Which among the following is/are the components of the Green Revolution?
1. The HYV Seeds
2. The Irrigation
3. Organic Herbicides
4. Storage and Marketing
Select the correct answer using the codes given below:
1
1 and 2 only
2
1 and 3 only
3
1, 2 and 4 only
4
1, 2, 3 and 4