A. Oxygen cycle
B. Nitrogen cycle
C. Water cycle
D. Phosphorus cycle
Related Mcqs:
- Which one of the following pairs is a sedimentary type of biogeochemical cycle?
- Which one of the following cycle is not a gaseous biogeochemical cycle in ecosystem ?
- An example of one way ecological cycle is __________?
- A Rankine cycle working with saturated steam differs thermodynamically from a Carnot cycle only in the fact that
- The most abundant gases in the earth’s atmosphere by volume are ____________.
- The cycle of life, death and decay involving organic nitrogeneous matter is called
- The source of atmospheric oxygen is _________________.
- In a volume of air near the earth’s surface, _____________ occupies 78 percent and ____________ nearly 21 percent.
- The cycle generally used for gas turbines is
- A Brayton cycle is also a reversed
