Biology Revision - Nerves And Hormones - Plant Hormones

18 Questions | Total Attempts: 289

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Biology Revision - Nerves And Hormones - Plant Hormones

B1. 2 - 3


Questions and Answers
  • 1. 
    Shoots grow towards...
    • A. 

      Gravity

    • B. 

      The sky

    • C. 

      Light

    • D. 

      Moisture

  • 2. 
    Shoots grow away from...
    • A. 

      Gravity

    • B. 

      The sky

    • C. 

      Light

    • D. 

      Moisture

  • 3. 
    ________ is a plant hormone that controls growth in plants mainly in the tips of shoots and roots
  • 4. 
    If light shines from one side the hormone 1)_______ is transported 2)________ from the light at the tip. 1) =
  • 5. 
    If light shines from one side the hormone auxin is transported 2)________ from the light at the tip. 2) =
  • 6. 
    As the auxin moves down the shoot it causes cell _____________. A greater concentration of auxin on one side causes more cell _____________ on that side which causes the shoot to towards the light (all same word)
  • 7. 
    Roots grow towards...
    • A. 

      Gravity

    • B. 

      The sky

    • C. 

      Light

    • D. 

      Moisture

  • 8. 
    In roots extra auxin INHIBITS   _______
  • 9. 
    If a root grows flat sideways, the auxin is transported to the bottomof the root causing a high concentration of auxin there which 1)_______ growth so there is less cell 2)___________. This means the root grows down towards gravity. 1) =
  • 10. 
    If a root grows flat sideways, the auxin is transported to the bottomof the root causing a high concentration of auxin there which inhiits growth so there is less cell 2)___________. This means the root grows down towards gravity. 2) =
  • 11. 
    A shoot grows up and towards the light which is called positive ___________
  • 12. 
    A shoot also grows away from gravity which is called negative _______________
  • 13. 
    Roots grow down and towards moisture They also grow towards gravity which is called positive _____________
  • 14. 
    If a plant want put on its side in a pot, the plant would bend to form a 'J' sort of shape - so the plant would grow towards ______
  • 15. 
    In this same sideways plant the roots would bend and grow down to form a 'r' sort of shape - the roots would be growing towards _______.
  • 16. 
    Plant hormones cannot be used for farming
    • A. 

      True

    • B. 

      False

  • 17. 
    Weedkillers contain hormones that stop the plants growth which kills it.
    • A. 

      True

    • B. 

      False

  • 18. 
    Rooting powder contains auxin which is put on the end of cutting to encourage new roots to grow
    • A. 

      True

    • B. 

      False

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