WAEC - Agricultural Science (1996)

  • 1
    Which of the following defines agriculture?
    תְשׁוּבָה
    (E)
    the science and art of farming to satisfy human needs
  • 2
    When a piece of land is leased to a farmer, the land is said to be
    תְשׁוּבָה
    (C)
    allocated on a rental basis
  • 3
    The Nigerian Land Use Act of 1978 puts the right ownership of land on the
    תְשׁוּבָה
    (D)
    governor of a state
  • 4
    Which of the following factors will not influence the use of land for farming?
    תְשׁוּבָה
    (D)
    light intensity
  • 5
    A biotic factor influencing agricultural production is
    תְשׁוּבָה
    (B)
    predator
  • 6
    Tropical crops grow best within the temperature range of
    תְשׁוּבָה
    (D)
    180C-320C
  • 7
    The alternate heating and cooling of rocks will result in
    תְשׁוּבָה
    (E)
    fragmentation
  • 8
    Which of the following is an example of igneous rock?
    תְשׁוּבָה
    (D)
    granite
  • 9
    In an experiment to determine the percentage of humus content in a soil, the following results were obtained:
    mass of dish = 10 gm
    mass of dish and oven-dry soil = 50 gm
    mass of dish and soil after heating = 40 gm
    Calculate the amount of humus in the soil sample.
    תְשׁוּבָה
    (A)
    10 gm
  • 10
    In an experiment to determine the percentage of humus content in a soil, the following results were obtained:
    mass of dish = 10 gm
    mass of dish and oven-dry soil = 50 gm
    mass of dish and soil after heating = 40 gm
    Calculate the percentage of humus in the soil sample.
    תְשׁוּבָה
    (B)
    25%
  • 11
    The texture and the mineral composition of soil depend mainly on
    תְשׁוּבָה
    (D)
    parent material
  • 12
    Which of the following types of fertilizer is recommended for use in high quantities for groundnut production?
    תְשׁוּבָה
    (E)
    potassium and calcium fertilizer
  • 13
    Lodging in crops is caused by excess supply of
    תְשׁוּבָה
    (A)
    potassium
  • 14
    Adoption of clean clearing of land in the tropical rain forest is not advisable because it
    תְשׁוּבָה
    (A)
    encourages erosion arid leaching
  • 15
    Which of the following is not an effect of bush burning on the soil?
    תְשׁוּבָה
    (E)
    maintaining high levels of soil nutrients reserves
  • 16
    Irrigation can be defined as
    תְשׁוּבָה
    (B)
    a system of farming in whivh crops are provided with water artificially
  • 17
    Which of the following is not an advantage of farm mechanization?
    תְשׁוּבָה
    (D)
    improvement of yields
  • 18
    A fruit with many seeds that has many joined cerpels and dehisces along all sutures from base to apex is referred to as a
    תְשׁוּבָה
    (C)
    capsule
  • 19
    The maturity period of tomato in days is about
    תְשׁוּבָה
    (B)
    90
  • 20
    Tomato crops are usually staked to
    תְשׁוּבָה
    (C)
    prevent rotting of fruits
  • 21
    A perennial is a crop which
    תְשׁוּבָה
    (B)
    can grow and produce fruits for more than two years
  • 22
    Common management particles in pastures include the following except
    תְשׁוּבָה
    (E)
    overstocking
  • 23
    Which of the following is not a characteristic feature of giant-star grass?
    תְשׁוּבָה
    (D)
    easy to eradicate once established
  • 24
    The process by which a forest is renewed artificially is known as
    תְשׁוּבָה
    (A)
    forest regeneration
  • 25
    Which of the following statements represents the best reason for making access roads in a forest plantation?
    תְשׁוּבָה
    (A)
    fire-fighting purposes
  • 26
    Which of the following is not a protective function of forests?
    תְשׁוּבָה
    (D)
    tourist attraction
  • 27
    A common disease of onion is
    תְשׁוּבָה
    (E)
    mosaic
  • 28
    Rice blast is caused by
    תְשׁוּבָה
    (D)
    a fungus
  • 29
    Which of the following diseases of crops is not caused by a fungus?
    תְשׁוּבָה
    (D)
    streak of maize
  • 30
    Biological control of insect pests of crops can best be carried out through
    תְשׁוּבָה
    (B)
    use of parasites and predators
  • 31
    The aims of crop improvement include the following except
    תְשׁוּבָה
    (E)
    reducing demand for a particular type of crop
  • 32
    The chromosomes in a cell are located in the
    תְשׁוּבָה
    (D)
    nucleus
  • 33
    A great disadvantage of introduction as a method of crop improvement is the
    תְשׁוּבָה
    (D)
    introduction of a new type of disease into a new area of cultivation
  • 34
    Which of the following structures does not serve a protective function?
    תְשׁוּבָה
    (D)
    bone
  • 35
    The blind sacs at the junction of the small and large intestines of a fowl are called
    תְשׁוּבָה
    (E)
    caeca
  • 36
    One of the peculiarities of the intestine tract of a fowl is the possession of
    תְשׁוּבָה
    (A)
    cloaca
  • 37
    The humpless breed of cattle which also possess short horns is
    תְשׁוּבָה
    (E)
    muturu
  • 38
    The breed of goat popularly kept mainly for its skin is
    תְשׁוּבָה
    (C)
    sokoto red
  • 39
    A livestock farmer was instructed to mix 1 litre of acaricide with 175 litres of water. calculate the amount of water he needs to mix 20 litres of acaricides
    תְשׁוּבָה
    (E)
    3500 litres
  • 40
    Which of the following will not be an effect of excessive amount of water content in feeds?
    תְשׁוּבָה
    (E)
    improving quality of such feeds
  • 41
    Which of the following husbandry practices is not carried out in pig farming?
    תְשׁוּבָה
    (D)
    shearing of hairs of the skin
  • 42
    The most important source of carbohydrate in livestock feed is
    תְשׁוּבָה
    (A)
    maize
  • 43
    An effective way of ensuring built-in resistance to disease in calves is to
    תְשׁוּבָה
    (B)
    allow calves access to colostrum
  • 44
    Which of the following livestock parasites possesses proglottides?
    תְשׁוּבָה
    (C)
    tapeworm
  • 45
    Which of the following is the first operation in the establishment of a fish pond?
    תְשׁוּבָה
    (D)
    clearing and stumping of site
  • 46
    The importance of fish farming includes the following except
    תְשׁוּבָה
    (D)
    ddischarge of waste used in the control of pond's pests
  • 47
    Which of the following statements about cross-breeding is not correct?
    תְשׁוּבָה
    (D)
    the individuals used in cross-breeding have all characters in common
  • 48
    The factor of production include the following except
    תְשׁוּבָה
    (A)
    marketing
  • 49
    The most important economic factor which determines the quality of cassava a consumer will demand is the
    תְשׁוּבָה
    (B)
    price of cassava
  • 50
    The increasing significance of agricultural finance include the following except
    תְשׁוּבָה
    (D)
    insuring crops against failure