B) False, Pasteurization is used to sterilize milk. c) Secondary treatment A) True Bioremediation of polluants utilizing biodegradation abilities of microorganisms include the natural attenuation, although it may be enhanced by engineered techniques, either by addition of selected microorganisms (bioaugmentation) or by biostimulation, where nutrients are added. B. A) True c) base analog It works best in this range and is also used as a tracking dye in Agarose-Gel Electrophoresis. d) Indicator dye technique The section contains questions and answers on biological and economic importance of algae, algae characteristics and classification, ecology and protozoa importance, protozoa characteristics, protozoa morphology and reproduction. a) cellulose dehydrogenase Incorporation of CaCO3 in medium is also used to__________. View Answer, 12. D) removal of waste, inoculation, fermentation, downstream processing. c) An objective with minimum numerical aperture Bacteria or other organisms used in AST testing should be from a fresh culture, ii) the composition and preparation of the agar and broth media used (e.g. d) Mycoplasmas Each of the following organisms is an important cause of urinary tract infections except: a. Klebsiella pneumoniae b. Escherichia coli c. Bacteriodes fragilis d. Proteus mirabilis; A 30-year woman has non-bloody diarrhea for the past 14 hours. a) Growth Factor producers Answer: B View Answer, 44. Easy detection of the small percentage of useful microorganism. Report an issue. (1) Screen organic acid-producing microbes. The process is repeated several times until the requirement is met. This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. Which of the following are produced by microorganisms? d) Prototheca b) Budding Which of the following method is useful for the detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? c) Enrichment Culture technique 12. 9. The Society's role is to help unlock and harness . It is colourless at pH 8.0 and becomes red at pH above 10.0. c) The optimum temperature for the growth of an organism must be above 50C. Fermentation Products & Bioreactor Design, Fermentation Laboratory & Bioprocesses Design, SCADA System for Bioreactors, Beer & Brewing, Fermenting Vegetables & Sour Tonic Beverages, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Fermentation Technology Questions and Answers Microbial Growth Kinetics FedBatch Culture, Next - Fermentation Technology Questions and Answers Preservation of Industrial Microorganisms, Certificate of Merit in Fermentation Technology, Fermentation Technology Certification Contest, Genetic Engineering Questions and Answers Database Screening and Screening by Nucleic Acid Hybridisation 1, Fermentation Technology Questions and Answers Improvement of Industrial Microorganisms, Fermentation Technology Questions and Answers Fermentation Products Recovery and Purification Chromatography, Genetic Engineering Questions and Answers Database Screening and Screening by Nucleic Acid Hybridisation 2, Mechanical Operations Questions and Answers Screening Equipments, Fermentation Technology Questions and Answers Microbial Growth Kinetics FedBatch Culture, Fermentation Technology Questions and Answers Aeration and Agitation Determination of Kla Values, Fermentation Technology Questions and Answers Microbial Growth Kinetics Continuous Culture, Fermentation Technology Questions and Answers Commercial Applications Surface, Submerged and Solid State Fermentation, Books on Engineering, Science and Technology, Chemical Process Technology MCQ Questions. The organism must be able to produce a high yield of product 11. d) Phaeophycophyta View Answer, 13. Rhizobium bacteria. Fermentation Technology Questions on Isolation and Screening of Industrially Important Microbes. Types of pathogens include specific bacteria strains, viruses, fungi, or parasites that can cause illness in its host. Clarification: Phenol Red plate is used to detect and isolate organic acid producers. 8. d) appendaged bacteria Which of the following are present in teichoic acids? It gets its name from the Danish bacteriologist Hans Christian Gram who first introduced it in 1882, mainly to identify organisms causing pneumonia. View Answer, 32. c) Enrichment Culture technique The section contains multiple choice questions and answers on viruses, vaccination, structure, composition, viruses classification, virus infection and fatal diseases. 25. a)Microaerophilic. View Answer, 48. Complex media are prepared using digests of microbial, animal, or . 4. b) Streptomyces olivaceus A skin biopsy test was performed and the infection was diagnosed to be a parasitic infection. 100-fold View Answer, 16. Which part of the compound microscope helps in gathering and focusing light rays on the specimen to be viewed? C. Organic acid producers Which of the following dye is colourless at acidic pH and becomes red at basic pH? The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme 11. a) Final treatment Growth of bacteria or microorganisms refer to __________________ Most E. coli bacteria are harmless and are found in great quantities in the intestines of people and warm-blooded animals. Which was the first disease for which a chemotherapeutic agent was used? d) Cristispira During their metabolism, microbes produce chemicals, some of which are used by human beings. Full-form of ATCC is _________ Clarification: Screening is the use of highly selective procedures to allow the detection and isolation of only those microorganisms of interest from a large microbial population. b) coliforms b) Auxanographic technique Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? b) hydrophilic barrier Which one of the following organisms is least likely to cause this illness? d) Gram-positive bacteria c) hydrophobic barrier c) neither aerobic and anaerobic cells (Or show it to your microbiology professor, just for fun.) d) Indicator dye technique (1) It is useful in sorting microorganisms that have real commercial value. 6. c) The optimum temperature for the growth of an organism must be above 50C View Answer, 24. It is done by using paper, thin layer or other chromatographic techniques. A) organic acids. a) Study of molecules that are visible to human eyes View Answer, 49. You can also prevent infections through: Hand-washing. It will immensely help anyone trying to crack an exam or an interview. b) Auxanographic technique c) Objective lens 1g of soil is added to that test tube and the soil is allowed to settle down. B) False, Mass-produced microbial cells can be used as livestock feed. True. 2. Which of the following method can be used to determine the number of bacteria quantitatively? (1) Its a process for the detection and isolation of microorganisms of our interest. b) Microbacteria 9. Protozoa that eat other organisms are known as _______________ It changes from yellow at pH 3.0 to blue-violet at pH 4.6. It is done by using paper, thin layer or other chromatographic techniques. View Answer, 10. 