Photosynthesis and Respiration

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Across
  1. 3. The green pigment that absorbs light energy for photosynthesis.
  2. 6. A byproduct of photosynthesis released into the air.
  3. 8. The substance which is used to test for the presence of carbon dioxide.
  4. 10. An insoluble substance from which cell walls are made.
  5. 11. The process by which green plants produce glucose.
  6. 12. The substance which is used to test for the presence of starch.
Down
  1. 1. A gas taken in by plants from the air during photosynthesis.
  2. 2. The organelle found in plant cells where photosynthesis occurs.
  3. 4. The process by which oxygen breaks down glucose to release energy.
  4. 5. An insoluble substance that stores energy.
  5. 7. A simple sugar produced during photosynthesis that serves as an energy source for plants.
  6. 9. Absorbed by plants through their roots during photosynthesis.