Questions

A RNA copy of a DNA gene is called as messenger RNA or mRNA. mRna is used in translation because information is translated from one language (nucleotides) into another (amino acids).

Hence, mRNA is used to transfer genetic information by a cell.

Allotropes are different structural modifications of an element, that is, each of two or more different physical forms in which an element can exist.

Carbon is capable of forming many allotropes due to its valency. Well-known forms of carbon include charcoal, diamond, graphite, buckminsterfullerene and graphene.

Hence, Ethylene is not an allotrope of Carbon.

Digboi, in Assam is where the oldest oil refinery in India. It was build in 1901.

The book Mother India (1927) is a polemical book by American historian Katherine Mayo which attacks Indian society, religion and culture.

Squirrels build their nests in summer season as the sticks with what they bulit are dried and are less weight and the nests will be used for the rainy season.