1. Explain the importance of the following in photosynthesis.
  2. Light
  3. Carbon (IV) Oxide
  4. Chlorophyll
  5. Name one appropriate food substance for each of the following enzymes
  6. Ptyalin
  7. pepsin
  8. State the cause and symptoms of Beri-Beri
  9. Describe the process of blood clotting