Question Text
Question 5 :
The process of uptake of CO$_{2}$ and release of O$_{2}$ by plants is known as
Question 7 :
Plants are known as purifiers of air due to process of <br/>
Question 8 :
85 - 90% of all photosynthesis of the world is carried out by <br/>
Question 10 :
The most vital process for the existence of life on earth is <br>
