the economic importance

1) They produce food for all organisms 2) They provide beneficial substances like drugs, tannins, fibres, rubber, vegetable oils, fuel, condiments. 3) Some plants contain alkaloids which check growth of cancer cells. Example: Rosy periwinkle. 4) Plants release O 2 , cool environment by releasing H..

The p-block contains several elements of great social and economic importance as well as chemical interest. Examples include the use of aluminium as a structural material, the importance of silicon and germanium as semiconductors, and the use of sulphur, phosphor..

Introduction - The p-block contains several elements of great social and economic importance as well as chemical interest. Examples include the use of aluminium as a structural material, the importance of silicon and germanium as semiconductors, and the use of sulphur,..

Population supplies trained and skilled labour to the country. It is important for the economic growth. If the skilled labour pioneer is properly utilised in industries, it will result in large scale production and the cost of production will fall, the price of products will dec..

Botanical Gardens - A botanical garden is mainly a place for growing plants, more than that, the botanical garden serves as a rich source of material for persons pursuing scientific research. In addition it also helps in creating awareness on the rich diversity in plant life and among the general p..

Introduction - The p-block contains several elements of great social and economic importance as well as chemical interest. Examples include the use of aluminium as a structural material, the importance of silicon and germanium as semiconductors, and the use of sulphur,..

Although population of some animals is also studied, the population of human beings is most extensively studied. Whenever the word population is used, it connotes the human population. Population is one of the most important subjects known for having large scale ramifications on ..

The derivative, measures the rate at which the dependent variable changes with respect to the independent variable. It is one of the most important ideas in Calculus. The differentiation of functions are widely used in science, economics, medicine and computer scienc..

Certain flowering plants have the capacity to develop a part of their somatic body into a new independent plant. In artificial vegetative propagation, such plants are identified and special techniques are applied to obtain new independent plant. Horticulture have used the various methods of vegetat..

A good source of energy should have the following characteristics: It should do a large amount of work per unit mass or volume - it means that the output energy must be more than the input energy. It should have high calorific value. It should be easily accessible - the energy source should b..