C. Enrichment Culture technique Bacterial cells grown in a medium exposed to high osmotic pressure, changes shape from rod-shaped to __________ shaped. A sputum sample was taken for the lab diagnosis for the isolation and identification of the microorganism. 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. d) 6.4 8.0 A. D. Phenol red. The section contains questions and answers on energy utilization in biosynthetic and nonbiosynthetic processes, transcription and translation of genetic information and protein synthesis process. d) 5 percent A test tube contains 9ml distilled water. 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. 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, 20. B. Auxanographic technique Which of the following microorganism has the cocci cell shapes and sizes arranged usually in tetrad structures? b) teichoic acid b) Automatic Type Counter & Classifier 25. a)Microaerophilic. Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? 10. Prokaryotes are very flexible metabolically, so they are able to adjust their feeding to the available natural resources. A 19-year-old male living in a tropical region of India visited the hospital. View Answer, 42. All of the above. 3. View Answer. d) saprophytic Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? d) Corynebacterium diphtheriae Coliform Bacteria in Drinking Water - Washington State Department of Health B) False, Pasteurization is used to sterilize milk. Except where otherwise noted, textbooks on this site Clarification: Hanging drop technique is used for motility testing of bacteria. d) Shortest wavelength of visible light used and an objective with the maximum numerical aperture membranes of microorganisms. d) 2 micrometer in diameter Most E. coli bacteria are harmless and are found in great quantities in the intestines of people and warm-blooded animals. c) Nitrosomonas europaea Q.1. Clarification: The Crowded Plate Technique is used for the detection and isolation of the organisms which are antibiotic producers. Ch. 20 Multiple Choice - Microbiology | OpenStax Screening of Industrially Important Microorganism - Learn Insta 10. b) Syphilis C) are products that require additional processing before they can be packaged. 2. Who is considered the "father of Western medicine"? 7: Isolation of an Antibiotic Producer from soil The section contains MCQs on phages structure and morphology, bacterial viruses replication, lysogeny and lytic. c) Organic acid producers _______ are the agents that act as carriers of a pathogen and spread diseases. other viruses are too dangerous to work with in a clinical lab setting. Microbiology is the study of : 3. C. Phenolphthalein B) using small scale containers to concentrate production. This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'. A BV test is done in a similar way as a pelvic exam or Pap smear. c) AIDS Often overlooked, hand-washing is one of the easiest and most effective ways to protect yourself from germs and most infections. B. Which of the following are present in teichoic acids? Vaccination was invented by ____________ Air Sampling. Performance and sterility testing of media lots should also be determined and Microbiology Question Bank PDF book covers problem solving exam tests from microbiology textbook and practical book's chapters as: Chapter 1: Basic Mycology MCQs. Answer: B The Microbiology Society has a vision and mission around which we base our strategy. (retrieve https://www.learningsta.com, April 2021) 2.0 SCREENING . b) Candida utilis View Answer, 10. Wash your hands with soap and water for at least 20 seconds. View Answer, 37. magic island poem tone Consult Now Trichomonas vaginitis (TV) MCQs Flashcards | Quizlet D) prevent mold. 37) Which of the following is the selective media used for the cultivation and isolation of. View Answer, 43. In an ecosystem, herbivores represent. c) Chlorella True. View Answer, 44. a. Streptococcus pyogens b. (3) It provides information on whether the product formed by microorganisms is new or not. 1999-2023, Rice University. 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. Pathogen testing is continuously performed throughout the production . It is colourless at pH 8.0 and becomes red at pH above 10.0. Which part of the compound microscope helps in gathering and focusing light rays on the specimen to be viewed? During their metabolism, microbes produce chemicals, some of which are used by human beings. A) organic acids. It doesn't include viruses and prions because they are classified as non-living. Which of the following media is used for screening amylase? B) False, HACCP Hazard Analysis and Critical Control Point uses random samples for quality control of the food supply. A. Methyl red About Oracle NetSuite. d) The organism must be able to grow in an easily available nutrient medium d) Photosynthetic sulfur bacteria Which of the following morphological characteristics is an important identification characteristic of. Answer: C (1) Screen organic acid-producing microbes. The organism must be genetically stable d) Rose Bengal Agar plate screening of microorganisms includes mcqshortest water tower in the world. 