(A) Approximately $71 \; \%$ of the global carbon is found dissolved in the oceans. This oceanic reservoir plays a crucial role in regulating the conc

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(A) Approximately $71 \; \%$ of the global carbon is found dissolved in the oceans. This oceanic reservoir plays a crucial role in regulating the concentration of carbon dioxide in the atmosphere.

Class 12 Biology Ecosystem Mix Examples- Ecosystem

Easy

How much carbon is dissolved in the oceans (in $; \%$)?

A
$71$
B
$61$
C
$81$
D
$51$

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Mix Examples- Ecosystem

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Match the List-$I$ with List-$II$:

List-$I$ List-$II$

$a$. Carbon dissolved in oceans $i$. $55$ billion tons

$b$. Annual fixation of carbon through photosynthesis $ii$. $71 \%$

$c$. $PAR$ captured by plants $iii$. $4 \times 10^{13} \ kg$

$d$. Productivity of oceans $iv$. $2$ to $10 \%$

Choose the correct answer from the options given below:

List-$I$	List-$II$
$a$. Carbon dissolved in oceans	$i$. $55$ billion tons
$b$. Annual fixation of carbon through photosynthesis	$ii$. $71 \%$
$c$. $PAR$ captured by plants	$iii$. $4 \times 10^{13} \ kg$
$d$. Productivity of oceans	$iv$. $2$ to $10 \%$