Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Knowledge Ecology and Environment Ecology and Functions of an ecosystem
In case of which one of the following biogeochemical cycles, microorganisms play a crucial role in allowing the nutrient to enter the cycle?
1
Carbon cycle
2
Nitrogen cycle
3
Phosphorus cycle
4
More than one of the above
5
None of the above