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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.
Explain about the Dietary Reference Intakes? Dietary Reference Intakes (DRIs) are relatively new to the field of nutrition. The DRIs are a set of four nutrient-based reference
Freediving is an activity in which a person dives, sometimes to great depth, without the use of scuba gear. The diver must hold his or her breath for the duration of the dive. (The
List the four phases of mitosis, and briefly explain what occurs during each phase. Prophase: the chromatin coils and produces chromosomes, the nucleolus and nuclear envelope d
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Define about the Pancreatic Cancer? This is a condition often associated with abdominal pain, anorexia, nausea, and vomiting and weight loss. Ealing may aggravate pain. There m
Handling : You can reduce direct contact with microorganisms by careful handling and by wearing protective clothing such as rubber gloves, mask, lab coat, etc. Even if you entirel
TYPE S - There are present three types of muscle fibres: 1. Striped or striated or skeletal or voluntary muscles. 2. Unstriped or non-striated o
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Name three sources of energy which do not depend on fossil fuel. Sources of energy which do not rely on fossil fuel are water (hydroelectric generation), wind, tidal power, wav
Explain the Fructo Oligosaccharides (FOS)? FOS are polymers of fructose, usually attached to an initial glucose molecule. The total number of fructose units range from 2 to 8 a
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