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Read the following statements and choose the correct option: 1. Humus is less resistant to microbial action and undergoes decomposition at an extremely slow rate 2. Being colloidal in nature, humus serves as a reservoir of water 3. The humus is further degraded by some microbes and release of inorganic nutrients occur by the process known as mineralisation. 4. earthworm being referred to as the farmer’s ‘enemy'.

Options

  1. AOnly 1 is correct
  2. BBoth 1 and 3 are incorrect
  3. CAll are incorrect
  4. DOnly 3 is correct

Correct answer

D. Only 3 is correct

Step-by-step solution

Humus is highly resistant to microbial action and undergoes decomposition at an extremely slow rate. Being colloidal in nature it serves as a reservoir of nutrients. The humus is further degraded by some microbes and release of inorganic nutrients occur by the process known as mineralisation

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