c) Enrichment Culture technique View Answer, 28. b) Corticoviridae b) Candida utilis You can also prevent infections through: Hand-washing. The process is repeated several times until the requirement is met. The following diagram shows an adenovirus: ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<, Your email address will not be published. 40) Biochemical tests are a common and conventional laboratory procedure in the differentiation and identification of enteric bacteria. d) The organism must be able to grow in an easily available nutrient medium The section contains questions and answers on energy utilization in biosynthetic and nonbiosynthetic processes, transcription and translation of genetic information and protein synthesis process. a) Algae Which of the following morphological characteristics is an important identification characteristic of. Label these plates 1/10 3 through 1/10 6. Which of the following is not related to microbes?a) Microbes are not ideal for biotechnologyb) Microbes produce chemicals during their metabolismc) Microbes can be grown on artificial mediumd) Microbes can live in highly acidic mediumAnswer: aClarification: Microbes can be grown on artificial cultures media where they form colonies. Multiple Choice. Water and Wastewater Microbiology (Exam Questions) Sulphur can be utilized by bacteria in the a. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . D. Indicator dye technique. c) Psychrophile 5. Contact Us. Prokaryotes can be found everywhere on our planet, even in the most extreme environments. b) cellulose PDF Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi APT test C. Elastase I D. Quantitative fecal fat testing: 6. D. Phenol red. Which of the following dye is colourless at acidic pH and becomes red at basic pH? Primary Screening of Microorganisms: Primary screening may be defined as detection and isolation of the desired microorganism based on its qualitative ability to produce the desired product like antibiotic or amino acid or an enzyme etc. Answer: B Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? Bacteria | What is microbiology? | Microbiology Society b) Gram-positive organisms citation tool such as, Authors: Nina Parker, Mark Schneegurt, Anh-Hue Thi Tu, Philip Lister, Brian M. Forster. b) The organism must be able to produce a high yield of product Answer: B Crowded plate technique 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, 7. c) Phenolphthalein Place 6 test tubes into a rack and fill each with 9ml of 0.9% NaCl solution. A. Phenol red plate Vaccination was invented by ____________ C) new batches of microorganisms are screened for increased yield. Fecal coliform bacteria are a subgroup of total coliform bacteria. consent of Rice University. A. American Type Culture Collection A. Isolation, Characterization, and Screening of Antimicrobial-Producing What is required for proper isolation of microorganisms? PDF Coliform Bacteria and Drinking Water - Washington State Department of 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. Screening of Microorganisms: Primary and Secondary Techniques When examined he said the cough first started about a month ago, he said no other symptoms appeared in the first week, he complained about the loss of appetite due to which he lost some of his body weight. d) American Type Classifier and Collection (4) It separates out only a few microorganisms, only a few have commercial value while discards the valueless microorganisms, 14. D) A and C . 1. It gets its name from the Danish bacteriologist Hans Christian Gram who first introduced it in 1882, mainly to identify organisms causing pneumonia. microbiology mcqs online test / microbiology mcq quiz / microbiology Crowded plate technique 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. c) parasitic infection c) rod shaped Antibiotic producers Aims and objectives. b. d) Malaria D. 6.4 8.0. Therefore, in screening experiments for the selection of PGPM it is necessary to know about the environmental requirements of the target plant and . Here are 1000 MCQs on Microbiology (Chapterwise). Answer: A 9. Answer: 4. 6. View Answer, 19. Microorganisms Class 8 Science Chapter 2 as per NCERT Book used in CBSE and other Schools. 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. The section contains multiple choice questions and answers on viruses, vaccination, structure, composition, viruses classification, virus infection and fatal diseases. a) Styloviridae Trichomonas vaginitis (TV) MCQs Flashcards | Quizlet Bioremediation of polluants utilizing biodegradation abilities of microorganisms include the natural attenuation, although it may be enhanced by engineered techniques, either by addition of selected microorganisms (bioaugmentation) or by biostimulation, where nutrients are added. Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. MCQ Questions for Class 8 Science: Ch 2 Microorganisms: Friend and Foe 8. View Answer, 46. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. b) ribitol residues 7: Isolation of an Antibiotic Producer from soil The section contains multiple choice questions and answers on nutritional requirements, bacteriological media and physical conditions growth. 13. 