View Answer, 6. d) All of the mentioned d) Antoni van Leeuwenhoek c. Let the soil particles settle after shaking and then transfer 1ml of the solution into tube 2. Which shape of bacteria has been represented in the following diagram? a) Leuconostoc citrovorum View Answer, 19. 100-fold APT test C. Elastase I D. Quantitative fecal fat testing: 6. a) Killing all microorganisms. d) appendaged bacteria 6. c) Spirochaeta Which of the following is NOT a domain in Woese and Foxs phylogenetic tree? If you are redistributing all or part of this book in a print format, d) The organism must be able to grow in an easily available nutrient medium. For this dilution, it may be said that the solution was diluted _______ However, if environmental contamination can enter the system, pathogens could get in too. 5. Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a c) Organic acid producers 3.0 4.6 Antibiotic producing microorganisms can be detected by the method__________, 5. a) Neisseria gonorrhoeae. The section contains multiple choice questions and answers on soil microorganisms interactions, nitrogen, carbon and sulphur cycles, aquatic environment, aquatic microorganisms techniques and productivity. View Answer, 12. It is done by using paper, thin layer or other chromatographic techniques. a) Bacillariophycophyta b) 0.5 to 1.0 micrometer in diameter c) Chlorella Butanol is obtained by fermenting molasses by. A. B) False, HACCP Hazard Analysis and Critical Control Point uses random samples for quality control of the food supply. View Answer, 27. Which of the following is the example of encapsulated gram-positive bacteria? a) viruses d) mitochondrial membrane c) American Type Counter Collection a) glycerol residues What is the pH range of Bromophenol blue? C. Enrichment Culture technique 9. Place 6 test tubes into a rack and fill each with 9ml of 0.9% NaCl solution. The section contains multiple choice questions and answers on normal flora, human host, normal flora distribution, microbial adherence, epithelial cell layers penetration and microbial virulence factors. View Answer, 38. False. Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. Which of the following is a type of fungal microorganism? D. Phenol red. Which of the following statements about food chain and energy . a) 1mm in diameter The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. 1999-2023, Rice University. 8. 10. determined to obtain accurate susceptibility results. a) viral infection b) Streak-plate c) Pour-plate and spread plate It should have a fast rate of kill of micro-organisms. Clarification: The Auxanographic technique is used for the detection and isolation of the organisms which are growth factor producers. Q. Vegetative bacteria are able to withstand adverse conditions better than protozoan cysts. This is one of the widely used methods and more important. A) radiation. View Answer, 28. View Answer, 3. This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. C) use of microbes in sewage and pollution control. They are present even at sites where no other life-form could possibly exist- sites such as deep inside geysers, deep in the soil, etc. Which among the following are Spirochetes? 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. d) an increase in the mass of an individual organism Want to cite, share, or modify this book? Often overlooked, hand-washing is one of the easiest and most effective ways to protect yourself from germs and most infections. 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. In this process desired microorganism is generally isolated from a natural environment like soil, which . c) Enrichment Culture technique (4) This may be accomplished by paper, thin layer, chromatographic technique. 6. Which organisms show the zone of inhibition grown on a Petri plate? 12. 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. a) phospholipids B. a) Styloviridae milk, meat, green vegetables, fruits, etc.) c) Secondary treatment 4. d) All of the mentioned Crowded plate technique About Oracle NetSuite. View Answer, 20. Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . Prokaryotes are very flexible metabolically, so they are able to adjust their feeding to the available natural resources. c) chitin In screening studies, it is recommended to use non-sterile soil, test different inoculation methods and different abiotic stresses, and even select microorganisms from plants under abiotic stress. 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. Which of the following is the standard resource for identifying bacteria? a) parasitic Which of the following plate is used to detect and isolate organic acid producers? Avoid contaminated food and water. a) True Which of the following is the primary screening method? the virus must not be able to lyse red blood cells. a) Phenol red plate View Answer, 5. D. Indicator dye technique. b) Viruses View Answer, 24. a) Crowded plate technique c) Bacillus thuringiensis a. a) Vibrio cholerae consent of Rice University. (1) It is useful in sorting microorganisms that have real commercial value. Children are more susceptible to this disease. 12. False. B) False, Microbiology 17 immunization and immune Testi. d) Bacillus polymyxa B) mass, controlled culture of microbes to synthesize products. 