screening of microorganisms includes mcq
4.1: Prokaryote Habitats, Relationships, and Microbiomes. b) Treponema pallidum You can also download the PDF of Microbiology MCQs by applying below. [2] The term for organisms that retain the . View Answer, 30. B. b) vitamins Which shape of bacteria has been represented in the following diagram? The section contains multiple choice questions and answers on morphology, reproduction, physiology and fungi cultivation, fungi classification and special interest. chipotle corporate phone number . D. Amino acid producers. The process is repeated several times until the requirement is met. Except where otherwise noted, textbooks on this site Biological contaminants occur in the air as aerosols and may include bacteria, fungi, viruses, and pollens. It is further followed by secondary screening, to check the capabilities and gain information about these organisms. Which of the following microorganism produces dextran? A. Screening of Microorganisms MCQ with Answers - YB Study D. Indicator dye technique. magic island poem tone Consult Now d) All of the mentioned Screens are made of long, closely spaced, narrow metal bars. 13. d) Phenol red 1. You will lie on your back on an exam table, with your feet in stirrups. 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. B) inhibit germination of botulism spores. b) Auxanographic technique Clarification: The Antibiotic producers show the zone of inhibition. 10. Who was the first to observe animalcules under the microscope? Some strains, however, can cause illness. b) Microbacteria 4. D. 6.4 8.0. The well-isolated colonies are antibiotic producers with the zone of inhibition. Answer: A The section contains questions and answers on control fundamentals, physical agents, chemical agents characteristics, antimicrobial agents groups and antimicrobial chemical agents evaluation. Rapid Diagnostic Tests for Infectious Diseases C) inoculation, fermentation, downstream processing, removal of waste. C. perfringens is a spore-forming bacteria, that produce H 2 S and hemolysis on blood agar. Set up a series of 1/10 dilutions: a. On the second day, the symptoms got worse and she was taken to the hospital. The section contains multiple choice questions and answers on microorganisms characteristics and microbial classification. 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Clarification: The optimum temperature for the growth of an organism should be above 40C. d) Gram-positive bacteria MCQ.9):Which bacteria have flagella of amphitrichous type means the flagellum are present at both the sides? Clarification: The prototrophs are the organisms which are capable of synthesizing all the growth requirements by themselves whereas auxotroph is dependent on prototrophs. Q. Bacterial endospores are more resistant to antimicrobial control methods than all other microbial forms. c) DNA polymerase I First link in any food chain is usually green plants because. 11 junio, 2022. a) False Which of the following dye is colourless at acidic pH and becomes red at basic pH? The section contains questions and answers on energy utilization in biosynthetic and nonbiosynthetic processes, transcription and translation of genetic information and protein synthesis process. Chapter 2: Classification of Medically important Bacteria MCQs. Mycobacteria f"u001e MCQs IN MICROBIOLOGY 13. pH required for the growth of bacteria is 22. 2. b) Auxanographic technique b) Streptococcus lactis c) Gram-negative bacteria 1. A. Which of the following plate is used to detect and isolate organic acid producers? a) Spread-plate 8. Good work practices include, a. smelling and tasting chemicals . You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. What is required for proper isolation of microorganisms? Which of the following is NOT a domain in Woese and Foxs phylogenetic tree? Clarification: ATCC stands for American Type Culture Collection. c) Chlorella a) Gram-negative organisms A) production of alcoholic beverages by microorganisms. 2011-2023 Sanfoundry. screening of microorganisms includes mcq. c) Study of organisms that are not visible to naked eyes What are the cell wall structural components of fungi? 3. A) True 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. c) Chlorophycophyta d) both aerobic and anaerobic cells Microorganisms Class 8 Science Chapter 2 as per NCERT Book used in CBSE and other Schools. Which scientist proposed adding a kingdom for protists? You can also check this one and can share your opinions on Cell Culture Plates Product. Answer: D b) Auxanographic technique [2][3] S. aureus is found in the . You can also prevent infections through: Hand-washing. The organism must be genetically stable Candidiasis is a fungal infection, skin infection, and mouth or vaginal infection that can occur due to the overgrowth of the fungus. D) 134 oC for 1 second. C. Enrichment Culture technique chp 25 microbiology 211 mcq Flashcards | Quizlet The section contains questions and answers on diseases caused by staphylococcus, streptococcus, corynebacterium, aerobic and anaerobic gram, viruses containing single and double stranded dna. Primary treatment removes material that will either float or readily settle out by gravity. Q.1. Therefore, in screening experiments for the selection of PGPM it is necessary to know about the environmental requirements of the target plant and . c) beta-glucosidase Which of the following method is used for the isolation of mutants? 