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 difference between the gross domestic product…The first stable product of photosynthesis is?The first stable product of photosynthesis is?The Net National Product (NNP) is Gross National…When the Total Product (TP) is at maximum point, the…