Read the following statements:
(i) Birbal Sahni is the father of Indian paleobotany.
(ii) Sweet potato (root modification) and potato (stem modification) are examples of analogous organs.
(iii) Convergent evolution is seen between lemur and spotted cuscus.
(iv) The first organisms that invaded land were insects.
(v) Jawless fish evolved around 500 million years ago.
Which of the above statements are incorrect?
Important Questions on Evolution
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
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 |
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.
Assertion (A): Homologous characters are originated from a different ancestor
Reason (R): Wings of sparrow and finches are homologous
