NEET BIOLOGY

Detailed explanation-1: -The organs that perform different functions but have the same basic structure are known as homologous organs. For example, forelimbs of humans and lizards are homologous.

Detailed explanation-2: -Homologous structures are similar physical features in organisms that share a common ancestor, but the features serve completely different functions. An example of homologous structures are the limbs of humans, cats, whales, and bats.

Detailed explanation-3: -Homologous structures are structures that are similar in related organisms because they were inherited from a common ancestor. These structures may or may not hav e the same function in the descendants. Figure below shows the hands of several different mammals. They all have the same basic pattern of bones.

Detailed explanation-4: -Structures with similar anatomy, morphology, embryology and genetics but dissimilar functions are known as homologous structures. Structures that are superficially similar but anatomical dissimilar doing the same function are known as analogous structures.

Detailed explanation-5: -Answer: (2) Homologous organs are defined as the organs of different animals that are having a similar structure but differ in their functions. Example – Forelimbs of frog, man, and the flippers of the whale. The structure of all these animals are the same but the functions are different.