9. View Answer, 26. 1. B. Genetic engineering is also used to improve the biodegradation . b) False For this dilution, it may be said that the solution was diluted _______ The process is repeated several times until the requirement is met. a) Crowded plate technique Required fields are marked *. A test tube contains 9ml distilled water. The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme The section contains MCQs on diseases caused by fungi and protozoa, therapeutic drugs for fungal treatment and protozoan diseases. 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? Each daughter cell is a clone of the parent cell. Gram positive bacterial cell wall takes the stain of crystal violet and appears, BIOCHEMISTRY, BIOMEDICINE & PHARMACEUTICS, Classification and identification of microorganisms, Branched Chain Amino Acid Metabolism and Maple Syrup Urine Disease, drugs for the treatment of cardiovascular diseases, MEDICAL MICROBIOLOGY gastrointestinal tract, Nosocomial infection/ hospital acquired infections, Lipid Metabolism: MCQs (Cholesterol, Triglycerides, and Other Lipids), MCQs on Sterilization and Disinfection - Decontamination, aseptic processes in laboratory and hospitals, Carbohydrate Metabolism: MCQ on Glycolysis & Gluconeogenesis. Engineering 2023 , FAQs Interview Questions, on 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers, Fermentation Technology Objective Questions, 300+ TOP MCQs on Database Screening and Screening by Nucleic Acid Hybridisation 1 and Answers, 300+ TOP MCQs on Database Screening and Screening by Nucleic Acid Hybridisation 2 and Answers, 250+ MCQs on Media for Industrial Fermentations Minerals, Growth Factors and Buffers and Answers, 250+ MCQs on Improvement of Industrial Microorganisms and Answers, 250+ TOP MCQs on Vibration Isolation and Transmissibility and Answers, 250+ TOP MCQs on Multiversion Schemes, Snapshot Isolation, 250+ TOP MCQs on Microbes in Industrial Products-3 and Answers, 250+ TOP MCQs on Microbes in Metal Containing Habitat and Answers, [12 Class Notes] MICROBES IN HUMAN WELFARE Biology CBSE, 250+ TOP MCQs on Microbes as Biofertilizers and Answers, 250+ TOP MCQs on Transaction Isolation Levels and Answers, 250+ TOP MCQs on Enzyme Extraction and Isolation Choice of Enzyme Sources and Answers, 250+ MCQs on Microbial Growth Kinetics Batch Culture and Answers, 200+ TOP CELL CULTURES and CHARACTERISTICS Interview Questions and Answers, 200+ TOP Microbiology Of Foods Interview Questions with Answers, 250+ TOP MCQs on Microbes in Industrial Products-2 and Answers, 250+ MCQs on Brewing Yeast Differentiation (Traditional Methods) and Answers, 250+ TOP MCQs on Microbes in Household Products-2 and Answers, 300+ TOP Cell Cultures & Characteristics Objective Questions and Answers, 300+ TOP Microbiology of Foods Objective Questions & Answers. b) Auxanographic technique False. C) inoculation, fermentation, downstream processing, removal of waste. Microbiology MCQ. 6. Answer: A. 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. False. a) Crowded plate technique 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. Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. Primary screening of organic acids or amines producing organisms is done by__________, (2) Dye such as neutral red or bromothymol blue is used. Crowded plate technique 3. a) Styloviridae C. MacConkeys Agar plate 38) All of the following statements are correct about the most common bacteriological media called sheep blood agar that is used in the microbiology laboratory, b) Used for the culture of common fastidious bacteria, c) It is used for the culture of hemolytic bacteria. A) are among the most widely used preservatives. 1. B. You can also prevent infections through: Hand-washing. How do you isolate microorganisms in the air? C) maintain a high osmotic pressure to kill microorganisms. b) Atrichous bacteria. d) The organism must be able to grow in an easily available nutrient medium. d) The organism must be able to grow in an easily available nutrient medium b) Ferdinand Cohn a) Leuconostoc citrovorum b) Fungi b) hydrophilic barrier Answer: B 6. Which of the following method is not used in isolation and screening of desired microorganisms? 