Question

Which component is missing from the chemical equation for photosynthesis? carbon dioxide + water + ? --> glucose + oxygen

(A.) hydrogen (B.) chlorophyll (C.) light energy (D.) mechanical energy

Answer 1

Chlorophyll and sunlight which play a key role in the formation of glucose..

Explanation:chlorophyll (an organelle of plant cell) where the process of light(in grana) and dark reaction (in stroma)take place.The sun energy is used for the excitation of electrons which help in the formation of glucose.