Photochemical reactions

Photosynthesis is a process where green plants convert carbon dioxide and water into sugars using light energy. This occurs in chloroplasts, which absorb photons to split water molecules. The resulting hydrogen atoms combine with carbon dioxide to form sugars, which are stored in various parts of the plant.

What is the primary role of photochemical reactions in photosynthesis?

• To produce oxygen

• To store energy in the form of ATP

• To convert light energy into chemical energy

• To absorb carbon dioxide

Where does photosynthesis primarily occur within plant cells?

• Mitochondria

• Chloroplasts

• Ribosomes

• Nucleus

What is the function of chloroplasts in photosynthesis?

• To store glucose

• To absorb water

• To release oxygen

• To absorb light and split water molecules

What happens to hydrogen atoms after water molecules are split during photosynthesis?

• They are used to produce ATP

• They are stored in the roots

• They combine with carbon dioxide to form sugars

• They are released as oxygen

Where are the sugars produced in photosynthesis stored in the plant?

• In the plant's bark

• In the plant's flowers

• In the plant's seeds

• In the plant's leaves, stem, and roots