Questions

Autotroph: This term means organisms that synthesise their own food. Troph means feeding. Auto means self. The green plants which synthesise their own food are called autotrophs. All others which depend upon the plants directly or indirectly are called heterotrophs.

The process of extensive planting of trees or seeds in barren lands to increase forest cover is called as Afforestation.

West Bengal is the highest Jute producing state in India followed by Bihar and Assam in second and third place.

Gujarat is the largest Cotton producing state in India.

A pen name is nothing but a nick name used by the writer when publishing books instead of using their real names. 

Kamala Kanta was the pen name of Bankim Chandra Chatterjee who lived from 1838 - 1894. He was a Bengali author, poet who wrote Indian national anthem Vandemataram.