on history

What is Government? Basic Values and Principles of Democracy Principles of Democracy Other Nations and World Affairs Roles of the Citize..

Civic Life, Politics and Government Foundations of the Political System Principles of Democracy Other Nations and World Affairs Roles of the Citize..

Civic Life, Politics and Government Foundations of the Political System Principles of Democracy Other Nations and World Affairs Roles of the Citize..

Civic Life, Politics and Government Foundations of the Political System Principles of Democracy Other Nations and World Affairs Roles of the Citize..

The process of vaccination was first developed by Dr. Edward Jenner in 1796 A.D. The word 'Vaccine' who derived by him from the Latin word 'Vacca' meaning cow. He found out that the cow once attacked by a milder disease, namely cow pox, were immune to the disease small pox. This English physicia..

Miller, Skoog (1955) observed that 2 substances were effective in enhancing the growth of mature plant cells and tissues in culture. The two substances were coconut milk and degraded samples of yeast DNA. The active ingredient in both was found to be - furfuryl amino purine a modified form of adeni..

In the last sixty years, a large number of growth regulators have been isolated from plants. The first indication of their existence was given by Darwin (1880) Discovery of Auxins Experiments of Boysen-Jensen Went (1928) from Holland demonstrated the existence of a substance in the tip of Oat (Aven..

In the beginning of the 17 t h century, scientists started realising that some form of matter can exist in a form that is similar to air. The Belgian Chemist Jan Baptista van Helmont coined the word Gas by altering the Greek word "Chaos" which means "Space". This word explains the ability o..

History of Classification - Classification of living organisms is probably as old as human civilization. Organisms have been grouped on different basis at different periods of time. The earliest classification was probably on the basis of utility to man. Plants and animals were classified..

Classification of living organisms is probably as old as human civilization. Organisms have been grouped on different basis at different periods of time. The earliest classification was probably on the basis of utility to man. Plants and animals were classified on different basis such as edible and..