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) Chlorophycophyta c) Secondary treatment c) Mycobacterium tuberculosis The section contains questions and answers on sanitary quality of water, wastewater, treatment processes, fresh foods microbial flora, food preservation and microorganisms. Disinfection MCQ [Free PDF] - Objective Question Answer for - Testbook 13. A BV test is done in a similar way as a pelvic exam or Pap smear. b) 8.0 10.0 5. View Answer, 8. Full-form of ATCC is _________ a) The organism must be genetically stable The organism must be genetically stable C. 5 8 B) 62.3oC for 30 minutes. (PDF) Screening for Microbes View Answer, 3. a) above 1 percent If you are redistributing all or part of this book in a print format, Phagocytosis is a critical part of the immune system. Screening of Industrially Important Microorganism - Learn Insta c) chitin Note when energy and additional compounds are necessary for any of these mechanisms to operate. Answer: D D) all of the above. 15. View Answer, 17. c) Pour-plate and spread plate (3) It provides information on whether the product formed by microorganisms is new or not. 11. other viruses are too dangerous to work with in a clinical lab setting. Yeast cells are good source of. The screening is isolation and detection of microorganisms of interest. 250+ MCQs on Isolation and Screening of Industrially Important Microbes During the test, You will take off your clothes below your waist. View Answer, 45. a) site of generation of protonmotive force D. 2-fold. d) chitin, cellulose, or hemicellulose Isolation of Microorganisms MCQ Questions and Answers The Microbiology Society has a vision and mission around which we base our strategy. Air Sampling. Methyl red Microbiology MCQ. C) inoculation, fermentation, downstream processing, removal of waste. a) Gram-negative organisms Which of the following method is not used in isolation and screening of desired microorganisms? Which part of the compound microscope helps in gathering and focusing light rays on the specimen to be viewed? 2. Ch. 1 Multiple Choice - Microbiology | OpenStax [1] Infections are common both in community-acquired as well as hospital-acquired settings and treatment remains challenging to manage due to the emergence of multi-drug resistant strains such as MRSA (Methicillin-Resistant Staphylococcus aureus). Pathogen & Spoilage Testing - Sigma-Aldrich a) plasmid A. The organism must be able to produce a high yield of product screening of microorganisms includes mcq - firmenchroniker.de D) exposure. [2] The term for organisms that retain the . screening of microorganisms includes mcq - faktru.news 6. Dec 20, 2022 OpenStax. coliform bacteria in drinking water, the source is probably environmental and fecal contamination is unlikely. the virus must be able to lyse red blood cells. c) Spirochaeta screening of microorganisms includes mcq. ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<. Which of the following plate is used to detect and isolate organic acid producers? The Society's role is to help unlock and harness . Which shape of bacteria has been represented in the following diagram?a) Rod-shapedb) Comma shapedc) Spiral shapedd) Spherical shapedAnswer: aClarification: The following diagram represents rod-shaped bacteria, magnified 1500X. d. using damaged equipment and glassware. What is the fecal test that requires a 3-day specimen? 12. screening of microorganisms includes mcq Microbes and the Tools of Genetic Engineering - Course Hero c) 2.5 to 4 percent View Answer, 3. (2) Chemical, physical and biological properties of a product are also determined during secondary screening. b) teichoic acid screening of microorganisms includes mcq; screening of microorganisms includes mcq. b) Study of animals and their family The well-isolated colonies are antibiotic producers with the zone of inhibition. Self-Assessment Quiz. Salting, as a preservative, To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. Avoid contaminated food and water. You may refer to the lesson text whenever you are unsure of the answer. a) fats Which of the following plate is used to detect and isolate organic acid producers? Often overlooked, hand-washing is one of the easiest and most effective ways to protect yourself from germs and most infections. Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? Our mission is to improve educational access and learning for everyone. d) Coxiella burnetii b) Streak-plate d) Physical assay 8. False. MCQ.8): In which of the following bacterial condition, fimbriae helps the bacteria to stick to the mucous membrane of the host? Microbes are certainly ideal for biotechnology. Which isolation technique is most commonly used for colony isolation in the laboratory? 8. chp 25 microbiology 211 mcq Flashcards | Quizlet View Answer, 24. d) Primary treatment Clarification: ATCC stands for American Type Culture Collection. It belongs to the phthalein family that is employed as an acid-base indicator. c) ribitol or glycerol residues c) Enrichment Culture technique Identify bacteriophage. c. confining long hair and loose clothing . The section contains multiple choice questions and answers on microorganisms characteristics and microbial classification. Which of the following was NOT a kingdom in Linnaeuss taxonomy? 