Leaf curling is caused by:
Correct answer: A. SO2
- A. SO2
- B. O2
- C. H2S
- D. CO
Explanation
Sulfur dioxide damages leaf tissues and may produce curling, chlorosis and necrosis. Oxygen and carbon monoxide are not normally identified with this characteristic symptom in standard air-pollution questions.
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Practise Forest Ecology
837 free Forest Ecology MCQs from Forestry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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