Question

why the northern plain is known as "food bowl"of india?

Answer 1

Because variety of food obtained here like in fruit there are many variety of apple , mango etc . The paddy rice , wheat grain , pulses and cereals are also obtained in North india . So Northern plain is known as " food bowl "of india

Answer 2

heya !!
The northern plain known as food blow of India because is it drainage by river ganga as a result it is very fertile . therefore the States in these region produced huge quantity of stable crops like rice etc.