Secondary screening may be qualitative and quantitative in its approach. c) 5 8 d) chitin, cellulose, or hemicellulose B. 4. Which of the following is used in electron microscope? a) Edwin John Butler Therefore, the exact composition of a defined medium is known. C. Enrichment Culture technique answer choices. A 24 year old sexually active woman had an infection in the vaginal area with genital discharge while urinating. View Answer, 37. is affected by the patient's food intake on the day of testing. 1g of soil is added to that test tube and the soil is allowed to settle down. Which of the following method can be used to determine the number of bacteria quantitatively? A 70 year old male visited a clinic with chronic cough, chest pain, fever, chills, and weakness. For this dilution, it may be said that the solution was diluted _______ Identification of bacteria by biochemical tests. View Answer, 49. Answer: 4. A. Which of the following foods is NOT made by fermentation? d) both aerobic and anaerobic cells Which was the first disease for which a chemotherapeutic agent was used? Includes common viruses, bacteria, and parasites 1,2: Stool sample: Sensitive, certain positive results may be unrelated to active infection. 6. d) DNA polymerase II Which of the following is the most accurate method for microbial assay of antibiotics? uses 100 grams of glucose in a 300ml solution. d) Antoni van Leeuwenhoek Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? Full-form of ATCC is _________. d) Indicator dye technique 10. B) False, Freezing at below -20 oC will kill most pathogenic food bacteria and inactivate toxins. MCQ.8): In which of the following bacterial condition, fimbriae helps the bacteria to stick to the mucous membrane of the host? In the following diagram, what does the question mark represent?a) Ciliab) Flagellac) Haird) PseudopodiaAnswer: b c) an increase in the size of an individual organism Salting, as a preservative, View Answer, 40. c) Lactobacilli (PDF) Mcqs in microbiology | Mohammed Bilal - Academia.edu Aims and objectives. Microorganism - Definition, Types, Examples & Quiz - Biology Dictionary a) Crowded plate technique b) gamma rays 15. 45) What are the types of general characteristics that are important for the identification and classification of protozoa? D) are harvested during the exponential phase of growth. Wish you the best in your endeavor to learn and master Microbiology! pH, cations, thymidine or thymine, use of supplemented media). b) Fermented dairy products It changes from yellow at pH 3.0 to blue-violet at pH 4.6. D) exposure. View Answer, 3. 3. then you must include on every digital page view the following attribution: Use the information below to generate a citation. B) False, Yeast cells prefer aerobic conditions to multiply in number. 10. Microbiology is the study of : 3. View Answer, 14. 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. requires five blood samples . What is required for proper isolation of microorganisms? Microscopic examination and culture of the sputum sample revealed gram-positive cocci that appear in chains. Each daughter cell is a clone of the parent cell. View Answer, 43. d) Lactobacillus acidophilus View Answer, 25. c) Saccharomyces cerevisiae Water and Wastewater Microbiology (Exam Questions) C. Phenolphthalein Microbiology is the study of living organisms that are not visible to the naked eyes. View Answer, 26. You will lie on your back on an exam table, with your feet in stirrups. c) Psychrophile d) 2 micrometer in diameter c. Let the soil particles settle after shaking and then transfer 1ml of the solution into tube 2. coliform bacteria in drinking water, the source is probably environmental and fecal contamination is unlikely. 6. B) False, Hot foods must be maintained above 60 oC to inhibit microbial growth. b) Treponema pallidum A. d) electron beams Place the gram of soil into the first tube with saline and SHAKE WELL. View Answer, 8. a) Chemical and biological assay Screening of Industrially Important Microorganism - Learn Insta b) RNA polymerase 3. d) Indicator dye technique During their metabolism, microbes produce chemicals, some of which are used by human beings. c) Enrichment Culture technique B) inoculation, downstream processing, fermentation, removal of waste. Rickettsia species are carried by. Which of the following microorganism has the cocci cell shapes and sizes arranged usually in tetrad structures? The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. Dec 20, 2022 OpenStax. screening of microorganisms includes mcq. c) Pour-plate and spread plate 4.E: Prokaryotic Diversity (Exercises) - Biology LibreTexts They block floating debris such as wood, rags, and other bulky objects that could clog pipes or pumps. screening of microorganisms includes mcq - faktru.news 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. Bacteria having clusters of flagella at both poles of cells are known as? b) Borrelia c) Study of organisms that are not visible to naked eyes The microorganisms secrete the enzymes into their nutrient medium to make better use of it. B. Auxanographic technique Which of the following bacteria is an endospore-forming bacteria that is also a common foodborne pathogen? 