WAEC - Agricultural Science (2019)

  • 1
    Which of the following statements best describes commercial farming?
    Одговорити
    (B)
    large scale agricultural production for sale
  • 2
    Which of the following problems are associated with agricultural marketing in West Africa? I.seasonality of produce II.Transportation of produce III.Access to credit 
    Одговорити
    (B)
    I and III only
  • 3
    An advantage of communal land tenure system is that it?
    Одговорити
    (B)
    makes land cheap to acquire
  • 4
    Which of the following implements is used for primary tillage?
    Одговорити
    (C)
    plough
  • 5

    Study and answer this question below

     

    A periodic maintenance activity carried out on the illustrated farm machinery is?

    Одговорити
    (C)
    changing engine oil
  • 6
    A disadvantage of farm mechanization?
    Одговорити
    (B)
    displacement of farm workers
  • 7
    Calculate in hectares the area of a rectangular farmland with dimensions 50m by 25m?
    Одговорити
    (D)
    0.125ha
  • 8
    The practice of measuring and mapping out the size, position and boundary of a farmland is called farm?
    Одговорити
    (C)
    surveying
  • 9
    Which of the following statement about land is not correct?
    Одговорити
    (D)
    it can be relocated
  • 10
    A socio-cultural factor affecting land availability is?
    Одговорити
    (B)
    religion
  • 11
    A biotic factor affecting agricultural production is?
    Одговорити
    (B)
    predator
  • 12
    Which of the following groups of organisms are parasites plants?
    Одговорити
    (C)
    Dodder, fungus and striga
  • 13
    The type of rock formed from accumulation of materials transported by water is called?
    Одговорити
    (A)
    sedimentary rock
  • 14
    A fresh garden soil sample weighed 25kg. When oven-dried, its weight reduced to 20kg. Calculate the percentage moisture content of the soil sample.
    Одговорити
    (C)
    20.0%
  • 15
    Which of the following mineral elements is essential for chlorophyll formation?
    Одговорити
    (D)
    magnesium
  • 16

    Study and answer this question

    The soil horizon that is not supportive of the growth of tree crops is?

    Одговорити
    (D)
    horizonD
  • 17
    Liquid fertilizers and pesticides could be applied through?
    Одговорити
    (C)
    sprinkler irrigation
  • 18
    In a crop rotation system, it is usually preferred that cassava comes last in the rotation because it?
    Одговорити
    (C)
    is a deep rooted crop
  • 19
    The growing of only one crop on a piece of land from year to year is known as?
    Одговорити
    (C)
    monoculture
  • 20
    In green manuring, crops are ploughed into the soil just before flowering in order to?
    Одговорити
    (B)
    enrich the soil with nutrients
  • 21
    Corns, rhizomes and tubers are examples of?
    Одговорити
    (B)
    underground stems
  • 22
    Which of the following statements is not a reason for budding? The resulting plants_______
    Одговорити
    (A)
    can withstand adverse climatic conditions
  • 23
    Which of the following statements are advantages of mulching? it I.Controls weeds II.Conserves soil moisture. III.Increases soil temperature. IV.Reduces soil pH.
    Одговорити
    (A)
    I and II
  • 24
    A planting material used in propagating plaintain is the?
    Одговорити
    (A)
    crown
  • 25
    If maize seed is sown at a spacing of 100cm x 50cm, determine the expected maize plant population per hectare? 
    Одговорити
    (B)
    20,000
  • 26
    Protective functions of forests include the following except
    Одговорити
    (D)
    source of firewood
  • 27
    The growth of both trees and arable crops on the same piece of land is?
    Одговорити
    (D)
    taungya system
  • 28
    Sexual propagation of omamental plants involves the use of?
    Одговорити
    (B)
    seeds
  • 29
    The vector of leaf curl disease of cotton is?
    Одговорити
    (D)
    white fly
  • 30
    A major storage pest of cereals in West Africa is?
    Одговорити
    (B)
    weevil
  • 31
    Biological control of insect-pests of crops is carried out through?
    Одговорити
    (B)
    use of predators
  • 32
    During the production of palm oil, the oil palm fruits are boiled in order to?
    Одговорити
    (D)
    separate mesocarp from endocarp
  • 33
    Which of the following breeds of cattle is exotic?
    Одговорити
    (C)
    friesian
  • 34

    The diagram above represents the digestive system of a?

    Одговорити
    (B)
    cock
  • 35

    The main function of the part labelled I is?

    Одговорити
    (A)
    temporary storage of food
  • 36
    Which of the following hormones is responsible for oestrus in farm animals?
    Одговорити
    (B)
    oestrogen
  • 37
    In animal production, immature spermatozoa are stored in the?
    Одговорити
    (C)
    epididymis
  • 38
    The least important factor for successful incubation of eggs is?
    Одговорити
    (A)
    light
  • 39
    The wallow should be provided in the pen of pigs in order to?
    Одговорити
    (D)
    cool the temperature of pigs
  • 40

    The data for feed consumption and weight gain of our four farm animals labelled P,Q,R and S are shown below.

    Use the data to answer this question correctly 

    P: 50kg feed consumed and 20kg weight gained.

    Q: 90kg feed consumed and 30kg weight gained.

    R: 100kg feed consumed and 25kg weight gained.

    S: 150kg feed consumed and 30kg weight gained.

     

    Which of the animals is the most efficient feed converter?

    Одговорити
    (A)
    P
  • 41

    The data for feed consumption and weight gain of our four farm animals labelled P,Q,R and S are shown below.

    Use the data to answer this question correctly 

    P: 50kg feed consumed and 20kg weight gained.

    Q: 90kg feed consumed and 30kg weight gained.

    R: 100kg feed consumed and 25kg weight gained.

    S: 150kg feed consumed and 30kg weight gained.

     

    The feed conversion efficiency of the poorest weight gainer is?

    Одговорити
    (D)
    0.20
  • 42
    Bone meal is usually included in the diet of livestock to supply?
    Одговорити
    (A)
    calcium and phosphorus
  • 43
    Which of the  following statement about inbreeding in farm animal is/are false? I.Inbred animals reach market weight early II.Inbred animals have reduced vigour III.Inbreeding increases the occurrences of undesirable traits
    Одговорити
    (A)
    I Only
  • 44
    Which of the following parasites may be found in the gut of livestock?
    Одговорити
    (C)
    Roundworm
  • 45
    Vegetative growth in fish ponds?
    Одговорити
    (D)
    moderates pond temperature