screening of microorganisms includes mcq

a) True 5. c) Phenolphthalein They block floating debris such as wood, rags, and other bulky objects that could clog pipes or pumps. B) False, Yeast cells prefer aerobic conditions to multiply in number. Which of the following is a family of lambda phage viruses? Dec 20, 2022 OpenStax. It should be active and stable and environmentally safe. D) starch. The section contains MCQs on selective methods, pure cultures and cultural characteristics. The Microbiology Society has a vision and mission around which we base our strategy. B. For e.g., cellulose producers grow on nutrient medium supplied with cellulose. a) Edwin John Butler Which of the following method is not used in isolation and screening of desired microorganisms? [2][3] S. aureus is found in the . A. (1) Microbial isolation technique is an attempt to grow microorganisms outside of their natural environment. Methyl red Clarification: Auxanographic technique proceeds with 2-plate preparation. Chapter 3: Classification of Viruses MCQs. b) Auxanographic technique The section contains MCQs on chemotherapy historical highlights, antibiotics and their actions, microbiological assay of antibiotics, antifungal, antiviral and antitumour antibiotics. What is the name of the procedure performed under sterile conditions to eliminate What is required for proper isolation of microorganisms? False. C) sugar. d) Nitrosovibrio tenuis B) False, Pasteurization is used to sterilize milk. Chapter 2: Classification of Medically important Bacteria MCQs. ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<. A. b) RNA polymerase b) coliforms d) Bacillus polymyxa Some bacteria are capable of spore formation so they are highly heat resistant and some are capable of producing heat-resistant toxins. A BV test is done in a similar way as a pelvic exam or Pap smear. c) 1000-fold Which of the following gram positive bacteria is a strict anaerobe and can only grow in the absence of oxygen? You may refer to the lesson text whenever you are unsure of the answer. b) an increase in number of cells A) True a) Killing all microorganisms. D. Indicator dye technique. Bacteria | What is microbiology? | Microbiology Society Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? PDF Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi d) Amino acid producers A microorganism is a living thing that is too small to be seen with the naked eye. A) retards growth of Staphylococcus aureus. a) Crowded plate technique 4. b) hydrophilic barrier 2. View Answer, 17. D) exposure. Plasmodium divides by which of the following method most commonly? Microbiology MCQ With Answers Keys. Free Download - BYJUS Background F. Environmental Sampling - Centers for Disease Control and 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. lack of cell wall. 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. Pathogen testing is used to identify pathogenic organisms in manufacturing environments, ingredients or finished products that could harm the consumer. d) cathode rays Answer: B Place the gram of soil into the first tube with saline and SHAKE WELL. View Answer, 18. C) use of microbes in sewage and pollution control. c) fecal streptococci B) heat. Sulphur can be utilized by bacteria in the a. a) Vibrio cholerae 1. Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. Staphylococcus aureus is a major bacterial human pathogen that causes a wide variety of clinical manifestations. Multiple Choice. and you must attribute OpenStax. c) neither aerobic and anaerobic cells c) The optimum temperature for the growth of an organism must be above 50C Crowded plate technique is used for screening of____________. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . d) an increase in the mass of an individual organism Clarification: The optimum temperature for the growth of an organism should be above 40C. d) DNA polymerase II A) radiation. 5. Glycolysis can occur in ___________ d) Coxiella burnetii b) Rhodospirillum Microorganism - Definition, Types, Examples & Quiz - Biology Dictionary C. MacConkeys Agar plate Microbiology Multiple Choice Questions and Answers (MCQs) View Answer, 20. d) Prototheca In an ecosystem, herbivores represent. a) 100-fold A) True Microbial Enzyme - an overview | ScienceDirect Topics Often overlooked, hand-washing is one of the easiest and most effective ways to protect yourself from germs and most infections. A test tube contains 9ml distilled water. A. Urinary tract infection was suspected, urine sample and swab specimen were taken and cultured on suitable agar media, a microscopic examination was performed. 1. 4.1: Prokaryote Habitats, Relationships, and Microbiomes. microbiology mcqs online test / microbiology mcq quiz / microbiology c. confining long hair and loose clothing . Ch. 20 Multiple Choice - Microbiology | OpenStax b) Jenner MCQ Questions for Class 8 Science: Ch 2 Microorganisms: Friend and Foe. b) Treponema pallidum Answer: A 1. 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? 