Given below are four statements (a - d) each with one or two blanks. Select the option which correctly fills up the blanks in any two of these statements.
(a) Wings of butterfly and birds look alike and are the results of (i) evolution.
(b) Vermiform appendix is a (i) organ and an (ii) evidence of evolution.
(c) Archaeopteryx shows (i) link between two different groups of organisms.
(d) According to Darwin, evolution took place due to (i) and (ii) of the fittest.

(d)- (i) mutations and (ii) survival

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(a)- (i) divergent, (b)- (i) rudimentary and (ii) anatomical

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(b)- (i) vestigial and (ii) anatomical, (c)- (i) missing

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(c)- (i) connecting, (d)- (i) small variations and (ii) multiplication

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Solution

The correct option is C (b)- (i) vestigial and (ii) anatomical, (c)- (i) missing
Vermiform appendix is an anatomical vestigial hollow tube that is closed at one end and is attached at the other end to the caecum. Evolutionary transitions are demonstrated by so-called missing links- fossils like Archaeopteryx. Wings of butterfly and birds look alike and are the results of convergent evolution. According to Darwin, evolution took place due to natural selection and survival of the fittest.

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Similar questions

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 are the results of(i)evolution.

(B) Miller showed that CH4, H2, NH3 and (i),whenexposed to electric discharge in a flask resulted in formation of (ii)

(D) According to Darwin evolution took place due to (i) and (ii)of the fittest.

C H_{4}, H_{2}, N H_{3}

C H_{4}, H_{2}, N H_{3}

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