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1296
Which of the following statements is correct about micro-nutrients? They
  • A. promote formation of only root nodules
  • B. are required by plants in very small quantities
  • C. are fixed into the soil through microbial activity
  • D. increase crop tolerance to pest attack
View Answer & Discuss WAEC 2011
1297
Which of the following properties of soil determines its water-holding capacity? I. Texture II. pH III. Colour IV. Structure
  • A. I and II only
  • B. I and IV only
  • C. II and III only
  • D. III and IV only
View Answer & Discuss WAEC 2011
1298
Which of the following statements about soil organisms is false?
  • A. soil pH will attack population of soil organisms
  • B. population of soil living organisms is increased with increase in soil organic matter
  • C. soil with good texture and structure cannot harbour soil microbes
  • D. soil temperature affects the activities of soil organisms
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1299
A detrimental effect of bush burning is that it
  • A. destroys soil organic matter
  • B. destroys weed seeds
  • C. sterilizes the soil
  • D. adds potash to the soil
View Answer & Discuss WAEC 2011
1300
The following crops will enrich the soil with nitrates except
  • A. calopogonium
  • B. pueraria
  • C. centrosema
  • D. exoriepus
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