Zoology MCQs for NEET — Practice Questions with Answers

The Biological Species Concept (BSC) defines species based on reproductive isolation, meaning that species are groups of actually or potentially interbreeding natural populations which are reproductively isolated from other such groups. Hybridization, which refers to the interbreeding between two different species, does not align with the concept of reproductive isolation that is central to the BSC.

Homologous organs are those that share a common origin or ancestry, even if their functions and appearances may differ. For example, the wings of bats and the arms of humans are homologous structures because they are derived from the same ancestral limb, despite their different functions and appearances.

The correct sequence of cultural evolution from Cro-Magnon to modern man is: Palaeolithic – Mesolithic – Neolithic – Bronze – Iron – Atomic. This sequence represents the gradual development of human culture and technology over time.

Homo erectus is considered one of the direct ancestors of modern humans (Homo sapiens). This species exhibited several human-like features and behaviors, which indicate its critical role in human evolution.