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Question

Which of the following statements is wrong? 


  1. Commensalism is a relationship between two organisms in which one organism benefits and the other is unaffected. 

  2. Extinct species are included in the Red Data Book

  3. Gene bank is an ex-situ method of conservation

  4. Soil formation is an ecological service


Solution

The correct option is B

Extinct species are included in the Red Data Book


IUCN (International Union for Conservation of Nature) is an organisation for environmental protection, operating in different countries. Under the aegis of IUCN, a list of endangered plants and animals is prepared every year. This is known as the Red Data Book. Extinct species are not included in Red Data Book.

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