WAEC - Agricultural Science (2015)

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