Question

Write any two demerits of green revolution.

Answer 1

Merits :
1. Higher Yield.
2. Machines made for plowing harvesting easy.
3. Surplus food can be sold to earn more.
4. Pests and insects controlled by pesticides and insecticides.
5. Good irrigation enhances production.
Demerits :
1. Loss of fertility with use of chemical fertilizers.
2. Use of tube wells reduced the water table.
3. Chemical fertilizers polluted groundwater.
4. Kills bacteria and microorganism helpful fossil.
5. Excessive use of fertilizers makes soil alkaline and unfit for cultivation.

Answer 2

(1)-Excessive use of chemical fertilisers that causes water pollution and reduces soil fertility.
(2)-Modern inputs also used in green revolution which is not afford by poor farmers.