UPSC Civil Services Model Paper 4

Rice is a commercial crop in Haryana and Punjab , but in Orissa, it is a subsistence crop.
The selection of crops can be the same in both types of farming, technique is what essentially differs. So, statement 1 is NOT correct.
Farm size must be small in subsistence farming as the farmer has to feed a single- family only.
In commercial farming, produce is to sell in the market, so farms must be large and economically viable. So, statements 3 and 4 are correct.