Biodiversity Levels and Hierarchies — NEET Biology
📚 Practice ConceptIn our biosphere immense diversity (or heterogeneity) exists not only at the species level but at all levels of biological organisation ranging from macromolecules within cells to biomes. Biodiversity is the term popularised by the sociobiologist Edward Wilson to describe the
Assertion (A): The term biodiversity encompasses multiple levels of biological organization. Reason (R): Biodiversity is derived from ‘bio’ meaning life and ‘diversity’ meaning variety.
View solution & NCERT explanation
Correct answer: B — If both assertion and reason are true but reason is not the correct explanation of the assertion.
NCERT states “Biodiversity is the term popularised by the sociobiologist Edward Wilson to describe the combined diversity at all the levels of biological organisation.” The Assertion is true - biodiversity does encompass multiple levels. The Reason is also true - the etymology is bio (life) + diversity (variety). However, the etymology doesn’t explain WHY biodiversity encompasses multiple levels; it just explains the word’s construction.
What does NCERT say about our biosphere immense diversity?
Has this concept appeared in NEET?
Which chapter is this from?
Through deep analysis of NEET and NTA, 176 of the 180 ReNEET 2026 (June 21) questions were already in the MedicNEET question bank before the exam.
176/180MedicNEET's Biology question bank is built from the same NCERT lines NTA picks repeatedly. Not random MCQs — questions crafted exactly like NTA crafts them.