Key is based on set of contrasting character known as……………….

Key is based on contrasting character is known as.....Each character of couplet is called as........

Which type of key provide pairs of contrasting character used for identification is……….

Each character of couplet is known as……………..

The salient character of Arthropoda is…………… .

Name the following . Taxonimical aid used for classification of plants and animals which is based on contrasting charcters.

What is the set of natural numbers together with zero known as?

Give salient characters of moss.

Complete the Analogy. Seconday sexual characters in males: Testosterone :: Secondary sexual characters in females: ………… .

Answer the following: Pooja observed a plant of pea and maize. She differentiated them based on the following characters: Types of roots, venation in the leaves and number of cotyledons in seed.Make a table and write the characters of these plants based on the given points:

Give trend in iconic character of halide.