SSC MTS EXAM

Detailed explanation-1: -A dichotomous key is an important scientific tool, used to identify different organisms, based the organism’s observable traits. Dichotomous keys consist of a series of statements with two choices in each step that will lead users to the correct identification.

Detailed explanation-2: -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.

Detailed explanation-3: -A dichotomous key breaks down identification into two mutually exclusive options at each step. To use the key, the scientist starts at the top, or beginning, and sees which of the two options apply to their organism. Based on their answer, the key directs them to a new question.

Detailed explanation-4: -The dichotomous key is the method employed for identifying unknown organisms. The evolution of keys has been the result of work by taxonomists who study the characteristics of organisms at some taxonomic level (= category) and often develop keys for their identification.