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Agricultural Science 1998 WAEC Past Questions

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11
The particle size of silt is
  • A. above 2 mm
  • B. 0.2 mm-2 mm
  • C. 0.02 mm-0.2 mm
  • D. 0.002 mm-0.02 mm
  • E. below 0.002 mm
View Answer & Discuss WAEC 1998
12
If the percentage of nitrogen in ammonium sulphate fertilizer is 20%, calculate the amount of nitrogen in 500 kg of the fertilizer.
  • A. 20 kg
  • B. 40 kg
  • C. 50 kg
  • D. 100 kg
  • E. 250 kg
View Answer & Discuss WAEC 1998
13
Fruit formation in plants may be delayed by excessive availability of
  • A. nitrogen
  • B. phosphorus
  • C. carbon
  • D. sulphur
  • E. molybdenum
View Answer & Discuss WAEC 1998
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14
The system of irrigation whereby water is introduced as a sheet over farmland is referred to as
  • A. shadoof
  • B. channel
  • C. flooding
  • D. underground
  • E. drip
View Answer & Discuss WAEC 1998
15
The major advantage of drainage in agriculture is
  • A. promoting growth of micro-organisms
  • B. supplying adequate nutrients to the soil
  • C. removing excess water from the soil
  • D. aiding decomposition of materials in the soil
  • E. making aeration of the soil very difficult
View Answer & Discuss WAEC 1998
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