Plant Hormones

Question 1

what is the role of plant hormones

Answer 1

plant hormones make sure they grow in the Right direction

Question 2

what is a positive tropism

Answer 2

the plant grows towards the stimulus

Question 3

what is a negative tropism

Answer 3

the plant grows away from the stimulus

Question 4

where is auxin produced in the shoot

Answer 4

near the tips of shoots and roots

Question 5

if the light is shining on the side of the shoot where does the auxin move to

Answer 5

accumulates on the side thats in the shade than the side thats in the light

this makes the cell grow faster on the shaded side so the shoot bends towards the light

Question 6

what is phototropism

Answer 6

when the plant grows towards light

Question 7

what is gravitropism

Answer 7

when the plant grows towards gravity

Question 8

what uses does Auxins have

Answer 8

killing weeds

growing from cuttings with rooting powder

growing cells in tissue culture

Question 9

what uses does gibberellin have

Answer 9

germination of seeds

can force a seed to germinate earlier than it should

and

encourage plants to flower

and

make fruit grow larger

Question 10

what uses does ethene have

Answer 10

controls cell division and the ripening of fruits.

bananas are normally harvested before they are ripe so they can be transported long distances and stored until they are needed

ethene is used to trigger the bananas to ripen just before they are sold in the uk