Photosynthesis Wrap-up
1. Distinguish between autotrophs and heterotrophs.
2. What is the overall reaction for photosynthesis?
3. Where does the energy for photosynthesis come from?
4. What plant pigments are involved in photosynthesis?
5. Explain why chlorophyll appears green to us in terms of what happens to different wavelengths of light that strike
a chlorophyll molecule.
6. In what organelle of a plant cell does photosynthesis take place?
7. What are the two stages of photosynthesis?
8. In which part of the chloroplast does each stage occur?
9. What photosynthesis waste product is formed in the light-dependent reactions?
10. What two products of the light-dependent reactions are used up in the light-independent reactions?
11. What happens to carbon dioxide molecules in the light-independent reactions?
12. What are the differences between the light-dependent reactions and the light-independent
reactions?
13. What other name is given to light-independent reactions?
14. Name the chemical compound shown below that cells use to store energy.
Label the parts that compose this molecule:
A= _________________________________
B= __________________________________
C=___________________________________
_________
15. Label the diagram below to summarize the two stages of photosynthesis. Use the word bank below the
diagram to fill in the blanks.
2.
3.
1.
4. _____
4.
_
11.
6.
5.
7.
12.
9. _______
8.__
10.
12.
Word list:
thylakoid
granum
stroma
light-dependent reactions
light-independent reactions
light
H2O
sugar
CO2
NADPH
ATP
O2