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Water Pollutants - Water Pollution
Water pollution can occur on account of any one or more of the following agents:
1. Biological: Pathogens such as virus, bacteria, protozoa and worms.
2. Chemical:
3. Physical: Waste heat from industrial plants
Define Procedure for Testing the Presence of Proteins in Milk? 1. Add 0.5 ml of alcohol to 0.5 ml milk. Alcohol helps in curdling the milk. 2. Observe for the curdling of m
Q. What is Exudative diarrhoea? Exudative diarrhoea: It is associated with the mucosal damage leading to out pouring of mucus, blood and plasma proteins with a net accumulation
Transport in Phloem The basic necessities of plants, water, are taken up by the roots. Another purpose served by the roots is to absorb water soluble mineral nutrients from th
(a) Name four examples of compounds which are classed as carbohydrate. (b) What elements are present in carbohydrates? (a) Sugars (glucose, fructose, maltose, sucro
In what ways does over-grazing lead to soil erosion? Over-grazing leads to erosion because (i) the animals delete all the vegetation, so exposing the soil to heavy rain, (ii) t
Jillian and Michael are in their freshman year at college. The two have been friends since grade school and the two of them enjoy getting together for dinner. Michael typically
Two atoms always represent the same element if they have. A) the same number of particles in the nucleus. B) The same number of electrons. C) The same number of shells. D) The same
Amylopectin Amylopectin forms a branched structure with about 30 glucose units in a chain among branches. There are usually slightly more 'outer' unbranched chains (called A-c
In his experiments, Mendel noted that when two traits are involved in a genetic cross, they are inherited independently of each other. The reason for this is that A. genes on the s
Explain E. coli - Microbiological Study of Water? It is always present in human intestine so its presence indicates the faecal pollution and possible presence of other human or
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