10. c) Phenolphthalein The section contains questions and answers on energy utilization in biosynthetic and nonbiosynthetic processes, transcription and translation of genetic information and protein synthesis process. b) vitamins This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. 37) Which of the following is the selective media used for the cultivation and isolation of. View Answer, 29. True. Clarification: Phenolphthalein has a pH range between 8.0 10.0. False. The section contains MCQs on chemotherapy historical highlights, antibiotics and their actions, microbiological assay of antibiotics, antifungal, antiviral and antitumour antibiotics. b) False You will lie on your back on an exam table, with your feet in stirrups. B) False, HACCP Hazard Analysis and Critical Control Point uses random samples for quality control of the food supply. 8. The section contains MCQs on phages structure and morphology, bacterial viruses replication, lysogeny and lytic. View Answer. 14. It is a non-profit organization and a key resource for medical research. Types of pathogens include specific bacteria strains, viruses, fungi, or parasites that can cause illness in its host. d) Physical assay As primary screening allows the detection and isolation of microorganisms which posses, potentially interesting industrial applications. c) Chlorella Which of the following foods is NOT made by fermentation? This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. c) Bacillus thuringiensis d) cathode rays The section contains questions and answers on diseases caused by staphylococcus, streptococcus, corynebacterium, aerobic and anaerobic gram, viruses containing single and double stranded dna. Clean and disinfect surfaces that are touched often. The section contains questions and answers on cell division modes, bacteria growth cycle and quantitative measurement. D. Hanging Drop technique. Which of the following microorganism produces dextran? 4.1: Prokaryote Habitats, Relationships, and Microbiomes. Crowded plate technique 3. View Answer, 22. View Answer, 12. Gram negative bacteria take the color of safranin stain and appear pink or red. 11. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. D) starch. Which of the following types of microorganisms is photosynthetic? a) cytoplasmic membrane Staphylococcus aureus is a major bacterial human pathogen that causes a wide variety of clinical manifestations. Sulphates are reduced to hydrogen sulphide by _____________________ B. Auxanographic technique 13. b) Auxanographic technique d) intercalating agents Want to cite, share, or modify this book? b) teichoic acid Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella pneumoniae. Growth Factor producers c) parasitic infection Which is the secondary stage? c) An objective with minimum numerical aperture the virus must be able to lyse red blood cells. D) all of the above. Place the gram of soil into the first tube with saline and SHAKE WELL. b) an increase in number of cells a) 3.0 4.6 Screening includes primary screening and secondary screening. View Answer, 24. 1g of soil is added to that test tube and the soil is allowed to settle down. A food chain comprising birds, green plants, fish and man. Which of the following is NOT a domain in Woese and Foxs phylogenetic tree? View Answer, 6. 7. B) inoculation, downstream processing, fermentation, removal of waste. Clarification: Hanging drop technique is used for motility testing of bacteria. The microorganisms from lakes and rivers can grow at a salt concentration of _________ Set up a series of 1/10 dilutions: a. C. 5 8 a) Shortest wavelength of visible light used C. Enrichment Culture technique Which of the following is NOT a criterion for the choice of an organism? What is the pH range of Bromophenol blue? Which of the following is the most accurate method for microbial assay of antibiotics? lauren conrad and stephen colletti /; 2. B. Auxanographic technique c) Crick Antibiotic producing microorganisms can be detected by the method__________, 5. 