Which group of plants are not benefitted by C | vedclass

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(B) $C_4$ plants are not significantly benefitted by the $CO_2$ fertilisation effect because they have a mechanism to concentrate $CO_2$ around the en

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Plants with Kranz anatomy

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(B) $C_4$ plants are not significantly benefitted by the $CO_2$ fertilisation effect because they have a mechanism to concentrate $CO_2$ around the enzyme $RuBisCO$. These plants possess $Kranz$ anatomy,which allows them to maintain high levels of $CO_2$ in bundle sheath cells,effectively suppressing photorespiration. Since $C_4$ plants are already saturated with $CO_2$ at current atmospheric levels,an increase in $CO_2$ concentration does not enhance their photosynthetic rate as much as it does for $C_3$ plants.

Which group of plants are not benefitted by $CO_2$ fertilisation effect?

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