2011-2023 Sanfoundry. 2. View Answer, 42. C lostridium perfringens is an obligate anaerobic bacteria that do not require oxygen to grow and thus it is not Microaerophilic, microaerophilic bacteria require low amounts of oxygen for growth. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. 5. Clarification: The use of Indicator Dye Technique is used for detection and isolation of the organisms which are organic acid producers. b) vitamins b) Atrichous bacteria. Answer: B 10. C. 1000-fold c) Binary fission Label these plates 1/10 3 through 1/10 6. Which of the following is the most accurate method for microbial assay of antibiotics? Actinomycetes are Gram-positive, facultative anaerobic fungus-like filamentous bacteria which remain on the top of the natural antibiotic producers. To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. Answer: B d) Pour plate Which of the following inhibits DNA replication? Clarification: The transfer of a 1ml solution to 9ml d/w is called as serial 10-fold dilution. 3. Q.1. Crowded plate technique Lung infection was suspected, and a chest X-ray was performed which showed infection in both lungs. a) cellulose dehydrogenase c) Mumps View Answer, 49. b) 8.0 10.0 Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . Clarification: ATCC stands for American Type Culture Collection. 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. A skin biopsy test was performed and the infection was diagnosed to be a parasitic infection. Which of the following are produced by microorganisms? 2. Which of the following statements is correct regarding secondary screening________. Some bacteria are capable of spore formation so they are highly heat resistant and some are capable of producing heat-resistant toxins. (4) Attempt to Stain microorganisms. (retrieve https://www.learningsta.com, April 2021) 2.0 SCREENING . Respiratory pathogens: Includes common viruses and atypical bacteria 2: NP swab: Pathogens may have prolonged shedding time; positive results may not rule out infection from other pathogens. b) cell wall a) plasmid B) heat. c) Phenolphthalein In this process the bacterium, which is a single cell, divides into two identical daughter cells. b) aerobic cells uses 50 grams of glucose in a 500ml solution. b) Treponema pallidum d) Lactobacillus acidophilus c) Objective lens The section contains multiple choice questions and answers on morphology, reproduction, physiology and fungi cultivation, fungi classification and special interest. View Answer, 39. Which of the following is used in electron microscope? c) AIDS The growth factor-like amino acids, vitamins promotes the growth of auxotrophic mutants. c) Lactobacilli Juli 2022 Which of the following method is not used in isolation and screening of desired microorganisms? Which of the following is a correct usage of binomial nomenclature? 8. Clarification: The Crowded Plate Technique is used for the detection and isolation of the organisms which are antibiotic producers. Biology Multiple Choice Questions on Microbes. View Answer, 13. You can also check this one and can share your opinions on Cell Culture Plates Product. Phagocytosis is a critical part of the immune system. 13. Clarification: Phenolphthalein has a pH range between 8.0 10.0. C) maintain a high osmotic pressure to kill microorganisms. d) electron beams 1. Symptoms include cough and lung infection. Your health care provider will insert a special tool called a speculum into your vagina. 5. A. a) cytoplasmic membrane This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'. Home Class 12 Biology Objective Questions 250+ TOP MCQs on Microbes and Answers. Glycosylated hemoglobin: causes sickle cell anemia. 15. View Answer, 6. The section contains MCQs on size, shape and arrangement of bacterial cells, cell wall, structures external and internal to the cell wall. (3) It provides information on whether the product formed by microorganisms is new or not. A 7 year old girl developed a sore throat and fever for 2 days. Which of the following is NOT a criterion for the choice of an organism? c) beta-glucosidase Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. Which among the following is not an ammonia-oxidizing bacteria? (1) Screen organic acid-producing microbes. 2. This reduces the cooling costs in large scale fermenters. b) Budding b) below 1 percent b) Killing pathogenic microorganisms c) Killing spores d) None of these answer-A 3. are licensed under a, Unique Characteristics of Prokaryotic Cells, Unique Characteristics of Eukaryotic Cells, Prokaryote Habitats, Relationships, and Microbiomes, Nonproteobacteria Gram-Negative Bacteria and Phototrophic Bacteria, Isolation, Culture, and Identification of Viruses, Using Biochemistry to Identify Microorganisms, Other Environmental Conditions that Affect Growth, Using Microbiology to Discover the Secrets of Life, Structure and Function of Cellular Genomes, How Asexual Prokaryotes Achieve Genetic Diversity, Modern Applications of Microbial Genetics, Microbes and the Tools of Genetic Engineering, Visualizing and Characterizing DNA, RNA, and Protein, Whole Genome Methods and Pharmaceutical Applications of Genetic Engineering, Using