Question

Sulphur dioxide affects

• A. Cell wall
• B. Plasmodesmata
• C. All membrane systems
• D. Nucleus

Answer 1

The correct option is C All membrane systems

Sulphur dioxide is a common air pollutant. It is known to affect the metabolic activities of the cells. One general effect is to act as an oxidizing agent and disrupt the transport system associated with the membranes. In animals, it causes inflammation of the mucous membranes.

Hence, the correct answer is 'All membrane systems'.