micro organism risks

Some plants have an ability to fix nitrogen from the atmosphere through a process called symbiotic nitrogen fixation. The symbiotic bacterium Rhizobium is found in association with the root nodules of the leguminous plants such as beans, peas, gram and groundnut. The association between the Rhizobi..

Summary - Biologists estimate that there are about 30 million species of living organisms inhabiting this biosphere and only a million and half of it have been discovered and described so far. The species of plants and animals identified so far exhibit a great deal of variation in their f..

It is the study of micro-organisms that are useful and harmful to man, animals and plant..

Body temperature, pH and various body secretions, prevent growth of many pathogenic micro-organisms..

Question: Identify the micro-organism. What type of micro-organism is it? Name another disease caused by the same type of micro-organism. Answer: It is the bacteria called vibrio cholerae Tuberculosis is the other bacterial disease..

Chemicals added to food materials to prevent the growth of micro organisms or prevent spoilage and to increase their shelf life are called preservative..

Petroleum is believed to have been originated from the remains of sea organisms. The micro organisms have largely contributed to the formation of petroleum. Due to the effect of heat, pressure and catalytic action of anaerobic bacteria, the buried remains of sea ..

Soil ecology is the study of life in soil in harmony with abiotic factors like air, soil particles, carbonaceous materials etc. In its natural condition, soil has its own equilibrium featured by delicate balance between micro and macro organisms in the form of series of fo..

The Kingdom Protista includes with a few exceptions, all the unicellular eukaryotic micro-organisms. They are predominantly aquatic where they occur as solitary cells. Some of them may form colonies consisting of similar cells. The protists are regarded as ancestors of all multicell..