Photosynthesis In Higher Plants Question 42

Question: The gas released in photosynthesis is

Options:

A) Pure $ CO_2 $

B) Pure $ O_2 $

C) Mainly $ CO_2 $

D) Mainly $ O_2 $

Show Answer

Answer:

Correct Answer: B

Solution:

Because this $ O_2 $ is evolved by photolysis of $ H_2O $ and $ {H^{+}} $ ions are oxidised further in $ H_2O $ and remaining $ {O^{-}} $ produces $ O_2 $ .