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Agricultural Science 1990 WAEC Past Questions

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
26
Pests of crops that feed by piercing and sucking plants include the following except
  • A. stem borers
  • B. aphids
  • C. cocoa mirids
  • D. cotton stainers
  • E. cassava mealy bugs
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27
Maize grows best on
  • A. sandy soil
  • B. sandy-clay soil
  • C. clayey-loam soil
  • D. loamy soil
  • E. silty-clay soil
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28
Soil may be exposed to erosion when a pasture is
  • A. undergrazed
  • B. overgrazed
  • C. paddocked
  • D. weeded
  • E. fanced
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29
Taungya farm involves the combination of
  • A. crop and animal husbandary
  • B. crop husbandary and forestry
  • C. forestry and animal husbandary
  • D. crop husbandary and fish farming
  • E. forestry and fishing farming
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30
The destructive effects of variegated grasshoppers are conspicuously observed on
  • A. cassava and yam crops
  • B. cocoa and citrus crops
  • C. cowpea and maize crops
  • D. maize and cassava crops
  • E. citrus and weeds
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