Plant Hormones (AQA GCSE Biology): Flashcards
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14 cards from this deck
Plant hormones
Plant hormones
Chemicals that control plant growth & development
Tropisms
Tropisms
Growth responses to environmental stimuli
Phototropism
Phototropism
Growth response to light
Gravitropism
Gravitropism
Growth response to gravity
Positive tropism meaning
Positive tropism meaning
Growing towards a stimulus
Negative tropism meaning
Negative tropism meaning
Growing away from a stimulus
Hormone controlling tropisms
Hormone controlling tropisms
Auxins
Auxins effect in roots
Auxins effect in roots
Stop/inhibit cell growth
Auxins effect in shoots
Auxins effect in shoots
Promote/increase cell growth
Roots & light: tropism type
Roots & light: tropism type
Negative phototropism
Roots & gravity: tropism type
Roots & gravity: tropism type
Positive gravitropism
Shoots & light: tropism type
Shoots & light: tropism type
Positive phototropism
Shoots & gravity: tropism type
Shoots & gravity: tropism type
Negative gravitropism
Why shoots grow towards light
Why shoots grow towards light
To increase photosynthesis