Question

GEOGRAPHY (class 9,ch1&2)

Largest part of northern plains is formed of older ________ and is known as ___________.
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Answer 1

The Largest part of the northern plains is formed of older ALLUVIUM and is known as  BHANGAR.  

Explanation:

from the chapter "Physical features of India", we can study about the northern plains, which are formed of older alluvium.  these northern plains of older alluvium lie above the flood plains of the rivers, which represent a terrace-like feature. and call this part as Bhangar.