Which concentration of ethanol (ethyl alcohol) is the most effective as a disinfectant?
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Which of the following method works primarily by denaturing proteins?
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Dioxins and furans are two toxic gaseous pollutants which can be measured by
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HEPA filters are used to filter
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What is the relationship between resolving power of a microscope and wavelength?
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Which of the following water purification technology removes minerals from drinking water?
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Which of the following techniques is most suitable for the estimation of organic or their residues?
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In which type of chromatography four modes viz., absorption, partition, ion exchange and exclusion, are present?
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Which of the following is not a molecular method for detection of microbial population from waterl soil?
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An ultraviolet light source is used in
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Element contaminating the water body is determined and quantified by using one of the following methods
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Which of the following technique does not give a viable count?
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The most effective germicidal wavelength of UV is
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Which one of the following is used to study the structural details of biological tissues using freezefracture technique?
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Which of the following instruments is based on Bragg's law?
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Sedimentation efficiency depends on the relative strength of
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The typical temperature for autoclaving (operating at 15 pounds per square inch of pressure) is
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To understand the 3D structure of the molecule following technique is called
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When certain types of molecules absorb UV energy, energy in the UV or visible regions is emitted as the excess energy. This phenomenon is known as
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The band labelled as UV - C which is lethal to microorganisms is
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