Hormones

Which hormone promotes seed germination?

• abscisic acid

• ethylene

• gibberellin

• auxin

Breaks seed dormancy and promotes growth (can make fruit bigger)

• Auxin

• Gibberellin

• Cytokinins

• Ethylene

Helps fruit ripen

• Auxin

• Gibberellin

• Cytokinins

• Ethylene

Stimulates cell division

• abscisic acid

• auxin

• cytokinins

• gibberellin

• ethylene

Auxins are responsible for _____________ of a plant

• Colour change

• Watering

• Phototropism

• Growth

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-7

Which hormone promotes seed germination?

• abscisic acid

• ethylene

• gibberellin

• auxin

Stimulates dramatic stem growth

• abscisic acid

• auxin

• cytokinins

• gibberellin

• ethylene

Causes the enlargement of fruits

• abscisic acid

• auxin

• cytokinins

• gibberellin

• ethylene

What is the role of auxin that causes a plant to bend towards light?

• The concentration of auxin in the plant increases when there is light.

• Auxin causes uniform growth on every stem.

• Auxin causes cells that are on the dark side to grow faster.

• Auxin causes the increase in the number of plant cells.

I want to stop my plant from growing so tall. I want it to grow from the sides. Which hormone should I STOP using?

• Auxins

• Cytokinins

• Ethylene

• Abscisic acid

• Gibberellins