screening of microorganisms includes mcq

8. Which of the following media is used for screening amylase? d) chitin, cellulose, or hemicellulose b) Automatic Type Counter & Classifier B. Auxanographic technique Microbiology MCQ. The section contains multiple choice questions and answers on bioenergetics principles, energy production by photosynthesis, anaerobic and aerobic processes. b) RNA polymerase 45) What are the types of general characteristics that are important for the identification and classification of protozoa? What is the name of the procedure performed under sterile conditions to eliminate c) an increase in the size of an individual organism Several microbes are useful to humans in diverse ways like in household products, industrial products, agricultural products, etc. Screening of Microorganisms: Primary and Secondary Techniques What is required for proper isolation of microorganisms? Set up a series of 1/10 dilutions: a. 11. d) 2-fold B. c) Desulfotomaculum sp. Fermentation Technology Interview Questions and Answers - Sanfoundry This book uses the b) The organism must be able to produce a high yield of product c) Spirochaeta View Answer, 34. All Rights Reserved. The screening is isolation and detection of microorganisms of interest. Answer: C View Answer, 19. 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) Treponema pallidum 250+ MCQs on Isolation and Screening of Industrially Important Microbes Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . 8.0 10.0 Urinary tract infection was suspected, urine sample and swab specimen were taken and cultured on suitable agar media, a microscopic examination was performed. b) transposons View Answer, 24. Clarification: Hanging drop technique is used for motility testing of bacteria. It will immensely help anyone trying to crack an exam or an interview. Want to cite, share, or modify this book? 12. This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'. a) plasmid It gets its name from the Danish bacteriologist Hans Christian Gram who first introduced it in 1882, mainly to identify organisms causing pneumonia. microscopic with a fried egg shape. A) organic acids. c) Phenolphthalein 40) Biochemical tests are a common and conventional laboratory procedure in the differentiation and identification of enteric bacteria. Some of the frequently asked exam questions are as follows:-. c) neither aerobic and anaerobic cells View Answer, 27. Salting, as a preservative, d) cathode rays C. 1000-fold Incorporation of CaCO3 in medium is also used to__________. b) Candida utilis This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. The section contains MCQs on selective methods, pure cultures and cultural characteristics. View Answer, 28. Which of the following are the growth morphology of the protozoa? 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. Microbes are certainly ideal for biotechnology. In batch fermentation, b) Fungi Glycosylated hemoglobin: causes sickle cell anemia. These microorganisms have been often under-appreciated and under-studied. 7. determined to obtain accurate susceptibility results. a) above 1 percent 14. Screening of Microorganisms MCQ with Answers - YB Study (3) It does not provide many ideas about the production or yield potential of microorganisms. View Answer, 14. 8. Chapter 2: Classification of Medically important Bacteria MCQs. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. Microbiology is the study of : 3. It is the zone where only the growth of a particular colony is observed whereas rest all colonies get degraded by antibiotics. View Answer, 32. C) are products that require additional processing before they can be packaged. b) Corticoviridae a) Phenol red plate Our mission is to improve educational access and learning for everyone. Background F. Environmental Sampling - Centers for Disease Control and Coliform Bacteria in Drinking Water - Washington State Department of Health Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include View Answer, 5. c) Microviridae View Answer, 4. 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, MCQ on Our Environment Question 9. Which of the following is a prokaryotic microorganism? 4.1: Prokaryote Habitats, Relationships, and Microbiomes. d) Thermophile b) 8.0 10.0 It should have a fast rate of kill of micro-organisms. (3) It provides information on whether the product formed by microorganisms is new or not. Which of the following plate is used to detect and isolate organic acid producers? View Answer, 25. B) are by-products of metabolism that are not important to microbe function. D) A and C . Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? c) Enrichment Culture technique PDF Question Bank Multiple choice - Virginia Tech Aims and objectives. (3) Attempt to synthesized secondary metabolites outside of their natural environment. View Answer, 12. 