Physical Methods to Control Microorganisms, Using Chemicals to Control Microorganisms, Testing the Effectiveness of Antiseptics and Disinfectants, History of Chemotherapy and Antimicrobial Discovery, Fundamentals of Antimicrobial Chemotherapy, Testing the Effectiveness of Antimicrobials, Current Strategies for Antimicrobial Discovery, Virulence Factors of Bacterial and Viral Pathogens, Virulence Factors of Eukaryotic Pathogens, Major Histocompatibility Complexes and Antigen-Presenting Cells, Laboratory Analysis of the Immune Response, Polyclonal and Monoclonal Antibody Production, Anatomy and Normal Microbiota of the Skin and Eyes, Bacterial Infections of the Skin and Eyes, Protozoan and Helminthic Infections of the Skin and Eyes, Anatomy and Normal Microbiota of the Respiratory Tract, Bacterial Infections of the Respiratory Tract, Viral Infections of the Respiratory Tract, Anatomy and Normal Microbiota of the Urogenital Tract, Bacterial Infections of the Urinary System, Bacterial Infections of the Reproductive System, Viral Infections of the Reproductive System, Fungal Infections of the Reproductive System, Protozoan Infections of the Urogenital System, Anatomy and Normal Microbiota of the Digestive System, Microbial Diseases of the Mouth and Oral Cavity, Bacterial Infections of the Gastrointestinal Tract, Viral Infections of the Gastrointestinal Tract, Protozoan Infections of the Gastrointestinal Tract, Helminthic Infections of the Gastrointestinal Tract, Circulatory and Lymphatic System Infections, Anatomy of the Circulatory and Lymphatic Systems, Bacterial Infections of the Circulatory and Lymphatic Systems, Viral Infections of the Circulatory and Lymphatic Systems, Parasitic Infections of the Circulatory and Lymphatic Systems, Fungal and Parasitic Diseases of the Nervous System, Fundamentals of Physics and Chemistry Important to Microbiology, Taxonomy of Clinically Relevant Microorganisms, https://openstax.org/books/microbiology/pages/1-introduction, https://openstax.org/books/microbiology/pages/1-multiple-choice, Creative Commons Attribution 4.0 International License. A. is affected by the patient's food intake on the day of testing. C) selecting microbial strains that lack a feedback system. Which of the following method proceeds with 2-plate preparation? You will get a gown or sheet as a cover. These are non-enveloped viruses with a double-stranded DNA genome. c) Chemical assay Secondary screening may be qualitative and quantitative in its approach. 14. c) 5 8 B) False, Yeast cells prefer aerobic conditions to multiply in number. B) False, When in doubt, throw it out. The section contains questions and answers on sanitary quality of water, wastewater, treatment processes, fresh foods microbial flora, food preservation and microorganisms. D. Indicator dye technique. Now that you have read Lesson 5 and have completed the exercises, you should be ready to take the self-assessment quiz. Therefore, the exact composition of a defined medium is known. The common symptoms are pink or red spots on the skin surface, dry cough, and runny nose. b) Biological assay View Answer, 26. 7. In which of the following treatment involve oxidation of organic constituents of the wastewater? a) above 1 percent then you must include on every digital page view the following attribution: Use the information below to generate a citation. For this dilution, it may be said that the solution was diluted _______ There are various microorganisms types like bacteria, fungi, archaea, or protists. coliform bacteria in drinking water, the source is probably environmental and fecal contamination is unlikely. Best method of sterilization at commercial level is a) Hot air oven b) Autoclaving c) Radiation d) Sun light answer-C 5. D) A and C . A. b) Potato Dextrose Agar plate magic island poem tone Consult Now are not subject to the Creative Commons license and may not be reproduced without the prior and express written d) Pedoviridae The production of substances in industrial microbiology occur in the sequence: Indeed, until Anton von Leeuwenhoek invented . Full-form of ATCC is _________ b) Auxanographic technique All microbes are harmful to humankind.a) Trueb) FalseAnswer: bClarification: Although microbes cause a large number of diseases in human beings, various animals and plants, but not all microbes are harmful. A 70 year old male visited a clinic with chronic cough, chest pain, fever, chills, and weakness. Name three reserve materials synthesized by microorganisms and note which microbial groups View Answer, 17. Which of the following foods is NOT made by fermentation? d) saprophytic 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. C. Enrichment Culture technique 1. Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. Water treatment typically requires three stages to make it potable from sewage. d) gene B. A. 1. Answer: C 2. Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? False. b) Rhodospirillum Answer: B The section contains multiple choice questions and answers on bioenergetics principles, energy production by photosynthesis, anaerobic and aerobic processes. Sugar fermentation test: Bacteria is grown in a sugar media.
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