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
What are acidic amino acids ?

Accidic amino acids are polar and negatively charged at physiological pHThey have a second carboxyl group. For eg glutamic and aspartic acid.

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.

Name one monosaccharide which provides energy ?

Glucose

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

Do a good deed today
Refer a friend to Zigya