Q197 / 199 · NEET 2008 (Mains) · Zoology

About $70 \%$ of total global carbon is found in

A
Forests
B
Grasslands
C
Agroecosystems
Correct answer
D
Oceans

Solution

Oceans : For the C, cycling pool consists of $6 \times 10^{14} \mathrm{~kg}(29 \%)$ of free $\mathrm{CO}_2$ in the atmosphere and $1.45 \times 10^{15} \mathrm{~kg}(71 \%)$ dissolved $\mathrm{CO}_2$ in hydrosphere.

Hence, the correct answer is option: 'D'.

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