Question detail
Which of the following is a mechanical defense adaptation in plants?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Plant disease (biology only)
Question
- A. Production of toxins
- B. Thorns and spines
- C. Chemical repellents
- D. Growth of larger leaves
Answer
The correct option is Thorns and spines because it matches the approved biology in Plant defence responses within Plant disease (biology only).
Explanation
The correct option is Thorns and spines because it stays accurate for Plant defence responses in Plant disease (biology only). It matches the approved learning objective about explain how thorns and hairs deter animals and avoids the oversimplified distractors.
Common mistake
Misunderstanding the Function of Thorns
Students often think that thorns are only for aesthetic purposes and do not understand their role in deterring animals.
Emphasize that thorns serve as a physical barrier that can injure or discomfort animals, thereby reducing the likelihood of herbivory.
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