1. Contrast autotroph from heterotroph and list an example of each.
2. What are the three stages of photosynthesis and which of these stages are dependent on light?
3. What are the four steps of the light dependent reactions of photosynthesis?
4. Where do the light dependent reactions take place in the plant cell?
5. Draw out the light dependent reaction occurring inside a thylakoid membrane and number where the steps take place.
6. Is the electron transport chain (ETC) part of the light dependent or light independent reactions? Explain your reasoning.
7. Explain photolysis.
8. Circle the appropriate word for each fragment.
ATP and NADPH are products/ reactants for the light dependent stage and products/ reactants for the light independent stage of photosynthesis.
9. What do plants have that animal cells do not?
10. How are cyanobacteria and plants alike? Different?
11. What are pigments and where are they located inside photosynthesizing organisms?
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12. Do you think endosymbiosis is what really happened? Explain.
13. Diagram out endosymbiosis theory and determine whether it’s a form of active transport or passive transport.
14. When water is split during the light dependent reaction, where do the H+ ions go? What form of transport is occurring (diffusion, facilitated diffusion or active transport)?
15. How do photosynthesizing organisms such as trees use the H+ ion concentration gradient to make the energy carrying molecule ATP?
16. How do photosynthesizing organisms such as trees use the electrons to make NADPH, an energy carrying molecule?
17. What happens to the oxygen when water is split inside the thylakoid membrane of a chloroplast inside a photosynthesizing organism?
18. Explain why oak trees leaves are green instead of purple.
19. Cyanobacteria are often blue in color. Explain this phenomenon using the terms reflection and absorption.
20. What specific process or stage of photosynthesis does this diagram represent?
21. What specific process or stage of photosynthesis does this diagram represent?
22. What is Stage 3 of photosynthesis? Does it occur during the day, during the night or both day and night? Explain.
Process / Location / Reactants (Inputs) / Products (Outputs)Light Dependent Reactions
Light Independent Reactions
(Calvin Cycle)
23. True or False: Light Independent Reactions are a form of CO2 Fixation. Explain.
24. Explain the overall process of the Calvin Cycle and where it occurs in plant cells.
25. What does the enzyme Rubisco do?
26. This figure summarizes both major stages of photosynthesis.
Fill out the Table using the Diagram above and the equation below:
6CO2 + 6H2O + light energy C6H12O6 + 6O2
27. What happened to the Elodea leaf cells when you put a drop of salt water and viewed it beneath the microscope?
28. Give an example of monomer and a polymer of carbohydrates.
29. Carry out a dehydration synthesis with the following molecules and label them.
30. Carry out the hydrolysis using the following molecule and label it.
+ H2O
Potential Free Response Questions
-Historical Analysis on Photosynthesis- interpreting data
- Von Helmont’s experiment growing willow sapling in soil
- Joseph Priestly’s experiment burning candle and placing mint leaf inside covered container
-Interpreting Absorbency Graphs
- Color absorbed and reflected with respective wavelengths
-Dehydration Synthesis and Hydrolysis of Sugars
-Diagraming and explaining light reactions
-Diagraming and explaining Calvin Cycle
New Chlorophyll Discovered Article
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