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6. Which substance is found between xylem and phloem in stems?

  • Cambodia
  • Cambium
  • Carbon
  • Collenchyma

7. Where are vascular bundles found in leaves?

  • In the veins only
  • In the midrib only
  • In the midrib and veins
  • Throughout the leaf tissue

8. Why do plants need a transport system for effective diffusion?

  • They have a closed transport system
  • They have a low surface area to volume ratio
  • They are too big
  • They have a high surface area to volume ratio

9. How are xylem and phloem distributed in the plant?

  • Both are distributed throughout
  • Xylem is found in the leaves and phloem is found in the stem and roots.
  • Xylem is found in the roots and phloem is found in the leaves and stem
  • Xylem is found in the roots, phloem is found in the leaves and both are found in the stem.

10. How are xylem and phloem arranged in plant roots?

  • The xylem is in an X shape with phloem between its arms
  • The tissue types run parallel to each other
  • The tissue types run parallel to each other
  • The xylem forms a ring with phloem in the middle