AP Bio: Plant Hormones 15Q

Auxins are responsible for _____________ of a plant

• Colour change

• Watering

• Phototropism

• Growth

Tags

NGSS.MS-LS1-5

Phototropism is

• The plant response to water

• The plant response to light

• The plant response to gravity

• The plant response to soil

Which hormone promotes seed germination?

• abscisic acid

• ethylene

• gibberellin

• auxin

Promotes seed dormancy

• abscisic acid

• auxin

• cytokinins

• gibberellin

• ethylene

What happens when you place an over ripe banana in a fruit bowl with other fruit?

• Nothing will happen

• The other fruit will grow in size

• Ethylene gas will cause the fruit to grow mold

• Ethylene gas will cause the other fruit to ripen

Tags

NGSS.MS-LS1-5

Which plant hormone is a gas?

• auxin
• gibberellin
• ethylene
• cytokinin

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.

A period of a plant when is does NOT grow

• spore
• stamen
• nutrient
• dormancy

Stimulates cell division and

lateral (<---->) growth

• abscisic acid

• auxin

• cytokinins

• gibberellin

• ethylene

Active transport is the movement of substances

• from an area of lower concentration to higher concentration

• from an area of lower concentration to lower concentration

• from an area of higher concentration to lower concentration

• from an area of higher concentration to higher concentration