Tropisms

Question 1

Tropic response

Answer 1

a response by a plant to a stimuli

change in the environment

Question 2

Gravitropism

Answer 2

a response in which parts of a plant grow towards, or away from, gravity

Question 3

Phototropism

Answer 3

a response in which parts of a plant grow towards, or away from, the direction from which light is coming

Question 4

Positive tropism

Answer 4

part of a plant grow toward the stimulus
(shoot - positive phototropism)
(root - positive gravitropism)

Question 5

Negative tropism

Answer 5

part of a plant grows away from the stimulus
(shoot - negative gravitropism)
(root - negative phototropism)

Question 6

Auxin

Answer 6

plant hormone causing growth in response to stimuli