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Question

Biological concept of species proposed by


A
Linnaeus
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B
Mayr
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C
John Ray
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D
Augustin Pyramus de Candolle
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Solution

The correct option is B Mayr
Linnaeus is considered father of taxonomy and was first to use the binomial nomenclature for organisms. He proposed natural system of classification for living organism and divide them into plant and animal kingdom; option A is incorrect. The biological species concept, as first proposed by Mayr, groups the members of the same species organisms that can potentially interbreed to produce fertile offspring. It is the most accepted concept due to its scientific criteria of classification that groups the individuals on the basis of their reproductive isolation which in turn maintain the morphological differences among the reproductively isolated individuals of the same habitat; option B is correct. John Ray proposed the typological species which is defined as a group of organisms that are morphologically similar irrespective of their breeding compatibility. It determines species as a static entity which can interbreed within their limit of variations and hence, is also termed as static concept; option C is incorrect. Candolle pioneered to develop uniform botanical nomenclature and proposed Paris Code/de Candolle rules which were accepted after deliberation of First International Botanical Congress, Paris; option D is incorrect. Thus, the correct answer is option B.

Biology

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