Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET2020BotanyBiodiversity and its ConservationActual

According to Robert May, the global species diversity is about

Options

  1. A20 million
  2. B50 million
  3. C7 million
  4. D1.5 million

Correct answer

C. 7 million

Step-by-step solution

For many taxonomic groups, inventories are more complete in temperature than in tropical countries. Estimates are made of their number in the tropics on the basis of temperature tropical species richness of some exhaustively studied’ groups like insects. According to various calculations by scientists, the total number of species in the world ranges from 20 to 50 million. Robert May, with his conservative and scientifically sound estimate, places the number of global species diversity at about 7 million.

Practice Biodiversity and its Conservation on Quantrex Academy →

More from Biodiversity and its Conservation

Match the following. 2019One of the following statements is incorrect with reference to biodiversity. Identify it. 2016One out of the following is not responsible for biodiversity loss. 2015The total number of biodiversity hotspots in the world are 2014Which of the following statements is not true? 2014Newly formed Biosphere Reserve of India (2013) is 2014India is one of the twelve megadiversity countries with of genetic resources of the world. 2013Assertion : Now-a-days, the biodiversity is declining with an accelerated rate. Reason : Exotic species are considered to be a major cause of extinction of species. 2013 Full Biodiversity and its Conservation list All NEET PYQs