1. Tardigrade
  2. Question
  3. Biology
  4. Study the following statements. I. Decomposition is a carbon dioxide requiring process. II. Humus is colloidal in nature and serves as a reservoir of nutrients. III. Warm and moist environment slows down decomposition. IV. Humification and mineralisation occur during decomposition in the soil. Which of the statements given above are correct?

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Q. Study the following statements.
I. Decomposition is a carbon dioxide requiring process.
II. Humus is colloidal in nature and serves as a reservoir of nutrients.
III. Warm and moist environment slows down decomposition.
IV. Humification and mineralisation occur during decomposition in the soil.
Which of the statements given above are correct?

Ecosystem

Solution:

Statements II and IV are correct. Statements I and III are incorrect and can be corrected as
• Decomposition is an oxygen requiring process.
• Warm and moist environment favours decomposition.