B1.2.6 Hormones and the control of plant hormones

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  • Created by: Maddi
  • Created on: 13-04-14 21:51
What stimuli do plants respond to?
Plants are sensitive to light, gravity and moisture.
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How to plants respond to their environment?
Plant responses are brought about by plant hormones.
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What is gravitropism?
The response of a plant to gravity.
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What is phototropism?
The response of a plant to light.
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Why do shoots bend towards the light?
Unequal distribution of auxin causes unequal growth which results in bending of the shoot.
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What effects does auxin have on root and shoot cells?
High levels of auxin make shoot cells grow more but inhibit growth of root cells.
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Why do farmers and gardeners use plant hormones?
We can use plant growth hormones as weed killers and as rooting hormones on cuttings.
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Card 2

Front

How to plants respond to their environment?

Back

Plant responses are brought about by plant hormones.

Card 3

Front

What is gravitropism?

Back

Preview of the front of card 3

Card 4

Front

What is phototropism?

Back

Preview of the front of card 4

Card 5

Front

Why do shoots bend towards the light?

Back

Preview of the front of card 5
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