environment medium MCQ

Which of the following is a major indicator of soil health?

  1. Soil color only
  2. Organic matter content and microbial activity
  3. Soil depth only
  4. Rock content

Answer: Organic matter content and microbial activity

Soil organic matter and microbial diversity indicate fertility, structure, nutrient cycling capacity, and overall ecosystem health.

Topic Soil Conservation and Land Degradation
Exam Relevance UPSC, SSC
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