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    Campbell Biology Concepts
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    Exam 39: Plant Responses to Internal and External Signals
  5. Question
    The Hormone That Helps Plants Respond to Drought Is
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The Hormone That Helps Plants Respond to Drought Is

Question 66

Question 66

Multiple Choice

The hormone that helps plants respond to drought is


A) auxin.
B) gibberellin.
C) cytokinin.
D) ethylene.
E) abscisic acid.

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