Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Knowledge Geography (World Geography) World Economic and Human Geography
'Milpa', 'Roca', 'Ladang' are different names of which of the following?
1
Rain water harvesting
2
Shifting cultivation
3
Open-cast mining
4
More than one of the above
5
None of the above