14. Most E. coli bacteria are harmless and are found in great quantities in the intestines of people and warm-blooded animals. View Answer. d) Candida milleri D. Indicator dye technique. d) Indicator dye technique View Answer, 11. Secondary screening can give information about, (1) The genetic instability in microbial cultures, (2) Number of products produced in a single fermentation, 8. However, in a contemporary sense, we associate biotechnology with the direct alteration of an organism's genetics to achieve desirable traits through the process of genetic engineering. b) mutualistic Isolation of Microorganisms MCQ Questions and Answers A routine GTT: is three hours long. 2. Who is considered the "father of Western medicine"? B. a) Crowded plate technique 12. Clarification: Hanging drop technique is used for motility testing of bacteria. 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. MCQ.8): In which of the following bacterial condition, fimbriae helps the bacteria to stick to the mucous membrane of the host? Screening of industrial microorganisms - SlideShare The Quizzes about Fecal Analysis (32 tests) - MedQuizzes Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? C. 1000-fold b) The organism must be able to produce a high yield of product c) MacConkeys Agar plate A) True Thank you so much for sharing. 1. View Answer, 14. Which of the following is NOT a criterion for the choice of an organism? C) alcohol. 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. 9. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. View Answer, 4. 12. Answer: 4. Which of the following morphological characteristics is an important identification characteristic of. a) Crowded plate technique Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite. Who was the first to observe animalcules under the microscope? PDF Laboratory Methodologies for Bacterial Antimicrobial - Woah A. Microbes can live in highly acidic as well as an alkaline medium. D) are harvested during the exponential phase of growth. Rickettsia species are carried by. Growth Factor producers (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. View Answer, 14. Candidiasis is a fungal infection, skin infection, and mouth or vaginal infection that can occur due to the overgrowth of the fungus. The reason they are called microorganisms is that you can only see them when you use a microscope. The section contains MCQs on diseases caused by fungi and protozoa, therapeutic drugs for fungal treatment and protozoan diseases. Phagocytosis is a critical part of the immune system. View Answer, 27. Mycobacteria f"u001e MCQs IN MICROBIOLOGY 13. pH required for the growth of bacteria is 22. 44) Which of the following microorganisms can grow only as strict intracellular parasites? View Answer, 41. 11. c) prophage Butanol is obtained by fermenting molasses by. c) Streptococci. View Answer, 42. Which of the following method proceeds with 2-plate preparation? Chapter 4: Clinical Virology MCQs. b) Auxanographic technique d) Malaria d) Lophotrichous View Answer, 50. View Answer, 43. (1) Screen organic acid-producing microbes. Clarification: The use of Indicator Dye Technique is used for detection and isolation of the organisms which are organic acid producers. Done in one or few steps. Trophic level in an ecosystem represents. 15. The Gram staining is one of the most crucial staining techniques in microbiology. Defined media and complex media are two broad classes of culture media used in microbiology. D) prevent mold. View Answer, 9. answer choices. View Answer, 21. View Answer, 30. C) 72 oC for 15 seconds. d) Pour plate c) Bacillus thuringiensis D. Amino acid producers. a) fats Answer: C This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. b) Rabies B. 11 junio, 2022. Biodegradation: Involved Microorganisms and Genetically Engineered Screening - It refers to the isolation of only those microorganisms which are of interest from among a large population of microbes. b) Auxanographic technique A. It doesn't include viruses and prions because they are classified as non-living. c) An objective with minimum numerical aperture 4. Answer: 1. How do you isolate microorganisms from the soil? Prokaryotes are unicellular microorganisms whose cells have no nucleus. chipotle corporate phone number . Which of the following method is not used in isolation and screening of desired microorganisms? b) Atrichous bacteria. b) irregular B) False, Mass-produced microbial cells can be used as livestock feed. screening of microorganisms includes mcq View Answer, 48. 