Q. PGA, the first carbon dioxide fixation product was firstly discovered in

A) Bryophytes
B) Pteridophytes
C) Angiosperms
D) Alga
Explanation

The uses of radioactive$\ ^{14}C$ by Malvin-Calvin in algal (Chlorella) photosynthesis studies, led to the discovery that first carbon dioxide fixation product was 3-carbon organic acid. This first product was identified as 3-Phosphoglyceric Acid (3PGA)

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.