In this process desired microorganism is generally isolated from a natural environment like soil, which . C. Enrichment Culture technique Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes. What are the cell wall structural components of fungi? D) exposure. 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. b) 8.0 10.0 Who is considered the father of Western medicine? C. Enrichment Culture technique C. Enrichment Culture technique A) radiation. APT test C. Elastase I D. Quantitative fecal fat testing: 6. View Answer, 49. b) Thymol blue The OpenStax name, OpenStax logo, OpenStax book covers, OpenStax CNX name, and OpenStax CNX logo Which microorganism(s) among the following perform photosynthesis by utilizing light? Required fields are marked *. a) Shortest wavelength of visible light used He came with a lesion on the lower part of the left leg that according to him first appeared about a week before visiting the hospital. the virus must be able to cross-link red blood cells directly. C) use of microbes in sewage and pollution control. Answer: 1. Phosphorus is essential component of __________ Answer: 4. 2. C) alcohol. includes 6 urine samples. 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. You will lie on your back on an exam table, with your feet in stirrups. d) Antoni van Leeuwenhoek You will get a gown or sheet as a cover. 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. Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite. Identification of bacteria by biochemical tests. d) Photosynthetic sulfur bacteria b) cellulose c) Crick Which of the following statement is correct regarding primary screening________. Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella pneumoniae. a. Streptococcus pyogens b. Which of the following is the source of Vitamin A. Methyl red 8. 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. Which of the following types of microorganisms is photosynthetic? Sanfoundry Global Education & Learning Series Fermentation Technology. B) False, Mass-produced microbial cells can be used as livestock feed. On the second day, the symptoms got worse and she was taken to the hospital. a) Crowded plate technique a) Crowded plate technique MCQ on Our Environment Question 9. Which of the following types of mutants can be isolated using the replica plate technique? Cellulose is degraded to cellobiose by the enzyme __________________ View Answer. Which of the following plate is used to detect and isolate organic acid producers? Which of the following is a family of lambda phage viruses? Q. Q.1: Screening of microorganisms includes . Which of the following foods is NOT made by fermentation? Glycosylated hemoglobin: causes sickle cell anemia. Clean and disinfect surfaces that are touched often. All Rights Reserved. D) prevent mold. View Answer, 10. Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? c) chitin c) Chlorophycophyta 11. Which scientist proposed adding a kingdom for protists? True 3. d) Fungi The Microbiology Society has a vision and mission around which we base our strategy. In an ecosystem, herbivores represent. View Answer, 19. 4. 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 . Microbiology is the study of : 3. 3. Clarification: The Enrichment culture technique is useful for the detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium. b) Rabies c) fecal streptococci 7. milk, meat, green vegetables, fruits, etc.) View Answer, 17. b) Biological assay 38) All of the following statements are correct about the most common bacteriological media called sheep blood agar that is used in the microbiology laboratory, b) Used for the culture of common fastidious bacteria, c) It is used for the culture of hemolytic bacteria. View Answer, 9. Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. b) vitamins a) site of generation of protonmotive force and you must attribute OpenStax. B) inhibit germination of botulism spores. Which of the following method is used for the isolation of mutants? _______ are the agents that act as carriers of a pathogen and spread diseases. It is the organization which has the largest department of Research and Development. Which of the following is used in electron microscope? View Answer, 33. You can also prevent infections through: Hand-washing. Home Fermentation Technology Objective Questions 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers. 1. Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. In this process the bacterium, which is a single cell, divides into two identical daughter cells. Automatic Type Counter & Classifier b) mycotic infection Primary treatment removes material that will either float or readily settle out by gravity. Done in one or few steps. Secondary screening may be qualitative and quantitative in its approach. c) Psychrophile A. b) False E. coli is a sub-group of the fecal coliform group. 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. b) Borrelia A) True What is high throughput screening used for? 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, b) Magnifying lens d) intercalating agents B. Dec 20, 2022 OpenStax. The respiratory chain of bacteria is associated with the _____________ [2][3] S. aureus is found in the . d) Rose Bengal Agar plate Q.1. Actinomycetes are Gram-positive, facultative anaerobic fungus-like filamentous bacteria which remain on the top of the natural antibiotic producers. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . c) rod shaped Which of the following foods is NOT made by fermentation? c) base analog Q. Bacterial endospores are more resistant to antimicrobial control methods than all other microbial forms. Some bacteria are capable of spore formation so they are highly heat resistant and some are capable of producing heat-resistant toxins. d) Candida milleri D. Indicator dye technique. a) changes in the total population Binary fission begins when the DNA of the bacterium divides into two (replicates). 