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Question

PGA as the first CO2 fixation product was discovered in photosynthesis of

A
Algae
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B
Bryophyte
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C
Gymnosperm
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D
Angiosperm
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Solution

The correct option is B Algae
The addition of molecular oxygen to ribulose-1,5-biphosphate produces 3-phosphoglycerate (PGA) and 2-phosphoglycolate (2PG, or PG). PGA is the normal product of carboxylation and productively enters the Calvin cycle. It was discovered as the first CO2 fixation product by experiments on algae.

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