6. 1. Creative Commons Attribution License A. The screening is isolation and detection of microorganisms of interest. A. 1. The production of substances in industrial microbiology occur in the sequence: b) ribitol residues View Answer, 17. 5. a) Gram-negative organisms magic island poem tone Consult Now c) Phenolphthalein Which of the following inhibits DNA replication? Q. Q.1: Screening of microorganisms includes . The science of using living systems to benefit humankind is called biotechnology.Technically speaking, the domestication of plants and animals through farming and breeding practices is a type of biotechnology. b) cellulose c) Saccharomyces cerevisiae 5. b) vitamins 5. YB STUDY is an Indias largest Online learning website offers learning for classes 1 to 12 and competitive exams like NEET, JEE, Olympiads, NTSE, KVPY, State boards etc. The section contains multiple choice questions and answers on microorganisms characteristics and microbial classification. 2011-2023 Sanfoundry. 3. c) fecal streptococci Sulphates are reduced to hydrogen sulphide by _____________________ 4. Which of the following method is not used in isolation and screening of desired microorganisms? c) parasitic infection Urinary tract infection was suspected, urine sample and swab specimen were taken and cultured on suitable agar media, a microscopic examination was performed. C) new batches of microorganisms are screened for increased yield. a) Neisseria gonorrhoeae. Which of the following are important primary screening techniques? b. The section contains questions and answers on sanitary quality of water, wastewater, treatment processes, fresh foods microbial flora, food preservation and microorganisms. Microbial enzyme production concentrates on simple hydrolytic enzymes (proteases, amylases, pectinases) that degrade natural polymers such as proteins, starches, or pectin. Which of the following dye is colourless at acidic pH and becomes red at basic pH? Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? Our mission is to improve educational access and learning for everyone. b) The organism must be able to produce a high yield of product. D. Indicator dye technique. View Answer, 26. A) True b) Ferdinand Cohn Detrimental effects of microorganisms in food include, Fermentation of grains usually results in production of, During malting, barley and other grains are broken down by, Milk fermentation to produce cheese is done initially by inoculating with, Pickles and sauerkraut share a common inoculum, which is. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . d) cathode rays Which of the following yeast can be used to produce microbial protein? Avoid contaminated food and water. d) Measles a) cytoplasmic membrane Who is considered the father of Western medicine? C) are products that require additional processing before they can be packaged. a) Algae This book uses the C) selecting microbial strains that lack a feedback system. Contact Us. b) mutualistic The following diagram represents ____________a) Plate with wormsb) Colonies of bacteria on a petri dishc) Onion root cells on a plated) Cheek cellsAnswer: bClarification: The following diagram represents colonies of bacteria on a petri dish. C. Enrichment Culture technique Prokaryotes are unicellular microorganisms whose cells have no nucleus. How do you isolate microorganisms from the soil? lauren conrad and stephen colletti /; 2. Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? c) Chemical assay screening of microorganisms includes mcq; screening of microorganisms includes mcq. (4) Attempt to Stain microorganisms. Which of the following is the primary screening method? What does a viral DNA becomes after being associated with the bacterial chromosome? Which of the following statements about food chain and energy . Answer: C d) an increase in the mass of an individual organism Performance and sterility testing of media lots should also be determined and 6. You can also download the PDF of Microbiology MCQs by applying below. d) All of the mentioned c) DNA polymerase I c) Binary fission D) exposure. Which of the following is not related to microbes?a) Microbes are not ideal for biotechnologyb) Microbes produce chemicals during their metabolismc) Microbes can be grown on artificial mediumd) Microbes can live in highly acidic mediumAnswer: aClarification: Microbes can be grown on artificial cultures media where they form colonies. The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. d) Physical assay A. American Type Culture Collection a) False B) mass, controlled culture of microbes to synthesize products. (3) It does not provide many ideas about the production or yield potential of microorganisms. MCQ Questions for Class 8 Science: Ch 2 Microorganisms: Friend and Foe. D. American Type Classifier and Collection. False. Which of the following types of microorganisms is photosynthetic? Wish you the best in your endeavor to learn and master Microbiology! The following diagram shows an adenovirus: ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<, Your email address will not be published. This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. Which of the following was NOT a kingdom in Linnaeuss taxonomy? Home Fermentation Technology Objective Questions 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers. a) x-rays Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite. During the test, You will take off your clothes below your waist. Which of the following method proceeds with 2-plate preparation? The serial dilutions of soil are performed and spread on a Petri plate and allowed to grow. a) Regeneration 6. Except where otherwise noted, textbooks on this site 8. The section contains MCQs on chemotherapy historical highlights, antibiotics and their actions, microbiological assay of antibiotics, antifungal, antiviral and antitumour antibiotics. The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against. Answer: D It must be toxic to micro-organisms at concentrations well below the toxic thresholds of humans and higher animals so that it cannot negatively affect the animals or humans. It is the organization which has the largest department of Research and Development. Which isolation technique is most commonly used for colony isolation in the laboratory? a) Spread-plate

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