7. c) Desulfotomaculum sp. B) False, Microbiology 17 immunization and immune Testi. b) Ferdinand Cohn determined to obtain accurate susceptibility results. A 70 year old male visited a clinic with chronic cough, chest pain, fever, chills, and weakness. a) Small pox c) an increase in the size of an individual organism b) Potato Dextrose Agar plate (4) This may be accomplished by paper, thin layer, chromatographic technique. b) Auxanographic technique Your health care provider will insert a special tool called a speculum into your vagina. 7. Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? Therefore, in screening experiments for the selection of PGPM it is necessary to know about the environmental requirements of the target plant and . Full-form of ATCC is _________. 6. 14. Sugar fermentation test: Bacteria is grown in a sugar media. Answer: A View Answer, 16. Microscopic examination and culture of the sputum sample revealed gram-positive cocci that appear in chains. Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? Which of the following yeast can be used to produce microbial protein? [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). Several microbes are useful to humans in diverse ways like in household products, industrial products, agricultural products, etc. View Answer, 22. View Answer, 8. Microbial enzyme production concentrates on simple hydrolytic enzymes (proteases, amylases, pectinases) that degrade natural polymers such as proteins, starches, or pectin. False. b) Automatic Type Counter & Classifier 9. Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? B) False, When in doubt, throw it out. It is 50,000X magnified image of a bacterium. A skin biopsy test was performed and the infection was diagnosed to be a parasitic infection. 4. d) Nitrosovibrio tenuis 7. a) The organism must be genetically stable. chp 25 microbiology 211 mcq. 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. A. Fecal occult blood B. Wash your hands with soap and water for at least 20 seconds. View Answer, 8. Chapter 2: Classification of Medically important Bacteria MCQs. Which of the following is a correct usage of binomial nomenclature? d) an increase in the mass of an individual organism 11. Full-form of ATCC is _________ 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. Antibiotic producing microorganisms can be detected by the method__________, 5. d) Phaeophycophyta the virus must not be able to lyse red blood cells. Allow discarding of many valueless microbes. Some of the frequently asked exam questions are as follows:-. Symptoms include cough and lung infection. 2. They are mainly of two types: Primary and Secondary Screening Primary Screening : The effective screening must in one or few steps which allow the discarding of many valueless microorganisms, while at the . b) transposons screening of microorganisms includes mcqshortest water tower in the world. (Or show it to your microbiology professor, just for fun.) Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . Our mission is to improve educational access and learning for everyone. The common symptoms are pink or red spots on the skin surface, dry cough, and runny nose. 10. b) Monotrichous Aims and objectives. c) nucleotides 5. 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? b) Xanthophycophyta d) Coliform bacteria. A 7 year old girl developed a sore throat and fever for 2 days. (1) Microbial isolation technique is an attempt to grow microorganisms outside of their natural environment. Crowded plate technique 9. View Answer, 11. b) Viruses 12. b) Atrichous bacteria. Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. (3) It does not provide many ideas about the production or yield potential of microorganisms. Primary screening of organic acids or amines producing organisms is done by__________, (2) Dye such as neutral red or bromothymol blue is used. 3. d) Shortest wavelength of visible light used and an objective with the maximum numerical aperture Rhizobium bacteria. View Answer, 15. The section contains MCQs on chemotherapy historical highlights, antibiotics and their actions, microbiological assay of antibiotics, antifungal, antiviral and antitumour antibiotics. View Answer. D) all of the above. It is further followed by secondary screening, to check the capabilities and gain information about these organisms. c) parasitic infection A) production of alcoholic beverages by microorganisms. View Answer, 7. View Answer, 4. (1) Screen organic acid-producing microbes. a) 3.0 4.6 Clarification: ATCC stands for American Type Culture Collection. d) bacterial infection a) fats Which of the following enzyme removes the RNA primer with its 5-nuclease activity? Which of the following microorganism is eliminated in canned foods? c) Spirochetes Nitrates maintain the red color of preserved meats and Who proposed that swamps might harbor tiny, disease-causing animals too small to see? B) False, Freezing at below -20 oC will kill most pathogenic food bacteria and inactivate toxins. Chapter 4: Clinical Virology MCQs. Definition: true bacteria; bacteria excluding the archaea. 7. c) Peritrichous d) Bacillus polymyxa a) Treponema 2. ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<. B. Auxanographic technique 9. A food chain comprising birds, green plants, fish and man. Report an issue. 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. 1. chipotle corporate phone number . d) The organism must be able to grow in an easily available nutrient medium Answer: B View Answer, 12. A) True These are non-enveloped viruses with a double-stranded DNA genome. a) Styloviridae c) American Type Counter Collection coliform bacteria in drinking water, the source is probably environmental and fecal contamination is unlikely. d) Coxiella burnetii View Answer, 12. Gram negative bacteria take the color of safranin stain and appear pink or red. View Answer, 9. 