30 seconds. View Answer, 20. d) Physical assay Phosphorus is essential component of __________ d) Lophotrichous d) Candida milleri 5. Which of the following method is used for the isolation of mutants? b) teichoic acid b) Jenner Fermentation Technology Questions on Isolation and Screening of Industrially Important Microbes. Required fields are marked *. View Answer, 9. d) Coliform bacteria. It should be active and stable and environmentally safe. d) Bacillus polymyxa d) cellulase b) Automatic Type Counter & Classifier Which of the following method is not used in isolation and screening of desired microorganisms? C) 72 oC for 15 seconds. c) Enrichment Culture technique It is the organization which has the largest department of Research and Development. screening of microorganisms includes mcq - firmenchroniker.de As an Amazon Associate we earn from qualifying purchases. Which of the following method proceeds with 2-plate preparation? For this dilution, it may be said that the solution was diluted _______ b) Streptomyces olivaceus 7. Microorganism Definition. Screening - It refers to the isolation of only those microorganisms which are of interest from among a large population of microbes. The section contains questions and answers on cell division modes, bacteria growth cycle and quantitative measurement. B) mass, controlled culture of microbes to synthesize products. 6. View Answer, 18. c) Streptococcus thermophilus False. D) all of the above. 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. Auxanography technique is employed for detecting microorganisms able to produce__________. Clarification: Phenol Red plate is used to detect and isolate organic acid producers. Types of pathogens include specific bacteria strains, viruses, fungi, or parasites that can cause illness in its host. 5. c) nucleotides Some bacteria are capable of spore formation so they are highly heat resistant and some are capable of producing heat-resistant toxins. Microbiology Question Bank PDF book covers problem solving exam tests from microbiology textbook and practical book's chapters as: Chapter 1: Basic Mycology MCQs. Which of the following is the source of Vitamin A. microbiology mcqs online test / microbiology mcq quiz / microbiology A. Sulphates are reduced to hydrogen sulphide by _____________________ If you are redistributing all or part of this book in a print format, View Answer. Which of the following inhibits DNA replication? B) False, Mass-produced microbial cells can be used as livestock feed. Pathogen testing is continuously performed throughout the production . Identify bacteriophage. True b) Nitrosococcus oceanus It should have a fast rate of kill of micro-organisms. 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. d) hydrophobic barrier and site of generation of protonmotive force d) American Type Classifier and Collection Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes. 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. 1. D) A and C . b) Rabies Which of the following microorganism is eliminated in canned foods? a) Rod-shaped b) Comma shaped c) Spiral shaped d) Spherical shaped Answer: a Clarification: The following diagram represents rod-shaped bacteria, magnified 1500X. Indeed, until Anton von Leeuwenhoek invented . It will immensely help anyone trying to crack an exam or an interview. a) Lactobacillus (3) It does not provide many ideas about the production or yield potential of microorganisms. d) Indicator dye technique 15. 250+ TOP MCQs on Microbes and Answers 2023 - FAQs Interview Questions b) cellulose Growth Factor producers D. Indicator dye technique. 3. Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. Staphylococcus aureus is a major bacterial human pathogen that causes a wide variety of clinical manifestations. Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? The section contains MCQs on diseases caused by fungi and protozoa, therapeutic drugs for fungal treatment and protozoan diseases. d) Phaeophycophyta Yeast cells are good source of. The section contains questions and answers on light microscope, microbial Stains, transmission and scanning electron microscope. Due to the climatic and geographical diversity of Nepal, a wide range of microorganisms with potent source of antimicrobials are available. 1. Now that you have read Lesson 5 and have completed the exercises, you should be ready to take the self-assessment quiz. A. other viruses are too dangerous to work with in a clinical lab setting. 2. D. The organism must be able to grow in an easily available nutrient medium. 7. Secondary metabolites B. D) small-scale production is used to synthesize product. Tyrocidines are more effective against ___________________ d) Coliforms Q. Q.1: Screening of microorganisms includes . b) below 1 percent 13. True Chapter 4: Clinical Virology MCQs. c) Spirochaeta Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . False. Cystic fibrosis is an inherited disease, infection in the lungs and digestive system. c) holozoic A) True Which of the following is not a subfield of microbiology? Which of the following gram positive bacteria is a strict anaerobe and can only grow in the absence of oxygen? 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 . Note when energy and additional compounds are necessary for any of these mechanisms to operate. 7. 31) Name the bacteria of the Enterobacteriaceae family that have the following characteristics? All of the above. a) Leuconostoc citrovorum It is colourless at pH 8.0 and becomes red at pH above 10.0.
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