Contol In Plants Flashcards
1
Q
Why do plants produce hormones?
A
They produce hormones to coordinate and control growth
2
Q
Give an example of a plant hormone and what it does.
A
Auxin control photosynthesis and gravitropism (geotropism)
3
Q
What are the responses of plant roots and shoots to light, gravity and moisture are result of?
A
Unequal distribution of hormones, causing unequal growth rates
4
Q
Give example of hormones given to pants (by humans).
A
Plant growth hormones are used in agriculture
horticulture is used as a weed killer and as rooting hormones
5
Q
What are plants sensitive to?
A
Light, moisture and gravity:
Their shoots grow towards light and against the force of gravity
Their roots grow towards moisture and in the direction of the force of gravity