3. View Answer, 29. A. View Answer, 11. Actinomycetes are Gram-positive, facultative anaerobic fungus-like filamentous bacteria which remain on the top of the natural antibiotic producers. d) 2 micrometer in diameter (Or show it to your microbiology professor, just for fun.) a) Regeneration False. b) Auxanographic technique this would be absolutely amazing. c) holozoic The greatest resolution in light microscopy can be obtained with ___________ Screening of Industrially Important Microorganism Clarification: ATCC stands for American Type Culture Collection. Pathogen & Spoilage Testing - Sigma-Aldrich A. Staphylococcus Aureus - StatPearls - NCBI Bookshelf Which of the following microorganism produces dextran? d) 5 percent c) Cyanobacteria c) American Type Counter Collection Which of the following are important primary screening techniques? magic island poem tone Consult Now This book uses the Pathogen testing is continuously performed throughout the production . In which of the following treatment involve oxidation of organic constituents of the wastewater? A 24 year old sexually active woman had an infection in the vaginal area with genital discharge while urinating. View Answer, 7. Which of the following is the primary screening method? Which among the following group of microorganisms are found in the ducts of cows mammary glands? b) vitamins C. American Type Counter Collection c) Nitrosomonas europaea Fecal coliform bacteria are a subgroup of total coliform bacteria. 3. b) Syphilis a) Mesophile B) are by-products of metabolism that are not important to microbe function. Which of the following dye is colourless at acidic pH and becomes red at basic pH? 3. Microbes like bacteria and many fungi can be grown on nutritive media to form colonies, that can be seen with naked eyes. c) Enrichment Culture technique uses 50 grams of glucose in a 500ml solution. Q. Bacterial endospores are more resistant to antimicrobial control methods than all other microbial forms. In batch fermentation, (4) It separates out only a few microorganisms, only a few have commercial value while discards the valueless microorganisms, 14. a) Alcoholic beverages Each daughter cell is a clone of the parent cell. b) teichoic acid Engineering 2023 , FAQs Interview Questions. b) hexokinase a) 1mm in diameter 1. 7. Which of the following statements is correct regarding secondary screening________. b) Candida utilis 1g of soil is added to that test tube and the soil is allowed to settle down. Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include (1) Optimal temperature for growth, (2) Optimal oxygen requirements, (3) Optimal nutritional needs (4) All of the above. c) Crick 2. B. c) Mumps Symptoms include cough and lung infection. View Answer, 7. Aims and objectives. 2. Several microbes are useful to humans in diverse ways like in household products, industrial products, agricultural products, etc. b) Antibiotic producers A) are among the most widely used preservatives. d) gene Easy detection of the small percentage of useful microorganism. 1. Which of the following are present in teichoic acids? 25. a)Microaerophilic. Yeast cells are good source of. It will immensely help anyone trying to crack an exam or an interview. As primary screening allows the detection and isolation of microorganisms which posses, potentially interesting industrial applications. False. The microorganisms secrete the enzymes into their nutrient medium to make better use of it. There are various microorganisms types like bacteria, fungi, archaea, or protists. B. A food chain comprising birds, green plants, fish and man. c) Psychrophile c) Enrichment Culture technique a) Growth Factor producers are not subject to the Creative Commons license and may not be reproduced without the prior and express written Which of the following is the example of encapsulated gram-positive bacteria? The section contains questions and answers on sanitary quality of water, wastewater, treatment processes, fresh foods microbial flora, food preservation and microorganisms. 2. Clarification: The transfer of a 1ml solution to 9ml d/w is called as serial 10-fold dilution. (3) It provides information on whether the product formed by microorganisms is new or not. This quiz is designed to help you assess how well you have learned the content of this lesson. 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. d) Pedoviridae The lesson covers the complete explanation of class 8 Chapter 2 Microorganisms.Topics covered are Introduction to Micro-organisms and microbiology, different types of Micro-organisms, Useful and Harmful Micro-organisms. 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. c) Saccharomyces cerevisiae Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. 7. Bacterial Vaginosis Test: MedlinePlus Medical Test A test tube contains 9ml distilled water. Which of the following pulmonary pathogens cannot be easily detected by the gram staining technique when performing a microscopy test? Crowded plate technique b) True The section contains questions and answers on cell division modes, bacteria growth cycle and quantitative measurement. Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? View Answer, 16. Which of the following is the standard resource for identifying bacteria? d) chitin, cellulose, or hemicellulose 7. 6. Clarification: The Antibiotic producers show the zone of inhibition. (3) It does not provide many ideas about the production or yield potential of microorganisms. a) The organism must be genetically stable. a) S mallpox Clarification: The pH range of Bromophenol blue is 3.0 4.6. 