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Explain Methods for Coliform Detection in Water?
Sanitary condition of drinking water can be determined by counting the coliform bacteria. It is a reliable and reproducible indicator of faecal contamination in all public water supplies. Both qualitative and quantitative methods can be used. Commonly used methods for coliform detection in water samples are:
i) Most probable number procedure, and
ii) Membrane filtration procedure
Other tests like presence-absence test, coli test, defined substrate test and molecular techniques can be used to detect coliforms in water and other environment. In a well regulated water supply system, coliform tests should be negative. Positive tests indicates a breakdown in purification or distribution system.
Inspiration decreases the pressure in the central veins and thus increases the pressure gradient between the peripheral and central veins thus augmenting venous return. Skeletal mu
Explain the Bioavailability of Thiamin? Thiamin is readily available from the gut from food sources (as thiamin phosphate esters). Drugs and alcohol abuse may interfere with th
Class Gastropoda Body asymmetrical, depicts torsion or its effects; shell coiled in most, well developed head with radula, large flat foot, gills one or two or with pulmonary
Q. What are the ions? What are the two kinds of molecules into which ions are classified ? Ions are substances or atoms electrically charged by means of gain or loss of electron
Draw a section of the microscopic structure of human retina and label any six parts in it. a) Name the structure that determines the eye colour in humans. What is the normal f
Define Can we improve the nutritive value of protein? Yes, as discussed above, the nutritive value of a protein can be improved in two ways: (1) by mutual supplementation, that
what is the formula for an amino acid
Artificial respiration First - aid for drowning victims should aim to restore respiration as quickly as possible. First of all, nose, mouth and throat of the victim shoul
Classification of hydrocolloids by function It must be clear to you now that gum ghatti, gum karaya, gum tragacanth ( classified as exudate gums) locust bean gum, guar g
1. You have two bags of polymer. Bag A has 10 kgs of polymer with weight average molecular weight of 336.6 kg and Bag B has 20kg of polymer with weight average molecular weight 39
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