TR CALEB-GOODRICH INT'L SCHOOL

What is the main function of chlorophyll in photosynthesis?

• a) Absorbing carbon dioxide

• b) Splitting water into hydrogen and oxygen

• c) Absorbing sunlight and converting it into chemical energy

• d) Transporting glucose to other parts of the plant

The splitting of water molecules using light energy is called:

• a) Hydrolysis

• b) Photolysis

• c) Chemolysis

• d) Glycolysis

Which pigment is primarily responsible for capturing light energy in plants?

• d) Anthocyanins

• c) Xanthophylls

• b) Chlorophyll a

• a) Carotenoids

What is the byproduct of photosynthesis that is released into the atmosphere?

• a) Oxygen

• b) Carbon dioxide

• c) Glucose

• d) Water

In which part of the plant does photosynthesis primarily occur?

• a) Roots

• b) Stems

• c) Leaves

• d) Flowers

What happens to the oxygen produced in the light stage?

• a) It is stored in the plant for later use

• b) It is used in the dark stage

• c) It is released into the atmosphere through the stomata

• d) It is converted into glucose

Where does the dark stage of photosynthesis occur?

• a) Thylakoid membrane

• b) Stroma of the chloroplast

• c) Cytoplasm

• d) Mitochondria

Which two molecules produced in the light stage are used in the dark stage?

• a) Oxygen and ATP

• b) NADPH and ATP

• c) Carbon dioxide and oxygen

• d) Glucose and water

What is the main purpose of the dark stage of photosynthesis?

• a) To absorb sunlight for energy production

• b) To convert carbon dioxide into glucose

• c) To release oxygen into the atmosphere

• d) To break down glucose for energy

In which form is glucose stored in plant cells?

• b) Protein

• a) Cellulose

• c) Starch

• d) Glycogen