Question

What are the four modern methods of farming ? Write one harmful effect of Green Revolution.

CBSE Class IX Social Science SA (3 Marks)

Answer 1

Modern methods of farming are :

(i) Multiple cropping

(ii) Fertilizers and HYV seeds

(iii) Irrigation

(iv) Farm machinery.

Harmful Impact :

(i) Fertilizers pollute the ground water.

(ii) Chemical fertilizers kill the micro—organisms in the soil.