WAEC - Agricultural Science (1998)

• 1

  Customary land tenure system in Nigeria encourages

  回答

  (B)

  fragmentation of lands
• 2

  Wastage of agricultural products during harvesting period is due mainly to inadequate

  回答

  (B)

  storage and processing facilities
• 3

  The provision of farm inputs to farmers by government can best be described as

  回答

  (D)

  subsidy
• 4

  Which of the following uses of land should be given more attention in Nigeria for self sufficiency in food production?

  回答

  (D)

  establishment of agriculture and forestry
• 5

  The effects of high environmental temperature on dairy cows include the following except

  回答

  (B)

  high feed intake
• 6

  Which of the following does not fit into the agricultural use of land?

  回答

  (A)

  mining
• 7

  Gneiss id a metamorphic rock formed from

  回答

  (E)

  granite
• 8

  The components of soil include the following except

  回答

  (E)

  light
• 9

  Which of the following is an organic manure?

  回答

  (E)

  compost
• 10

  Which of the following is not a property of clay soil? it

  回答

  (B)

  has low capillarity
• 11

  The particle size of silt is

  回答

  (D)

  0.002 mm-0.02 mm
• 12

  If the percentage of nitrogen in ammonium sulphate fertilizer is 20%, calculate the amount of nitrogen in 500 kg of the fertilizer.

  回答

  (D)

  100 kg
• 13

  Fruit formation in plants may be delayed by excessive availability of

  回答

  (B)

  phosphorus
• 14

  The system of irrigation whereby water is introduced as a sheet over farmland is referred to as

  回答

  (E)

  drip
• 15

  The major advantage of drainage in agriculture is

  回答

  (C)

  removing excess water from the soil
• 16

  Which of the following groups of farm equipment use electricity as their source of power?

  回答

  (A)

  milking machine, incubator and refrigerator
• 17

  Combine harvester is usually used for harvesting

  回答

  (B)

  rice
• 18

  One hectare of a school farm equals

  回答

  (D)

  10,000m²
• 19

  In a farm lay-out, the best site for a fish pond is

  回答

  (B)

  an undulating land
• 20

  Which of these groups of crops require nursery for their successful cultivation?

  回答

  (D)

  cocoa, orange, tomato and oil palm
• 21

  Which of the following crops is propagated by suckers?

  回答

  (A)

  pineapple
• 22

  Which of the following is obtained from rubber tree?

  回答

  (B)

  latex
• 23

  If cassava is planted at a spacing of 1m x 1m, what will be the plant population on 1 hectare of land?

  回答

  (A)

  10,000
• 24

  What is the main difference between forage and fodder crops? Forage crops are

  回答

  (E)

  grazed while the fodder crops are fed
• 25

  Which of the following pasture grasses can be propagated mainly by roots and seeds?

  回答

  (E)

  guinea grass
• 26

  A stoloniferous grass which spreads rapidly and forms a good ground cover is

  回答

  (C)

  cynodon plectostachyus
• 27

  The act of clearing forests is termed

  回答

  (C)

  deforestation
• 28

  A major raw material of the paper industry is

  回答

  (A)

  pulp
• 29

  The system of growing arable crops at the early stage of forest establishment is referred to as

  回答

  (D)

  taungya system
• 30

  The physiological changes that show up during disease attack on crop plants are referred to as

  回答

  (B)

  symptoms
• 31

  The major pest of maize in Southern Nigeria is called

  回答

  (B)

  stem borer
• 32

  Which of the following insect pests of crops is usually controlled by fumigation?

  回答

  (A)

  bean weevil
• 33

  A major symptom f onion/twister is

  回答

  (B)

  motting of leaves
• 34

  Gummosis is caused by a

  回答

  (A)

  fungus
• 35

  Which of the following is not true about the aims of crop improvement? Production of

  回答

  (D)

  tall frowing leafty varieties of maize
• 36

  Which of the following is the correct function of the gizzard?

  回答

  (C)

  grinding of food
• 37

  The correct sequence of the components of a goat's stomach is

  回答

  (C)

  rumen-reticuleum-omasum-abomasum
• 38

  Rabbits are kept in

  回答

  (A)

  hutches
• 39

  A castrated male pig is called

  回答

  (B)

  barrow
• 40

  Layers mash should contain a high percentage of

  回答

  (B)

  calcium
• 41

  Which of the following symptoms occurs when there is deficiency of iron and copper in livestock rations?

  回答

  (D)

  anaemia
• 42

  The methods of rangeland management include the following except

  回答

  (A)

  overgrazing
• 43

  A miracidium is a larval stage of a

  回答

  (B)

  liver fluke
• 44

  The foot and mouth disease of cattle is caused by a

  回答

  (A)

  virus
• 45

  Which of the following is most ideal when cow dies due to anthrax disease?

  回答

  (A)

  bury or burn the carcass of the dead animal immediately
• 46

  The depth of a fish pond depends on the

  回答

  (C)

  type of fish to be reared
• 47

  Cow dung is usually added to a fish pond in order to encourage the growth of

  回答

  (B)

  phytoplankton and zooplankton
• 48

  The mating of different breeds of animals is known as

  回答

  (B)

  cross-breeding
• 49

  Which of the following types of labour is commonly used in peasant agriculture?

  回答

  (D)

  family
• 50

  The quantity of food crop available for sale at the current market price over a period of time is known as

  回答

  (C)

  supply