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Agricultural Science Past Questions

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891
Which of the following processes will not lead to the loss of nutrients from the soil?
  • A. erosion
  • B. mulching
  • C. harvesting
  • D. leaching
View Answer & Discuss WAEC 2004
892
A disadvantage of using organic manure on the soil is that
  • A. it decreases the potassuim content of the soil
  • B. diseases spread fast
  • C. it increases the humus content of the soil
  • D. it reduces the rate of soil water evaporation
View Answer & Discuss WAEC 2004
893
Leguminous cover crops do not
  • A. bind the soil particles together through their roots
  • B. increaes the nitrogen content of soils
  • C. aid in improving the soil organic matter content
  • D. reduce the soil microbial population
View Answer & Discuss WAEC 2004
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
894
In the nitrogen cycle, nitrite is oxidized to nitrate by
  • A. nitrobacter
  • B. nitrosomonas
  • C. azotobacter
  • D. rhizobium
View Answer & Discuss WAEC 2004
895
Which of the following will not lead to loss of nitrogen compounds from the soil?
  • A. crop removal
  • B. burning
  • C. lodging
  • D. leaching
View Answer & Discuss WAEC 2004
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