Which one of the following statements about the process of photosynthesis is correct ?
[amp_mcq option1=”Chemical energy is converted into light energy.” option2=”Carbon dioxide is oxidised to form carbohydrate.” option3=”Water molecule splits into hydrogen and oxygen.” option4=”Light energy is directly used to split water.” correct=”option3″]
This question was previously asked in
UPSC NDA-2 – 2021
Photosynthesis involves two main stages: light-dependent reactions and light-independent reactions (Calvin cycle). The splitting of water occurs in the light-dependent reactions and is crucial for providing electrons and protons for subsequent steps and releasing oxygen.