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Question : 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. (A)Wings of butterfly and bird look alike and are the results of (i), evolution. (B) Miller showed that CH_(4), H_(2), NH_(3), and (1) when exposed to electric discharge in a flask resulted in formation of (ii) (C) Veriform appendix is a (i) organ and an (ii) evidence of evolution. (D) According to Darwin evolution took place due to (i) and (ii) of the fittest.

Answer»

(A)-(i) convergent, (D)-(i) small variations, (II) survival
(A)-(i) covergent, (B)-(i) oxygen, (ii) nucleosides
(B)-(i) water vapour, (ii) amino acids, (C)-(i) homologous, (ii) anatomical
(C)-(i) VESTIGIAL, (ii) anatomical , (D)-(i) MUTATIONS, (ii) multiplication.

Answer :A


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