Control In Plants Flashcards
1
Q
What are plants sensitive to?
A
Light
Moisture
Gravity
2
Q
How do shoots grow?
A
Towards light
Against gravity
3
Q
How do roots grow?
A
Towards moisture
In the direction of the force of gravity
4
Q
What do plants produce?
A
Hormones
5
Q
What do plant hormones do?
A
Coordinate and control growth
6
Q
What does auxin do?
A
Controls phototropism and geotropism
7
Q
Why do roots and shoots respond to light gravity and moisture?
A
They have an unequal distribution of hormones
8
Q
What does having unequal distribution of hormones lead to?
A
Unequal growth rates
9
Q
What are plant growth hormones used in?
A
Agriculture
Horticulture
10
Q
What are plant growth hormones used as?
A
Weed killers
Rooting hormones
11
Q
What is a practice for this?
A
Light growth on seedlings:
Box, hole of light, seedlings inside, grows towards light
