Questions

Choose the correct statement with respect to photorespiration.

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CO2 as well as O2 can bind to the active site of RuBisCO

In equal concentrations of CO2 and O2, RuBisCO has more affinity for O2 than CO2.

When O2 binds to the active site of RuBisCO, RuBP is cleaved into two molecules of Phosphoglyceric acid

In Photorespiration there is no formation of sugars but there is synthesis of ATP.

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detailed solution

Correct option is A

Active site of RuBisCO is occupied by CO2 or O2 which depends on the relative concentration of CO2 and O2.

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Similar Questions

Read the following statements on photorespiration and state them as true (T) or false (F).
(A) Oxidation of RuBP in the stroma of chloroplast in bright light and high oxygen.
(B) Does not utilise ATP and reducing power.
(C) Results in the release of ${CO}_{2}$ with the utilisation of energy.
(D) The biological function of photorespiration is not yet known.