Plant Hormones

Question 1

Plant hormone: Auxin

Answer 1

Function: Cell elongation, phototropism

Location: Tip of apical stem, young leaves

Question 2

Plant hormone: Cytokinins

Answer 2

Function: Cell division, promote lateral/axillary bud growth

Location: Roots

Question 3

Plant hormone: Gibberellins

Answer 3

Function: Stem elongation, fruit growth, seed germination with imbibition

Location: Meristems of apical buds, young leaves, developing seeds

Question 4

Plant hormone: Abcisic Adic

Answer 4

Function: Inhibits growth, seed dormancy, drought tolerance (closes stomata)

Location: Everywhere

Question 5

Plant hormone: Ethylene

Answer 5

Function: Ripening of fruit, Abscission, Triple response

Location: Gas that’s everywhere

Question 6

Water rushing into seed to break dormancy

Answer 6

Imbibition

Question 7

Acid growth hypnosis: What separates polysaccharide?

Answer 7

Expansins