Zoology-Cancer
NEET Zoology Cancer MCQ Question
Type: MCQ-numerical-Medium-Class 12
If a person is advised to avoid exposure to tobacco smoke to prevent lung cancer, and they reduce their exposure by 80%, by what percentage could their risk of lung cancer decrease if tobacco smoke is their only risk factor?
A
80%
B
60%
C
40%
D
20%
Correct Answer
Option A
Detailed Explanation
The NCERT context indicates that individuals with susceptibility to certain cancers can reduce their risk by avoiding specific carcinogens. If tobacco smoke is the only risk factor, reducing exposure by 80% can theoretically decrease risk by the same percentage.
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