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Micro-organisms:
The micro-organisms mixed up in aerobic absorption and their activities are the same as those found in nature. The organic compounds are oxidised to H2O and CO2, and nitrogenous elements and biomass are also created. However in waste water, the organic materials are present in much larger concentrations than in nature. so, the microbial population and activities are gained accordingly by (i) giving large surface for bio film creation and O2 exchange in fixed film structures, basically trickling filters, and (ii) returning a type of the operated sludge to the digester vessel and creating effective aeration arrangements.
The first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy? 1. Fourth month 2. Fifth month 3. Sixth month
What is the external rigid carapace of arthropods called? Of which substance is it made? Which type of organic molecule is that substance? The external carapace of arthropods i
The main objectives of study of ecology are: (i) To study the distribution of biota local and geographical level. (ii) To study the interrelationship
Explain ozone shield? Name two gases that can cause damage to this shield. Give one harmful effect of this damage each on plants and animals.
How do you convert 147.05mg% of plasma glucose to mM/L please show work.
First Stage of Invagination The large endodermal cells that are remaining in the vegetal plate move laterally towards the centre of the plate and fill the gap in the vegetal
What is xaxim? Most pteridophytes have subterraneous stems similar to the substrate called as rhizomes. Xaxim is a kind of pteridophyte with an aerial stem in generally perpend
Q. What do you mean by Insect control? The insects can breed and hide in garbage and other places where there is availability of waste materials. The cockroach lives and breed
T AXONOMIC EVIDENCES - Taxonomy is the classification of organism. The gradual development in the complexity of organisms with specialized characters from simpler organisms
How to draw diagrams of bones
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