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6. Define the term osmosis.

  • Water moves around in a substance
  • Water diffuses into the sea
  • Only water moves from a region of high concentration to a region of low concentration
  • Only water moves from a region of low concentration to a region of high concentration

7. What is cell in a dilute solution called?

  • No one will ever know
  • Turgid
  • Plasmolysed
  • Flaccid

8. Why do plants need turgid cells in means of support?

  • No one will ever know
  • The turgid cell forms part of the skeleton
  • The turgid cell forms a rigid structure that supports the plant
  • The turgid cell creates a barrier protecting the plant from viruses

9. What organelles do plants have but not animals?

  • Vacuole, Cytoplasm and Cell Membrane
  • Vacuole, Chloroplasts and Cell Wall
  • Vacuole, Chloroplasts and Cell Membrane
  • Vacuole, Cytoplasm and Cell Wall

10. Define the term diffusion.

  • The net movement of particles within a gas/liquid from a region of high concentration to a region of lower concentration.
  • The net movement of particles within a gas/liquid from a region of low concentration to a region of higher concentration.
  • Particles move around in a substance
  • Particles diffuse into the sea

11. Define the term active transport.

  • The movement of particles in Space
  • The movement of particles in the sea
  • The movement of particles against the concentration gradient across a cell membrane
  • The movement of particles along the concentration gradient across the cell membrane

12. What organelles are found in both animal and plant cells?

  • Nucleus, Chloroplasts, Cell Wall and Mitocondria
  • Nucleus, Cytoplasm, Cell Membrane and Mitocondria
  • Nucleus, Cytoplasm, Cell Wall and Mitocondria
  • Nucleus, Chloroplasts, Cell Membrane and Mitocondria