The contrasting characteristics generally in a pair used for identification of animals in Taxonomic Key are referred to as :

(A)

Lead

(B)

Couplet

(C)

Doublet

(D)

Alternate

NEET - Medical UG-2019 Easy

Answer & Solution:

The correct answer is (b) couplet

A taxonomic key is a simple tool used to identify a specific object. A taxonomic key is one of the most useful tools available to scientists trying to identify an unknown organism.DICHOTOMOUS KEYS allow the user to determine the identity of items using a sequence of alternative choices. Dichotomous keys always give two, mutually exclusive choices in parallel statements. The pair of statements is referred to as a couplet and each 1/2 of a couplet is a lead. At each couplet of a dichotomous key the user is presented with two choices about a specific character present in the group of organisms, a specific character state is described for each lead.

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The contrasting characteristics generally in a pair used for identification of animals in Taxonomic Key are referred to as :

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