Question

Industrial melanism as observed in peppered moth proves that

• A. The true black melanic forms arise by a recurring random mutation.
• B. The melanic form of the moth has no selective advantage over lighter form in industrial area.
• C. The lighter-form moth has no selective advantage either in polluted industrial area or non-polluted area.
• D. Melanism is a pollution-generated feature.

Answer 1

Answer: (A)

The true black melanic forms arise by a recurring random mutation.

Industrial melanism is one of the best examples of natural selection in action which refer to the development of dark coloured peppered moths in response to air pollution during industrial revolution in Great Britain. The dark coloured moths developed as a resultof random motation. Thus option A is the correct answer.