Question

$S{O}_2$ pollution affects

• A. Mitochondria
• B. Chloroplasts
• C. Golgi bodies
• D. Vacuoles

Answer 1

The correct option is B Chloroplasts

Plants are sensitive to sulphur dioxide. The gaseous exposure can be related to the smog in the atmosphere which contains sulphur dioxide and nitrous oxides. Sulphur dioxide inhibits photosynthesis by disrupting mechanism. Gaseous Sulphur dioxide enters the plant through stomatal opening causing swelling of thylakoids within the chloroplast.

Hence, the correct answer is 'Chloroplasts'.