Plant Hormones

Question 1

What are the 3 hormone types

Answer 1

Lipid- derived
Amino acid derived
Proteins/peptides

Question 2

What are hormones produced by?

Answer 2

Action potential

Question 3

What do hormones in plants control?

Answer 3

Growth and development

Question 4

What are some things that plant hormones? (5) affect

Answer 4

1) growth (all parts of plant)
2)flowering
3)fruit development/ripening
4. Seed bud germination
5. Inhibition of growth and development
-Good for when it’s a bad growing season

Question 5

What is an antagonistic hormone

Answer 5

When different hormones have opposite effects

Question 6

What characterizes synergistic hormones

Answer 6

Different hormones that have the same effects

Question 7

What are some effects of auxins on plants

Answer 7

°auxin stimulatesthe all, Elongation
Roots and shoots
- auxin moves through active transport

Question 8

More effects of auxin in plants

Answer 8

Promotes phototropism
-transport a auxins in inhibited by light so the cells move to the dark side
- promotes gravitropism (roots growth along gravity), causes the elongation of roots
- inhibits lateral growth

Question 9

Hormones that stimulate - gribberelins

Answer 9

°many forms
- produced by plants and fungi in apical meristems and young leaves(moves in the xylem and phloem)
-produced after the day becomes longer than the noght

Question 10

Gibberelins in fruit

Answer 10

-promotes stem elongation, leaf/root growth, get, of fruit, prevents degradation of chlorophyll

Question 11

What is gibberelins relationship to auxins?

Answer 11

They work together to retain water to make fruit bigger