Question

Why plants do photosynthesis?

Answer 1

For preparing their food ..

Answer 2

Plants use photosynthesis to produce carbohydrates from inorganic substrates. All organisms need energy to grow and reproduce. ... The respiration reaction uses carbohydrates like glucose as a substrate. Whereas humans eat food to provide the fuel for respiration, plants make their own through photosynthesis.

hope it clarifies ur doubt dear friend..