microorganism present in the environment

a) They act as decomposers in nature. b) They clear the environment of debris and clean the environment. c) They fix atmospheric nitrogen and provide it to plants. d) They are used in industries to produce alcohol, acetone, vinegar, methane, some vitamins and antibiotics. e) Th..

The micro-organisms like cyanobacteria (blue-green algae) and photosynthetic bacteria can also fix nitrogen. Some cyanobacteria also act as symbionts and are present in association with lichens; liverwort - Anthoceros; fronds of water fern - Azolla and roots of a gymnosperm - Cy..

Each and every living organism has its specific surrounding medium of environment with which it continuously interacts and remains fully adapted. The environment is the sum total of physical and biotic conditions influencing the responses of the organisms. The life supporting ..

The substances/species produced either by a natural source or by human activity, which cause an adverse effect on the environment on being in excess of a desirable limit, are termed as pollutants. Some common examples of pollutants are carbon monoxide, sulphur dioxide, oxides of nitrogen,..

The leucocytes are phagocytic and engulf the bacteria and other micro-organisms that attack the body cells. The lymphocytes secrete antibodies, that are special protein molecules that act against specific proteins present on the surface of the germs. These proteins are called th..

The strong oxidizing action of chlorine destroys organic matter like bacteria, fungus and other micro-organisms. In most of the advanced countries chlorine has now been mostly replaced by ozone, which is more environment friendly disinfectan..

Every one of us carries a hydrochloric acid manufacturing unit in our body! It is present in the gastric juice of all mammals. In the stomach hydrochloric acid helps to produce pepsin, which is used for the digestion of proteins. It also helps to destroy harmful microorganismsh..

Question: What are abiotic and biotic components of environment? Answer: The physical components of the environment soil, water, air, light and temperature are termed as abiotic components. The biotic components are all living things such as plants, animals, micr..

The word 'resource' means supplying a material generally held in reserve. The common natural resources include energy, air, water, land, minerals, microorganisms plants and animals. For man, the resources are the substances required for his survival and comforts. These substances are obta..

The environment in which the man and other organisms live is called the biosphere. The biosphere is made up of different regions that have different types of flora (plants) and fauna (animals). The types of organisms in an area are determined by various factors such as the climate, tempe..