Choose the incorrect statement with respect to photosynthesis.

Easy

A

Rubisco shows greater affinity towards oxygen when ${CO}_{2} and O_{2}$ concentrations are nearly equal.
B

$C_{3}$ plants have high ${CO}_{2}$ optima than $C_{4}$ plants.
C

Bundle sheath may be several layered in the leaves of $C_{4}$ plants.
D

In reduction stage of $C_{3}$ cycle there is utilization of 2 ATP and 2 NADPH for per ${CO}_{2}$ molecule fixed.

Solution

Rubisco shows more affinity towards ${CO}_{2}$ than $O_{2}$ when their concentration is nearly equal. $C_{3}$ plants have higher ${CO}_{2}$ optima as $450 {μlL}^{- 1}$ than $C_{4}$ plants which have $360 μlL^{- 1}$ . Bundle sheath of $C_{4}$ plants is usually many layered around the vascular tissues but single layered in maize. In reduction stage of $C_{3}$ cycle there is usage of 2 ATP and 2NADPH per ${CO}_{2}$ molecule fixed.

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