If You Expose a Plant to a Light That Shines

question 38

Multiple Choice

If you expose a plant to a light that shines on the right side of a plant, which of the following best describes why the plant grows toward the light?

• A) Light destroys auxin, and thus the shaded side grows faster.
• B) Auxin moves from the shaded side to the lighted side where it stimulates growth.
• C) Auxin moves from the lighted side to the shaded side where it stimulates growth.
• D) Light destroys auxin and thus the lighted side grows faster.
• E) Auxin moves from the shaded side to the lighted side where it inhibits growth.

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