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Which one of the following includes all homologous organs?
(a)The wing of butterfly, wing of bird, wing (patagia) of bat.
(b)The fore limb of frog, wing of bird and fore limb of rabbit.
(c)The thoracic leg of cockroach, the hind leg of frog and fore leg of rabbit.
(d)The wing of bird, wing of bat and wing of "flying" lizard.

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Important Questions on Evolution
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Statement I: Organs which have similar structure and origin but perform different functions are called analogous organs.
Statement II : The sudden appearance of some vestigial organs in a better developed condition is called atavism
The correct option among the following is

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Match List with List.
List | List | ||
(a) | Adaptive radiation | (i) | Selection of resistant varieties due to excessive use of herbicides and pesticides |
(b) | Convergent evolution | (ii) | Bones of forelimbs in Man and Whale |
(c) | Divergent evolution | (iii) | Wings of Butterfly and Bird |
(d) | Evolution by anthropogenic action | (iv) | Darwin Finches |

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Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action?
(a) Darwin’s Finches of Galapagos islands.
(b) Herbicide resistant weeds.
(c) Drug resistant eukaryotes.
(d) Man-created breeds of domesticated animals like dogs.

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Assertion (A): Homologous characters are originated from a different ancestor
Reason (R): Wings of sparrow and finches are homologous

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