Choose the incorrect feature for intensive subsistence farming.

1. Practised in densely populated parts of the world.
2. Small plots of land are continuously cultivated.
3. Farm products are raised for export to earn maximum for a living.
4. Mainly food crops such as wheat, rice, pulses and millets are cultivated.

Match Column I with Column II and select the correct answer using the codes given below:

Choose the right option from the following:

1. A-4, B-1, C-2, D-3
2. A-3, B-4, C-1, D-2
3. A-3, B-4, C-2, D-1
4. A-1, B-4, C-2, D-3

Choose a benefit of the Green Revolution from the following:

1. ideal for continuous soil fertility
2. ideal for conserving groundwater
3. HYV seeds increased production
4. ideal for poor farmers

The Green Revolution introduced some of these to increase crop production. Choose the odd one out of the following:

1. High Yield Variety seeds
2. drip irrigation
3. chemical fertilisers
4. pesticides