Plant Response To The Environment

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How plants interact and react to environmental changes. This section has a total of 6 questions.

Which of the following are plant growth hormones? *

2 points

Prolactin and abscisic acid

Abscisic acid and glucagon

Gibberellins and abscisic acid

ADH and gibberellins

One possible conclusion drawn from the results shown above is that the...

2 points

gibberellin concentration has no effect on the germination of the seeds

highest percentage of seed germination occurs at a gibberellin concentration of 1500 mg/L

highest percentage of seed germination occurs at a gibberellin concentration of 1000 mg/L

lowest percentage of seed germination occurs at a gibberellin concentration of 1000 mg/L

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A gardener removes the apical buds from a rose bush in her garden regularly. As a result the rose bush will... *

2 points

produce more lateral branches

grow taller

remain the same size

produce fewer roses

Which ONE of the following plant hormones is responsible for the germination of seeds? *

2 points

Growth Hormone

Abscisic Acid

Gibberellin

Auxin

Which plant hormone promotes seed dormancy? *

2 points

Gibberellin

Auxin

Abscisic acid

Growth hormone

Which ONE of the following is a function of gibberellins? *

2 points

Apical growth

Stimulation of seed germination

Inhibition of side branches

Dropping of leaves in winter

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