The plants of tobacco and tomato are sensitive to:
Correct answer: C. Ozone
- A. Ethylene
- B. N2O
- C. Ozone
- D. PAN
Explanation
Ozone is a major phytotoxic air pollutant, and tobacco and tomato are commonly used as sensitive plant indicators of ozone injury. PAN can also injure vegetation, but ozone is the expected answer for this pair.
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