[2][3] S. aureus is found in the . C) 72 oC for 15 seconds. b) Auxanographic technique Blood C. Electrolytes D. Water: 5. Which of the following are the growth morphology of the protozoa? B) False, Microbiology 17 immunization and immune Testi. View Answer, 8. a) Shortest wavelength of visible light used c) chitin 5. 10. A. Phenol red plate 42) Which of the following are the routine diagnostic methods performed for the microbial examination of blood specimens collected from a patient with a high fever for more than 2 days? d) Pasteur Auxanography technique is employed for detecting microorganisms able to produce__________. Bacterial Vaginosis Test: MedlinePlus Medical Test A) production of alcoholic beverages by microorganisms. It belongs to the phthalein family that is employed as an acid-base indicator. c) MacConkeys Agar plate Which microorganism(s) among the following perform photosynthesis by utilizing light? d) The organism must be able to grow in an easily available nutrient medium Which of the following is used in electron microscope? screening of microorganisms includes mcq Set up a series of 1/10 dilutions: a. a) Crowded plate technique Answer: B 5. A. (4) This may be accomplished by paper, thin layer, chromatographic technique. A 24 year old sexually active woman had an infection in the vaginal area with genital discharge while urinating. In the following diagram, what does the question mark represent?a) Ciliab) Flagellac) Haird) PseudopodiaAnswer: b The section contains questions and answers on diseases caused by staphylococcus, streptococcus, corynebacterium, aerobic and anaerobic gram, viruses containing single and double stranded dna. Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a Which of the following bacteria is an endospore-forming bacteria that is also a common foodborne pathogen? Bacteria MCQ s with Answers | Net Explanations It changes from yellow at pH 3.0 to blue-violet at pH 4.6. 4.E: Prokaryotic Diversity (Exercises) - Biology LibreTexts Which part of the compound microscope helps in gathering and focusing light rays on the specimen to be viewed? View Answer. If you are redistributing all or part of this book in a print format, You will get a gown or sheet as a cover. 15. 2. a) Alcoholic beverages Crowded plate technique 15. B. Auxanographic technique then you must include on every digital page view the following attribution: Use the information below to generate a citation. screening of microorganisms includes mcq c) 5 8 Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella . View Answer, 27. Mycoplasma pneumoniae is an unusual bacteria which has distinctive characteristics, such as. 9. MCQ Questions for Class 10 Science Our Environment with Answers Creative Commons Attribution License Defined media are prepared by adding precise amounts of highly purified inorganic or organic chemicals to distilled water. D. Rose Bengal Agar plate. c) Phenolphthalein C) are products that require additional processing before they can be packaged. Respiratory pathogens: Includes common viruses and atypical bacteria 2: NP swab: Pathogens may have prolonged shedding time; positive results may not rule out infection from other pathogens. Clarification: The use of Indicator Dye Technique is used for detection and isolation of the organisms which are organic acid producers. C. Enrichment Culture technique a) Crowded plate technique d) Prototheca Microorganisms Class 8 Notes, Question Answers - successcds c) Psychrophile MCQs Bacteriology (1-10): With Answers and Explanations Answer: C c) neither aerobic and anaerobic cells Wastewater treatment - Primary treatment | Britannica a) changes in the total population Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. d) Gram-positive bacteria b) ribitol residues A) True Clarification: The Crowded Plate Technique is used for the detection and isolation of the organisms which are antibiotic producers. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . It is done by using paper, thin layer or other chromatographic techniques. All of the above. Wash your hands with soap and water for at least 20 seconds. Candidiasis is a fungal infection, skin infection, and mouth or vaginal infection that can occur due to the overgrowth of the fungus. B. Thymol blue The section contains questions and answers on energy utilization in biosynthetic and nonbiosynthetic processes, transcription and translation of genetic information and protein synthesis process. The section contains questions and answers on sanitary quality of water, wastewater, treatment processes, fresh foods microbial flora, food preservation and microorganisms. Growth Factor producers In this process the bacterium, which is a single cell, divides into two identical daughter cells. 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. a) plasmid b) Streak-plate Which of the following method is not used in isolation and screening of desired microorganisms? Secondary screening helps in detecting really useful microorganisms in fermentation processes, which includes A microorganism is a living thing that is too small to be seen with the naked eye. 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) Robert Koch c) prophage b) False Clarification: The pH range of Bromophenol blue is 3.0 4.6. Some examples of Spherical shaped bacteria include Staph aureus, Staph epidermidis, Staph haemolyticus, Strep pyrogenes, etc. It is 50,000X magnified image of a bacterium. 