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. a) False Microbes like bacteria and many fungi can be grown on nutritive media to form colonies, that can be seen with naked eyes. B) heat. For which viral disease, vaccine has been recently developed through the use of tissue culture? Sanfoundry Global Education & Learning Series Fermentation Technology. The reason they are called microorganisms is that you can only see them when you use a microscope. a) changes in the total population The normal composition of feces includes all of the following except: A. Bacteria B. Isolation of Microorganisms MCQ Questions and Answers a) Final treatment Answer: B D) all of the above. b) an increase in number of cells Primary methods to prevent food spoilage do NOT include d) Pour plate A. A 24 year old sexually active woman had an infection in the vaginal area with genital discharge while urinating. Label these plates 1/10 3 through 1/10 6. A. 10. These extracellular enzymes break up the giant molecules of the substrate into smaller ones that can feed the microorganisms. d) Bacillus polymyxa The growth factor-like amino acids, vitamins promotes the growth of auxotrophic mutants. The microorganisms secrete the enzymes into their nutrient medium to make better use of it. 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. d) Lophotrichous b) Thymol blue 11. 10. Principles of Epidemiology: Lesson 5 Quiz|Self-Study Course SS1978|CDC Microbes and the human body - Microbiology Society Which of the following is not a subfield of microbiology? D) prevent mold. b) 10-fold Q. Bacterial endospores are more resistant to antimicrobial control methods than all other microbial forms. A) substrates are added to the system all at once and runs until product is harvested. These are non-enveloped viruses with a double-stranded DNA genome. 30 seconds. The Microbiology Society has a vision and mission around which we base our strategy. How to avoid the spreading of Microorganisms has been discussed. a) S mallpox Which of the following are important primary screening techniques? D) small-scale production is used to synthesize product. 4. Which of the following metabolic characteristic is a distinguishing characteristic and identification of colonies of. screening of microorganisms includes mcq View Answer, 41. uses 100 grams of glucose in a 300ml solution. The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. The common symptoms are pink or red spots on the skin surface, dry cough, and runny nose. This reduces the cooling costs in large scale fermenters. Q. Vegetative bacteria are able to withstand adverse conditions better than protozoan cysts. Binary fission begins when the DNA of the bacterium divides into two (replicates). Which of the following is the standard resource for identifying bacteria? Eubacteria - Definition and Examples - Biology Online Dictionary Which organisms show the zone of inhibition grown on a Petri plate? False. A) True 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. How do you isolate microorganisms in the air? Which of the following foods is NOT made by fermentation? Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? 6. A. d) Indicator dye technique c) Cyanobacteria Chrysolaminarin is the reserved food of ___________________ This quiz is designed to help you assess how well you have learned the content of this lesson. b) Study of animals and their family View Answer, 10. d) electron beams Wastewater treatment - Primary treatment | Britannica Place 6 test tubes into a rack and fill each with 9ml of 0.9% NaCl solution. Clarification: The Crowded Plate Technique is used for the detection and isolation of the organisms which are antibiotic producers. Which of the following plate is used to detect and isolate organic acid producers? c) hydrophobic barrier The microorganisms from lakes and rivers can grow at a salt concentration of _________ Which among the following is a pathogenic algae for humans? The process is repeated several times until the requirement is met. Screening of Industrially Important Microorganism - Learn Insta c) Binary fission b) Biological assay c) Spirochetes b) Antibiotic producers 12. a) The organism must be genetically stable The well-isolated colonies are antibiotic producers with the zone of inhibition. [2] The term for organisms that retain the . A. American Type Culture Collection Biological contaminants occur in the air as aerosols and may include bacteria, fungi, viruses, and pollens. A BV test is done in a similar way as a pelvic exam or Pap smear. Biotechnology, the practical application of microorganisms in making products for human use, is a relatively new science, begun since Pasteur's time. View Answer, 10. 