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What are the three things plants are sensitive to?
Light, moisture (water) and gravity.
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What is the main plant hormone?
Auxin.
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What is the difference between auxin in the root of a plant and in the shoot of the plant?
In the roots any auxin inhibits growth and in the shoot any auxin premotes growth.
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What is a tropism?
Tropism is a growth response to a stimulus.
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What are the three types of tropism in a plant?
Geotropism (gravirty), Phototropism (light), hydrotropism (water).
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What does it mean if there is a negative tropsim?
The plant is growing away from the stimulus.
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Where are plant hormones used in agriculture?
Fruit ripening, routing powder, weed killers.
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Other cards in this set

Card 2

Front

What is the main plant hormone?

Back

Auxin.

Card 3

Front

What is the difference between auxin in the root of a plant and in the shoot of the plant?

Back

Preview of the front of card 3

Card 4

Front

What is a tropism?

Back

Preview of the front of card 4

Card 5

Front

What are the three types of tropism in a plant?

Back

Preview of the front of card 5
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