Q. In $C_{3}$ plants, the first stable product of photosynthesis during dark reaction is
A) PGAL
B) RuBP
C) PGA
D) OAA
Explanation
The first step in dark reaction of $C_{3}$plants is carboxylation of ribulose 1-5 biposphate by atmosphere $CO_{2}$ in presenic of enzyme, Rubisco to form PGA Ribulose 1-5 bisphosphate+$CO_{2} + H_{2}O \rightarrow 3\ PGA$.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.