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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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14. Short answer questions VI

3 m.

Why is excess use of fertilizers detrimental for environment?

a. Fertilizers are __________.

chemical substances that do not give plants nutrients, leading to decreased growth and yield.
chemical substances that provide nutrients to plants, leading to decreased growth and yield.
chemical substances that provide nutrients to plants, leading to increased growth and yield.
chemical and biological substances that provide nutrients to plants and animals, leading to increased growth and yield.

b. Fertilizers contain ___________ and should be used in prescribed doses to avoid water pollution and soil destruction.

c. Select the incorrect statement regarding fertilizers?

Excessive use of fertilizers can harm soil fertility and microorganisms and cause water pollution.
Overusing fertilizers can improve soil fertility and promote the growth of microorganisms, but it can also lead to water pollution.
Excessive use of fertilizers harms the environment by polluting the air, water, and soil, resulting in costly damages.
None of the above

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