Is oxygen produced during light reactions of photosynthesis an excretory product of plants?

1 Answer
Nov 8, 2017

Yes oxygen produced during light reactions of photosynthesis is an excretory product of plants.

Explanation:

As this oxygen is not utilized by the plants, instead they release it as a result of photolysis during light reactions of photosynthesis.
So, this oxygen can definitely be called as excretory product of plant.
This oxygen produced is the main source of replenishment of atmospheric oxygen.