c) Chemical assay Biology Multiple Choice Questions on Microbes. The screening is isolation and detection of microorganisms of interest. Which of the following is a family of lambda phage viruses? Clarification: Phenolphthalein has a pH range between 8.0 10.0. It is done by using paper, thin layer or other chromatographic techniques. Answer: A d) Coxiella burnetii Which of the following statement is correct regarding primary screening________. Clarification: ATCC stands for American Type Culture Collection. View Answer, 32. B) False, When in doubt, throw it out. Sulphates are reduced to hydrogen sulphide by _____________________ Some examples of Spherical shaped bacteria include Staph aureus, Staph epidermidis, Staph haemolyticus, Strep pyrogenes, etc. The microorganisms are chosen based on the rest three criteria. Primary treatment removes material that will either float or readily settle out by gravity. Which was the first disease for which a chemotherapeutic agent was used? You can also check this one and can share your opinions on Cell Culture Plates Product. View Answer, 31. 10. It is the zone where only the growth of a particular colony is observed whereas rest all colonies get degraded by antibiotics. Which of the following pulmonary pathogens cannot be easily detected by the gram staining technique when performing a microscopy test? (Or show it to your microbiology professor, just for fun.) Clarification: The transfer of a 1ml solution to 9ml d/w is called as serial 10-fold dilution. 1. b) irregular Which of the following is not a subfield of microbiology? B) mass, controlled culture of microbes to synthesize products. This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. Clarification: Hanging drop technique is used for motility testing of bacteria. B) nutrients are continuously fed into the reactor and the product is siphoned off during the run. Label these plates 1/10 3 through 1/10 6. Mycoplasma pneumoniae is an unusual bacteria with distinctive colonies which are.

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