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The bacterial cell then elongates and splits into two daughter cells each with identical DNA to the parent cell. It is further followed by secondary screening, to check the capabilities and gain information about these organisms. View Answer, 3. c) 5 8 Which of the following bacteria is an endospore-forming bacteria that is also a common foodborne pathogen? d) proteins 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. 26. d) Indicator dye technique b) Rabies 5. View Answer, 15. a) Cephaleuros d) Lactobacillus acidophilus Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . Study with Quizlet and memorize flashcards containing terms like Which of the following is true about the trichomonas vaginalis? Some strains, however, can cause illness. microscopic with a fried egg shape. Genetic engineering is also used to improve the biodegradation . a) Shortest wavelength of visible light used d) bacterial infection a) Growth Factor producers 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. c) Phenolphthalein Answer: B Clean and disinfect surfaces that are touched often. 2. What is the fecal test that requires a 3-day specimen? 13. c) DNA polymerase I d) chitin, cellulose, or hemicellulose d) DNA polymerase II Clarification: The optimum temperature for the growth of an organism should be above 40C. b) Longest wavelength of visible light used d) cellulase d) Malaria d) Mycoplasmas Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. B. a) American Type Culture Collection View Answer, 5. View Answer, 11. 1. a) Small pox b) Clostridium botulinum Chapter 3: Classification of Viruses MCQs. All Rights Reserved. c) holozoic (retrieve https://www.learningsta.com, April 2021) 2.0 SCREENING . False. 40) Biochemical tests are a common and conventional laboratory procedure in the differentiation and identification of enteric bacteria. Due to the climatic and geographical diversity of Nepal, a wide range of microorganisms with potent source of antimicrobials are available. Performance and sterility testing of media lots should also be determined and 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. They block floating debris such as wood, rags, and other bulky objects that could clog pipes or pumps. b) Streak-plate Nitrates maintain the red color of preserved meats and c) 2.5 to 4 percent B. Auxanographic technique The section contains MCQs on size, shape and arrangement of bacterial cells, cell wall, structures external and internal to the cell wall. The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. B) plasmolyzes bacteria and fungi. c) Organic acid producers (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. 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 method is not used in isolation and screening of desired microorganisms? 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. 6. B) inoculation, downstream processing, fermentation, removal of waste. c) Chemical assay The principal microorganism for yogurt is ______________________ b) Candida utilis 5. View Answer, 31. Which of the following method is not used in isolation and screening of desired microorganisms? Name three reserve materials synthesized by microorganisms and note which microbial groups a) True It should not leave damage and odour. View Answer, 32. 4. Secondary screening may be qualitative and quantitative in its approach. b) Gram-positive organisms Which of the following is not a subfield of microbiology? Staphylococcus aureus is a major bacterial human pathogen that causes a wide variety of clinical manifestations. A. Fecal occult blood B. 6. Clarification: Adenoviruses cause respiratory infections. Answer: C a) above 1 percent Clarification: ATCC stands for American Type Culture Collection. Dec 20, 2022 OpenStax. View Answer, 5. What does a viral DNA becomes after being associated with the bacterial chromosome? d) 2 micrometer in diameter View Answer, 13. b) Advanced treatment On the second day, the symptoms got worse and she was taken to the hospital. 11. Gram negative bacteria take the color of safranin stain and appear pink or red. The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. c) The optimum temperature for the growth of an organism must be above 50C A 24 year old sexually active woman had an infection in the vaginal area with genital discharge while urinating. a) Crowded plate technique The section contains questions and answers on diseases caused by staphylococcus, streptococcus, corynebacterium, aerobic and anaerobic gram, viruses containing single and double stranded dna. Which was the first disease for which a chemotherapeutic agent was used? C. American Type Counter Collection 15. A) production of alcoholic beverages by microorganisms. 30 seconds. a) Crowded plate technique The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. B) False, Pasteurization is used to sterilize milk. 2. b) 0.5 to 1.0 micrometer in diameter 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. (2) Chemical, physical and biological properties of a product are also determined during secondary screening. b) an increase in number of cells Cellulose is degraded to cellobiose by the enzyme __________________ b) Study of animals and their family Q. Q.1: Screening of microorganisms includes . a) Lactobacillus 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. 6.8 - 7.2 b. 4. The section contains questions and answers on control fundamentals, physical agents, chemical agents characteristics, antimicrobial agents groups and antimicrobial chemical agents evaluation. View Answer, 26. Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a d) Thermophile c) Cyanobacteria Diagram and name four mechanisms bacteria use to transport materials across the cytoplasmic membrane. b) Auxanographic technique Which of the following is NOT a criterion for the choice of an organism? b) Auxanographic technique Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. Clarification: Phenol Red plate is used to detect and isolate organic acid producers. 1. Some bacteria are capable of spore formation so they are highly heat resistant and some are capable of producing heat-resistant toxins. Defined media and complex media are two broad classes of culture media used in microbiology. Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? c) an increase in the size of an individual organism Growth of bacteria or microorganisms refer to __________________ Blood C. Electrolytes D. Water: 5. The section contains multiple choice questions and answers on morphology, reproduction, physiology and fungi cultivation, fungi classification and special interest. All of the above. D) all of the above. View Answer, 25. False. Which of the following plate is used to detect and isolate organic acid producers? c) ribitol or glycerol residues C. Enrichment Culture technique a) Algae Secondary metabolites 10-fold 2. c) Enrichment Culture technique Crowded plate technique View Answer, 14. d) Primary treatment The colour of plate changes from red to yellow in the zone of organisms producing organic acid. View Answer, 7. As an Amazon Associate we earn from qualifying purchases. B) sulfites. You may refer to the lesson text whenever you are unsure of the answer. Which of the following was NOT a kingdom in Linnaeuss taxonomy? 15. Answer: 4. View Answer, 23. You can also prevent infections through: Hand-washing. Which isolation technique is most effective? screening of microorganisms includes mcq; screening of microorganisms includes mcq. What is required for proper isolation of microorganisms? a) True A. B. Auxanographic technique 2011-2023 Sanfoundry. a) Spread-plate c) The optimum temperature for the growth of an organism must be above 50C. The section contains multiple choice questions and answers on viruses, vaccination, structure, composition, viruses classification, virus infection and fatal diseases. The screening is isolation and detection of microorganisms of interest. 9. Which scientist proposed adding a kingdom for protists? 10. What is Microbiology? How to avoid the spreading of Microorganisms has been discussed. C. MacConkeys Agar plate a) 100-fold View Answer, 15. Has two nuclei C. Forms cysts D. Has a sucking disc E. Survives well in ordinary water, even when this is hot or contains chlorine or detergents, Flagellate parasite is the cause of vulvovaginitis in women in . Chapter 2: Classification of Medically important Bacteria MCQs. C) inoculation, fermentation, downstream processing, removal of waste. Antibiotic producers (1) Optimal temperature for growth, (2) Optimal oxygen requirements, (3) Optimal nutritional needs (4) All of the above. View Answer. 5. 8. (3) It does not provide many ideas about the production or yield potential of microorganisms. b) Fungi b) False d) spherical MCQ on Industrial Microbiology. 4. Full-form of ATCC is _________ 5. Which of the following is the most accurate method for microbial assay of antibiotics? c) UV light The section contains MCQs on chemotherapy historical highlights, antibiotics and their actions, microbiological assay of antibiotics, antifungal, antiviral and antitumour antibiotics. Your health care provider will insert a special tool called a speculum into your vagina. To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. 1. Microbes like bacteria and many fungi can be grown on nutritive media to form colonies, that can be seen with naked eyes. This quiz is designed to help you assess how well you have learned the content of this lesson. 6. View Answer, 50. 3. View Answer, 11. Which of the following plate is used to detect and isolate organic acid producers? a) Crowded plate technique The 1st plate is used to isolate and detect prototrophs whereas 2nd plate is used for identification of auxotrophs. What is required for proper isolation of microorganisms? Clarification: The pH range of Bromophenol blue is 3.0 4.6. 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. c) Desulfotomaculum sp. The growth factor-like amino acids, vitamins promotes the growth of auxotrophic mutants. 2. The organism must be able to produce a high yield of product d) Corynebacterium diphtheriae c) Streptococci. 3. Who was the first to observe "animalcules" under the microscope? Which of the following metabolic characteristic is a distinguishing characteristic and identification of colonies of. B) are by-products of metabolism that are not important to microbe function. a) Study of molecules that are visible to human eyes Phagocytosis is a critical part of the immune system. 13. Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? Urinary tract infection was suspected, urine sample and swab specimen were taken and cultured on suitable agar media, a microscopic examination was performed. b) The organism must be able to produce a high yield of product Bacterial cells grown in a medium exposed to high osmotic pressure, changes shape from rod-shaped to __________ shaped. Which organisms show the zone of inhibition grown on a Petri plate? a) plasmid D. Indicator dye technique. Which of the following is a family of lambda phage viruses? It gets its name from the Danish bacteriologist Hans Christian Gram who first introduced it in 1882, mainly to identify organisms causing pneumonia. Note when energy and additional compounds are necessary for any of these mechanisms to operate. Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. It changes from yellow at pH 3.0 to blue-violet at pH 4.6. a) The organism must be genetically stable chp 25 microbiology 211 mcq. 12. the virus must not be able to lyse red blood cells. 