9. Which of the following best describes tropism? a. Tropism is the response of a plant to grow toward or away from a stimulus. b. Tropism is the mechanism by which a plant increases its cell division and growth. c. Tropism is the response of a plant to external stimuli via its nervous system. d. Tropism is the movement of a plant toward a more hospitable environment.
9. Which of the following best describes tropism?
a. Tropism is the response of a plant to grow toward or away from a
stimulus.
b. Tropism is the mechanism by which a plant increases its cell
division and growth.
c. Tropism is the response of a plant to external stimuli via its
nervous system.
d. Tropism is the movement of a plant toward a more hospitable
environment.
10. What happens when a stem is positively tropic to a certain stimulus?
a. Auxins will respond by increasing the growth rate of the side
facing that stimulus.
b. The stem will respond by growing towards that stimulus.
c. The stem will grow and bend away from that stimulus.
d. The stem will respond by accumulating auxins in the side facing
that stimulus.
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