4. 2. These extracellular enzymes break up the giant molecules of the substrate into smaller ones that can feed the microorganisms. Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a Glycolysis can occur in ___________ 1. (2) It determines which microorganisms can produce a compound. Secondary screening helps in detecting really useful microorganisms in fermentation processes, which includes c) ribitol or glycerol residues The 1st plate is used to isolate and detect prototrophs whereas 2nd plate is used for identification of auxotrophs. Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite. 6. The bacterial cell then elongates and splits into two daughter cells each with identical DNA to the parent cell. For which viral disease, vaccine has been recently developed through the use of tissue culture? 44) Which of the following microorganisms can grow only as strict intracellular parasites? a) True 14. Which of the following statements about food chain and energy . c) 5 8 Urinary tract infection was suspected, urine sample and swab specimen were taken and cultured on suitable agar media, a microscopic examination was performed. Which of the following enzyme removes the RNA primer with its 5-nuclease activity? consent of Rice University. Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? It is done by using paper, thin layer or other chromatographic techniques. It is 50,000X magnified image of a bacterium. D. Phenol red. milk, meat, green vegetables, fruits, etc.) c) Mumps The serial dilutions of soil are performed and spread on a Petri plate and allowed to grow. Bacteria do not grow at a water activity level below 0.91 and require neutral pH (6.5-7) to cause food spoilage (e.g. If you are redistributing all or part of this book in a print format, b) Advanced treatment A) True 9. View Answer, 47. You can also download the PDF of Microbiology MCQs by applying below. It is done by using paper, thin layer or other chromatographic techniques. D. Rose Bengal Agar plate. Name three reserve materials synthesized by microorganisms and note which microbial groups The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. Easy detection of the small percentage of useful microorganism. b) irregular Which of the following dye is colourless at acidic pH and becomes red at basic pH? (1) Screen organic acid-producing microbes. Which of the following gram positive bacteria is a strict anaerobe and can only grow in the absence of oxygen? Mycobacteria f"u001e MCQs IN MICROBIOLOGY 13. pH required for the growth of bacteria is 22. a) Cyanobacteria, Fungi and Viruses [2] The term for organisms that retain the . 1. B. 5. A) True a) 100-fold 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. Here are 1000 MCQs on Microbiology (Chapterwise), The Characterization, Classification and Identification of Microorganisms, The Microscopic Examination of Microorganisms, The Morphology and Fine Structure of Bacteria, Pure Cultures and Cultural Characteristics, Microbial Metabolism : Utilization of Energy and Biosynthesis, The Control of Microorganisms by Physical & Chemical Agents, Antibiotics and Other Chemotherapeutic Agents, Microbiology of Soil & Aquatic Microbiology, Microbiology of Domestic Water and Wastewater, Microbiology of Food, Industrial Microbiology & Bacterial Genetics, Microbial Flora of the Healthy Human Host, Host-Microbe Interactions : The Process of Infection, Microbial Agents of Disease : Bacteria & Viruses, Microbial Agents of Disease : Fungi and Protozoa, Microbiology MCQ: Major Characteristics of Microorganisms, Microbiology MCQ: Microbial Classification, Microbiology MCQ: Transmission Electron Microscope and Scanning Electron Microscope, Microbiology MCQ: The Size, Shape and Arrangement of Bacterial Cells, Microbiology MCQ: Structures External to the Cell Wall, Microbiology MCQ: Structures Internal to the Cell Wall, Microbiology MCQ: Nutritional Requirements, Microbiology MCQ: Physical Conditions Required for Growth, Microbiology