    Which of the following statements indicate advantages of sub-surface irrigation? I. Low operation cost once established II. Does not disturb the movement of implements III. Permits efficient use of water IV. easily floods the field
    תְשׁוּבָה
    (B)
    II,III and IV only
  • 17
    The removal of excess water from the sub-soil is known as
    תְשׁוּבָה
    (B)
    drainage
  • 18
    The best source of farm power for agricultural production is
    תְשׁוּבָה
    (A)
    human power
  • 19
    The greatest disadvantage of using a bulldozer in land clearing is that it
    תְשׁוּבָה
    (A)
    removes the fertile top soil along with the vegetation
  • 20
    Mechanization is difficult to practice where the
    תְשׁוּבָה
    (A)
    land is fragmented
  • 21
    Which of the following equipment is not used in farm surveying?
    תְשׁוּבָה
    (D)
    pick axe
  • 22
    Farm surveying is important because it determines
    תְשׁוּבָה
    (B)
    size of farmland
  • 23
    Bush fallowing is necessitated by
    תְשׁוּבָה
    (B)
    reduction in soil fertility
  • 24
    A well fermented and dried coffee seed is said to be
    תְשׁוּבָה
    (B)
    graded
  • 25
    A bag of fertilizer had a ratio of 0:10:0 written on it. This means that the fertilizer contains
    תְשׁוּבָה
    (C)
    0 kg of nitrogen, 10 kg of phosphate and 0 kg of potash
  • 26
    In crop rotation, deep-rooted crops should follow shallow-rooted crops because deep-rooted crops
    תְשׁוּבָה
    (C)
    feed from different soil layers
  • 27
    If a crop is planted at a spacing of 100cm x 50cm. Calculate the plant population required for an hectare of farm land.
    תְשׁוּבָה
    (D)
    20,000
  • 28
    The term hermetic storage of grains means keeping grains in
    תְשׁוּבָה
    (A)
    air-tight containers
  • 29
    A disadvantage of vegetatively propagated crops is that they
    תְשׁוּבָה
    (C)
    do not withstand harsh conditions
  • 30
    Which of the following statements about mulches is true? They
    תְשׁוּבָה
    (A)
    include paper and plolythene sheets
  • 31
    Which of the following crops is bet harvested using a combine harvester?
    תְשׁוּבָה
    (A)
    maize
  • 32
    Which of the following crops produces latex?
    תְשׁוּבָה
    (C)
    rubber
  • 33
    What will be the following effect of establishing a grass with centrosema spp. in a pasture? The
    תְשׁוּבָה
    (D)
    forage yield will be high
  • 34
    Which of the following is not an economic importance of forests? They serve as source of
    תְשׁוּבָה
    (D)
    domestic animals
  • 35
    The twisting, wrinkling and mottling of leaves are symptoms of
    תְשׁוּבָה
    (B)
    viral diseases
  • 36
    An example of biological control of pests is
    תְשׁוּבָה
    (A)
    using lady bird beetles to feed on cytoplasm
  • 37
    Edible seeds with sticky covering and hooks are most likely to be dispersed by
    תְשׁוּבָה
    (C)
    animal
  • 38
    Hereditary characteristics are passed from parents to offspring through the
    תְשׁוּבָה
    (C)
    gene
  • 39
    Embryonic membranes do not include
    תְשׁוּבָה
    (A)
    uterus
  • 40
    The digestion of plant fibre is non-ruminant herbivores takes place in the
    תְשׁוּבָה
    (B)
    caecum and colon
  • 41
    Which of the following hormones is responsible for the relaxation of the pelvic ligaments and cervix during parturition?
    תְשׁוּבָה
    (C)
    oxytocin
  • 42
    The signs of heat in animals include the following except
    תְשׁוּבָה
    (D)
    increased appetite
  • 43
    Which of the following is not an abiotic condition that affects livestock production?
    תְשׁוּבָה
    (D)
    predators
  • 44
    Cows should not be allowed to eat plenty of young fresh pastures because they will
    תְשׁוּבָה
    (B)
    develop bloat
  • 45
    In commercial egg production, the most effective management system is
    תְשׁוּבָה
    (C)
    battery
  • 46
    Which of the following statements is true of a pig which has only one testis?
    תְשׁוּבָה
    (B)
    it can still produce viable sperm
  • 47
    The ingredient which is not a major source of minerals in animal feeds is
    תְשׁוּבָה
    (D)
    palm kernal meal
  • 48
    If a soyabean meal contains 45% crude protein, what quantity of it should be provided to laying flock to supply 5.00 kg of protein?
    תְשׁוּבָה
    (D)
    2.25 kg
  • 49
    The following are common grasses in the rangeland except
    תְשׁוּבָה
    (B)
    calopogonium mucunoides
  • 50
    Disease of animals that can also be transferred to humans are
    תְשׁוּבָה
    (C)
    zoonotic
  • 51
    Poultry showing difficulty in breathing and loss of appetite are under the attack of
    תְשׁוּבָה
    (B)
    aspergillosis
  • 52
    The major cause of spoilage in fresh fish is
    תְשׁוּבָה
    (D)
    bacterial attack
  • 53
    Which of the following statement about a good fish pond is true?
    תְשׁוּבָה
    (C)
    it must have low concentration of dissolved salts
  • 54
    The mechanical introduction of semen into the vagina of a female animal is termed
    תְשׁוּבָה
    (C)
    artificial insemination
  • 55
    The most important input contributed by farm family is
    תְשׁוּבָה
    (C)
    labour