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Effects on Health - Water Pollution
Water pollution deteriorates the quality of water used for drinking, bathing, swimming, recreation and irrigation. Water contaminated with sewage has foul smell and creates unhygienic conditions in the surroundings and affects our health. Drinking water polluted with sewage is a source of viruses, bacteria, protozoa and worms.
Water-borne infectious diseases like cholera, dysentery, typhoid, and jaundice and worm infection are still the major public health problems in developing countries.
Explain Dehydration Dehydration is one of the ancient food processing techniques. Dehydration means to completely remove water under controlled conditions, in such a way
The risk of PVE is greatest during the initial 6 months after valve surgery (particularly during the initial 5 to 6 weeks) and thereafter declines to a lower but persistent risk (0
Locomotion and reproduction in echinodermata
Q. Percentage ratio of total Solids and Water in honey? Most genuine honeys contain 13-23 per cent of water. The total solids or moisture can be estimated by drying in a vacuu
Meiosis is the special type of cell division in which the numbers of chromosomes in daughter cell are reduced to half, as compared to parent cell. Occurrence: It takes place
Discuss how the blood sugar level is maintained at a stable level in the well fed and fasting state In the fed state, clearance of blood glucose is mainly by liver via gluc
Explain the Use and Care of Microscope? Proper care and maintenance of microscope is needed. Following points should be kept in mind while handling the microscope: (i) Instr
Facilitation Model - Models of Succession This is considered as the classical model of succession. It is based on the assumption that species of a previous stage are replaced
How are the organelles of a single cell like the organs of a multicellular organism? Name two features of eukaryotic cells that prokaryotic cells lack.
A)Which of the following statements about DNA structure is true? 1.The nucleic acid strands in a DNA molecule are oriented ant parallel to each other, meaning they run in opposite
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