Question detail
What happens to the layers of dead cells around plant stems over time?
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 grow thicker and stronger
- B. They can fall off
- C. They turn into new living cells
- D. They become part of the root system
Answer
The correct option is They can fall off because it matches the approved biology in Plant defence responses within Plant disease (biology only).
Explanation
The correct option is They can fall off because it stays accurate for Plant defence responses in Plant disease (biology only). It matches the approved learning objective about explain how layers of dead cells around stems, such as bark on trees, protect plants and can fall off and avoids the oversimplified distractors.
Common mistake
Misunderstanding Bark Protection
Students often think that the primary function of bark is to provide nutrients to the plant rather than to protect it.
Emphasize that bark serves as a protective layer against physical damage and pathogens, and clarify that it can also fall off without harming the plant.
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