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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.
Describe Pulsation in cardian examination? 1) Apex impulse; lowest and outermost point of definite cardiac pulsation. 2) Prominent pulsations in left parasternal region suggest
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Describe ASD closure and VSD closure in heart dieases? ASD Closures : Small ASD's can be closed directly. Others will need a pericardial patch. Piimum ASD and Sinus Venosus A
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This species is an ornamental tree in China, and has yielded the clinically active agents topotecan, irinotecan, and 9 -aminocamptothecin, which are semisynthetically derived from
Q. How many heart chambers does the amphibian heart have? The amphibian heart has three heart chambers such as one ventricle and two atria.
Do plants placed under an environment drier than the habitat where they are used to living have a reduction or an increase in the time during which their stomata remain open? I
Tunnel Subvalvar Stenosis : This variety is less common and extends from sub aortic area for a variable length of 10-30 mms (tunnel stenosis). In the severe variety, the tun
What are the blood types of the ABO blood system? The type A, the type B, the type AB and the type O are the blood types of the ABO blood system..
What is Phylum Annelida - Segmented Worms? Members of this Phylum are commonly known as the segmented worms. The body of a segmented worm is made of many individual ring-like s
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