Plant Hormones Flashcards
1
Q
What is it called when plants respond to light
A
Phototropism
2
Q
Experiment : cutting off shoot tips
A
Plant did not grow, hormone is found in plants tips
3
Q
Experiment: fail on top
A
The shoot did not grow towards light, tips are sensitive to light
4
Q
Experiment: foil on lower half
A
Shoots grower towards light, lower parts are not sensitive to light
5
Q
Where is auxin and what does it do
A
Tips and trigger cell growth
6
Q
Is auxin found on the lighter or darker side
A
Darker
7
Q
What do plant roots grow towards
A
Gravity
8
Q
What is it called plant roots growing to gravity
A
Geotropism
9
Q
Which side goes auxin grow on
A
Lower side
10
Q
What does auxin do in roots
A
Inhibits cell growth
11
Q
What does giberellins do
A
Seed germination
12
Q
What does ethene do
A
Cell division and fruit ripening
