Zigya Logo

Chapter Chosen


Book Chosen


Subject Chosen


Book Store

Download books and chapters from book store.
Currently only available for.
CBSE Gujarat Board Haryana Board

Previous Year Papers

Download the PDF Question Papers Free for off line practice and view the Solutions online.
Currently only available for.
Class 10 Class 12
Arctic and Antarctic fishes have unsaturated fatty acids. Why ?

Unsatured fatty acids help to maintain the fluid nature of the cell mebrane and prevent it from freezing in the cold climate. They also provide insulation from the cold. The fluid nature of the cell membrane is very important for various life processes. Therefore, in order to keep their membranes flexible and insulation the Artic and Antarctic fishes have unstaurated fatty acids.

What is the general formula of carbohydrates ?

The carbohydrate has a general formula - CnH2nOn Or (CH2O)n.

What is the percentage of nucleic acids in cells ?

5 - 7 percent

Name one monosaccharide which provides energy ?


Give the names of two monosaccharide sugars.

Fructose and glucose are two monosaccharides

What are major elements of a cell ?

Carbon, hydrogen, oxygen and nitrogen are the major elements of a cell.