Question

Inorganic nutrients are released into the soil by the decomposition of dead organic matter through a process called as ________

• A. Photosynthesis
• B. Mineralization
• C. Purification
• D. Respiration

Hint:

Microbes turn humus into mineral nutrients: mineralization.

Answer 1

The Correct Option is B

Step 1: Understanding the Concept:
Dead matter is broken down into humus, and humus is slowly broken down by microbes. This last stage frees simple mineral nutrients.

Step 2: Check option 1:
Photosynthesis makes food in plants using light. It does not release nutrients from dead matter. Wrong.

Step 3: Check option 2:
Mineralization is the process in which microbes turn organic matter into inorganic nutrients in the soil. Correct.

Step 4: Check option 3:
Purification is not a decomposition step. Wrong.

Step 5: Check option 4:
Respiration releases energy from food. It does not describe release of mineral nutrients into soil. Wrong.

Final Answer:
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