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Mitosis - class-XI
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Generally, decline in hearing power begins after the age of
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A
40 years
💡 Explanation:
Ageing is the process where there is a continuous decline in the metabolism of the body. The hearing power also declines after the age of 40 years. Presbycusis is the term which is generally used for hearing impairment due to old age. It is mainly caused due to degeneration of the cochlea or associated structures of the inner ear or auditory nerves.
So, the correct answer is option C.