Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Knowledge Geography (World Geography) World Economic and Human Geography
Canal irrigation is most important in the Northern Plains of India, because
1
the soil is porous.
2
the level of underground water is high.
3
the sources of canals are perennial rivers.
4
More than one of the above
5
None of the above