NEET 2020 · BiologyPrevious Year Question
According to Robert May, the global species diversity is about: (NEET-2020)
Answer: (B) 7 million. Answer: (B) 7 million.
- A.50 million
- B.7 million✓
- C.1.5 million
- D.20 million
Correct Answer
(B) 7 million
Solution & Explanation
Answer: (B) 7 million. Solution: While about 1.7–1.8 million species have been actually described, Robert May's estimate places the GLOBAL species diversity at about 7 million. (Note: this paper carried no printed Biology answer key; answer per the official/canonical key.) NCERT Reference: Ch 1 The Living World, p.4, line 25 — "The number of species that are known and described range between 1.7-1.8 million. This refers to biodiversity..."; Robert May's ~7 million global estimate (NCERT Biodiversity).
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