Course

Introductory Biology

Study Pack

Set 28 Flowering Plants Plant Behavior

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Question 1

(Multiple Choice)

Free
You leave for winter vacation and forget to water your plants for two whole weeks! You also turned down the heat and closed the blinds.What hormone is most likely to be produced in response to these conditions?

A)Gibberellins
B)Abscisic acid
C)Cytokinins
D)Auxins

Answer

Question 2

(Multiple Choice)

Free
You isolate a plant that expresses a phytochrome mutant that is always in the Pfr form.You expect these plants will germinate:

A)not at all.
B)regardless of the light conditions.
C)later than normal plants.
D)similarly to normal plants.

Answer

Question 3

(Multiple Choice)

Free
Which one of the following is considered to be an important plant hormone that helps plants cope with environmental stresses?

A)Auxins
B)Prostaglandins
C)Ethylene
D)Abscisic acid
E)Cytokinins

Answer