2019 Odisha The Living WorldTaxonomical aids - key Easy Question 2 of 2 in Taxonomical aids - key

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

The answer is B.

Solution

Concept Taxonomical aids - key

Taxonomical aids - key in past papers

2 questions from this chapter have appeared across 2 exam years.