Coordination In Plants Flashcards
1
Q
What is geotropism or gravitropism a response to
A
Gravity
2
Q
What is a coleoptile?
A
The first shoot emerging from soil
3
Q
What is auxin
A
A plant growth hormone responsible for geotropism
4
Q
If you shine light on a plant where does the auxin go?
A
To the dark side.
5
Q
In a shoot a high concentration of auxin….
A
Causes cell elongation
6
Q
In a root a high concentration of auxin…
A
Stops cell elongation
7
Q
Directional growth response:
A
Positive (growth towards stimulus)
Negative (growth away form stimulus)
8
Q
What is phototropism a response to
A
Light