1215, 1216 137, 1217 Particles in a biological aerosol usually vary in size from <1 m to 50 m. A) True 8. Who was the first to observe animalcules under the microscope? b) transposons What are the cell wall structural components of fungi? uses 100 grams of glucose in a 300ml solution. B) False, When in doubt, throw it out. B. Most E. coli bacteria are harmless and are found in great quantities in the intestines of people and warm-blooded animals. D. Amino acid producers. Which of the following method can be used to determine the number of bacteria quantitatively? Which of the following yeast can be used to produce microbial protein? B) False, Yeast cells prefer aerobic conditions to multiply in number. B. Auxanographic technique Which of the following foods is NOT made by fermentation? However, if environmental contamination can enter the system, pathogens could get in too. View Answer, 30. The science of using living systems to benefit humankind is called biotechnology.Technically speaking, the domestication of plants and animals through farming and breeding practices is a type of biotechnology. A) retards growth of Staphylococcus aureus. A) True MCQs Bacteriology (1-10): With Answers and Explanations Answer: C C) alcohol. b) Streptomyces olivaceus The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. Defined media and complex media are two broad classes of culture media used in microbiology. b) Killing pathogenic microorganisms c) Killing spores d) None of these answer-A 3. b) Xanthophycophyta D) prevent mold. PDF Laboratory Methodologies for Bacterial Antimicrobial - Woah This is one of the widely used methods and more important. Q.1. c) Bacillus thuringiensis What are the methods of isolating the pure culture of microorganisms? Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a 1. Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? Clarification: Adenoviruses cause respiratory infections. Includes common viruses, bacteria, and parasites 1,2: Stool sample: Sensitive, certain positive results may be unrelated to active infection. c) Binary fission A. Actinomycetes are Gram-positive, facultative anaerobic fungus-like filamentous bacteria which remain on the top of the natural antibiotic producers. Primary screening of organic acids or amines producing organisms is done by__________, (2) Dye such as neutral red or bromothymol blue is used. 6. Answer: C Which of the following are important primary screening techniques? Wish you the best in your endeavor to learn and master Microbiology! a) Edwin John Butler Microbes can live in highly acidic as well as an alkaline medium. Place the gram of soil into the first tube with saline and SHAKE WELL. 1. Performance and sterility testing of media lots should also be determined and b) Auxanographic technique microscopic with a fried egg shape. B) False, Freezing at below -20 oC will kill most pathogenic food bacteria and inactivate toxins. c) Chlorella Therefore, the exact composition of a defined medium is known. Chapter 2: Classification of Medically important Bacteria MCQs. The section contains MCQs on chemotherapy historical highlights, antibiotics and their actions, microbiological assay of antibiotics, antifungal, antiviral and antitumour antibiotics. 4.0 SECONDARY SCREENING OF MICROORGANISMS . a) True Which of the following is the source of Vitamin A. Which of the following are the growth morphology of the protozoa? a) Crowded plate technique c) An objective with minimum numerical aperture Rhizobium bacteria. Microbiology is the study of : 3. a) Phenol red plate C. perfringens is a spore-forming bacteria, that produce H 2 S and hemolysis on blood agar. c) Spirochetes Which of the following plate is used to detect and isolate organic acid producers? Diagram and name four mechanisms bacteria use to transport materials across the cytoplasmic membrane. Nitrates maintain the red color of preserved meats and a) Streptomyces sp. membranes of microorganisms. b) Budding c) Crick It is important to find and resolve the source of the contamination. View Answer, 14. a) DNA polymerase III C. The optimum temperature for the growth of an organism must be above 50C Clarification: Phenol Red plate is used to detect and isolate organic acid producers. (1) Microbial isolation technique is an attempt to grow microorganisms outside of their natural environment. d) 5 percent 5. a) 1mm in diameter Microbiology is the study of living organisms that are not visible to the naked eyes. Want to cite, share, or modify this book? (1) Optimal temperature for growth, (2) Optimal oxygen requirements, (3) Optimal nutritional needs (4) All of the above. C) maintain a high osmotic pressure to kill microorganisms. Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes. b) light waves Which of the following is a family of lambda phage viruses? B) False, HACCP Hazard Analysis and Critical Control Point uses random samples for quality control of the food supply. The methods for isolation and screening are a crowded plate, auxanography, enrichment culture and use of indicator dyes. Universal aseptic techniques includes, Except a) Gown b) Mask c) Cough Etiquettes d) Hand washing answer-D 4. Background F. Environmental Sampling - Centers for Disease Control and 11. c) neither aerobic and anaerobic cells 12. Secondary screening can give information about, (1) The genetic instability in microbial cultures, (2) Number of products produced in a single fermentation, 8. A) True c) beta-glucosidase C lostridium perfringens is an obligate anaerobic bacteria that do not require oxygen to grow and thus it is not Microaerophilic, microaerophilic bacteria require low amounts of oxygen for growth. b) Clostridium botulinum What is the pH range of Bromophenol blue? The section contains MCQs on size, shape and arrangement of bacterial cells, cell wall, structures external and internal to the cell wall. You will get a gown or sheet as a cover. 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. 14. View Answer, 13. a) Crowded plate technique 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.
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