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Read the statements given below and identify the suitable option:
(i) Eye of octopus and mammals are homologous.
(ii) Sweet potato and potato are analogous.
(iii) Thorns of Bougainvillea and tendrils of Cucurbita are homologus.
(a)(i) is true and (ii) is false
(b)(ii) is true and (iii) is false
(c)(i) and (ii) both are true
(d)(i) is false and (ii) and (iii) are true

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

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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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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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