Name: _____________________________________
Period: ______
Photosynthesis and Respiration Worksheet
1. In what organelles do these processes happen? Label the organelle pictures in the diagram.
a. Photosynthesis _________________________
b. Respiration ____________________
2. Why is cellular respiration the opposite of photosynthesis?
3. What chemical energy is produced in photosynthesis but used in cellular respiration?
4. What is the energy molecule that is produced in cellular respiration?
5. Use the diagram above to write the formulas for the chemical reactions.
Photosynthesis
Cellular Respiration
For each blank use either Photosynthesis or Respiration
6. ______________________ Occurs in producers such as plants, algae, and some bacteria
7. ______________________ Occurs in all living things
8. ______________________ Uses carbon dioxide, water, and light energy
9. ______________________ Produces glucose (sugar) and oxygen
10. ______________________ Uses glucose (sugar) and oxygen
11. ______________________ Produces carbon dioxide, water, and ATP energy
12. ______________________ may takes place in chlorophyll or pigments
13. ______________________ Takes place in the mitochondria
14. ______________________ uses food for energy
15. ______________________ produces food
16. Use 1 or 2 sentences to explain the use/purpose of glucose.
17. Use 1 or 2 sentences to explain the use/purpose of ATP.
18. A plant is in an autotroph, which means it “automatically” can feed itself. Explain this using
photosynthesis and cellular respiration.