A) RuBP
B) PEP
C) OAA
D) PGA
Correct Answer: B
Solution :
The process of photosynthesis in \[{{C}_{4}}\]-plants and CAM (Crassulacean Acid Metabolism) is same. But instead of spatial separation of initial PEP case fixation and final Rubisco fixation of \[C{{O}_{2}},\] the two steps occur in same cell but at different times, night and day, .e.g., Opuntia, pineapple, Vanilla. PEP (Phosphoenol Pyruvate) is the first acceptor of \[C{{O}_{2}}\] in CAM plants like \[{{C}_{4}}\]-plants.
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