Photosynthesis Review Questions

What three things are required for photosynthesis?

• carbon dioxide, oxygen, water

• oxygen, water, sunlight

• water, sunlight, glucose

• carbon dioxide, water, sunlight

What are the major food-producing organs of plants and the sites of photosynthesis?

• chloroplasts

• roots

• stems

• leaves

What are the small openings on the bottom epidermal layer of most leaves?

• mesophyll

• epidermal

• stomata

• chlorophyll

Where does the first step of photosynthesis occur?

• chlorophyll

• mesophyll

• chloroplasts

• epidermal

What is made during the second step of photosynthesis?

• sugars

• chlorophyll

• mesophyll

• cuticle

What do the light reactions produce?

• ATP, NADPH, O₂
• H₂O, O₂, Glucose
• NADP⁺, ADP + P, O₂
• NADPH, H₂O, ATP

What gas goes into the plant before photosynthesis?

• Carbon Dioxide
• Carbon Monoxide
• Oxygen
• Nitrogen

What three things are needed for a plant to do photosynthesis?

• Glucose, Oxygen, Sunlight
• CO₂, Oxygen, Sunlight
• CO₂, Water, Sunlight
• Oxygen, Water, Sunlight

What two products does a plant make during photosynthesis?

• Water and Glucose
• Oxygen and Glucose
• Oxygen and Water
• CO₂ and Glucose

What is the name of the green pigment inside plants?

• Monophyll
• Chlorophyll
• Epiphyll
• Glorophyll