BIOMOLECULES

  There is vast diversity of living organisms. The chemical compositon and metabolic reactions of the organisms appear to be similar. The composition of living tissues and non-living matter also appear to be similar in qualitative analysis.Closer analysis reveals that the relative abundance of carbon, hydrogen and oxygen is higher in living system.  All forms … Read more

Properties of polyvinyl chloride

Properties of polyvinyl chloride What is Polyvinyl Chloride (PVC), and What is it Used For? Polyvinyl Chloride (PVC) is one of the most commonly used thermoplastic polymers in the world (next to only a few more widely used plastics like PET and PP). It is a naturally white and very brittle (prior to the additions of plasticizers) plastic. PVC has been around longer … Read more

United Nations and its specialized agencies

  The United Nations (UN) is an intergovernmental organization established on 24 October 1945 to promote international cooperation. It was founded to replace the League of Nations following World War II and to prevent another conflict. When it was founded, the UN had 51 Member States; there are now 193. Most nations are members of the UN and send diplomats to the headquarters to hold … Read more

Properties of polythene

Properties of polythene Polyethylene is a thermoplastic polymer with variable crystalline structure and an extremely large range of applications depending on the particular type. It is one of the most widely produced plastics in the world (tens of millions of tons are produced worldwide each year). The commercial process (the Ziegler-Natta catalysts) that made PE … Read more

Fundamental Rights and Duties

The Indian constitution originally provided 7 categories of fundamental rights. But one fundamental right, that to property was removed from the list of fundamental rights by 44th amendment. Right to property now is an ordinary legal right. Thus there are now 6 categories of fundamental rights. These are:  (1) Right to equality (Arts. 14-18). In … Read more

Election Commission of India

The Election Commission of India is an autonomous, quasi-judiciary constitutional body of India.It was established on 25 January 1950 under Article 324 of the Constitution of India. Originally the commission had only a Chief Election Commissioner. The commission presently consists of a Chief Election Commissioner and two Election Commissioners, appointed by the president. The President … Read more

Political Parties and Pressure Groups

Political Parties and Elections Political parties are an established part of modern mass democracy, and the conduct of elections in India is largely dependent on the behaviour of political parties. Although many candidates for Indian elections are independent, the winning candidates for Lok Sabha and Vidhan Sabha elections usually stand as members of political parties, … Read more