1.

a. State any two differences between phosphorus and carbon cycles in nature. b. Write the importance of phosphorus in living organisms.

Answer»

a.

Phosphorus cycleCarbon cycle
(i)It is a sedimentary cycle.It is a gaseous cycle.
(ii)Atmospheric inputs through rainfall are much smaller.Atmospheric inputs through rainfall are more.
(iii)Gaseous exchange of phosphorus between organism and environment is nil.Gaseous exchange of carbon between organism and environment is much more

b. Phosphorus is a major constituent of biological membranes, nucleic acids and cellular energy transfer


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