5. A 19-year-old male living in a tropical region of India visited the hospital. b) Auxanographic technique Which of the following are produced by microorganisms? 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. What are the cell wall structural components of fungi? 9. 2. View Answer, 29. c) parasitic infection The organic acid producers produce acid which changes the colour of media and is thus detected easily. Which of the following microorganism is eliminated in canned foods? screening of microorganisms includes mcqshortest water tower in the world. Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. C. Organic acid producers c) carbohydrates Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single circular chromosome. D. Amino acid producers. 1. Types of pathogens include specific bacteria strains, viruses, fungi, or parasites that can cause illness in its host. this would be absolutely amazing. determined to obtain accurate susceptibility results. Which of the following dye is colourless at acidic pH and becomes red at basic pH? b) Microbacteria B. Auxanographic technique Identification of bacteria by biochemical tests. 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. 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. A) True a) Mesophile Who proposed that swamps might harbor tiny, disease-causing animals too small to see? (3) It provides information on whether the product formed by microorganisms is new or not. 3. A. Which of the following is NOT a domain in Woese and Foxs phylogenetic tree? d) both aerobic and anaerobic cells C. Phenolphthalein 3. A. Screening - It refers to the isolation of only those microorganisms which are of interest from among a large population of microbes. (4) This may be accomplished by paper, thin layer, chromatographic technique. A. Which of the following media is used for screening amylase? magic island poem tone Consult Now Which of the following is used in electron microscope? A) True B) False, Mass-produced microbial cells can be used as livestock feed. Vaccination was invented by ____________ First link in any food chain is usually green plants because. Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? This book uses the A. Phenol red plate b) Monotrichous a) viruses B. c) Chlorophycophyta OpenStax is part of Rice University, which is a 501(c)(3) nonprofit. 2. Biological contaminants occur in the air as aerosols and may include bacteria, fungi, viruses, and pollens. B) inhibit germination of botulism spores. b) Auxanographic technique Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? The bacterium Staphylococcus aureus is which type of bacteria? d) Photosynthetic sulfur bacteria d) Candida milleri Tyrocidines are more effective against ___________________ Now that you have read Lesson 5 and have completed the exercises, you should be ready to take the self-assessment quiz. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. Measles is a disease caused by a virus, it is spread via respiratory droplets. View Answer, 30. B) 62.3oC for 30 minutes. b) Syphilis Rhizobium bacteria. Engineering 2023 , FAQs Interview Questions. b) Fermented dairy products c) Pour-plate and spread plate c) Enrichment Culture technique b) Potato Dextrose Agar plate Which among the following group of microorganisms are found in the ducts of cows mammary glands? View Answer, 8. Which of the following is the example of encapsulated gram-positive bacteria? The following diagram shows an adenovirus: ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<, Your email address will not be published. Which of the following inhibits DNA replication? b) Auxanographic technique c) Psychrophile A. Biology Multiple Choice Questions on Microbes. Complex media are prepared using digests of microbial, animal, or . It is the organization which has the largest department of Research and Development. d) All of the mentioned The section contains multiple choice questions and answers on microorganisms characteristics and microbial classification. 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, c) Chlorella Clarification: Phenolphthalein has a pH range between 8.0 10.0. _______ are the agents that act as carriers of a pathogen and spread diseases. What is the pH range of Bromophenol blue? The screening is isolation and detection of microorganisms of interest. 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. Automatic Type Counter & Classifier This reduces the cooling costs in large scale fermenters. b) Killing pathogenic microorganisms c) Killing spores d) None of these answer-A 3. 7. Actinomycetes are Gram-positive, facultative anaerobic fungus-like filamentous bacteria which remain on the top of the natural antibiotic producers. A food chain comprising birds, green plants, fish and man. Answer: D C) are products that require additional processing before they can be packaged. a) Final treatment B) False, Hot foods must be maintained above 60 oC to inhibit microbial growth. 3. 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. 14. 4. Prokaryotes are very flexible metabolically, so they are able to adjust their feeding to the available natural resources. 3. c) beta-glucosidase The microorganisms are chosen based on the rest three criteria. Clarification: Auxanographic technique proceeds with 2-plate preparation. c) Spirochetes Trophic level in an ecosystem represents. c) nucleotides pH, cations, thymidine or thymine, use of supplemented media). 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. b) Streptomyces olivaceus b) Streptococcus lactis B) False, When in doubt, throw it out. Which of the following method proceeds with 2-plate preparation? d) electron beams Which of the following method is not used in isolation and screening of desired microorganisms? 