1. View Answer, 35. b) Auxanographic technique 1g of soil is added to that test tube and the soil is allowed to settle down. Biotechnology, the practical application of microorganisms in making products for human use, is a relatively new science, begun since Pasteur's time. Microbiology MCQ With Answers Keys. Free Download - BYJUS d) saprophytic B) False, Pasteurization is used to sterilize milk. False. a) cellulose dehydrogenase 1999-2023, Rice University. The screening is isolation and detection of microorganisms of interest. You can also download the PDF of Microbiology MCQs by applying below. What is the name of the procedure performed under sterile conditions to eliminate B) nutrients are continuously fed into the reactor and the product is siphoned off during the run. c) cytoplasm d) Study of microscope Clarification: Adenoviruses cause respiratory infections. Which of the following is a prokaryotic microorganism? Chemical preservatives do NOT include Secondary screening helps in detecting really useful microorganisms in fermentation processes, which includes, (1) Detection and isolation of microorganisms that possess potentially interesting industrial application, (3) It helps in providing information regarding the product yield potentials of different isolates. C) new batches of microorganisms are screened for increased yield. Screening of Industrially Important Microorganism The "flash method" or "high temperature short time" method exposes fluids to B) heat. [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). c) nucleotides a) fats Rapid Diagnostic Tests for Infectious Diseases c) The optimum temperature for the growth of an organism must be above 50C. Sugar fermentation test: Bacteria is grown in a sugar media. a) phospholipids 13. Sulphur can be utilized by bacteria in the a. Phosphorus is essential component of __________ Antibiotic producers A. D. Indicator dye technique. a) Small pox All microbes are harmful to humankind.a) Trueb) FalseAnswer: bClarification: Although microbes cause a large number of diseases in human beings, various animals and plants, but not all microbes are harmful. c. Let the soil particles settle after shaking and then transfer 1ml of the solution into tube 2. [1] Often the first test performed, gram staining involves the use of crystal violet or methylene blue as the primary color. View Answer, 21. c) Enrichment Culture technique 12. D. 6.4 8.0. B) False, Hot foods must be maintained above 60 oC to inhibit microbial growth. MCQ.8): In which of the following bacterial condition, fimbriae helps the bacteria to stick to the mucous membrane of the host? C) selecting microbial strains that lack a feedback system. The section contains multiple choice questions and answers on microorganisms characteristics and microbial classification. Gram negative bacteria take the color of safranin stain and appear pink or red. a) Final treatment Clarification: The question mark in the following figure represents flagella of a rod-shaped bacterium. Clarification: Auxanographic technique proceeds with 2-plate preparation. 5. D) removal of waste, inoculation, fermentation, downstream processing. The common symptoms are pink or red spots on the skin surface, dry cough, and runny nose. Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. 1g of soil is added to that test tube and the soil is allowed to settle down. d) glucose residues Home Class 12 Biology Objective Questions 250+ TOP MCQs on Microbes and Answers. a) Treponema Which of the following microorganism produces dextran? Some of the frequently asked exam questions are as follows:-. d) 6.4 8.0 All the microorganisms such as amoeba, protozoa, viruses, bacteria are studied under microbiology. A test tube contains 9ml distilled water. Answer: A The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme A sputum sample was taken for the lab diagnosis for the isolation and identification of the microorganism. B. Which of the following is a type of fungal microorganism? Microbiology Question Bank PDF book covers problem solving exam tests from microbiology textbook and practical book's chapters as: Chapter 1: Basic Mycology MCQs. However, if environmental contamination can enter the system, pathogens could get in too. a) Leuconostoc citrovorum Sulphates are reduced to hydrogen sulphide by _____________________ 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. 1. Crowded plate technique B) mass, controlled culture of microbes to synthesize products. 2. Screening of industrial Microorganisms Quiz - Quizizz View Answer, 19. Clarification: The prototrophs are the organisms which are capable of synthesizing all the growth requirements by themselves whereas auxotroph is dependent on prototrophs. C. 5 8 Which of the following yeast can be used to produce microbial protein? View Answer, 5. Several microbes are useful to humans in diverse ways like in household products, industrial products, agricultural products, etc. b) Borrelia a) peptidoglycan A) fermentation, downstream processing, removal of waste, inoculation. View Answer, 41. Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include Contact Us. a) 3.0 4.6 A. D. Indicator dye technique. A. Fecal occult blood B. b) Fungi 10-fold d) cellulase Which of the following is the standard resource for identifying bacteria? A routine GTT: is three hours long. d) Fungi 10. C. Enrichment Culture technique Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes. The section contains MCQs on size, shape and arrangement of bacterial cells, cell wall, structures external and internal to the cell wall. Which among the following is a pathogenic algae for humans? (2) It determines which microorganisms can produce a compound. B. (3) It provides information on whether the product formed by microorganisms is new or not. b) Syphilis Cellulose is degraded to cellobiose by the enzyme __________________ Everything you need to know about water and wastewater microbiology. 1. The microorganisms secrete the enzymes into their nutrient medium to make better use of it. c) ribitol or glycerol residues Answer: D b) The organism must be able to produce a high yield of product. Disinfection MCQ [Free PDF] - Objective Question Answer for - Testbook The Gram staining is one of the most crucial staining techniques in microbiology. magic island poem tone Consult Now 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. C. American Type Counter Collection b) Jenner 6.8 - 7.2 b. A) retards growth of Staphylococcus aureus. this would be absolutely amazing. a) Mesophile Categories: . 10. What is the approximate size of the bacterial cell? View Answer, 44. 250+ TOP MCQs on Microbes and Answers 2023 - FAQs Interview Questions Gram Staining - StatPearls - NCBI Bookshelf Answer: B screening of microorganisms includes mcq; screening of microorganisms includes mcq. 5. answer choices. a) Crowded plate technique Secondary screening can give information about (1) The genetic instability in microbial cultures (2) Number of products produced in a single fermentation (3) The structure of the product (4) All of the above. Which of the following are important primary screening techniques? 8. Which of the following enzyme removes the RNA primer with its 5-nuclease activity? d) both aerobic and anaerobic cells On the second day, the symptoms got worse and she was taken to the hospital. B) plasmolyzes bacteria and fungi. False. It is the zone where only the growth of a particular colony is observed whereas rest all colonies get degraded by antibiotics. Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. B. The production of substances in industrial microbiology occur in the sequence: You can also check this one and can share your opinions on Cell Culture Plates Product. View Answer, 11. View Answer, 14. Lipopolysaccharide in cell walls is characteristic of? Eubacteria - Definition and Examples - Biology Online Dictionary (PDF) Mcqs in microbiology | Mohammed Bilal - Academia.edu MCQ on Industrial Microbiology. 25. a)Microaerophilic. Home Fermentation Technology Objective Questions 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers. 7. c) Microviridae These particles may consist of a single, unattached organism or may occur in the form of clumps composed of a number of . 13. Answer: 1. 2011-2023 Sanfoundry. a) The organism must be genetically stable Biodegradation: Involved Microorganisms and Genetically Engineered d) Corynebacterium diphtheriae What is the fecal test that requires a 3-day specimen? b) an increase in number of cells Screens are made of long, closely spaced, narrow metal bars. This book uses the Performance and sterility testing of media lots should also be determined and C. MacConkeys Agar plate 26. The normal composition of feces includes all of the following except: A. Bacteria B. c) An objective with minimum numerical aperture False. A food chain comprising birds, green plants, fish and man. Aims and objectives. First link in any food chain is usually green plants because. milk, meat, green vegetables, fruits, etc.) c) Peritrichous C. Enrichment Culture technique Which of the following method is used for the isolation of mutants? Place 6 test tubes into a rack and fill each with 9ml of 0.9% NaCl solution. It is important to find and resolve the source of the contamination. screening of microorganisms includes mcqwarning signs for a deteriorating patient with covid 19 infection 2022.07.03 18:36 18:36 c) Objective lens In which of the following treatment involve oxidation of organic constituents of the wastewater? b) True (2) Chemical, physical and biological properties of a product are also determined during secondary screening. It doesn't include viruses and prions because they are classified as non-living. Therefore, the exact composition of a defined medium is known. D) prevent mold. Chapter 2: Classification of Medically important Bacteria MCQs. 6. a. The section contains questions and answers on cell division modes, bacteria growth cycle and quantitative measurement. 8.0 10.0 d) intercalating agents Prokaryotes are very flexible metabolically, so they are able to adjust their feeding to the available natural resources. Which of the following is the example of encapsulated gram-positive bacteria? a) Killing all microorganisms. C. Organic acid producers This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. Which was the first disease for which a chemotherapeutic agent was used? the virus must be able to cross-link red blood cells directly. View Answer, 43. Which of the following plate is used to detect and isolate organic acid producers? Note when energy and additional compounds are necessary for any of these mechanisms to operate. Microbiology is the study of : 3. c) Enrichment Culture technique The section contains MCQs on phages structure and morphology, bacterial viruses replication, lysogeny and lytic. a) Thiobacillus thiooxidans PDF Question Bank Multiple choice - Virginia Tech D. Hanging Drop technique. b) transposons 40) Biochemical tests are a common and conventional laboratory procedure in the differentiation and identification of enteric bacteria. D) small-scale production is used to synthesize product. d) Primary treatment View Answer, 32. Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . 13. Methyl red Types of pathogens include specific bacteria strains, viruses, fungi, or parasites that can cause illness in its host. The growth factor-like amino acids, vitamins promotes the growth of auxotrophic mutants. Which of the following method is not used in isolation and screening of desired microorganisms? C. Phenolphthalein Prokaryotes can be found everywhere on our planet, even in the most extreme environments. A) True 3. b) Atrichous bacteria. A. The following diagram shows an adenovirus: ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<, Your email address will not be published. All Rights Reserved. 6. 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. 31) Name the bacteria of the Enterobacteriaceae family that have the following characteristics? PDF Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi Which among the following is not an ammonia-oxidizing bacteria? c) Pour-plate and spread plate Which organisms show the zone of inhibition grown on a Petri plate? B. c) The optimum temperature for the growth of an organism must be above 50C True Our mission is to improve educational access and learning for everyone. microbiology mcqs online test / microbiology mcq quiz / microbiology Primary methods to prevent food spoilage do NOT include Which of the following is the most accurate method for microbial assay of antibiotics? b) Magnifying lens View Answer, 10. d) Indicator dye technique Antibiotic producing microorganisms can be detected by the method__________, 5. Staphylococcus Aureus - StatPearls - NCBI Bookshelf Which isolation technique is most effective? Except where otherwise noted, textbooks on this site Due to the climatic and geographical diversity of Nepal, a wide range of microorganisms with potent source of antimicrobials are available. Trichomonas vaginitis (TV) MCQs Flashcards | Quizlet View Answer, 8. Secondary metabolites MCQ's For Lab Technician And Technologists - Part 6 - Lab Tests Guide pH, cations, thymidine or thymine, use of supplemented media). 1. 3. View Answer, 26. (1) Microbial isolation technique is an attempt to grow microorganisms outside of their natural environment. C) inoculation, fermentation, downstream processing, removal of waste. 1. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. Full-form of ATCC is _________ False. It works best in this range and is also used as a tracking dye in Agarose-Gel Electrophoresis. The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against. Microscopic examination and culture of the sputum sample revealed gram-positive cocci that appear in chains. 4.0 SECONDARY SCREENING OF MICROORGANISMS . View Answer, 28. Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? Which one of the following is called as the 'brewers yeast'. View Answer, 2. Who is known as the father of Microbiology? a) Vibrio cholerae 14. Cystic fibrosis is an inherited disease, infection in the lungs and digestive system. other viruses are too dangerous to work with in a clinical lab setting. c) Cyanobacteria Answer: A 3. 9. 2011-2023 Sanfoundry. Which of the following method is not used in isolation and screening of desired microorganisms? Isolation of Microorganisms MCQ Questions and Answers A) True Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? 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. a) above 1 percent 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. _______ are the agents that act as carriers of a pathogen and spread diseases. d) Malaria Which of the following is NOT a domain in Woese and Foxs phylogenetic tree? c) Binary fission You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. Definition: true bacteria; bacteria excluding the archaea. 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. View Answer. Wish you the best in your endeavor to learn and master Microbiology! 2. Measles is a disease caused by a virus, it is spread via respiratory droplets. Which of the following plate is used to detect and isolate organic acid producers? answer choices. View Answer, 3. c) Enrichment Culture technique True. 4. d) Amino acid producers 14. Thank you so much for sharing. 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. A 70 year old male visited a clinic with chronic cough, chest pain, fever, chills, and weakness. 3. Who was the first to observe "animalcules" under the microscope? b) teichoic acid c) Streptococci. C) alcohol. a) Amphitrichous MCQ on Isolation, classification and Identification of microorganisms D. Indicator dye technique. Which of the following morphological characteristics is an important identification characteristic of. Bacterial cells grown in a medium exposed to high osmotic pressure, changes shape from rod-shaped to __________ shaped. Frontiers | Successful Plant Growth-Promoting Microbes: Inoculation It includes the physical processes of screening, comminution, grit removal, and sedimentation.
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