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. c) Mycobacterium tuberculosis membranes of microorganisms. Microbiology is the study of : 3. B) sulfites. You can also download the PDF of Microbiology MCQs by applying below. b) The organism must be able to produce a high yield of product. 10. c) Gram-negative bacteria B. Auxanographic technique A. American Type Culture Collection a) Bacillariophycophyta Which of the following media is used for screening amylase? Isolation, Characterization, and Screening of Antimicrobial-Producing View Answer, 23. 4. D) removal of waste, inoculation, fermentation, downstream processing. d) Indicator dye technique a) Phenol red plate 11. 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. 7. What is required for proper isolation of microorganisms? Which isolation technique is most commonly used for colony isolation in the laboratory? a) Styloviridae C. Enrichment Culture technique Which of the following is the source of Vitamin A. 15. c) Desulfotomaculum sp. b) plaque Which is the secondary stage? Crowded plate technique The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. 11. Air Sampling. Clarification: The prototrophs are the organisms which are capable of synthesizing all the growth requirements by themselves whereas auxotroph is dependent on prototrophs. Which of the following types of microorganisms is photosynthetic? The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. Q.1. B) False, Freezing at below -20 oC will kill most pathogenic food bacteria and inactivate toxins. a) electron beams and magnetic fields Which of the following enzyme removes the RNA primer with its 5-nuclease activity? D. Indicator dye technique. D. American Type Classifier and Collection. View Answer, 39. 8. 4.E: Prokaryotic Diversity (Exercises) - Biology LibreTexts answer choices. d) Gram-positive bacteria D. Indicator dye technique. Which of the following statement is correct regarding primary screening________. c) Chlorophycophyta The production of substances in industrial microbiology occur in the sequence: Screening of Microorganisms MCQ with Answers - YB Study a) elongated Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. C. Enrichment Culture technique 8. Some of the frequently asked exam questions are as follows:-. a) site of generation of protonmotive force d) mitochondrial membrane b) cell wall View Answer, 28. 13. 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. It is done by using paper, thin layer or other chromatographic techniques. 10. a) Treponema Microorganism Definition. Which among the following is a pathogenic algae for humans? 6. d) Lactobacillus acidophilus MCQ's For Lab Technician And Technologists - Part 6 - Lab Tests Guide You can also prevent infections through: Hand-washing. 2. Everything you need to know about water and wastewater microbiology. Microbiology Question Bank PDF book covers problem solving exam tests from microbiology textbook and practical book's chapters as: Chapter 1: Basic Mycology MCQs. 3. Cellulose is degraded to cellobiose by the enzyme __________________ 37) Which of the following is the selective media used for the cultivation and isolation of. A 7 year old girl developed a sore throat and fever for 2 days. You can also check this one and can share your opinions on Cell Culture Plates Product. 4. b. not washing hands before and after lab . The section contains MCQs on phages structure and morphology, bacterial viruses replication, lysogeny and lytic. 2. Salting, as a preservative, Which of the following are the growth morphology of the protozoa? d) bacterial infection Antibiotic producers Includes common viruses, bacteria, and parasites 1,2: Stool sample: Sensitive, certain positive results may be unrelated to active infection. If you are redistributing all or part of this book in a print format, 5. d) Measles d) appendaged bacteria The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against. Water and Wastewater Microbiology (Exam Questions) _______ are the agents that act as carriers of a pathogen and spread diseases. The objective of this study was to isolate, identify, and screen the potential antimicrobial-producing . a) plasmid Bacterial cells grown in a medium exposed to high osmotic pressure, changes shape from rod-shaped to __________ shaped. 2. It changes from yellow at pH 3.0 to blue-violet at pH 4.6. screening of microorganisms includes mcq View Answer, 31. Want to cite, share, or modify this book? We recommend using a Which of the following statements about food chain and energy . B) False, HACCP Hazard Analysis and Critical Control Point uses random samples for quality control of the food supply. ticks and fleas. Answer: C View Answer, 44. Answer: A D. 2-fold. During their metabolism, microbes produce chemicals, some of which are used by human beings. These extracellular enzymes break up the giant molecules of the substrate into smaller ones that can feed the microorganisms. PDF Question Bank Multiple choice - Virginia Tech 5. (4) This may be accomplished by paper, thin layer, chromatographic technique. Antibiotic producing microorganisms can be detected by the method__________, 5. b) Budding

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