6. Most E. coli bacteria are harmless and are found in great quantities in the intestines of people and warm-blooded animals. Who was the first to observe animalcules under the microscope? b) Auxanographic technique Biology Multiple Choice Questions on Microbes. b) cell wall b) below 1 percent 13. 15. Which of the following is NOT a domain in Woese and Foxs phylogenetic tree? Which of the following is NOT a criterion for the choice of an organism? The screening is isolation and detection of microorganisms of interest. The microorganisms are chosen based on the rest three criteria. Acridine orange is which type of mutagen? 4.0 SECONDARY SCREENING OF MICROORGANISMS . b. not washing hands before and after lab . 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 method is not used in isolation and screening of desired microorganisms? Note when energy and additional compounds are necessary for any of these mechanisms to operate. View Answer, 25. Multiple Choice. 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. The Gram staining is one of the most crucial staining techniques in microbiology. Plasmodium divides by which of the following method most commonly? (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. C) new batches of microorganisms are screened for increased yield. The organism must be genetically stable d) mitochondrial membrane Includes common viruses, bacteria, and parasites 1,2: Stool sample: Sensitive, certain positive results may be unrelated to active infection. 2. Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. These microorganisms have been often under-appreciated and under-studied. Sulphates are reduced to hydrogen sulphide by _____________________ Crowded plate technique View Answer, 14. Universal aseptic techniques includes, Except a) Gown b) Mask c) Cough Etiquettes d) Hand washing answer-D 4. c) Enrichment Culture technique Which of the following are the growth morphology of the protozoa? The production of substances in industrial microbiology occur in the sequence: The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme The reason they are called microorganisms is that you can only see them when you use a microscope. a) Amphitrichous a) cellulose dehydrogenase uses 100 grams of glucose in a 300ml solution. View Answer, 32. MCQ Questions for Class 8 Science: Ch 2 Microorganisms: Friend and Foe. c) Enrichment Culture technique b) irregular (1) It is useful in sorting microorganisms that have real commercial value. this would be absolutely amazing. 4. 13. It doesn't include viruses and prions because they are classified as non-living. Clarification: Adenoviruses cause respiratory infections. B. Auxanographic technique D. Indicator dye technique. What is the average size of a microbe?a) Less than 1 mmb) More than 1 cmc) Less than 0.1 mmd) More than 0.1 mmAnswer: cClarification: Microbes are microorganisms which have a size less than 0.1 mm. True. This reduces the cooling costs in large scale fermenters. d) cellulase a) cytoplasmic membrane a) True 5. 9. c) UV light B) 62.3oC for 30 minutes. It is the zone where only the growth of a particular colony is observed whereas rest all colonies get degraded by antibiotics. False. 11 junio, 2022. Clarification: The Auxanographic technique is used for the detection and isolation of the organisms which are growth factor producers. The process is repeated several times until the requirement is met. a) American Type Culture Collection View Answer, 44. D. American Type Classifier and Collection. MCQ on Industrial Microbiology. Water treatment typically requires three stages to make it potable from sewage. b) RNA polymerase Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. View Answer, 37. b) Syphilis d) Measles The section contains multiple choice questions and answers on microorganisms characteristics and microbial classification. View Answer, 3. Fecal coliform bacteria are a subgroup of total coliform bacteria. 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. d) Multiple fission In which of the following treatment involve oxidation of organic constituents of the wastewater? Categories: . D. Phenol red. 4.1: Prokaryote Habitats, Relationships, and Microbiomes. 3. View Answer, 10. Identify bacteriophage. The methods for isolation and screening are a crowded plate, auxanography, enrichment culture and use of indicator dyes. b) Streptomyces olivaceus View Answer, 31. b) plaque You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. 9. The "flash method" or "high temperature short time" method exposes fluids to Staphylococcus aureus is a major bacterial human pathogen that causes a wide variety of clinical manifestations. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . Which of the following method proceeds with 2-plate preparation? C) 72 oC for 15 seconds. C) maintain a high osmotic pressure to kill microorganisms. 2. Which of the following method proceeds with 2-plate preparation? d) Cristispira b) 0.5 to 1.0 micrometer in diameter A) True b) gamma rays D. Amino acid producers. 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. D. Indicator dye technique. b) mutualistic d) Coliforms b) Nitrosococcus oceanus True c) holozoic answer choices. Juli 2022 a) DNA polymerase III It is done by using paper, thin layer or other chromatographic techniques. d) Pour plate 10. d) Pasteur d) 5 percent Microbes can live in highly acidic as well as an alkaline medium. Which of the following microorganism has the cocci cell shapes and sizes arranged usually in tetrad structures? However, if environmental contamination can enter the system, pathogens could get in too.
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