Photosynthesis Reviewer

1. What is one function of the other pigments besides chlorophyll, in the chloroplast?

• to block damaging wavelengths of light
• to absorb different wavelengths in than the chloroplast
• to provide different colors to the leaves
• to transfer energy to a separate photosystem beside the one using chlorophyll a and b.

2. What is the primary function of the light reactions of photosynthesis?

• To produce glucose
• To use ATP
• To produce NADPH and ATP
• To produce RuBP

3. What supplies the electrons that are lost in PS I?

• the electrons from PS II
• glucose
• water
• oxygen

4. Which of the following molecules is not needed for the Calvin Cycle?

• Carbon dioxide
• NADPH
• ATP
• water

5. Green plants reflect ________ light.

• red
• green
• all
• red and violet

6. The light reactions occur in the ________ and the dark reactions take place in the ________.

• Chloroplast / thylakoid membrane
• stroma / thylakoid
• mesophyl / stomata
• thylakoid membrane / stroma

7. Where does the carbon come from that is used to form glucose?

• The soil
• Carbon dioxide in the air
• From other carbohydrates
• Calvin Cycle

8. Where does the Calvin cycle take place?

• stroma of the chloroplast
• thylakoid membrane
• outer membrane of the chloroplast
• interior of the thylakoid membrane

9. What is the primary function of the Calvin cycle?

• regenerate ATP for use in the light reactions of photosynthesis
• produce oxygen by oxidizing water
• produce carbon dioxide for use in the light reactions of photosynthesis
• produce simple sugars from carbon dioxide

10. The H+ concentration gradient is used to

• make NADPH
• generate ATP
• split a water molecule
• form water