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screening of microorganisms includes mcq

Except where otherwise noted, textbooks on this site uses 50 grams of glucose in a 500ml solution. [2] The term for organisms that retain the . d) Pour plate Methyl red screening of microorganisms includes mcq - firmenchroniker.de PDF Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi Which of the following method is not used in isolation and screening of desired microorganisms? 7. About Oracle NetSuite. View Answer, 6. Chemical preservatives do NOT include membranes of microorganisms. Microorganism Definition. The presence of E. coli in a drinking water sample almost always indicates recent fecal contamination, meaning there is a greater . b) Clostridium botulinum 30 seconds. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. 5. 3. Bacteria | What is microbiology? | Microbiology Society 15. 3. A) True 1215, 1216 137, 1217 Particles in a biological aerosol usually vary in size from <1 m to 50 m. b) Auxanographic technique Which of the following method can be used to determine the number of bacteria quantitatively? b) Mesophile and psychrophile Several microbes are useful to humans in diverse ways like in household products, industrial products, agricultural products, etc. What is the fecal test that requires a 3-day specimen? 4.0 SECONDARY SCREENING OF MICROORGANISMS . View Answer, 7. d) Pedoviridae a) Phenol red 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. Place 6 test tubes into a rack and fill each with 9ml of 0.9% NaCl solution. a) Streptomyces sp. Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. Which among the following is not an ammonia-oxidizing bacteria? Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? D) small-scale production is used to synthesize product. d) glucose residues Study with Quizlet and memorize flashcards containing terms like Which of the following is true about the trichomonas vaginalis? 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? Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. PDF Laboratory Methodologies for Bacterial Antimicrobial - Woah b. Litmus milk test: When bacteria is grown in this medium, there may be the production of acids or alkali or even no change in pH. Antibiotic producers Clarification: The question mark in the following figure represents flagella of a rod-shaped bacterium. Frontiers | Successful Plant Growth-Promoting Microbes: Inoculation is affected by the patient's food intake on the day of testing. b) Gram-positive organisms a) Micrococci Principles of Epidemiology: Lesson 5 Quiz|Self-Study Course SS1978|CDC 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. A) True A routine GTT: is three hours long. c) nucleotides Therefore, in screening experiments for the selection of PGPM it is necessary to know about the environmental requirements of the target plant and . Sugar fermentation test: Bacteria is grown in a sugar media. The section contains questions and answers on sanitary quality of water, wastewater, treatment processes, fresh foods microbial flora, food preservation and microorganisms. 15. C) use of microbes in sewage and pollution control. B) False, HACCP Hazard Analysis and Critical Control Point uses random samples for quality control of the food supply. Which of the following is NOT a criterion for the choice of an organism? Which one of the following is called as the 'brewers yeast'. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . View Answer, 3. Which shape of bacteria has been shown in the following diagram?a) Rod-shapedb) Comma shapedc) Spiral shapedd) Spherical shapedAnswer: dClarification: The following diagram represents spherical shaped bacteria, magnified 1500X. View Answer, 16. Answer: D 4. Clarification: ATCC stands for American Type Culture Collection. 31) Name the bacteria of the Enterobacteriaceae family that have the following characteristics? Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? 10. 2. Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? 13. Diagram and name four mechanisms bacteria use to transport materials across the cytoplasmic membrane. A. Clean and disinfect surfaces that are touched often. Lung infection was suspected, and a chest X-ray was performed which showed infection in both lungs. The section contains multiple choice questions and answers on microorganisms characteristics and microbial classification. Everything you need to know about water and wastewater microbiology. Which of the following are produced by microorganisms? Screening of Microorganisms: Primary and Secondary Techniques The "flash method" or "high temperature short time" method exposes fluids to View Answer, 8. a) Leuconostoc citrovorum Phosphorus is essential component of __________ 4. It changes from yellow at pH 3.0 to blue-violet at pH 4.6. These particles may consist of a single, unattached organism or may occur in the form of clumps composed of a number of . 