1. 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. a) Neisseria gonorrhoeae. MCQ.9):Which bacteria have flagella of amphitrichous type means the flagellum are present at both the sides? d) mitochondrial membrane Which of the following are the growth morphology of the protozoa? b) aerobic cells This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. c) Spirochaeta Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . Full-form of ATCC is _________ 1g of soil is added to that test tube and the soil is allowed to settle down. False. d) The organism must be able to grow in an easily available nutrient medium 2. d) 6.4 8.0 Q.1. c) American Type Counter Collection Answer: B Several microbes are useful to humans in diverse ways like in household products, industrial products, agricultural products, etc. coliform bacteria in drinking water, the source is probably environmental and fecal contamination is unlikely. uses 100 grams of glucose in a 300ml solution. Which of the following statements about food chain and energy . c) Enrichment Culture technique View Answer, 48. Antibiotic producing microorganisms can be detected by the method__________, 5. Butanol is obtained by fermenting molasses by. View Answer, 45. Which of the following method proceeds with 2-plate preparation? Q. Vegetative bacteria are able to withstand adverse conditions better than protozoan cysts. During their metabolism, microbes produce chemicals, some of which are used by human beings. D) A and C . A. Answer: A Set up a series of 1/10 dilutions: a. Multiple Choice. 8. b) 10-fold For e.g., cellulose producers grow on nutrient medium supplied with cellulose. B) nutrients are continuously fed into the reactor and the product is siphoned off during the run. Salting, as a preservative, 4.0 SECONDARY SCREENING OF MICROORGANISMS . b) coliforms Glycosylated hemoglobin: causes sickle cell anemia. Answer: A a. A) True E. coli is a sub-group of the fecal coliform group. 11. A test tube contains 9ml distilled water. Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include Penicillin causes inhibition of Mycoplasmas. b) Jenner The section contains multiple choice questions and answers on bioenergetics principles, energy production by photosynthesis, anaerobic and aerobic processes. 1. c) Spirillum volutans Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. other viruses are too dangerous to work with in a clinical lab setting. However, if environmental contamination can enter the system, pathogens could get in too. Everything you need to know about water and wastewater microbiology. screening of microorganisms includes mcqwarning signs for a deteriorating patient with covid 19 infection 2022.07.03 18:36 18:36 7. What is high throughput screening used for? Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. Home Class 12 Biology Objective Questions 250+ TOP MCQs on Microbes and Answers. C. 5 8 You can also check this one and can share your opinions on Cell Culture Plates Product. View Answer, 17. c. confining long hair and loose clothing . answer choices. You will lie on your back on an exam table, with your feet in stirrups. Your email address will not be published. Viral hemagglutination assays only work with certain types of viruses because. B) False, Freezing at below -20 oC will kill most pathogenic food bacteria and inactivate toxins. This is one of the widely used methods and more important. d) appendaged bacteria b) Rhodospirillum View Answer, 16. 4. Sugar fermentation test: Bacteria is grown in a sugar media. Allow discarding of many valueless microbes. MCQ.8): In which of the following bacterial condition, fimbriae helps the bacteria to stick to the mucous membrane of the host? A. c) Streptococcus thermophilus Place 6 test tubes into a rack and fill each with 9ml of 0.9% NaCl solution. The microorganisms from lakes and rivers can grow at a salt concentration 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. Which of the following method can be used to determine the number of bacteria quantitatively? For this dilution, it may be said that the solution was diluted _______ Microbes are only present in hot and humid areas.a) Trueb) FalseAnswer: bClarification: Microbes occur everywhere- in soil, water, air, inside our bodies and that of other animals and plants. View Answer, 12. 11. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. View Answer, 33. b) below 1 percent b) Auxanographic technique Which of the following microorganism produces dextran? Place the gram of soil into the first tube with saline and SHAKE WELL. is affected by the patient's food intake on the day of testing. The reason they are called microorganisms is that you can only see them when you use a microscope. Answer: D B. c) prophage a) elongated chipotle corporate phone number . 6. The common symptoms are pink or red spots on the skin surface, dry cough, and runny nose. 12. In an ecosystem, herbivores represent. c) base analog membranes of microorganisms. 11. Cryptococcosis is a disease of ________________ 14. (3) Attempt to synthesized secondary metabolites outside of their natural environment. b) Ferdinand Cohn d) Indicator dye technique A) radiation. Required fields are marked *. D. Indicator dye technique. Here are 1000 MCQs on Microbiology (Chapterwise). a) Phenol red plate . A test tube contains 9ml distilled water. The microorganisms secrete the enzymes into their nutrient medium to make better use of it. Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . a) False The process is repeated several times until the requirement is met. Creative Commons Attribution License d) Nitrosovibrio tenuis Which of the following morphological characteristics is an important identification characteristic of.