Ecosystem Question 78
78. Which one of the following is not a gaseous biogeochemical cycle in ecosystem? [2012]
(a) Sulphur cycle
(b) Phosphorus cycle
(c) Nitrogen cycle
(d) Carbon cycle
Show Answer
Answer : b
Hints & Solutions
(b) Phosphorus is mostly used as phosphate. Its reservoir pool is phosphate rocks while cycling pool is soil for terrestrial ecosystems and water for aquatic ecosystems.
