WAEC - Agricultural Science (2016)

• 1

  Which of the following suggestion would solve transportation problems associated with agriculture ?

  回答

  (B)

  Efficient railway system
• 2

  Which of the following statements is not correct about agriculture in most West African countries?

  回答

  (B)

  fuel
• 3

  The document given to a farmer on acquiring a piece of land from government is called

  回答

  (C)

  certificate of occupancy
• 4

  

  The diagram above shows parts of a plough.
  Study it and answer this question.
  
  The part labelled I in the diagram is the

  回答

  (D)

  mould board
• 5

  

  The diagram above shows parts of a plough.
  Study it and answer this question.
  
  The part labelled II is the

  回答

  (B)

  plough share
• 6

  

  The diagram above shows parts of a plough.
  Study it and answer this question.
  
  Which of the following functions is not associated with the part labelled I?

  回答

  (B)

  Cutting through soil
• 7

  

  The diagram above shows parts of a plough.
  Study it and answer this question.
  
  The function of the part labeled II isthat it

  回答

  (B)

  makes horizontal cuts
• 8

  The surveying instrument used for measuring horizontal and vertical angles is called

  回答

  (A)

  theodolite
• 9

  Crop rotation is often used in maintaining soil fertility because

  回答

  (B)

  some of the crops fix nitrogen in the soil
• 10

  Land is said to be a fixed asset in Agriculture. This means that

  回答

  (A)

  its features and topography are fixed
• 11

  The most limiting factor affecting land availability for agriculture in urban settlements is

  回答

  (D)

  population pressure
• 12

  Rhizobium supplies nitrogen to leguminous plants by

  回答

  (B)

  fixing atmospheric nitrogen into the soil
• 13

  An example of igneous rock is

  回答

  (A)

  granite
• 14

  In chemical weathering of rocks, the equation Fe,₂O₃+3H₂O → Fe₂O₃3H₂O represents

  回答

  (B)

  hydration
• 15

  Which of the following statement is a disadvantages of decaying organic matter in soils?

  回答

  (A)

  Bacterals and fungal growth is enhanced
• 16

  Lost soil nutrients can be replenished by the following methods except

  回答

  (C)

  continuous grazing
• 17

  In the carbon cycle, carbon dioxide in the air may be replenished by

  回答

  (A)

  respiration
• 18

  Irrigation can be described as the

  回答

  (D)

  application of water to the soil
• 19

  Which of the following conditions is a characteristic of a poorly drained soil?

  回答

  (C)

  Decrease in the activities of micro organisms
• 20

  The process of removing excess maize seedlings from a stand is known as

  回答

  (C)

  thinning
• 21

  

  Study the diagram above and answer question
  
  The farm tool associated with the diagram above is

  回答

  (A)

  Knife
• 22

  

  Study the diagram above and answer question
  
  The crop associated with the diagram above is

  回答

  (C)

  Hevea brasiliensis
• 23

  Which of the following crops requires shade at the early stage of is growth?

  回答

  (C)

  Cocoa
• 24

  Which of the following plants is not a leguminous forage?

  回答

  (B)

  Panicum maximum
• 25

  The process of crossing two pure lines of plants of the same species is called

  回答

  (D)

  inbreeding
• 26

  Pure line of crops are produced through continuous

  回答

  (D)

  inbreeding
• 27

  Which of the following insects transmits swollen shoot virus of Cocoa?

  回答

  (B)

  Mealybug
• 28

  Quarantine regulations are established so as to

  回答

  (B)

  prevent the introduction foreign diseases into country
• 29

  The most effective method of controlling viral diseases in crops is by

  回答

  (B)

  renoving and burning affected crops
• 30

  The use of parasites and predators to control weeds is referred to as

  回答

  (A)

  biological control
• 31

  Forest resources can be managed by the following measures except

  回答

  (C)

  promoting deforestation
• 32

  The continuous removal of forest tress without replacement is known as

  回答

  (C)

  deforestation
• 33

  A farm animal which possesses a pair of caeca is

  回答

  (B)

  fowl
• 34

  Oestrogen in female animals is not responsible for

  回答

  (B)

  on set of heat period
• 35

  A beef cow gained 75 kg over a period of two months and two days. What is its average weight gain?

  回答

  (B)

  1.21 kg
• 36

  A disadvantage of natural incubation is that

  回答

  (C)

  the brooding hens sometimes abandon the eggs
• 37

  Ruminants fed on dried grasses are given feed supplements to

  回答

  (D)

  provide deficient nutrients
• 38

  Which of the following animal disease is not associated with malnutrition?

  回答

  (A)

  Aspergillosis
• 39

  The botanical name of Northern gamba grass is

  回答

  (D)

  Andropogon gayanus
• 40

  The cut and carry system of feeding livestock is termed

  回答

  (B)

  zero grazing
• 41

  Progeny selection involves selection of breeding stock on the basis of

  回答

  (D)

  performance of offspring
• 42

  The cattle disease which is likely to be most common in the forest belt of West Africa is

  回答

  (B)

  trypanosomiasis
• 43

  Ecto-parasites can be controlled by

  回答

  (C)

  dipping of host
• 44

  Cropping in fish farming is the act of

  回答

  (C)

  harvesting fish
• 45

  Methods of preserving fish including the following except

  回答

  (D)

  soaking
• 46

  Determine the price elasticity of demand if the price of yam tuber rises by 10% (0.1) and the quantity demanded falls by 5% (0.05)

  回答

  (A)

  0.5
• 47

  Most farm business fail because of

  回答

  (D)

  poor management
• 48

  Which of the following activities is not a marketing function?

  回答

  (B)

  planting of crops
• 49

  Which of the following activities is not a marketing function?

  回答

  (B)

  planting of crops
• 50

  Risks on commercial farms could result from

  回答

  (B)

  crop failure