ZoBot Unit 2 Test

What is the hard outside of the seed called?

• seed coat

• embryo

• food storage

• seed jacket

What part of the seed develops into a plant?

• Embryo

• Seed Coat

• Roots

• Food Storage

What is another word for ROOT?

• Spread

• Radicle

• Cotyledon

• Embryo

The first leaves of a new plant are called the _________________.

• Epicotyl

• Radicle

• Babies

• Stem

Phototropism is

• The plant response to water

• The plant response to light

• The plant response to gravity

• The plant response to soil

Where is auxin formed

• Tip of stem and root

• Leaves

• Embryo

• All

Promotes seed dormancy

• abscisic acid

• auxin

• cytokinins

• gibberellin

• ethylene

Stimulates dramatic stem growth

• 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

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.