The by-product of photosynthesis is? by Sunday | Sep 5 | Biology JAMB | 0 comments A. CO2 B. O2 C. C6H12O6 D. H2O Correct Answer: Option B – O2 Users Also Read These:When the Total Product (TP) is at maximum point, the…The product cost that does not form part of the…Which of the following is considered to be the first…The by-product in plant photosynthesis is?The relationship between Marginal Product (MP) and…