Evolution Question 58

58. Which one of the following describes correctly the homologous structures?

[2003]

(a) Organs appearing only in embryonic stage and disappearing later in the adult

(b) Organs with anatomical similarities, but performing different functions

(c) Organs with anatomical dissimilarities, but performing same function

(d) Organs that have no function now, but had an important function in ancestors

Show Answer

Answer : b

Hints & Solution

(b) Those organs which have a common origin and are built on the same anatomical pattern, but perform different functions and are modified accordingly.