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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.
(a)State the law of independent assortment. (b )Using punnett square demonstrate the law of independent assortment in a dihybrid cross including two heterozygous parents.
What is the phellogen? What its function? The Phellogen also called as cork cambium is the meristematic plant tissue responsible for the formation of the periderm (the covering
What are the three main types of trophic pyramids studied in Ecology? The three kinds of trophic pyramids studied in Ecology are the numeric pyramid, the biomass pyramid and th
explain the genotypes for each blood type and how this is an example of codominance. Blood type- A, AB, B, 0
Surface Run-off - Causes of Water Pollution The surface run-off from cultivated lands where inorganic fertilisers, pesticides, insecticides and rich manure are applied and sol
How to Calculate the Biological Value of Protein? A method for determining the biological value of proteins was developed by Mitchell in 1925. It measures the quantity of dieta
for assignment
Which type of cell came first in evolution - the eukaryotic cell or the prokaryotic cell? This is an interesting problem of biological evolution. The most accepted hypothesis a
Q. What is Angina Pectoris? Chest discomfort is often reported by most patients especially those which are chronic cases of dyslipidemia and/or hypertension. Like diarrhoea and
Progressive senescence - Senescence This is the third category of senescence. Here also the leaves are shed but it is gradual senescence of leaves up the stem. For example, th
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