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Define the role of Bacteria in soil flora
The most abundant soil organisms are primitive, very minute, unicellular organisms devoid of chlorophyll. Bacteria are most abundant in soil with an average mass of about 1.5 x 10- 12g. Some 300 to 3000 kg of live bacteria are present in every hectare of surface soil. Most of the bacterial cells remain adsorbed on the clay particles and humus part of soil. Their number in a soil depends upon the type of soil and the climatic conditions. Bacteria, in general, prefer near neutral to slightly alkaline medium, between pH 6.5 to 8.00 for their growth. Soil bacteria may be heterotrophic, obtaining their energy and carbon from complex organic substances or autotrophic, obtaining their energy from the oxidation of the organic compounds, their carbon from the carbon dioxide, their nitrogen and other minerals from inorganic compounds.
Explain the Small Intestine The small intestine is continuous with the stomach at the pyloric sphincter and leads into the large intestine at the ileocdic valve. It is about 2
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Explain Ketones The ketone bodies accumulate in the blood in impaired glucose metabolism as in starvation and diabetes mellitus. The high levels of ketone bodies are excreted i
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Technical innovations and Inventions: Medieval India witnessed considerable improvement and changes in the field of technology. While these changes were largely a result of
What is vision and how is it connected to the brain?
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A floating experiment with different kinds of wood Secure a cork, and pieces of wood like as maple, mahogany and ebony. Place them in a pan of water and notice how every one be
Communication Revolution: It is in this background, that communication revolution is being ushered in ou: country. In the recent years, the rural people who have access to T
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