Coordination In Plants

Question 1

What is geotropism or gravitropism a response to

Answer 1

Gravity

Question 2

What is a coleoptile?

Answer 2

The first shoot emerging from soil

Question 3

What is auxin

Answer 3

A plant growth hormone responsible for geotropism

Question 4

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

Answer 4

To the dark side.

Question 5

In a shoot a high concentration of auxin….

Answer 5

Causes cell elongation

Question 6

In a root a high concentration of auxin…

Answer 6

Stops cell elongation

Question 7

Directional growth response:

Answer 7

Positive (growth towards stimulus)

Negative (growth away form stimulus)

Question 8

What is phototropism a response to

Answer 8

Light