Question

Which among the following statements is/are true for carbon cycle?

(a) Atmospheric inputs of carbon through rainfall are higher

(b) There is respiratory release of carbon into the atmosphere

(c) The gaseous exchange of carbon between organisms and environment is negligible

(d) Both (a) and (b)

Answer 1

Answer is : (d) Both (a) and (b)

An appreciable amount of gaseous exchange of carbon between organisms and environment occurs. Thus, the statements (a) and (b) are true for carbon cycle.