Sensitivity of Plants

How plants detect light using photoreceptors and how they respond to environmental cues.

?
  • Created by: Niki :)
  • Created on: 05-03-13 18:13
The movement of plants in response to light in one direction only is known as...
Phototropism
1 of 8
What type of a substance is auxin?
growth hormone
2 of 8
Which statement about auxin is false?
They destroy enzymes, increasing the pH of the cell wall which becomes rigid.
3 of 8
What effect does etiolation NOT have on plants that grow in the dark?
short internodes
4 of 8
The length of the ___________ has an effect on the initiation of flowering in many plants.
photoperiod
5 of 8
Plant growth responses to environmental cues are known as...
tropisms
6 of 8
What effect does red light have on the flowering of a plant?
Inhibits flowering in short-day plants.
7 of 8
P660 and P730 are two interconvertible forms of which blue-green pigment?
phytochrome
8 of 8

Other cards in this set

Card 2

Front

What type of a substance is auxin?

Back

growth hormone

Card 3

Front

Which statement about auxin is false?

Back

Preview of the front of card 3

Card 4

Front

What effect does etiolation NOT have on plants that grow in the dark?

Back

Preview of the front of card 4

Card 5

Front

The length of the ___________ has an effect on the initiation of flowering in many plants.

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »