Select an option with respect to photosynthesis in plants from the given list.

i. Carbon monoxide   ii. Sugars   iii. Sunlight   iv. Water   v. Carbon dioxide   vi. Sulphur dioxide

Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to generate energy in the form of sugar and oxygen as a waste product.

Carbon monoxide and sulphur dioxide are poisonous gases, no way linked to photosynthesis.