Chemicals find great use in cosmetics. Creams like cleansing creams, cold creams, bleaching and vanishing creams are prepared synthetically from chemicals. Perfumes, talcum powders and deodorants are also some other cosmetic substances that are obtained from chemicals. Lipsticks, nail polish and h..

Every organism whether plant or animal is unique in itself. There is a wide diversity in the flora (plants) and fauna (animals) in the world. The diversity we see today is the result of 3.5 billion years of organic evolutio..

The present system of classification, recognises the living organisms under five kingdom..
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Every organism whether plant or animal is unique in itself. There is a wide diversity in the flora (plants) and fauna (animals) in the world. The diversity we see today is the result of 3.5 billion years of organic evolution. Every organism whether plant or animal is unique in itse..
> > Diversity in the Living World

By making a comparative study and assorting the similarities and differences amongst the various varieties of species, organisms can be classified into groups or sets. By making a comparative study and assorting the similarities and differences amongst the various varieties of species, organ..
> > Diversity in the Living World

In the modern system of classification, living organisms are grouped under five kingdoms, as proposed by Whittaker (1966). The Kingdom Monera includes bacteria and blue green algae, both of which possess prokaryotic cells. In the modern system of classification, living organisms are groupe..

Humans have always been curious about the world around them. The world has an astonishing variety of materials and bewildering diversity of life and behaviour. The inquiring and imaginative human mind has responded to the wonder and awe of nature in different ways. This hu..
> Physics III

Physics is sometimes called as 'science of measurement'. The acceleration produced by a force for the motion of a body can be known by measuring the magnitude of applied force and mass of the body. Physics is sometimes called as 'science of measurement'. The acceleration produced by a force ..

This completes the five chapters under Unit-1 which has taught all those items (such as bricks, mortar, stores, etc., needed for construction of a house) which are the building blocks for observing, studying, understanding and developing the knowledge of science in general and physics in part..
> Physics III > Physical World and Measurement

Humans have always been curious about the world around them. The world has an astonishing variety of materials and bewildering diversity of life and behaviour. The inquiring and imaginative human mind has responded to the wonder and awe of nature in different ways. This hu..
> Physics III > Physical World and Measurement