Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Knowledge Ecology and Environment Ecology and Functions of an ecosystem
The phosphorus cycle is unusual because it is entirely:
1
Within aquatic ecosystem
2
Within terrestrial ecosystem
3
Sedimentary
4
More than one of the above
5
None of the above