MCQ: Reproduction Modes of Cell Division, Microbiology MCQ: Growth Cycle of Bacteria, Microbiology MCQ: Quantitative Measurement of Bacterial Growth, Microbiology MCQ: Cultural Characteristics, Microbiology MCQ: Some Principles of Bioenergetics, Microbiology MCQ: Energy Production by Anaerobic Processes, Microbiology MCQ: Energy Production by Aerobic Processes, Microbiology MCQ: Energy Production by Photosynthesis, Microbiology MCQ: Utilization of Energy in Nonbiosynthetic Processes, Microbiology MCQ: Utilization of Energy in Biosynthetic Processes, Microbiology MCQ: The Biosynthesis of Deoxyribonucleic Acid, Microbiology MCQ: Transcription and Translation of Genetic Information, Microbiology MCQ: The Process of Protein Synthesis, Microbiology MCQ: Aerobic Gram Negative Rods and Cocci, Microbiology MCQ: Facultatively Anaerobic Gram Negative Rods, Microbiology MCQ: Anaerobic Gram-Negative Straight, Curved and Helical Rods, Microbiology MCQ: The Rickettsias and Chlamydias, Microbiology MCQ: Endospore Forming Gram Positive Bacteria, Microbiology MCQ: Nonspore Forming Gram Positive Bacteria, Microbiology MCQ: Physiology and Cultivation of Fungi, Microbiology MCQ: Classification of Fungi, Microbiology MCQ: Some Fungi of Special Interest, Microbiology MCQ: The Biological and Economic Importance of Algae, Microbiology MCQ: Characteristics of Algae, Microbiology MCQ: Classification of Algae, Microbiology MCQ: Ecology and Importance of Protozoa, Microbiology MCQ: Reproduction of Protozoa, Microbiology MCQ: Characteristics of Some Major Groups of Protozoa, Microbiology MCQ: Morphology and Structure of Phages, Microbiology MCQ: Replication of Bacterial Viruses, Microbiology MCQ: Viruses and Vaccination, Microbiology MCQ: Structure and Composition, Microbiology MCQ: Classification of Viruses, Microbiology MCQ: Virus Infection and Fatal Diseases Associated with Viruses in Animals, Microbiology MCQ: Fundamentals of Control, Microbiology MCQ: Characteristics and Definition of Chemical Agents, Microbiology MCQ: Major Groups of Antimicrobial Agents, Microbiology MCQ: Evaluation of Antimicrobial Chemical Agents, Microbiology MCQ: Historical Highlights of Chemotherapy, Microbiology MCQ: Antibiotics and their Mode of Action, Microbiology MCQ: Microbiological Assay of Antibiotics, Antifungal, Antiviral and Antitumour Antibiotics, Microbiology MCQ: Interactions Among Soil Microorganisms, Microbiology MCQ: The Carbon Cycle & Sulphur Cycle, Microbiology MCQ: The Aquatic Environment, Microbiology MCQ: Distribution and Techniques for the Study of Aquatic Microorganisms, Microbiology MCQ: Productivity of Aquatic Microorganisms, Microbiology MCQ: Determining Sanitary Quality of Water, Microbiology MCQ: Wastewater and Treatment Processes, Microbiology MCQ: Microbial Flora of Fresh Foods, Microbiology MCQ: Microorganisms and Industry, Microbiology MCQ: Industrial Uses of Bacteria, Microbiology MCQ: Industrial Uses of Yeasts, Microbiology MCQ: Industrial Uses of Molds, Microbiology MCQ: Bacterial Recombination, Microbiology MCQ: Bacterial Transformation, Microbiology MCQ: Normal Flora and the Human Host, Microbiology MCQ: Distribution and Occurrence of the Normal Flora, Microbiology MCQ: Penetration of Epithelial Cell Layers, Microbiology MCQ: Events in Infection Following Penetration, Microbiology MCQ: Microbial Virulence Factors, Microbiology MCQ: Diseases Caused by Aerobic and Anaerobic Gram Negative Rods, Microbiology MCQ: Diseases Caused by Staphylococcus, Streptococcus and Bacillus, Microbiology MCQ: Diseases Caused by Clostridium, Corynebacterium and Mycobacterium, Microbiology MCQ: Viruses Containing Single Stranded RNA, Microbiology MCQ: Viruses Containing Double Stranded DNA, Microbiology MCQ: Diseases Caused by Fungi, Microbiology MCQ: Diseases Caused by Protozoa, Microbiology MCQ: Therapeutic Drugs for Treatment of Fungal and Protozoan Diseases, Environmental Biotechnology MCQ Questions, 1000 Data Structures & Algorithms II MCQs, 50k Electronics & Communication Engg MCQs.
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