Question
Biology Question on Eco-System
Which one of the following is not a gaseous biogeochemical cycle in ecosystem?
A
Sulphur cycle
B
Phosphorus cycle
C
Nitrogen cycle
D
Carbon cycle
Answer
Phosphorus cycle
Explanation
Solution
Biogeochemical cycles are of two types, sedimentary and gaseous. In sedimentary cycles, materials involved in circulation are nongaseous and the reservior pool is lithosphere e.g., phosphorus cycle. Nitrogen and carbon has gaseous cycle while sulphur has both gaseous and sedimentary phases.