Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . View Answer, 6. Clarification: The pH range of Bromophenol blue is 3.0 4.6. Which organisms show the zone of inhibition grown on a Petri plate? 2. View Answer, 8. Which of the following foods is NOT made by fermentation? Which scientist proposed adding a kingdom for protists? Label these plates 1/10 3 through 1/10 6. 6. a. Secondary screening helps in detecting really useful microorganisms in fermentation processes, which includes, (1) Detection and isolation of microorganisms that possess potentially interesting industrial application, (3) It helps in providing information regarding the product yield potentials of different isolates. a) Lactobacillus B. Thymol blue 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. Self-Assessment Quiz. 8. (retrieve https://www.learningsta.com, April 2021) 2.0 SCREENING . b) Killing pathogenic microorganisms c) Killing spores d) None of these answer-A 3. C) use of microbes in sewage and pollution control. A skin biopsy test was performed and the infection was diagnosed to be a parasitic infection. 45) What are the types of general characteristics that are important for the identification and classification of protozoa? Secondary screening helps in detecting really useful microorganisms in fermentation processes, which includes 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. View Answer, 20. 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. Ans: The steps adopted in a typical sewage treatment plant are as given below: ADVERTISEMENTS: c) Cyanobacteria b) Auxanographic technique c) American Type Counter Collection D. Hanging Drop technique. 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. Rickettsia species are carried by. Which of the following plate is used to detect and isolate organic acid producers? d) 2-fold What is the approximate size of the bacterial cell? MCQ Questions for Class 10 Science Our Environment with Answers It is further followed by secondary screening, to check the capabilities and gain information about these organisms. 7. C. Enrichment Culture technique Clarification: Auxanographic technique proceeds with 2-plate preparation. Which among the following is a pathogenic algae for humans? c) Microviridae 2. b) Magnifying lens d) Primary treatment answer choices. 4. C) maintain a high osmotic pressure to kill microorganisms. Microbial Enzyme - an overview | ScienceDirect Topics d) 5 percent 1999-2023, Rice University. Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? chipotle corporate phone number . 1. screening of microorganisms includes mcq 37) Which of the following is the selective media used for the cultivation and isolation of. (1) Microbial isolation technique is an attempt to grow microorganisms outside of their natural environment. 42) Which of the following are the routine diagnostic methods performed for the microbial examination of blood specimens collected from a patient with a high fever for more than 2 days? Answer: B He came with a lesion on the lower part of the left leg that according to him first appeared about a week before visiting the hospital. B) False, Mass-produced microbial cells can be used as livestock feed. a) Cephaleuros For e.g., cellulose producers grow on nutrient medium supplied with cellulose. View Answer, 38. D. Amino acid producers. This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'. C. Phenolphthalein 3. Microorganisms Class 8 Science Chapter 2 as per NCERT Book used in CBSE and other Schools. Which of the following method can be used to determine the number of bacteria quantitatively? All Rights Reserved. C. Enrichment Culture technique A) fermentation, downstream processing, removal of waste, inoculation. 4. Answer: B A routine GTT: is three hours long. The screening is isolation and detection of microorganisms of interest. Fecal coliform bacteria are a subgroup of total coliform bacteria. 100-fold d) Physical assay b) Fermented dairy products C. The optimum temperature for the growth of an organism must be above 50C View Answer, 34. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. Microbial Food Spoilage- Types of microorganisms with examples The microorganisms are chosen based on the rest three criteria. The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against. To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. 2. Which is the secondary stage? 13. c) chitin b) Streptococcus lactis b) RNA polymerase b) Treponema pallidum c) 5 8 screening of microorganisms includes mcq. Creative Commons Attribution License Which of the following is the primary screening method? C) selecting microbial strains that lack a feedback system. Which of the following pulmonary pathogens cannot be easily detected by the gram staining technique when performing a microscopy test? d) Prototheca c) Binary fission c) holozoic 10. d) Rose Bengal Agar plate b) 10-fold Which of the following enzyme removes the RNA primer with its 5-nuclease activity? d) glucose residues Which of the following microorganism has the cocci cell shapes and sizes arranged usually in tetrad structures? microscopic with a fried egg shape. 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. The common symptoms are pink or red spots on the skin surface, dry cough, and runny nose. 11. c) neither aerobic and anaerobic cells d) gene B. 3. It includes the physical processes of screening, comminution, grit removal, and sedimentation. a) Shortest wavelength of visible light used A 24 year old sexually active woman had an infection in the vaginal area with genital discharge while urinating. then you must include on every physical page the following attribution: If you are redistributing all or part of this book in a digital format, c) MacConkeys Agar plate D) removal of waste, inoculation, fermentation, downstream processing. A) True This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. False. 25. a)Microaerophilic. a) Growth Factor producers The presence of E. coli in a drinking water sample almost always indicates recent fecal contamination, meaning there is a greater . Methyl red b) The examination of the infection sites, c) They are prokaryotes in cellular organization. b) Streak-plate b) Budding A) True Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? c) 1000-fold 30 seconds. c) Secondary treatment Isolation, Characterization, and Screening of Antimicrobial-Producing View Answer, 31. The colour of plate changes from red to yellow in the zone of organisms producing organic acid. d) Bacillus polymyxa A 19-year-old male living in a tropical region of India visited the hospital. b) Study of animals and their family 12. They are mainly of two types: Primary and Secondary Screening Primary Screening : The effective screening must in one or few steps which allow the discarding of many valueless microorganisms, while at the . OpenStax is part of Rice University, which is a 501(c)(3) nonprofit. 31) Name the bacteria of the Enterobacteriaceae family that have the following characteristics? Microorganisms - Groups, Characteristics, Importance and Uses - VEDANTU Place 6 test tubes into a rack and fill each with 9ml of 0.9% NaCl solution. b) Thymol blue 10. View Answer. A. B. determined to obtain accurate susceptibility results. Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? d) Phaeophycophyta (1) Its a process for the detection and isolation of microorganisms of our interest. d) Lophotrichous B) are by-products of metabolism that are not important to microbe function. Ch. 1 Multiple Choice - Microbiology | OpenStax The section contains MCQs on size, shape and arrangement of bacterial cells, cell wall, structures external and internal to the cell wall. Crowded plate technique a) False This reduces the cooling costs in large scale fermenters. It should be active and stable and environmentally safe. The greatest resolution in light microscopy can be obtained with ___________ Bacteria MCQ s with Answers | Net Explanations Isolation of Microorganisms MCQ Questions and Answers b) Jenner Which of the following was NOT a kingdom in Linnaeuss taxonomy? 8. C) alcohol. 9. Answer: C The section contains questions and answers on sanitary quality of water, wastewater, treatment processes, fresh foods microbial flora, food preservation and microorganisms. It is 50,000X magnified image of a bacterium. b) Automatic Type Counter & Classifier Which of the following is NOT a criterion for the choice of an organism? d) Candida milleri a) Alcoholic beverages The process is repeated several times until the requirement is met. a) Vibrio cholerae View Answer, 43. It is important to find and resolve the source of the contamination. Universal aseptic techniques includes, Except a) Gown b) Mask c) Cough Etiquettes d) Hand washing answer-D 4. View Answer, 36. c) Study of organisms that are not visible to naked eyes View Answer, 50. View Answer, 5. the virus must be able to lyse red blood cells. Children are more susceptible to this disease. membranes of microorganisms. Answer: A The respiratory chain of bacteria is associated with the _____________ b) coliforms 10-fold b) The organism must be able to produce a high yield of product.
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