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:The relationship between Marginal Product (MP) and…Which of the following is considered to be the first…The first stable product of photosynthesis is?Which of the following is considered to be the first…The difference between the gross domestic product…