Coordination In Plants Flashcards

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1
Q

What is geotropism or gravitropism a response to

A

Gravity

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2
Q

What is a coleoptile?

A

The first shoot emerging from soil

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3
Q

What is auxin

A

A plant growth hormone responsible for geotropism

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4
Q

If you shine light on a plant where does the auxin go?

A

To the dark side.

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5
Q

In a shoot a high concentration of auxin….

A

Causes cell elongation

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6
Q

In a root a high concentration of auxin…

A

Stops cell elongation

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7
Q

Directional growth response:

A

Positive (growth towards stimulus)

Negative (growth away form stimulus)

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8
Q

What is phototropism a response to

A

Light

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