
Industrial melanism as observed in peppered moth proves that
the melanic form of the moth has no selective advantage over lighter form in industrial area
the lighter-form moth has no selective advantage either in polluted industrial area or non-polluted area
melanism is a pollution-generated feature
the true black melanic forms arose by a recurring random mutation


Important Questions on Evolution




Given below are four statements (A-D) each with one or two blanks. Select the option which correctly fills up the blanks in two statements.
Statements :-
(A) Wings of butterfly and birds look alike and result of _____ (i) _____ evolution.
(B) Miller showed that CH4, H2, NH3 and _____ (i) _____, when exposed to electric dischargein a flask resulted in formation of _____ (i) _____.
(C) Vermiform appendix is a _____ (i) _____ organ and an _____ (i) _____ evidence of evolution.
(D) According to Darwin, evolution took place due to _____ (i) _____, and _____ (ii) _____ of the fittest.



What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors?
