Class 12 · Biodiversity and Conservation

Importance of Biodiversity for Ecosystems — NEET Biology

🔥 Predicted for NEET 2027
📖 NCERT Source

Although, we may not understand completely how species richness contributes to the well-being of an ecosystem, we know enough to realise that rich biodiversity is not only essential for ecosystem health but imperative for the very survival of the human race on this planet. At a time when we are losing species at an alarming pace, one might ask– Does it really matter to us if a few species become extinct? Would Western Ghats ecosystems be less functional if one of its tree frog species is lost forever? How is our quality of life affected if, say, instead of 20,000 we have only 15,000 species of ants on earth?

NCERT Biology · Class 12 · Chapter 13 · Paragraph 20
Why This May Be Tested in NEET 2027

Adjacent to a frequently-asked paragraph in the same chapter.

Practice This Concept
QuestionPredicted for NEET 2027

Why is the extinction of a tree frog in the Western Ghats concerning?

📖 Solution & NCERT Explanation
View solution & NCERT explanation

Correct answer: C Its loss can reduce ecosystem functioning

Biodiversity contributes to ecosystem stability and productivity, so the extinction of even a single species may have cascading effects.

❓ Frequently Asked Questions
What does NCERT say about Although we may not?
Although, we may not understand completely how species richness contributes to the well-being of an ecosystem, we know enough to realise that rich biodiversity is not only essential for ecosystem health but imperative for the very survival of the human race on this planet. At a time when we are losing species at an alarming pace, one might ask– Does it really matter to us if a few species become extinct?
Has this concept appeared in NEET?
High probability for NEET 2027. Adjacent to a frequently-asked paragraph in the same chapter.
Which chapter is this from?
Biodiversity and Conservation, Class 12 NCERT Biology.

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.

176/180
of the ReNEET 2026 paper (all subjects) was already in the MedicNEET question bank

MedicNEET's Biology question bank is built from the same NCERT lines NTA picks repeatedly. Not random MCQs — questions crafted exactly like NTA crafts them.

176 of 180 ReNEET 2026 questions traced to MedicNEET17,000+ Biology questionsHindi + English
Free to start · Hindi + English · 43,000+ questions · NEET 2026 pattern
Related Concepts from Biodiversity and Conservation
📘Practice all 39 NEET PYQs from Biodiversity and Conservation🔍See full Biodiversity and Conservation PYQ Analysis