Back to quiz

6. What opens and closes the stomata?

  • Guard cells
  • Lower epidermis
  • Nothing
  • Cuticle

7. Root hairs take in minerals using....

  • Diffusion
  • Active transport
  • Osmosis

8. Three main minerals in plants: Nitrates, Potassium &

  • Helium
  • Phosphates
  • Hydrogen
  • Magnesium

9. Stomata closes when roots dry up?

  • True
  • False

10. Which one of these is not a food preservation method?

  • Drying
  • Cooling
  • Freezing
  • Baking
  • Adding vinegar

11. Define Transpiration?

  • The loss of water from a plant.
  • When particles move from a low concentration to a high concentration.
  • When particles move from an area of high concentration to a low concentration.
  • When particles move from a high water concentration to a low water concentration across a partially permeable membrane.

12. What vessel is made from dead cells?

  • Xylem
  • Phloem