Q. If green plants are incubated with $O^{18}$ labelled water, which molecule (photosynthesis product) will become radioactive from the given options
A) $O_{2}$
B) $H_{2}O$
C) $CO_{2}$
D) ATP
Explanation
Oxygen evolves by the oxidation of water molecule in the process called photosynthesis. Thus, it water is $O^{18}$ labelled then oxygen liberated by process called photosynthesis must also be labelled
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.