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flower Structure

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STRUCTURE OF FLOWER      Flowers are colorful things on earth. Flowers are one of the beautiful gifts given by the nature. Flowers enhance the beauty of the nature. When we see the flowers our eyes become calm and when we smell it our mind become activate and feel free. No one is in the earth who are not attracted by the flowers.   So these flowers are very important in our daily life. We are using flowers in our day today life for decoration, worshipping god, medicine and essential oil extraction for perfumery agents .      In biological way these flowers are the reproductive structures in plants especially in angiosperms. In plant where the flower occurs are called inflorescence. The flowers are colorful and aromatic in nature because to attract the flays, bees and birds etc., for the pollination. Usually the flowers are different in size , shapes and color.      In botanical way in some families flowers are unisexual like male flowers and female flowers, but most of the families are

Microbiology, Some of the events in microbiological history

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Microbiology   Microbiology , a branch of biological science that deals with the study of microorganisms. The term  microbiology was given by French chemist Louis Pasteur (1822-95). Microorganisms  are  living organisms that are too small to be visible with the naked eye and they are microscopic in size and most of them are unicellular some of them are multi cellular forms This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'.  All life processes are performed within a single cell   These microorganisms which helps nitrogen fixation in plants which helps to increse soil fertility, some microorganisms acts as bio controlling agents in agricultural field.  Yeasts are used in the production of alcoholic beverages.  Some Bacteria’s are used in recombinant DNA technology to produce medicines. Microorganisms are the main tools for the study of molecular biology genetic engineering.  By using microorganisms pharmaceutical industr