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) Fermented dairy products Screening of Industrially Important Microorganism - MCQ Questions c) Spirochaeta Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? Which among the following group of microorganisms are found in the ducts of cows mammary glands? Which of the following statements about food chain and energy . What is high throughput screening used for? In modern plants the screens are cleaned . d) chitin, cellulose, or hemicellulose Answer: C a) Vibrio cholerae 3. Which of the following method proceeds with 2-plate preparation? Cellulose is degraded to cellobiose by the enzyme __________________ 14. b) True Children are more susceptible to this disease. Which of the following foods is NOT made by fermentation? d) American Type Classifier and Collection On the second day, the symptoms got worse and she was taken to the hospital. Self-Assessment Quiz. c) Enrichment Culture technique 7. b) Jenner A. Fecal occult blood B. MCQs Bacteriology (1-10): With Answers and Explanations Which is the secondary stage? are not subject to the Creative Commons license and may not be reproduced without the prior and express written Which of the following is a correct usage of binomial nomenclature? a) Crowded plate technique What does a viral DNA becomes after being associated with the bacterial chromosome? b) coliforms d) Hanging Drop technique 5. Lipopolysaccharide in cell walls is characteristic of? 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. The section contains MCQs on microorganisms, industry, industrial uses of bacteria, molds and yeasts, genotypic changes, bacterial recombination and conjugation, bacterial transduction and transformation. 4. b) mycotic infection In batch fermentation, It should be active and stable and environmentally safe. b) 10-fold c) 1000-fold C. The optimum temperature for the growth of an organism must be above 50C a) Killing all microorganisms. Mycobacteria f"u001e MCQs IN MICROBIOLOGY 13. pH required for the growth of bacteria is 22. magic island poem tone Consult Now a) The organism must be genetically stable. Chrysolaminarin is the reserved food of ___________________ b) The organism must be able to produce a high yield of product d) Rose Bengal Agar plate Which shape of bacteria has been represented in the following diagram? B. Your health care provider will insert a special tool called a speculum into your vagina. 30 seconds. 14. Chapter 2: Classification of Medically important Bacteria MCQs. ticks and fleas. It belongs to the phthalein family that is employed as an acid-base indicator. 43) Which of the following methods are the most common and routine culture methods performed in the microbiology lab for the proper isolation and identification of bacteria and fungi? MCQ on Industrial Microbiology - MCQ Biology.com Enrichment culture technique was developed by_________, 16. Rapid Diagnostic Tests for Infectious Diseases 7: Isolation of an Antibiotic Producer from soil A. View Answer, 40. Easy detection of the small percentage of useful microorganism. 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. consent of Rice University. The section contains MCQs on phages structure and morphology, bacterial viruses replication, lysogeny and lytic. The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. View Answer, 34. A) heat below 100 oC. b) mutualistic Types of pathogens include specific bacteria strains, viruses, fungi, or parasites that can cause illness in its host. A) retards growth of Staphylococcus aureus. Biodegradation: Involved Microorganisms and Genetically Engineered b) RNA polymerase Sulphates are reduced to hydrogen sulphide by _____________________ View Answer, 11. B. b. d) All of the mentioned This reduces the cooling costs in large scale fermenters. The common symptoms are pink or red spots on the skin surface, dry cough, and runny nose. a) Spread-plate View Answer, 48. MCQ Questions for Class 10 Science Our Environment with Answers D. Amino acid producers. If you would like to learn "Microbiology" thoroughly, you should attempt to work on the complete set of 1000+ MCQs - multiple choice questions and answers mentioned above. a) Watson Which of the following morphological characteristics is an important identification characteristic of. All Rights Reserved. E. coli is a sub-group of the fecal coliform group. Germs: Protect against bacteria, viruses and infections Set up a series of 1/10 dilutions: a. Sulphur can be utilized by bacteria in the a. c) Spirillum volutans A) True It is important to find and resolve the source of the contamination. Microbes can live in highly acidic as well as an alkaline medium. c) neither aerobic and anaerobic cells Water treatment typically requires three stages to make it potable from sewage. d) Indicator dye technique The cell structure of gram positive and gram negative bacteria appear as the picture given below after the gram staining procedure, Gram positive bacteria Gram negative bacteria. Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include Full-form of ATCC is _________. 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, 18. uses 100 grams of glucose in a 300ml solution. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. Clarification: Phenolphthalein has a pH range between 8.0 10.0. What is the pH range of Bromophenol blue? (PDF) Mcqs in microbiology | Mohammed Bilal - Academia.edu D. Rose Bengal Agar plate. 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. B) False, When in doubt, throw it out. Our mission is to improve educational access and learning for everyone. All of the above. c) Binary fission a) x-rays Want to cite, share, or modify this book? a) Amphitrichous screening of microorganisms includes mcq; screening of microorganisms includes mcq. b) Atrichous bacteria. Answer: A 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. Pathogen testing is used to identify pathogenic organisms in manufacturing environments, ingredients or finished products that could harm the consumer. Which part of the compound microscope helps in gathering and focusing light rays on the specimen to be viewed? You can also download the PDF of Microbiology MCQs by applying below. pH, cations, thymidine or thymine, use of supplemented media). c) cytoplasm A) manipulating the growth environment. It is colourless at pH 8.0 and becomes red at pH above 10.0. c) ribitol or glycerol residues d) bacterial infection What are the methods of isolating the pure culture of microorganisms? a) S mallpox Candidiasis is a fungal infection, skin infection, and mouth or vaginal infection that can occur due to the overgrowth of the fungus. c) MacConkeys Agar plate d. using damaged equipment and glassware. b) Streak-plate View Answer, 37. View Answer, 14. Which of the following is a type of fungal microorganism? b) cellulose 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. (Or show it to your microbiology professor, just for fun.) a) Small pox c) chitin a) Mesophile True 4. c) Streptococci. d) Fungi MCQ.9):Which bacteria have flagella of amphitrichous type means the flagellum are present at both the sides? Wastewater treatment - Primary treatment | Britannica Diagnostic Microbiology - MCQs Flashcards | Quizlet 1. c) magnetic fields D) removal of waste, inoculation, fermentation, downstream processing. d) Candida milleri Which was the first disease for which a chemotherapeutic agent was used? It includes the physical processes of screening, comminution, grit removal, and sedimentation. Done in one or few steps. d) spherical 6. 3. 6. MCQ on Isolation, classification and Identification of microorganisms B) inoculation, downstream processing, fermentation, removal of waste. Trichomonas vaginitis (TV) MCQs Flashcards | Quizlet 25. a)Microaerophilic. Which of the following foods is NOT made by fermentation? View Answer, 21. View Answer, 9. Your email address will not be published. c) base analog If you are redistributing all or part of this book in a print format, Screening includes primary screening and secondary screening. Screening of Industrially Important Microorganism - Learn Insta The following diagram represents ____________a) Plate with wormsb) Colonies of bacteria on a petri dishc) Onion root cells on a plated) Cheek cellsAnswer: bClarification: The following diagram represents colonies of bacteria on a petri dish. It doesn't include viruses and prions because they are classified as non-living. microbiology mcqs online test / microbiology mcq quiz / microbiology Which scientist proposed adding a kingdom for protists? screening of microorganisms includes mcq [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). b) 8.0 10.0 C) new batches of microorganisms are screened for increased yield. 3. View Answer, 45. b) Treponema pallidum a) anaerobic cells 2. 2. 8. Some bacteria are capable of spore formation so they are highly heat resistant and some are capable of producing heat-resistant toxins. Answer: B a) Cyanobacteria, Fungi and Viruses A BV test is done in a similar way as a pelvic exam or Pap smear. d) The organism must be able to grow in an easily available nutrient medium d) Physical assay 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. How do you isolate microorganisms from the soil? Through primary screening only few or many microorganism that produce a industrially . a) 1mm in diameter c) Saccharomyces cerevisiae c) Spirochetes c) Phenolphthalein Which among the following are Spirochetes? B. Auxanographic technique What is required for proper isolation of microorganisms? b) an increase in number of cells Which of the following are present in teichoic acids? It is done by using paper, thin layer or other chromatographic techniques. Rhizobium bacteria. c) Chemical assay Microbiology MCQ (Multiple Choice Questions) - Sanfoundry d) Coxiella burnetii Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. MCQ's For Lab Technician And Technologists - Part 6 - Lab Tests Guide Which of the following method is not used in isolation and screening of desired microorganisms? 