Multiple choice

Which of the following statements is incorrect regarding fertilizers?

  1. Fertilizers are the inorganic salts prepared in factories.

  2. Excessive use of fertilizers makes the soil less fertile.

  3. Fertilizers have become a source of water pollution.

  4. Fertilizers provide a lot of humus to soil.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Fertilizers are inorganic chemical substances that provide specific nutrients like nitrogen, phosphorus, and potassium. They do not provide humus, which is organic matter derived from decaying plant and animal material.

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