Question

Smoking and .................. add to the risk of catching an allergy.

• A. pneumonia
• B. diabetes
• C. cancer
• D. pollution

Hint:

Identify pairs where one is behavior (smoking) and the other is an environmental trigger.

Answer 1

The Correct Option is D

Step 1: Health knowledge.
Air pollution plus smoking aggravate allergic conditions.

Step 2: Remove diseases.
Pneumonia/diabetes/cancer are illnesses, not co-risk environmental factors here.

Step 3: Conclusion.
Hence (D) pollution.