Read the given statement and select the correct option.
Statement 1: Carboxylation is the most crucial step of Calvin where $C O_{2}$ is utilised for the carboxylation of RuBP.
Statement 2: Carboxylation is catalysed by the enzyme RuBisCO which results in the formation of two molecules of 3PGA.

Both statement 1 and 2 are correct

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Statement 1 is correct but statement 2 is incorrect

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Statement 1 is incorrect but statement 2 is correct

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Both statement 1 and 2 are incorrect

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Solution

The correct option is A Both statement 1 and 2 are correct
Carboxylation is the fixation of $C O_{2}$ into a stable organic intermediate. It is the most crucial step of the Calvin cycle where $C O_{2}$ is utilized for the carboxylation of RuBP through the use of ATP and NADPH generated by the light reaction. This reaction is catalysed by enzyme RuBisCO which results in the formation of two molecules of 3-phosphoglyceric acid or PGA, which is the first stable product of photosynthesis.

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Similar questions

C O_{2}

H_{2} O

Statement 1: 1 dozen banana from vendor A may not weigh the same as 1 dozen banana from vendor B.

Statement 2: 1 mole oxygen from chemist A may not weigh the same as 1 mole oxygen from chemist B.

Choose the correct option based on the statement given:

Statement 1: Carbon always shares electrons and forms covalent bond with other elements.

Statement 2: $C^{+ 4}$ and $C^{- 4}$ ions are highly unstable.

C^{4 +}

C^{4 -}

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