Question detail
Which of the following statements about chemical plant defences is true?
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. They are only effective against insects.
- B. They can include the production of toxins.
- C. They are not important for plant survival.
- D. They only occur in flowering plants.
Answer
The correct option is They can include the production of toxins. because it matches the approved biology in Plant defence responses within Plant disease (biology only).
Explanation
The correct option is They can include the production of toxins. because it stays accurate for Plant defence responses in Plant disease (biology only). It matches the approved learning objective about describe chemical plant defence responses and avoids the oversimplified distractors.
Common mistake
Misunderstanding Chemical Defences
Students often confuse chemical plant defence responses with physical adaptations, failing to recognize that chemical responses involve the production of substances that deter pests.
To fix this, students should focus on the specific types of chemicals plants produce, such as antibacterial compounds and toxins, and understand how these differ from physical barriers like thorns or waxy cuticles.
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