Plant Hormones Flashcards
1
Q
What does Auxin control?
A
THE GROWTH OF A PLANT IN RESPONSE TO LIGHT (PHOTOTROPISM) GRAVITY (GEOTROPISM) AND MOISTURE
2
Q
What is Auxin?
A
A PLANT GROWTH HORMONE
3
Q
If the tip of a shoot is removed, what happens?
A
NO AUXIN IS AVAILABLE AND THE SHOOT MAY STOP GROWING
4
Q
Extra auxin promotes what and inhibits what?
A
PROMOTES GROWTH IN The SHOOT BUT INHIBITS GROWTH IN THE ROOT
5
Q
Shoots grow towards the light. When a shoot tip is exposed to light, more auxin accumulates on the side that’s in the side than the side that’s in the light. What does this make the cells do?
A
GROW (ELONGATE) FASTER ON THE SHADED SIDE, SO THE SHOOT BENDS TOWARDS THE LIGHT
6
Q
Plant hormones also have uses in what?
A
AGRICULTURE