12. It is the zone where only the growth of a particular colony is observed whereas rest all colonies get degraded by antibiotics. d) Measles Crowded plate technique Includes common viruses, bacteria, and parasites 1,2: Stool sample: Sensitive, certain positive results may be unrelated to active infection. ticks and fleas. 2. 1. A. A) True Microscopic examination and culture of the sputum sample revealed gram-positive cocci that appear in chains. Contact Us. View Answer, 15. Primary screening of organic acids or amines producing organisms is done by__________, (2) Dye such as neutral red or bromothymol blue is used. 3. c) holozoic Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . 5. Secondary screening may be qualitative and quantitative in its approach. View Answer, 9. D) exposure. b) Magnifying lens Each daughter cell is a clone of the parent cell. 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) An objective with minimum numerical aperture is affected by the patient's food intake on the day of testing. It should have a fast rate of kill of micro-organisms. Bacterial Identification | 8 Methods & Tests In Microbiology - Study Read Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes. 11. 1999-2023, Rice University. b) Auxanographic technique Cellulose is degraded to cellobiose by the enzyme __________________ d) Bacillus polymyxa 43) Which of the following methods are the most common and routine culture methods performed in the microbiology lab for the proper isolation and identification of bacteria and fungi? Phagocytosis is a critical part of the immune system. b) False The methods for isolation and screening are a crowded plate, auxanography, enrichment culture and use of indicator dyes. MCQ on Industrial Microbiology - MCQ Biology.com Which of the following plate is used to detect and isolate organic acid producers? B. d) Pedoviridae Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include Indeed, until Anton von Leeuwenhoek invented . Label these plates 1/10 3 through 1/10 6. c) fecal streptococci Tyrocidines are more effective against ___________________ screening of microorganisms includes mcqshortest water tower in the world. D. Indicator dye technique. Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite. A) are essential to microbe function. Which of the following is NOT a criterion for the choice of an organism? A 24 year old sexually active woman had an infection in the vaginal area with genital discharge while urinating. c) Mumps consent of Rice University. Trophic level in an ecosystem represents. Your email address will not be published. a) fats 10. Which of the following method proceeds with 2-plate preparation? If you are redistributing all or part of this book in a print format, a) viral infection 14. b) plaque View Answer. The following diagram shows an adenovirus: ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<, Your email address will not be published. 4. 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The screening is isolation and detection of microorganisms of interest. The Gram staining is one of the most crucial staining techniques in microbiology. D) all of the above. b) Streptomyces olivaceus D. Rose Bengal Agar plate. Actinomycetes are Gram-positive, facultative anaerobic fungus-like filamentous bacteria which remain on the top of the natural antibiotic producers. Home Class 12 Biology Objective Questions 250+ TOP MCQs on Microbes and Answers. 8. b) False C. Enrichment Culture technique a) glycerol residues View Answer, 23. d) Multiple fission Genetic engineering is also used to improve the biodegradation . Avoid contaminated food and water. 44) Which of the following microorganisms can grow only as strict intracellular parasites? The growth factor-like amino acids, vitamins promotes the growth of auxotrophic mutants. True. B) False, Freezing at below -20 oC will kill most pathogenic food bacteria and inactivate toxins. A) True Report an issue. 2011-2023 Sanfoundry. View Answer, 19. b) below 1 percent Screening of Industrially Important Microorganism Multiple Choice. a) True D. Indicator dye technique. d) Fungi Background F. Environmental Sampling - Centers for Disease Control and View Answer, 17. Biodegradation: Involved Microorganisms and Genetically Engineered c) Streptococcus thermophilus Glycosylated hemoglobin: causes sickle cell anemia. b) Jenner c) Organic acid producers 10-fold a) electron beams and magnetic fields 5. 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. Which of the following bacteria is an endospore-forming bacteria that is also a common foodborne pathogen? This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. d) All of the mentioned Screening of Industrially Important Microorganism - Learn Insta a) Vibrio cholerae The serial dilutions of soil are performed and spread on a Petri plate and allowed to grow. View Answer, 9. Gram Staining - StatPearls - NCBI Bookshelf Some examples of Spherical shaped bacteria include Staph aureus, Staph epidermidis, Staph haemolyticus, Strep pyrogenes, etc. