Other questions in this quiz

2. What is the direction of flow of substances in the xylem?

  • Up and down
  • Upwards
  • Downwards

3. Carbon dioxide is required for what chemical process in plants?

  • Photosynthesis
  • respiration

4. By what structure is water carried to leaves in?

  • Xylem
  • Phloem

5. How is sugar made in the leaves?

  • Photosynthesis
  • Respiration

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