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After a person quits smoking, the lungs can heal to a certain extent, because of ________ .
Correct Answer: (a)
Official keyThis question appeared in the KPSC Prelims 2020 examination (GS-II). It is Question 30 out of 200 questions in this paper.
This question was part of the KPSC Prelims 2020 (GS-II). The KPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all KPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.