WAEC - Agricultural Science (2000)

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