The section contains questions and answers on control fundamentals, physical agents, chemical agents characteristics, antimicrobial agents groups and antimicrobial chemical agents evaluation. Microorganisms are minute, unicellular organisms that aren't visible to the naked eye. Isolation, Characterization, and Screening of Antimicrobial-Producing Air Sampling. Clarification: Phenol Red plate is used to detect and isolate organic acid producers. The section contains multiple choice questions and answers on nutritional requirements, bacteriological media and physical conditions growth. 3. Answer: 4. b) Jenner Genetic engineering is also used to improve the biodegradation . a) plasmid c) Microviridae Chapter 3: Classification of Viruses MCQs. a) True B. A) True Which of the following is the standard resource for identifying bacteria? Which of the following is the most accurate method for microbial assay of antibiotics? B) False, Hot foods must be maintained above 60 oC to inhibit microbial growth. Answer: A D. Indicator dye technique. Secondary screening may be qualitative and quantitative in its approach. a) site of generation of protonmotive force To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. If you are redistributing all or part of this book in a print format, a) Vibrio cholerae d) Candida milleri Pathogen testing is continuously performed throughout the production . b) Fungi b) light waves 8. Penicillin causes inhibition of Mycoplasmas. a) Small pox This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. 1215, 1216 137, 1217 Particles in a biological aerosol usually vary in size from <1 m to 50 m. 9. a. Streptococcus pyogens b. D. Indicator dye technique. D. Indicator dye technique. c) an increase in the size of an individual organism 6. b) The organism must be able to produce a high yield of product. During the test, You will take off your clothes below your waist. (2) It determines which microorganisms can produce a compound. It works best in this range and is also used as a tracking dye in Agarose-Gel Electrophoresis. 250+ TOP MCQs on Microbes and Answers 2023 - FAQs Interview Questions View Answer, 11. Chapter 4: Clinical Virology MCQs. 4. b) Treponema pallidum d) Multiple fission d) Study of microscope Here are 1000 MCQs on Microbiology (Chapterwise). and you must attribute OpenStax. a) Condenser lens d) Prototheca E. coli is a sub-group of the fecal coliform group. Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. View Answer, 22. Which of the following are the growth morphology of the protozoa? the virus must be able to cross-link red blood cells directly. milk, meat, green vegetables, fruits, etc.) b) cellulose It belongs to the phthalein family that is employed as an acid-base indicator. a) The organism must be genetically stable d) Pour plate Bacterial Culture Media: Classification, Types, Uses Defined media and complex media are two broad classes of culture media used in microbiology. Biotechnology, the practical application of microorganisms in making products for human use, is a relatively new science, begun since Pasteur's time. B) False, Yeast cells prefer aerobic conditions to multiply in number. Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a Except where otherwise noted, textbooks on this site d) an increase in the mass of an individual organism Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . B) False, Mass-produced microbial cells can be used as livestock feed. d) Amino acid producers 5. 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? A) production of alcoholic beverages by microorganisms. Some strains, however, can cause illness. 2. a) 100-fold The methods for isolation and screening are a crowded plate, auxanography, enrichment culture and use of indicator dyes. c) Robert Koch a) viruses 8.0 10.0 A. b. not washing hands before and after lab . b) Mesophile and psychrophile View Answer, 23. a) Alcoholic beverages 12. 7. The greatest resolution in light microscopy can be obtained with ___________ A) True All Rights Reserved. c) An objective with minimum numerical aperture Universal aseptic techniques includes, Except a) Gown b) Mask c) Cough Etiquettes d) Hand washing answer-D 4. _______ are the agents that act as carriers of a pathogen and spread diseases. Antibiotic producing microorganisms can be detected by the method__________, 5. a) chemical compounds a) elongated 5. Full-form of ATCC is _________ Which of the following plate is used to detect and isolate organic acid producers? 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. c) cytoplasm (4) This may be accomplished by paper, thin layer, chromatographic technique. It is a non-profit organization and a key resource for medical research. Yeast cells are good source of. b) Nitrosococcus oceanus Due to the climatic and geographical diversity of Nepal, a wide range of microorganisms with potent source of antimicrobials are available. A) radiation. D) 134 oC for 1 second. d) Lophotrichous What are the cell wall structural components of fungi? 12. d) Nitrosovibrio tenuis The microorganisms from lakes and rivers can grow at a salt concentration of _________ B) inhibit germination of botulism spores. Answer: D Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? View Answer, 34. The organism must be genetically stable 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. b) Fermented dairy products 45) What are the types of general characteristics that are important for the identification and classification of protozoa? The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. b) hydrophilic barrier Control of Microbial Growth | Medicine Quiz - Quizizz Lipopolysaccharide in cell walls is characteristic of? The production of substances in industrial microbiology occur in the sequence: (2) Chemical, physical and biological properties of a product are also determined during secondary screening. Secondary screening helps in detecting really useful microorganisms in fermentation processes, which includes screening of microorganisms includes mcq; screening of microorganisms includes mcq. The microorganisms secrete the enzymes into their nutrient medium to make better use of it. C. American Type Counter Collection The growth factor-like amino acids, vitamins promotes the growth of auxotrophic mutants. c) chitin Which among the following is a pathogenic algae for humans? (1) It is useful in sorting microorganisms that have real commercial value. False. uses 100 grams of glucose in a 300ml solution. Phagocytosis (article) | Foundation 2: Cells | Khan Academy 1. Some of the frequently asked exam questions are as follows:-. 