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It is the process of separating colloidal and suspended impurities from water by passing it through a porous bed made of fine sand and other proper sized granular materials. Filtration is carried out in a sand filter. It consists of a top thick layer of fine sand, placed over coarse sand layer followed by gravel. Water comes from the top.
Small micro-organisms present in sand voids decompose organic matter and remove some of the biological impurities.
Define Stolon - Types of Hyphae? Microscopically, hyphae are aseptate and coenocytic. There are 3 kinds of hyphae: (a) Stolon - These grow horizontally on substratum surfa
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Difference between Artificial selection and natural selection - S.No Artificial selection Natural selection 1. It
a) Describe the theory of capillarity of water translocation in plants. b) Can the theory define translocation of water in 100 m tall trees? Give one reason.
Define Precautions for estimation of vitamin c in a solution? 1. Rinse all glassware with 3% metaphosphoric acid before you begin your practical and subsequently each time you
What is the structural flat representation of an amino acid molecule? An amino acid has a central carbon to which a carboxyl group binds on a side and to which a -R (variable r
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Aerobic Based Water Treatment: Waste water provides organic materials and inorganic nutrients to river waters; this is known as eutrophication. This promotes microbial and plan
How different are gymnosperms from pteridophytes and bryophytes? Gymnosperms are not cryptogamic as pteridophytes and bryophytes are. They are phanerogamic and so they form see
Q. What is mutualism? The Mutualism is the ecological interaction in which both participants advantage and that is obligatory for their survival. The Mutualism is a harmonio
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