WAEC - Agricultural Science (2015)

  • 1
    Which of the animal product is used in the production of buttons?
    Відповідь
    (C)
    Bone
  • 2
    Subsistance farme rs mostly practice
    Відповідь
    (C)
    Mixed cropping
  • 3
    A piece of land is said to be on lease to a farmer when it is
    Відповідь
    (C)
    Rented for a period
  • 4
    Which of the following equipment is a fame implement?
    Відповідь
    (C)
    Mower
  • 5
    A peridic maintenance activity carried out on through farm tractor is
    Відповідь
    (C)
    Changing of engine oil
  • 6
    Which of the following sources of farm power is most verstile in West Africa?
    Відповідь
    (B)
    Animal
  • 7
    Which of the following sources of farm power is most verstile in West Africa?
    Відповідь
    (B)
    Animal
  • 8
    Farm mechanization does not
    Відповідь
    (C)
    Promote employment
  • 9
    Farm surveying equipment include the following except
    Відповідь
    (D)
    Spade
  • 10
    The sustem in which a farmer uses a piece of land for a period and abandons it for another land is called
    Відповідь
    (C)
    Shifting cultivation
  • 11
    A socio-cultural factor affecting land availability for agriculture include use of land for
    Відповідь
    (D)
    Building religious houses
  • 12
    Organisms which may be benefical to crop include
    Відповідь
    (B)
    Bacteria
  • 13
    Which of the following rocks is sedimantary?
    Відповідь
    (A)
    Limestone
  • 14
    Soil profile important in agriculture because it
    Відповідь
    (C)
    Gives indication of types of cropsto grow
  • 15
    What is the percentage water content of soil sample which weighed 180g when fresh and 120g when oven-dried
    Відповідь
    (C)
    33.33%
  • 16
    A soil sample with a pHof 4.5 is said to be
    Відповідь
    (A)
    Acidic
  • 17
    The propety of soil which cannot easily be change by a famer is the
    Відповідь
    (C)
    Texture
  • 18
    A farmer continuously applies sulphate of ammonia to his faemland for many years, the resulatant soil solution is most likely to
    Відповідь
    (B)
    Change blue litmus paper to re
  • 19
    Application of water to the subsoil through perforated pipes is known as
    Відповідь
    (D)
    Overhead irrigation
  • 20
    Which of the following statements describe the impact of land degradation?
    I. Increased availablity of fuel wood
    II. Reduction in livestock production
    III. Decrease in agricultural productivity
    IV. Pollution of water bodies
    Відповідь
    (A)
    I,II and III only
  • 21
    Tabacco belongs to the group of crops called
    Відповідь
    (C)
    Stimulants
  • 22
    Maize is a popular crop in West Africa because it
    Відповідь
    (B)
    Has multiple uses
  • 23
    If the spacing of maize is 0.9m by 0.3m and one seed is sown per stand, what will be the popullation of maize plants on a hectare of farmland?
    Відповідь
    (D)
    27,000
  • 24
    The following crops require shade trees at the seeding statge except
    Відповідь
    (D)
    Oryza sativa
  • 25
    Crop which are primarily grown to provide food for farm animals are
    Відповідь
    (C)
    Forages
  • 26
    Crop selection is adantageous because
    Відповідь
    (A)
    Seeds are collected from stands with desirable traits
  • 27
    A fungus known as phytophthora palmivora is responsible for
    Відповідь
    (C)
    Blackpd disease of cocoa
  • 28
    Viral disease of crops can best be controlled through
    Відповідь
    (B)
    Planting reistant varieties
  • 29
    Piercing and sucking insect pests possess
    Відповідь
    (D)
    Probosces
  • 30
    Callosobruchus maculatus is a common pest of
    Відповідь
    (D)
    Cowpea
  • 31
    The use of pathogens to control dodder weeds is a
    Відповідь
    (C)
    Biological method
  • 32
    The digestive function of the rumen in ruminant nutrition is enchanced by the
    Відповідь
    (B)
    Presence of micro -organisms
  • 33
    The duration of the oestrus cycle of sow is
    Відповідь
    (A)
    14 - 28 days
  • 34
    Natural immunity to diseases in calves is acquired through maccess to
    Відповідь
    (B)
    Colostrum
  • 35
    If a sow conceived on the 5th of june in particular year, it will probably farrow the same year on
    Відповідь
    (D)
    28th October
  • 36
    The act of parturtion in rabbit is known as
    Відповідь
    (D)
    Kindling
  • 37
    The act of parturtion in rabbit is known as
    Відповідь
    (D)
    Kindling
  • 38
    The act of parturtion in rabbit is known as
    Відповідь
    (D)
    Kindling
  • 39
    The act of parturtion in rabbit is known as
    Відповідь
    (D)
    Kindling
  • 40
    The act of parturtion in rabbit is known as
    Відповідь
    (D)
    Kindling
  • 41
    The extra oyster shell meal supplied to breedinghens\
    Відповідь
    (C)
    Aids in hardening egg shell
  • 42
    Iron is important in the diest of livestock for
    Відповідь
    (D)
    Blood production
  • 43
    Established pasture cannot be harvested by
    Відповідь
    (D)
    Cutting with sickle
  • 44
    The mating of a white fulani bull and an N'dama cow could be termed
    Відповідь
    (D)
    Cross breeding
  • 45
    Which of the following organisms is not an endoparasite?
    Відповідь
    (C)
    Tick
  • 46
    Which of the following compounds can be used to seal soil pores and prevent loss of water in a fish pond?
    Відповідь
    (C)
    Calcium carbonate
  • 47
    The demand for cassava is not affected by
    Відповідь
    (A)
    Cost of production
  • 48
    A farmer obtained a of #250,000 at a simple interest rate of 8% per annum to be paid in two years what would be the interest the farmer will pay on the loan?
    Відповідь
    (B)
    #40,000
  • 49
    Which of the following methods is inapropriate when introducing a new variety of rice farmers?
    Відповідь
    (B)
    Circular letters
  • 50
    The term fingerling refers to a young
    Відповідь
    (B)
    Fish
  • 51
    The term fingerling refers to a young
    Відповідь
    (B)
    Fish
  • 52
    The term fingerling refers to a young
    Відповідь
    (B)
    Fish
  • 53
    The effect of fertilizing a fish pond with compost manure on phytoplankton population and fish yield is such that
    Відповідь
    (D)
    Phytoplankton population increases as a fish yield increases
  • 54
    Which of the following developments could result from defoiratation?
    Відповідь
    (A)
    Increase in soil erosion
  • 55
    Sexual propagation involves the use of
    Відповідь
    (B)
    Seeds