NEET 2020 · BiologyLatitudinal gradientPrevious Year Question
Which of the following regions of the globe is exhibits highest species diversity?
Answer: (B) Amazon forests. Answer: (B) Amazon forests (answer per official NEET key).
- A.Himalayas
- B.Amazon forests✓
- C.Western Ghats of India
- D.Madagascar
Correct Answer
(B) Amazon forests
Solution & Explanation
Answer: (B) Amazon forests (answer per official NEET key). Solution: Following the latitudinal gradient, tropical regions harbour the most species, and NCERT names the largely tropical Amazonian rain forest as having the greatest biodiversity on earth. The Himalayas, Western Ghats and Madagascar are biodiversity-rich hotspots but do not exceed the Amazon in overall species diversity. NCERT: NCERT Class XII Biology, Ch 13 Biodiversity and Conservation, p.219, lines 35-37: "The largely tropical Amazonian rain forest in South America has the greatest biodiversity on earth- it is home to more than 40,000 species of plants..."
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