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:A decrease in the demand for a product X resulted in…The first stable product of photosynthesis is?When the Total Product (TP) is at maximum point, the…The first stable product of photosynthesis is?The difference between the gross domestic product…