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. It gets its name from the Danish bacteriologist Hans Christian Gram who first introduced it in 1882, mainly to identify organisms causing pneumonia. The reason they are called microorganisms is that you can only see them when you use a microscope. The growth factor-like amino acids, vitamins promotes the growth of auxotrophic mutants. Aims and objectives. Cryptococcosis is a disease of ________________ Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . D) starch. b) light waves d) Indicator dye technique Auxanography technique is employed for detecting microorganisms able to produce__________. a) glycerol residues Crowded plate technique is used for screening of____________. The respiratory chain of bacteria is associated with the _____________ Which of the following microorganism is eliminated in canned foods? Answer: A View Answer, 29. 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. Microbial Enzyme - an overview | ScienceDirect Topics 2. b) Streptococcus lactis Here are 1000 MCQs on Microbiology (Chapterwise). Which of the following is NOT a criterion for the choice of an organism? Therefore, the exact composition of a defined medium is known. c) Enrichment Culture technique This book uses the c) carbohydrates 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, View Answer, 15. b) teichoic acid Good work practices include, a. smelling and tasting chemicals . Full-form of ATCC is _________ Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? A) are essential to microbe function. Binary fission begins when the DNA of the bacterium divides into two (replicates). Tyrocidines are more effective against ___________________ Which of the following was NOT a kingdom in Linnaeuss taxonomy? 250+ MCQs on Isolation and Screening of Industrially Important Microbes d) mitochondrial membrane Clarification: Adenoviruses cause respiratory infections. View Answer, 38. A) True The 1st plate is used to isolate and detect prototrophs whereas 2nd plate is used for identification of auxotrophs. b) The organism must be able to produce a high yield of product. How do you isolate microorganisms in the air? The process is repeated several times until the requirement is met. c) The optimum temperature for the growth of an organism must be above 50C. (PDF) Screening for Microbes As primary screening allows the detection and isolation of microorganisms which posses, potentially interesting industrial applications. Urinary tract infection was suspected, urine sample and swab specimen were taken and cultured on suitable agar media, a microscopic examination was performed. b) Fungi The Society's role is to help unlock and harness . b) Longest wavelength of visible light used Protozoa that eat other organisms are known as _______________ Which isolation technique is most effective? B. Who was the first to observe animalcules under the microscope? The serial dilutions of soil are performed and spread on a Petri plate and allowed to grow. The screening is isolation and detection of microorganisms of interest. 9. Now that you have read Lesson 5 and have completed the exercises, you should be ready to take the self-assessment quiz. Prokaryotes are unicellular microorganisms whose cells have no nucleus. View Answer, 10. 4.1: Prokaryote Habitats, Relationships, and Microbiomes. a) Crowded plate technique 2. the virus must be able to cross-link red blood cells directly. d) Prototheca 7. Secondary screening helps in detecting really useful microorganisms in fermentation processes, which includes a) cellulose dehydrogenase 12. (1) Its a process for the detection and isolation of microorganisms of our interest. (retrieve https://www.learningsta.com, April 2021) 2.0 SCREENING . Viral hemagglutination assays only work with certain types of viruses because. 13. Screening of industrial microorganisms - SlideShare Clarification: The Crowded Plate Technique is used for the detection and isolation of the organisms which are antibiotic producers. View Answer, 41. D) prevent mold. For this dilution, it may be said that the solution was diluted _______ The section contains questions and answers on energy utilization in biosynthetic and nonbiosynthetic processes, transcription and translation of genetic information and protein synthesis process. (2) Chemical, physical and biological properties of a product are also determined during secondary screening.

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screening of microorganisms includes mcq