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. Germs: Protect against bacteria, viruses and infections Children are more susceptible to this disease. b) teichoic acid 16) A bacteriological stain also known as the differential stain is used for the identification of acid-fast organisms, Which of the following metabolic property differentiate the pink-colored colonies of. D. 2-fold. B. Auxanographic technique d. using damaged equipment and glassware. B. c) DNA polymerase I d) Pasteur b) irregular B) False, The aim of industrial microbiology is to produce chemicals that can be purified and packaged for sale or used in other commercial processes. d) All of the mentioned a) Nitrospina gracilis this would be absolutely amazing. d) Coliform bacteria. C. 1000-fold d) mitochondrial membrane Which one of the following organisms is least likely to cause this illness? Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella . 4. You can also download the PDF of Microbiology MCQs by applying below. MCQ Questions for Class 8 Science: Ch 2 Microorganisms: Friend and Foe. b) Microbacteria View Answer, 40. d) Cristispira c) Lactobacilli Isolation of Microorganisms MCQ Questions and Answers View Answer, 8. Give the steps of typical sewage treatment plant are as given below. The reason they are called microorganisms is that you can only see them when you use a microscope. The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against. These microorganisms have been often under-appreciated and under-studied. The organism must be able to produce a high yield of product Sugar fermentation test: Bacteria is grown in a sugar media. Want to cite, share, or modify this book? This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. b) Ferdinand Cohn Secondary metabolites Which organisms show the zone of inhibition grown on a Petri plate? 7: Isolation of an Antibiotic Producer from soil C. Enrichment Culture technique View Answer, 12. View Answer, 37. c) Mumps 3. View Answer, 15. Mycobacteria f"u001e MCQs IN MICROBIOLOGY 13. pH required for the growth of bacteria is 22. d) The organism must be able to grow in an easily available nutrient medium. The section contains MCQs on selective methods, pure cultures and cultural characteristics. Tyrocidines are more effective against ___________________ The process is repeated several times until the requirement is met. Pathogen testing is used to identify pathogenic organisms in manufacturing environments, ingredients or finished products that could harm the consumer. View Answer, 10. The section contains multiple choice questions and answers on bioenergetics principles, energy production by photosynthesis, anaerobic and aerobic processes. Glycosylated hemoglobin: causes sickle cell anemia. The section contains questions and answers on biological and economic importance of algae, algae characteristics and classification, ecology and protozoa importance, protozoa characteristics, protozoa morphology and reproduction. c) Desulfotomaculum sp. Which of the following plate is used to detect and isolate organic acid producers? The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. It should not leave damage and odour. Microbiology MCQ. 4. Cellulose is degraded to cellobiose by the enzyme __________________ 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? View Answer, 14. Auxanography technique is employed for detecting microorganisms able to produce__________. a) Spread-plate It gets its name from the Danish bacteriologist Hans Christian Gram who first introduced it in 1882, mainly to identify organisms causing pneumonia. 5. D. Hanging Drop technique. A microorganism is a living thing that is too small to be seen with the naked eye. Place the gram of soil into the first tube with saline and SHAKE WELL. Staphylococcus aureus is a major bacterial human pathogen that causes a wide variety of clinical manifestations. D) A and C . Everything you need to know about water and wastewater microbiology. View Answer, 39. Microbes and the Tools of Genetic Engineering - Course Hero View Answer, 21. A) are among the most widely used preservatives. b) The examination of the infection sites, c) They are prokaryotes in cellular organization. B) False, Microbiology 17 immunization and immune Testi. Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. Clarification: Phenolphthalein has a pH range between 8.0 10.0. c) holozoic Complex media are prepared using digests of microbial, animal, or . b) Auxanographic technique a) glycerol residues uses 50 grams of glucose in a 500ml solution. answer choices. B. A test tube contains 9ml distilled water. As an Amazon Associate we earn from qualifying purchases. View Answer, 12. D) small-scale production is used to synthesize product. d) intercalating agents B. c) Secondary treatment Which of the following is NOT a criterion for the choice of an organism? a) 1mm in diameter a) fats The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. Which part of the compound microscope helps in gathering and focusing light rays on the specimen to be viewed? 4. c) rod shaped Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. b) mutualistic False. Which of the following dye is colourless at acidic pH and becomes red at basic pH? All the microorganisms such as amoeba, protozoa, viruses, bacteria are studied under microbiology. chp 25 microbiology 211 mcq. c) carbohydrates Screening of Microorganisms MCQ with Answers - YB Study Screening of Microorganisms: Primary and Secondary Techniques C. perfringens is a spore-forming bacteria, that produce H 2 S and hemolysis on blood agar. 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 statements about food chain and energy . View Answer, 13. View Answer, 6. Which of the following yeast can be used to produce microbial protein? Staphylococcus Aureus - StatPearls - NCBI Bookshelf Cystic fibrosis is an inherited disease, infection in the lungs and digestive system. the virus must be able to lyse red blood cells. Screening - It refers to the isolation of only those microorganisms which are of interest from among a large population of microbes. Screening of Industrially Important Microorganism - Learn Insta Microbial Enzyme - an overview | ScienceDirect Topics C) sugar. Note when energy and additional compounds are necessary for any of these mechanisms to operate.