Photosynthesis P2 Quiz

What is the main purpose of the light-independent reactions in photosynthesis?

• To absorb light energy

• To produce ATP and NADPH

• To trap carbon atoms into an energy storage molecule

• To release oxygen

Which pigment absorbs red and blue light and reflects green?

• Chlorophyll a

• Chlorophyll b

• Carotenoids

• None of the above

What is the function of chlorophyll in photosynthesis?

• To absorb water

• To reflect light

• To absorb light energy

• To produce glucose

Which phase of the Calvin Cycle involves the fixation of CO2?

• Phase 1: Carbon Fixation

• Phase 2: Reduction

• Phase 3: Regeneration of RuBP

• None of the above

What is the end product of the Calvin Cycle?

• ATP

• NADPH

• Glucose

• Oxygen

What happens to the rate of photosynthesis when there is a decrease in water availability?

• The rate increases

• The rate decreases

• There is no effect on the rate

• It depends on other factors

Where are stomata more likely to be found in partially submerged aquatic plants?

• Upper epidermis

• Lower epidermis

• Both upper and lower epidermis

• None of the above

Which color of light is typically best for plant growth?

• Blue

• Red

• Green

• Yellow

What happens to the rate of photosynthesis when there is an increase in CO2 concentration?

• The rate increases

• The rate decreases

• There is no effect on the rate

• It depends on other factors

What is the disadvantage of photorespiration?

• Production of ATP

• Production of glucose

• No production of ATP

• No production of glucose