M/J 2014/P11/Q32
What is not essential for photosynthesis?
A carbon dioxide
B sugar
C light
D water
Answer: B
Explaination
Photosynthesis is a process in which carbon dioxide and water from the atmosphere are absorb by the plant in the presence of sunlight to release carbohydrate in the form of glucose and oxygen. There is no need of sugar for photosynthesis.
6CO2 + 6H2O → 6O2 + C6H12O6
