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Wednesday, 15 April 2026
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In which of the soil layer does most biological activity occur?

In which of the soil layer does most biological activity occur?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A B - horizon
  • B C - horizon
  • C D - horizon
  • D A - horizon
Correct Answer: Option D
Explanation:
A - horizon is the top layer of the soil horizon, it contains decomposed organic matter which is necessary for plant growth and also microorganisms

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