Across
- 3. During photosynthesis, light energy is converted to ..... energy.
- 5. Energy is stored in the chemical ....... within the glucose molecule.
- 7. Type of cells in the lower leaf epidermis that change shape to form a stoma.
- 9. Chemically constructive process that produces plant food in the leaves.
- 13. Green pigment in chloroplasts.
- 15. Gas used as a reactant in the photosynthesis reaction - ..... dioxide.
- 16. Ratio of C:H:O in glucose is 1: ? :1.
- 17. Liquid absorbed from the soil & needed as a reactant in the photosynthesis reaction.
- 18. Cell organelle in which photosynthesis occurs.
Down
- 1. Cellular process that produces energy 24 hours a day in all living cells.
- 2. This supplies the energy needed to make plant food - comes from the sun.
- 4. Gas produced in the respiration reaction - carbon .......
- 6. Number of molecules of carbon dioxide needed to produce 1 molecule of glucose in photosynthesis.
- 8. Cell organelle where cellular respiration occurs.
- 10. Plant leaves have a large ...... area to maximise absorption of carbon dioxide & light.
- 11. Openings on the lower side of leaves allowing for gas exchange.
- 12. Plant food produced by the photosynthesis process.
- 14. Gas produced by photosynthesis.