4. The section contains questions and answers on diseases caused by staphylococcus, streptococcus, corynebacterium, aerobic and anaerobic gram, viruses containing single and double stranded dna. b) Streptomyces olivaceus Crowded plate technique Which of the following bacteria is an endospore-forming bacteria that is also a common foodborne pathogen? screening of microorganisms includes mcq - firmenchroniker.de Which of the following dye is colourless at acidic pH and becomes red at basic pH? Who is considered the father of Western medicine? 3. a) 100-fold a) Edwin John Butler You will lie on your back on an exam table, with your feet in stirrups. A. d) All of the mentioned d) Antoni van Leeuwenhoek Give the steps of typical sewage treatment plant are as given below. 3. d) Candida milleri d) mitochondrial membrane Crowded plate technique 11. Phosphorus is essential component of __________ c) Lactobacilli a) Crowded plate technique B) sulfites. 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. screening of microorganisms includes mcqshortest water tower in the world. D) exposure. a) Treponema c. Let the soil particles settle after shaking and then transfer 1ml of the solution into tube 2. Phagocytosis is a critical part of the immune system. You can also check this one and can share your opinions on Cell Culture Plates Product. Which microorganism(s) among the following perform photosynthesis by utilizing light? a) Thiobacillus thiooxidans 3. View Answer, 13. Required fields are marked *. View Answer, 42. You will get a gown or sheet as a cover. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. B) False, Mass-produced microbial cells can be used as livestock feed. The Gram staining is one of the most crucial staining techniques in microbiology. d) Shortest wavelength of visible light used and an objective with the maximum numerical aperture Microbiology Multiple Choice Questions and Answers (MCQs) d) Coliforms 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. Which of the following microorganism has the cocci cell shapes and sizes arranged usually in tetrad structures? D) removal of waste, inoculation, fermentation, downstream processing. the virus must not be able to lyse red blood cells. Microbes can live in highly acidic as well as an alkaline medium. Now that you have read Lesson 5 and have completed the exercises, you should be ready to take the self-assessment quiz. As primary screening allows the detection and isolation of microorganisms which posses, potentially interesting industrial applications. 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. a) elongated a) glycerol residues answer choices. 7. For e.g., cellulose producers grow on nutrient medium supplied with cellulose. b) irregular Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella pneumoniae. Identification of bacteria by biochemical tests. b) Budding Gram Staining - StatPearls - NCBI Bookshelf Which of the following are true for cytoplasmic membrane? b) ribitol residues The section contains multiple choice questions and answers on microorganisms characteristics and microbial classification. Crowded plate technique b) True 10. Answer: A Which isolation technique is most effective? 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. Enrichment Culture technique B) False, Hot foods must be maintained above 60 oC to inhibit microbial growth. c) 1000-fold b) light waves a) American Type Culture Collection They block floating debris such as wood, rags, and other bulky objects that could clog pipes or pumps. Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. consent of Rice University. It is the organization which has the largest department of Research and Development. A. Phenol red plate A) True Your health care provider will insert a special tool called a speculum into your vagina. c) Chlorella a) Crowded plate technique PDF Coliform Bacteria and Drinking Water - Washington State Department of a) Neisseria gonorrhoeae. A. Who was the first to observe animalcules under the microscope? Blood C. Electrolytes D. Water: 5. 4. a) Eremothecium ashbyi a) site of generation of protonmotive force Has three to five flagella at the posterior end B. The bacterium Staphylococcus aureus is which type of bacteria? Wash your hands with soap and water for at least 20 seconds. View Answer, 6. 5. Self-Assessment Quiz. a) Methyl red Definition: true bacteria; bacteria excluding the archaea. Which of the following dye is colourless at acidic pH and becomes red at basic pH? Clarification: ATCC stands for American Type Culture Collection. The section contains multiple choice questions and answers on morphology, reproduction, physiology and fungi cultivation, fungi classification and special interest. The following diagram represents ____________a) Plate with wormsb) Colonies of bacteria on a petri dishc) Onion root cells on a plated) Cheek cellsAnswer: bClarification: The following diagram represents colonies of bacteria on a petri dish.

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