Question

Farmers use chemical fertilizers to increase the yield of crops and pesticides to save from pests”.

A. Why is this not a good practice? What are it’s ill effects?

B. What alternatives do they have?

C. Increased use of chemical fertilizers is not advisable. Why?

D. Name the Biological phenomenon associated with accumulation of pesticides in the food chain.

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Answer 1

1.because it kills the useful insects

2.multiple cropping

organic farming

using natural fertilisers

3.because it will kill the nutrients in the soil

4.bio magnification