Which of the following is/are true about the Gangetic Plains of Uttar Pradesh?
I-Gangetic plain of Uttar Pradesh has a flat topography and highly fertile alluvial soil.
II-Gangetic plain span about three-fourths of the total area of the state.
III-The eastern tract of the Gangetic plain is well developed in terms of Agriculture.
1
Only I
2
Only I and II
3
Only I and III
4
All of the above