Q. The first product of $CO_{2}$ fixation in $C_{4}$ pathway is
A) Acitic acid
B) RuBP
C) PGA
D) Inorganic acid
Explanation
Oxaloacetic acid. Plants that are adapted to dry tropical regions generally have the $C_{4}$ pathway. Though these plants have the $C_{4}$-oxaloacetic acid as the first $CO_{2}$ fixation product they use the $C_{3}$ pathway or the Calvin cycle as the main biosynthetic pathway
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.