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…

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:

Wings of butterfly and birds look alike and are the results of $\displaystyle \_\_\_$(i)$\displaystyle \_\_\_$, evolution.

Miller showed that $\displaystyle \mathrm{CH}_4, \mathrm{H}_2, \mathrm{NH}_3$ and $\displaystyle \_\_\_$(i)$\displaystyle \_\_\_$, when exposed to electric discharge in a flask resulted in formation of $\displaystyle \_\_\_$(ii)$\displaystyle \_\_\_$.

Vermiform appendix is a $\displaystyle \_\_\_$(i)$\displaystyle \_\_\_$ organ and an $\displaystyle \_\_\_$(ii)$\displaystyle \_\_\_$ evidence of evolution.

According to Darwin evolution took place due to $\displaystyle \_\_\_$(i)$\displaystyle \_\_\_$ and $\displaystyle \_\_\_$(ii)$\displaystyle \_\_\_$ of the fittest.

Options :