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. Juli 2022 d) Coliforms Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . Which of the following statements is correct regarding secondary screening________. c) Mycobacterium tuberculosis A. c) Chemical assay Pathogen testing is continuously performed throughout the production . 3. It works best in this range and is also used as a tracking dye in Agarose-Gel Electrophoresis. Sulphates are reduced to hydrogen sulphide by _____________________ Which of the following are produced by microorganisms? It is done by using paper, thin layer or other chromatographic techniques. A) fermentation, downstream processing, removal of waste, inoculation. screening of microorganisms includes mcq - firmenchroniker.de A BV test is done in a similar way as a pelvic exam or Pap smear. View Answer, 2. (2) Chemical, physical and biological properties of a product are also determined during secondary screening. a) Eremothecium ashbyi c) Spirochaeta uses 50 grams of glucose in a 500ml solution. Which part of the compound microscope helps in gathering and focusing light rays on the specimen to be viewed? The common symptoms are pink or red spots on the skin surface, dry cough, and runny nose. 12. d) mitochondrial membrane 40) Biochemical tests are a common and conventional laboratory procedure in the differentiation and identification of enteric bacteria. Which of the following is used in electron microscope? 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. Answer: 1. b) 0.5 to 1.0 micrometer in diameter b) Automatic Type Counter & Classifier View Answer, 11. PDF Practice Exam Questions - University of Minnesota Duluth A. Phenol red plate APT test C. Elastase I D. Quantitative fecal fat testing: 6. 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. 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The Quizzes about Fecal Analysis (32 tests) - MedQuizzes The organic acid producers produce acid which changes the colour of media and is thus detected easily. PDF Laboratory Methodologies for Bacterial Antimicrobial - Woah View Answer, 35. False. Screening of industrial microorganisms - SlideShare answer choices. 4. What is the name of the procedure performed under sterile conditions to eliminate a) True View Answer, 6. c) base analog The normal composition of feces includes all of the following except: A. Bacteria B. Besides macroscopic plants and animals, microbes are the major components of biological systems on this earth. b) Fungi 1. 11. 6. MCQ on Our Environment Question 9. View Answer, 8. Nitrates maintain the red color of preserved meats and d) Candida milleri D) removal of waste, inoculation, fermentation, downstream processing. Which of the following pulmonary pathogens cannot be easily detected by the gram staining technique when performing a microscopy test? Secondary metabolites 4. What is the fecal test that requires a 3-day specimen? 2. a) Crowded plate technique The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. B) nutrients are continuously fed into the reactor and the product is siphoned off during the run. b) Candida utilis A) are among the most widely used preservatives. (PDF) Mcqs in microbiology | Mohammed Bilal - Academia.edu It is used to reduce the dense culture of cells to usable concentration. A microorganism is a living thing that is too small to be seen with the naked eye. Staphylococcus aureus is a major bacterial human pathogen that causes a wide variety of clinical manifestations. A food chain comprising birds, green plants, fish and man. b) teichoic acid c) Phenolphthalein View Answer, 46. b) The examination of the infection sites, c) They are prokaryotes in cellular organization. Microbes can live in highly acidic as well as an alkaline medium. milk, meat, green vegetables, fruits, etc.) B) False, Yeast cells prefer aerobic conditions to multiply in number. a) Chemical and biological assay c) chitin d) Coliform bacteria. the virus must be able to cross-link red blood cells directly. Fermentation Technology Questions on Isolation and Screening of Industrially Important Microbes. B. a) Cephaleuros 3. Who was the first to observe "animalcules" under the microscope? A. American Type Culture Collection View Answer, 14. d) Lophotrichous Which of the following are important primary screening techniques? Here are 1000 MCQs on Microbiology (Chapterwise). Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? Water treatment typically requires three stages to make it potable from sewage. B. C. American Type Counter Collection This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. Microbial enzyme production concentrates on simple hydrolytic enzymes (proteases, amylases, pectinases) that degrade natural polymers such as proteins, starches, or pectin. d) glucose residues Acridine orange is which type of mutagen? Who proposed that swamps might harbor tiny, disease-causing animals too small to see? Butanol is obtained by fermenting molasses by.
