The basic functional unit of solar energy which is absorbed by the pigment chlorophyll is:

1. Proton
2. Phytochrome
3. Phyton
4. Photon

The molecules of water split during:

1. Photorespiration
2. Phosphorylation
3. Photolysis
4. Photophosphorylation

Which of the following is used to remove chlorophyll from the leaves:

1. Iodine solution
2. Methylated spirit
3. Potassium hydroxide
4. Soda lime

The raw material which is reduced during photosynthesis is :

1. Carbon dioxide
2. Glucose
3. Water
4. Oxygen