Which of the following is a taxonomial aid prepared on the basis of similarities and dissimilarities?
A
Herbarium
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B
Biological Key
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C
Monograph
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D
Museum
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Solution
The correct option is B
Biological Key
Key is a taxonomical aid used for identification of plants and animals based on similarities and dissimilarities. They keys are based on the contrasting characters generally in a pair called couplet.