Monera : Monera is the most plentiful and smallest living organisms on the earth. These are found everywhere on land. They can be found in hot springs, underside ice bags and on the deep ocean floor, in the hottest and driest deserts as parasites on and in other life forms.Characteristics of Monera1. These are Prokaryotic […]
Two-Kingdom classification : In 1735, a well-known scientist Linnaeus divided all the living beings into two classes, namely all plants under the kingdom ‘Plantae’ and all the animals under ‘Animalia’.Three-kingdom classification : In 1866 Haeckel classified all living beings into three. Plants, Animals and third was Protista. Third was to give a place for primitive
Enzymes : Enzymes are proteins molecules which facilitate specific reactions towards equilibrium.These are commonly called organic catalysts.Substrates : The substrates are the molecules bound to and acted on by enzymes.Nature of enzymes : All enzymes are proteins, molecules. Most of them are composed of derivative proteins. The enzyme complex is called holoenzyme. It is composed
The cell is the basic unit of life.Cell : Cell is the basic unit of structure and function in living organisms.Cell Theory1. All living things are composed of cells.2. All cells arise from pre-existing cells.3. All cells in chemical composition and metabolic activities are alike.4. The function of an organism depends totally on the activities
3. Cell Structure, Cellular Respiration and Cell Division Read More »
Before the invention of microscope, the cell and its existence was not known to man. The study of cell biology has been inseparable from the evolution of the microscope. The 19th century was an era in which microscope contributed a lot to the extensive study of cell. The limit of resolution of an unaided human
Biology : Biology is the branch of science which deals with living things i.e. animals and plants.The word ‘Biology’ has been derived from two Greek words viz. bios meaning life and logos meaning study.There are three main studies in biology.(i) Botany : It deals with the study of plants.(ii) Zoology : It deals with the
Absenteeism—The absences of workers from the work is called absenteeism. It reflects the working conditions prevailing in the firm and moral among the workers in that firm and affects the firm’s productivity.Advertisement—It is a means of stimulating demand for a product, it is used to inform the prospective buyers to persuade them that our brand
International Monetary Fund (I.M.F.)The International Monetrary Fund (IMF) was organised in 1946 and commenced its operation in March, 1947. It was set up to adminster a ‘code of fair practice’ in the field of foreign exchange and to make short-term loans to member nation experiencing temporary deficits in their balance of payments, to enable them
GATT was an international body having its headquarters at Geneva and was founded in 1947 by 23 member countries including India. The body now comprises of 117 member countries of which around two-thirds are developing nations.According to the approved GATT accord, a Preparatory Committe would be set up, which in turn would set up the
Generally, no country is self-sufficient. It has to depend upon other countries for importing the goods which are either non-available with it or are available in insuficent quantities. Similarly, it can export goods which are in excess qunatity with it and are in hight demand outside. Trading with other countries can play an important role
The last decade has witnessed much talk about glogalization, economic liberalization and economic integration of the Indian economy with the world economy. Specially after the completion of Uruguay Round of trade negotiations in April 1994 and the establishment of the World Trade Organization in January 1995, many issues have been raised regarding India’s participation in
Ask anyone living in big metropolitan cities from the 1950s to compare the quality of life then and now. He will roll out to you the entire panorama of the paradises of sorts in which he lived more than half a century ago to the virtual hell into which he has been dumped today. Jobs
Drug abuse is a psychiatric, psychological and social problem affecting the youth of the country. It ruins the individual and the society in manifold ways—socially, physically, culturally, emotionally and economically. Acting on the brain, the drug spawns a wide range of disorders like fear, anxiety and a sense of insecurity in the human mind.There are
Children constitute 36 per cent of India’s population and it is a national shame that bulk of them still suffer from malnutrition, poverty, disease, cruel exploitation through forced child labour and beggary and on top of all, illiteracy. Hundreds of thousands of children roam the streets without homes or families to go back to and
There is no denying that remarkable progress has been achieved in the realms of science and technology, particularly medicine, inforamation technology, communications, infrastructure development, food production, speciality hospitals in the cities, etc. Yet medicare for the millions of poor and the lower middle class familes still remian a luxury. Millions of people are still trapped