Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Knowledge Ecology and Environment Ecology and Functions of an ecosystem
Which one of the following Ecosystems covers the largest area of the Earth's surface?
1
Desert Ecosystem
2
Marine Ecosystem
3
Grassland Ecosystem
4
More than one of the above
5
None of the above