Skylark QC Microbiologist Interview Questions and Answers

Streak presumptive colonies onto nutrients agar and incubator at 35c+/-1for 24+/-1hour perform gram stain appendix 3,uv fluorescence catalase test appendix 2oxidase test appendix 2on colonies purified on natural agar nutrients agar isa non selective medium, which allows purification of the original colony. Culture on non selective media reduce the incidence of gram Variability and also fals positive or negative results...read more

Micro of sugar can be done by using a microscope to observe the microorganisms present in the sugar sample.

• Prepare a sample of the sugar by dissolving it in water and placing a drop on a microscope slide.

• Observe the sample under a microscope at high magnification to identify any microorganisms present.

• Use staining techniques to enhance the visibility of the microorganisms if necessary.

• Record and analyze the data obtain...read more

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• Please clarify what is meant by 'micro test palt size'

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Sugar sample can be prepared by dissolving sugar in water and filtering the solution.

• Weigh the required amount of sugar

• Add it to a beaker of distilled water

• Stir the solution until the sugar dissolves completely

• Filter the solution through a filter paper to remove any impurities

pH test in water is important to determine its acidity or alkalinity level.

• pH levels can affect the growth of microorganisms in water

• Drinking water should have a pH level between 6.5 and 8.5

• High or low pH levels can indicate contamination or chemical imbalances

• pH testing is also important in swimming pools and aquariums

Brix check in syrup is a measurement of the sugar content in a syrup solution.

• Brix is a unit of measurement used to determine the sugar concentration in a liquid.

• It is commonly used in the food and beverage industry to assess the quality and sweetness of syrups.

• The Brix value is obtained by measuring the refractive index of the syrup using a refractometer.

• A higher Brix value indicates a higher sugar content in the syru...read more