A. Due to the climatic and geographical diversity of Nepal, a wide range of microorganisms with potent source of antimicrobials are available. Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite. View Answer, 42. The respiratory chain of bacteria is associated with the _____________ a) Leuconostoc mesenteroides d) gene screening of microorganisms includes mcq; screening of microorganisms includes mcq. 10. Which of the following is a correct usage of binomial nomenclature? c) Enrichment Culture technique b) hexokinase The section contains MCQs on phages structure and morphology, bacterial viruses replication, lysogeny and lytic. Biology Multiple Choice Questions on Microbes. a) Micrococci Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. b) Automatic Type Counter & Classifier It should not leave damage and odour. Identification of bacteria by biochemical tests. d) Thermophile View Answer, 4. Potato Dextrose Agar plate c) Enrichment Culture technique MCQ Questions for Class 8 Science: Ch 2 Microorganisms: Friend and Foe. Juli 2022 7. b) Streptomyces olivaceus APT test C. Elastase I D. Quantitative fecal fat testing: 6. Which of the following microorganism produces dextran? c) rod shaped As an Amazon Associate we earn from qualifying purchases. 26. a) Crowded plate technique A 7 year old girl developed a sore throat and fever for 2 days. a) plasmid A) True Pathogen testing is used to identify pathogenic organisms in manufacturing environments, ingredients or finished products that could harm the consumer. B) False, Mass-produced microbial cells can be used as livestock feed. c) Nitrosomonas europaea View Answer, 32. b) RNA polymerase C. American Type Counter Collection 8. d) both aerobic and anaerobic cells Cellulose is degraded to cellobiose by the enzyme __________________ a) Phenol red plate 5. View Answer, 10. A. Phenol red plate Secondary screening can give information about, (1) The genetic instability in microbial cultures, (2) Number of products produced in a single fermentation, 8. Water treatment typically requires three stages to make it potable from sewage. A) True View Answer, 19. Which of the following types of mutants can be isolated using the replica plate technique? a) 100-fold Answer: 1. d) Indicator dye technique 5. 12. Which of the following is a prokaryotic microorganism? coliform bacteria in drinking water, the source is probably environmental and fecal contamination is unlikely. 9. View Answer, 25. The Society's role is to help unlock and harness . Microbiology MCQ. It is the zone where only the growth of a particular colony is observed whereas rest all colonies get degraded by antibiotics. Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. View Answer, 13. 3. Has two nuclei C. Forms cysts D. Has a sucking disc E. Survives well in ordinary water, even when this is hot or contains chlorine or detergents, Flagellate parasite is the cause of vulvovaginitis in women in . This quiz is designed to help you assess how well you have learned the content of this lesson. Diagram and name four mechanisms bacteria use to transport materials across the cytoplasmic membrane. Crowded plate technique The screening is isolation and detection of microorganisms of interest. b) Auxanographic technique then you must include on every digital page view the following attribution: Use the information below to generate a citation. It is colourless at pH 8.0 and becomes red at pH above 10.0. c) Lactobacilli Secondary metabolites A routine GTT: is three hours long. This is one of the widely used methods and more important. Answer: A View Answer, 30. View Answer, 28. It changes from yellow at pH 3.0 to blue-violet at pH 4.6. What is the average size of a microbe?a) Less than 1 mmb) More than 1 cmc) Less than 0.1 mmd) More than 0.1 mmAnswer: cClarification: Microbes are microorganisms which have a size less than 0.1 mm. requires five blood samples . 6. c) 5 8 5. The following diagram shows an adenovirus: ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<, Your email address will not be published. b) below 1 percent Best method of sterilization at commercial level is a) Hot air oven b) Autoclaving c) Radiation d) Sun light answer-C 5. The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against. 3. Which of the following foods is NOT made by fermentation? Which of the following method proceeds with 2-plate preparation? Crowded plate technique a) S mallpox It includes the physical processes of screening, comminution, grit removal, and sedimentation. 11. Which of the following method is not used in isolation and screening of desired microorganisms? d) Physical assay D. American Type Classifier and Collection. b) Jenner A. b) Syphilis 3.0 4.6 In the following diagram, what does the question mark represent?a) Ciliab) Flagellac) Haird) PseudopodiaAnswer: b 6. c) holozoic B. Indeed, until Anton von Leeuwenhoek invented . b) Microbacteria Which of the following is not microbe?a) Bacteriab) Protozoac) Viroidsd) WormsAnswer: dClarification: Microbes are diverse in nature and include- protozoa, bacteria, fungi and microscopic animal and plant viruses, viroids and also prions that are proteinaceous infectious agents. 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, In modern plants the screens are cleaned . C. 5 8 d) Cristispira Sulphur can be utilized by bacteria in the a. Microbes like bacteria and many fungi can be grown on nutritive media to form colonies, that can be seen with naked eyes. a) Crowded plate technique View Answer, 12. 7. d) DNA polymerase II Study with Quizlet and memorize flashcards containing terms like Which of the following is true about the trichomonas vaginalis? The section contains MCQs on chemotherapy historical highlights, antibiotics and their actions, microbiological assay of antibiotics, antifungal, antiviral and antitumour antibiotics. D. Phenol red. Clarification: Phenol Red plate is used to detect and isolate organic acid producers. 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. Secondary screening can give information about (1) The genetic instability in microbial cultures (2) Number of products produced in a single fermentation (3) The structure of the product (4) All of the above. c) Cyanobacteria 2. Which of the following is the example of encapsulated gram-positive bacteria? c) Chlorophycophyta magic island poem tone Consult Now a) Leuconostoc citrovorum C. Enrichment Culture technique Answer: 4. d) All of the mentioned 5. (3) Attempt to synthesized secondary metabolites outside of their natural environment. 