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6. In plants, what are leaves examples of?

  • Tissues
  • Organs
  • Organ systems

7. What is diffusion?

  • The movement of particles from high concentration to low concentration
  • The movement of particles from low concentration to high concentration
  • Active movement of particles, requiring energy from respiration

8. What is an arthropod with six pairs of legs likely to be?

  • a myriapoid
  • a crustacean
  • an insect

9. Which process needs carrier proteins in the cell membrane?

  • Osmosis
  • Active transport
  • Diffusion

10. Which statement about protoctists is correct?

  • Amoeba and Chlorella both have features like a plant cell
  • Amoeba has features like an animal cell but Chlorella has features like a plant cell
  • Amoeba has features like a plant cell but Chlorella has features like an animal cell

11. What problem does tobacco mosaic virus cause?

  • Joining together of tobacco leaves to form a pattern
  • Discolouring of tobacco plant leaves
  • Changes to the leaves of other plants so they look like tobacco

12. Which statement about viruses is correct?

  • They have a protein coat
  • They can only reproduce inside animal cells
  • They only contain RNA

13. What structure does a plant cell have but an animal cell does not have?

  • A permanent vacuole
  • A circular chromosome
  • A cell membrane

14. In fungi, what is the cell wall made from?

  • Chitin
  • Cellulose
  • Glycogen

15. What do animals, fungi and viruses have in common?

  • They do not have cell walls
  • They cannot carry out photosynthesis
  • They consist of cells

16. What is a function of the vacuole in a plant cell?

  • It is where most of the chemical reactions in the cell happen
  • To keep the cell turgid
  • To store chlorophyll for photosynthesis