1. Which of the following is a family of lambda phage viruses? A. d) intercalating agents 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. It will immensely help anyone trying to crack an exam or an interview. 2011-2023 Sanfoundry. 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 2. View Answer, 24. Now that you have read Lesson 5 and have completed the exercises, you should be ready to take the self-assessment quiz. 15. View Answer. The process is repeated several times until the requirement is met. The OpenStax name, OpenStax logo, OpenStax book covers, OpenStax CNX name, and OpenStax CNX logo a) Leuconostoc mesenteroides On the second day, the symptoms got worse and she was taken to the hospital. a) Condenser lens In this process the bacterium, which is a single cell, divides into two identical daughter cells. View Answer, 9. c) 5 8 Glycosylated hemoglobin: causes sickle cell anemia. 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. c) Secondary treatment b) 0.5 to 1.0 micrometer in diameter The section contains questions and answers on diseases caused by staphylococcus, streptococcus, corynebacterium, aerobic and anaerobic gram, viruses containing single and double stranded dna. Engineering 2023 , FAQs Interview Questions. C. The optimum temperature for the growth of an organism must be above 50C All Rights Reserved. a) chemical compounds d) mitochondrial membrane B) False, When in doubt, throw it out. d) Indicator dye technique a) anaerobic cells Which of the following are important primary screening techniques? Each daughter cell is a clone of the parent cell. C. Enrichment Culture technique b) Streptococcus lactis 1g of soil is added to that test tube and the soil is allowed to settle down. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . The methods for isolation and screening are a crowded plate, auxanography, enrichment culture and use of indicator dyes. b) Fungi 4. The reason they are called microorganisms is that you can only see them when you use a microscope. c) Breads PDF Coliform Bacteria and Drinking Water - Washington State Department of Which one of the following is called as the 'brewers yeast'. The section contains MCQs on microorganisms, industry, industrial uses of bacteria, molds and yeasts, genotypic changes, bacterial recombination and conjugation, bacterial transduction and transformation. Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. a) Gram-negative organisms b) Nitrosococcus oceanus 40) Biochemical tests are a common and conventional laboratory procedure in the differentiation and identification of enteric bacteria. 7. b) Rhodospirillum The section contains questions and answers on cell division modes, bacteria growth cycle and quantitative measurement. It is used to reduce the dense culture of cells to usable concentration. Some of the frequently asked exam questions are as follows:-. It should be active and stable and environmentally safe. B) 62.3oC for 30 minutes. 4. d) Hanging Drop technique What are the cell wall structural components of fungi? Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? Which of the following is a type of fungal microorganism? Sulphates are reduced to hydrogen sulphide by _____________________ These particles may consist of a single, unattached organism or may occur in the form of clumps composed of a number of . 11. View Answer, 14. Which of the following is the example of encapsulated gram-positive bacteria? View Answer, 15. a) True 9. 1. b) Microbacteria b) Magnifying lens View Answer, 46. 13. Primary treatment removes material that will either float or readily settle out by gravity. a) Crowded plate technique They are present even at sites where no other life-form could possibly exist- sites such as deep inside geysers, deep in the soil, etc. b) Auxanographic technique There are various microorganisms types like bacteria, fungi, archaea, or protists. View Answer, 26. Which isolation technique is most commonly used for colony isolation in the laboratory? B) False, Microbiology 17 immunization and immune Testi. B. 15. This is one of the widely used methods and more important. Answer: 4. d) Amino acid producers c) MacConkeys Agar plate OpenStax is part of Rice University, which is a 501(c)(3) nonprofit. A) True Answer: C Therefore, in screening experiments for the selection of PGPM it is necessary to know about the environmental requirements of the target plant and . For e.g., cellulose producers grow on nutrient medium supplied with cellulose. True. Place 6 test tubes into a rack and fill each with 9ml of 0.9% NaCl solution. C. Enrichment Culture technique Which of the following are produced by microorganisms? Which of the following yeast can be used to produce microbial protein? This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. Clarification: ATCC stands for American Type Culture Collection. a) parasitic a) Cephaleuros Which of the following method is not used in isolation and screening of desired microorganisms? B) plasmolyzes bacteria and fungi. Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. Which of the following microorganism produces dextran? Secondary screening may be qualitative and quantitative in its approach. The Quizzes about Fecal Analysis (32 tests) - MedQuizzes a) DNA polymerase III Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. Which of the following is used in electron microscope? b) below 1 percent 5. Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single circular chromosome. Genetic engineering is also used to improve the biodegradation . Self-Assessment Quiz. The "flash method" or "high temperature short time" method exposes fluids to (4) Attempt to Stain microorganisms. The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. 26. a) plasmid b) mycotic infection 9. True b) Auxanographic technique The organic acid producers produce acid which changes the colour of media and is thus detected easily. Clarification: The Antibiotic producers show the zone of inhibition. Principles of Epidemiology: Lesson 5 Quiz|Self-Study Course SS1978|CDC The Gram staining is one of the most crucial staining techniques in microbiology. 1. View Answer, 6. View Answer, 19. a) Eremothecium ashbyi 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. 1. Disinfection MCQ [Free PDF] - Objective Question Answer for - Testbook b) gamma rays Each of the following organisms is an important cause of urinary tract infections except: a. Klebsiella pneumoniae b. Escherichia coli c. Bacteriodes fragilis d. Proteus mirabilis; A 30-year woman has non-bloody diarrhea for the past 14 hours. View Answer, 23. It belongs to the phthalein family that is employed as an acid-base indicator. 2. The objective of this study was to isolate, identify, and screen the potential antimicrobial-producing . View Answer, 13. d. using damaged equipment and glassware. uses 50 grams of glucose in a 500ml solution. 7. (PDF) Screening for Microbes b) The organism must be able to produce a high yield of product. 2. d) Multiple fission a) Thiobacillus thiooxidans However, if environmental contamination can enter the system, pathogens could get in too. c) base analog D. American Type Classifier and Collection. d) American Type Classifier and Collection Microbiology Multiple Choice Questions and Answers (MCQs) a) Small pox View Answer, 7. Defined media are prepared by adding precise amounts of highly purified inorganic or organic chemicals to distilled water. B) are by-products of metabolism that are not important to microbe function. 45) What are the types of general characteristics that are important for the identification and classification of protozoa? 2. b) Advanced treatment Pathogen testing is used to identify pathogenic organisms in manufacturing environments, ingredients or finished products that could harm the consumer. In modern plants the screens are cleaned . Diagnostic Microbiology - MCQs Flashcards | Quizlet Chrysolaminarin is the reserved food of ___________________ In regions of the estuary that are nutritionally poor, it is more likely to find which of the following organisms? A. 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 microbes play a major role in nutrient cycling, decomposition, food spoilage, control and cause of diseases and biotechnology. d) Lactobacillus acidophilus D. Hanging Drop technique. Which of the following foods is NOT made by fermentation? D. Indicator dye technique. chp 25 microbiology 211 mcq. B) inoculation, downstream processing, fermentation, removal of waste. are not subject to the Creative Commons license and may not be reproduced without the prior and express written b) Treponema pallidum Some bacteria are capable of spore formation so they are highly heat resistant and some are capable of producing heat-resistant toxins. Isolation of Microorganisms MCQ Questions and Answers D. Indicator dye technique. Which of the following are the growth morphology of the protozoa? View Answer, 2. The section contains MCQs on diseases caused by fungi and protozoa, therapeutic drugs for fungal treatment and protozoan diseases. 12. Water treatment typically requires three stages to make it potable from sewage. In the following diagram, what does the question mark represent?a) Ciliab) Flagellac) Haird) PseudopodiaAnswer: b uses 100 grams of glucose in a 300ml solution. View Answer. Who was the first to observe animalcules under the microscope? We recommend using a A) True c) The optimum temperature for the growth of an organism must be above 50C. b) Rabies a) Bacillariophycophyta The screening is isolation and detection of microorganisms of interest. The organism must be able to produce a high yield of product a) Treponema 4. b) RNA polymerase c) Chemical assay a) viral infection View Answer, 6. First link in any food chain is usually green plants because. 6. Bacteria | What is microbiology? | Microbiology Society Which of the following bacteria is an endospore-forming bacteria that is also a common foodborne pathogen? 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. Some examples of Spherical shaped bacteria include Staph aureus, Staph epidermidis, Staph haemolyticus, Strep pyrogenes, etc. 4.E: Prokaryotic Diversity (Exercises) - Biology LibreTexts
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