WAEC - Agricultural Science (2000)

  • 1
    The primary role of agriculture is the provision of
    Jawab
    (C)
    food for man and his animals
  • 2
    In subsistence agriculture,
    Jawab
    (B)
    surplus produced is small
  • 3
    An area of land where fruit trees are grown is commonly called a/an
    Jawab
    (D)
    orchad
  • 4
    The most important factor that determines the rate of agricultural development is
    Jawab
    (A)
    adoption of viable agricultural research findings
  • 5
    The land use Decree of 1978 vested lands in each state of the country on the
    Jawab
    (B)
    state governors
  • 6
    Which of the following statement is not correct about agricultural regulations within a country? They are
    Jawab
    (A)
    different from one geographical location to another
  • 7
    The recommended agricultural practice in farm settlement scheme is
    Jawab
    (C)
    mixed farming
  • 8
    Which of the following agricultural programmes covers risk and uncertainties in agricultural business?
    Jawab
    (B)
    agricultural insurance scheme
  • 9
    Government agricultural policies include the following except
    Jawab
    (D)
    increasing the number of peasant farmers
  • 10
    Agricultural uses of land include
    Jawab
    (A)
    silviculture
  • 11
    The main aim of establishing game reserves is to
    Jawab
    (A)
    prevent rare species of wild animals from extinction
  • 12
    The equatorial rain forest belt is not usually used for cattle production because of the
    Jawab
    (C)
    incidence of tse-tse flies
  • 13
    Which of the following is not an example of metamorphic rock?
    Jawab
    (A)
    granite
  • 14
    The most important factor affecting the rate of erosion is the
    Jawab
    (B)
    slope of the land
  • 15
    Which of the following soil characteristics is constant?
    Jawab
    (B)
    texture
  • 16
    A farmer who applies gypsum on his farmland intends to
    Jawab
    (C)
    decrease soil alkalinity
  • 17
    In the nitrogen cycle,nitrosomonas and nitrobacter are responsible for
    Jawab
    (B)
    nitrification
  • 18
    Wood ash and oil palm bunches are rich sources of
    Jawab
    (A)
    potassium
  • 19
    If 200kg of NPK fertilizer is required for an hectare of maize farm, calculate the amount of the fertilizer required for 15 hectares of maize farm.
    Jawab
    (C)
    3,000 kg
  • 20
    Which of the following is the correct trend in the historical development of power on the farm?
    Jawab
    (B)
    man power-animal power-mechanical power
  • 21
    The major advantage of human power over all other sources of power is man's
    Jawab
    (C)
    intelligence to control work
  • 22
    Which of the following is a function of the hopper of a grain sheller?
    Jawab
    (B)
    receiving maize cobs to be shelled
  • 23
    The amount of planting material needed for a given area of land is known as
    Jawab
    (A)
    seed rate
  • 24
    Cotton can thrive well in the mangrove areas if
    Jawab
    (C)
    land is sufficiently drained
  • 25
    Legumes that produce edible seeds are called
    Jawab
    (A)
    pulses
  • 26
    When sugarcane is allowed to flower before harvesting, the
    Jawab
    (A)
    sucrose content is reduced
  • 27
    In a laboratory analysis of maize grains, the following results were obtained:I. the dry matter content of 80 percent made up of 30.0 parts carbohydrate,3.3 parts ash, 13.8 parts fibre and 1.7 parts protein. II. the remainder of the dry matter is oil. What is the percentage of oil in the dry matter?
    Jawab
    (D)
    64.0
  • 28
    The practice of cutting only matured forest trees and allowing other young ones to grow is known as
    Jawab
    (D)
    selectiv exploitation
  • 29
    pennisetum purpureum is the botanical name for
    Jawab
    (D)
    elephant grass
  • 30
    Which of the following groups of organisms cause the greatest damage to stored grains?
    Jawab
    (A)
    insects
  • 31
    Disease causing organisms are referred to as
    Jawab
    (B)
    pathogens
  • 32
    Which of the following is not a viral disease of crops?
    Jawab
    (D)
    banana blight
  • 33
    Smut diseases are often found on
    Jawab
    (A)
    maize
  • 34
    The mosaic appearance on cassava leaves is caused by
    Jawab
    (C)
    virus
  • 35
    Progesterone is secreted by the
    Jawab
    (A)
    corpus luteum
  • 36
    The hormone responsible for milk let-down in cows is
    Jawab
    (A)
    oxytocin
  • 37
    The secretion of reproductive and growth hormone in animals is controlled by the
    Jawab
    (B)
    pituitary gland
  • 38
    During the process of egg formation, albumen deposition begins in the
    Jawab
    (B)
    magnum
  • 39
    Parturition in the doe (rabbit) is referred to as
    Jawab
    (B)
    kindling
  • 40
    Maintenance of osmotic balance in body cells of animals is regulated by
    Jawab
    (C)
    sodium and potassium
  • 41
    Methods of rangeland improvement which ensure continuous herbage growth during the dry season are
    Jawab
    (D)
    fertilizer application and irrigation
  • 42
    Which of the following is not an objective of pasture management? To obtain
    Jawab
    (A)
    the lowest possible dry matter yield of pasture
  • 43
    The intermediate host of liverfluke is
    Jawab
    (B)
    snail
  • 44
    Which of the following parasites of livestock is an hermaphrodite?
    Jawab
    (D)
    liverfluke
  • 45
    A disease that causes abortion in cattle at the later stage of pregnancy is
    Jawab
    (C)
    brucallosis
  • 46
    The deficiency symptom peculiar to vitamin B in livestock is
    Jawab
    (C)
    loss of appetite and weight
  • 47
    Detailed survey for the site of a fish pond is necessary for the following except
    Jawab
    (D)
    height of the dam
  • 48
    Which of the following materials is not allowed in the harvesting of fish?
    Jawab
    (D)
    chemicals
  • 49
    The types of ponds in a fresh water fish should include the following except
    Jawab
    (D)
    storage pond
  • 50
    Which of the following are the cheapest methods of preserving fish?
    Jawab
    (A)
    salting and sun drying
  • 51
    The factor determining the success of the production process in a farm enterprise is
    Jawab
    (D)
    management
  • 52
    Capital in agriculture includes the following item except
    Jawab
    (C)
    labour
  • 53
    The most important farm input contributed by the peasant farmer's family is
    Jawab
    (B)
    labour
  • 54
    Which of the following groups of items will appreciate in value on the farm?
    Jawab
    (A)
    seedling,calves and chicks
  • 55
    The quantity of rice that a consumer is willing and able to buy during a given period is simply the consumer's
    Jawab
    (A)
    demand for rice