Question detail
Which statement best describes the function of plant hormones?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Plant hormones (biology only)
Question
- A. They are only involved in flowering.
- B. They are chemicals that coordinate growth and responses.
- C. They only affect root development.
- D. They are produced in the roots only.
Answer
The correct option is They are chemicals that coordinate growth and responses.. This answer is correct because it matches the approved learning objective to describe plant hormones as chemicals that coordinate and control plant growth and responses in the subtopic Control and coordination.
Explanation
The correct option is They are chemicals that coordinate growth and responses.. They are chemicals that coordinate growth and responses. is correct because it directly supports the approved learning objective to describe plant hormones as chemicals that coordinate and control plant growth and responses. This belongs to the subtopic Control and coordination within Plant hormones (biology only), so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Control and coordination.
Common mistake
Misunderstanding the Role of Plant Hormones
Students often describe plant hormones merely as substances that promote growth, without acknowledging their role in coordinating various growth responses.
Emphasize that plant hormones are chemicals that not only promote growth but also coordinate and control various responses in plants, such as phototropism and gravitropism.
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