Plant Hormones and uses

Question 1

describe a benefit of ethene (ethylene)

Accepted Answer

controlled fruit ripening

Question 2

describe a benefit of giberellins

Accepted Answer

seedless fruits

Question 3

Which hormone triggers? The tip of a plant is pinched off to promote the plant to grow bushier.

Accepted Answer

auxin

Question 4

Which hormone triggers? It's autumn, & leaves are turning red and gold.

Accepted Answer

ethylene

Question 5

Which hormone triggers? A seed starts germinating in the spring.

Accepted Answer

gibberellin

Question 6

This is showing.....

Accepted Answer

positive phototropism

Question 7

Which hormone triggers? A houseplant on the windowsill leans its stems toward the window.

Accepted Answer

auxin

Question 8

Which hormone triggers? It's summer, & a bud opens to reveal a beautiful rose.

Accepted Answer

gibberellin

Question 9

Which hormone triggers? roots to form in when using rooting powder

Accepted Answer

auxin

Question 10

roots grow down, this is.....

Accepted Answer

positive gravitropism

Question 11

which hormone is used as a selective weedkiller?

Accepted Answer

Auxin

Question 12

Which hormone is used in rooting powders?

Accepted Answer

auxin

Question 13

describe the benefits of auxins

Accepted Answer

taking plant cuttings (clones), higher crop yield

Question 14

Which hormone triggers? It's autumn & apples are ripening on the trees.

Accepted Answer

ethylene

Question 15

selective weedkiller work by ....

Accepted Answer

fast growth in broad leaved plants

Questions 15