11. Answer: B 250+ TOP MCQs on Microbes in Industrial Products-4 and Answers, 300+ TOP MCQs on Microbes in Human Welfare and Answers, 250+ TOP MCQs on Microbes in Household Products-1 and Answers, 250+ TOP MCQs on Microbes in Production of Biogas and Answers, 250+ TOP MCQs on Microbes in Household Products-2 and Answers, 250+ TOP MCQs on Microbes in Industrial Products-3 and Answers, 250+ TOP MCQs on Microbes in Sewage Treatment and Answers, 250+ TOP MCQs on Microbes in Industrial Products-1 and Answers, 250+ TOP MCQs on Microbes in Industrial Products-2 and Answers, 250+ TOP MCQs on Microbes as Biofertilizers and Answers, [12 Class Notes] MICROBES IN HUMAN WELFARE Biology CBSE, 250+ TOP MCQs on Microbes as Biocontrol Agents and Answers, 250+ TOP MCQs on Microbes in Metal Containing Habitat and Answers, 250+ TOP MCQs on Microbes in Bioleaching Process and Answers, 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers, 300+ TOP MCQs on Bioremediation and Answers, 250+ TOP MCQs on Heat Transfer Applications Thermal Processing and Answers, 250+ TOP MCQs on Environmental Issues Water Pollution and its Control and Answers, 250+ TOP MCQs on Biotechnology Applications Ethical Issues and Answers, 250+ TOP MCQs on Hydraulic Fracturing Frac Job Design and Answers. a) Crowded plate technique Phagocytosis is a critical part of the immune system. The section contains multiple choice questions and answers on nutritional requirements, bacteriological media and physical conditions growth. If you are redistributing all or part of this book in a print format, (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. Engineering 2023 , FAQs Interview Questions. It gets its name from the Danish bacteriologist Hans Christian Gram who first introduced it in 1882, mainly to identify organisms causing pneumonia. b) teichoic acid 4. Which of the following plate is used to detect and isolate organic acid producers? a) anaerobic cells Clarification: Adenoviruses cause respiratory infections. c) Spirochaeta 4. Clarification: The Auxanographic technique is used for the detection and isolation of the organisms which are growth factor producers. View Answer, 11. c) base analog 10-fold Glycolysis can occur in ___________ Which among the following is not an ammonia-oxidizing bacteria? Q. Bacterial endospores are more resistant to antimicrobial control methods than all other microbial forms. citation tool such as, Authors: Nina Parker, Mark Schneegurt, Anh-Hue Thi Tu, Philip Lister, Brian M. Forster. The objective of this study was to isolate, identify, and screen the potential antimicrobial-producing . 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? What is the name of the procedure performed under sterile conditions to eliminate Easy detection of the small percentage of useful microorganism. a. Streptococcus pyogens b. It is done by using paper, thin layer or other chromatographic techniques. Prokaryotes are unicellular microorganisms whose cells have no nucleus. Which of the following is used in electron microscope? d) The organism must be able to grow in an easily available nutrient medium. Vaccination was invented by ____________ 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. a) 1mm in diameter Clarification: The pH range of Bromophenol blue is 3.0 4.6. 4. 2. For this dilution, it may be said that the solution was diluted _______ View Answer, 14. ticks and fleas. The section contains MCQs on size, shape and arrangement of bacterial cells, cell wall, structures external and internal to the cell wall. a) Mesophile c) fecal streptococci b) Rabies Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. c) AIDS b) Rhodospirillum The section contains questions and answers on control fundamentals, physical agents, chemical agents characteristics, antimicrobial agents groups and antimicrobial chemical agents evaluation. Want to cite, share, or modify this book? View Answer, 8. Crowded plate technique Air Sampling. [2] The term for organisms that retain the . 9. Binary fission begins when the DNA of the bacterium divides into two (replicates). a) cytoplasmic membrane Clarification: The use of Indicator Dye Technique is used for detection and isolation of the organisms which are organic acid producers. 1. Which of the following is NOT a criterion for the choice of an organism? Actinomycetes are Gram-positive, facultative anaerobic fungus-like filamentous bacteria which remain on the top of the natural antibiotic producers. It is used to reduce the dense culture of cells to usable concentration. The normal composition of feces includes all of the following except: A. Bacteria B. The bacterium Staphylococcus aureus is which type of bacteria? Clarification: The Enrichment culture technique is useful for the detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium. 4.0 SECONDARY SCREENING OF MICROORGANISMS . C. Enrichment Culture technique The principal microorganism for yogurt is ______________________ Defined media and complex media are two broad classes of culture media used in microbiology. Secondary screening may be qualitative and quantitative in its approach. 1. Which of the following is not a subfield of microbiology? b) Nitrosococcus oceanus d) Study of microscope 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. b) Clostridium botulinum Tyrocidines are more effective against ___________________ d) bacterial infection View Answer, 41. Biotechnology, the practical application of microorganisms in making products for human use, is a relatively new science, begun since Pasteur's time. View Answer, 20. 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? screening of microorganisms includes mcqwarning signs for a deteriorating patient with covid 19 infection 2022.07.03 18:36 18:36 a) Spread-plate Cystic fibrosis is an inherited disease, infection in the lungs and digestive system. Which isolation technique is most effective? Wish you the best in your endeavor to learn and master Microbiology! Answer: A Each daughter cell is a clone of the parent cell. Chapter 2: Classification of Medically important Bacteria MCQs. 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 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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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