d) Pedoviridae As primary screening allows the detection and isolation of microorganisms which posses, potentially interesting industrial applications. Which of the following types of mutants can be isolated using the replica plate technique? Each daughter cell is a clone of the parent cell. To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. Which among the following is a pathogenic algae for humans? Which of the following microorganism has the cocci cell shapes and sizes arranged usually in tetrad structures? A. Which of the following is the most accurate method for microbial assay of antibiotics? b) True b) Viruses B) False, Yeast cells prefer aerobic conditions to multiply in number. 3. First link in any food chain is usually green plants because. In the following diagram, what does the question mark represent?a) Ciliab) Flagellac) Haird) PseudopodiaAnswer: b Primary methods to prevent food spoilage do NOT include A) substrates are added to the system all at once and runs until product is harvested. Answer: B Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella . Which of the following is a prokaryotic microorganism? Crowded plate technique A) retards growth of Staphylococcus aureus. D. 6.4 8.0. It is 50,000X magnified image of a bacterium. 4. Mycoplasma pneumoniae is an unusual bacteria which has distinctive characteristics, such as. View Answer, 15. Which of the following dye is colourless at acidic pH and becomes red at basic pH? 7. A. Microbes are certainly ideal for biotechnology. b) Borrelia Answer: A D) all of the above. a) Edwin John Butler Juli 2022 (1) It is useful in sorting microorganisms that have real commercial value. Which scientist proposed adding a kingdom for protists? Methyl red chipotle corporate phone number . In modern plants the screens are cleaned . View Answer, 34. A) True Butanol is obtained by fermenting molasses by. Which of the following is not microbe?a) Bacteriab) Protozoac) Viroidsd) WormsAnswer: dClarification: Microbes are diverse in nature and include- protozoa, bacteria, fungi and microscopic animal and plant viruses, viroids and also prions that are proteinaceous infectious agents. Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . Measles is a disease caused by a virus, it is spread via respiratory droplets. (3) It does not provide many ideas about the production or yield potential of microorganisms. Microbes like bacteria and many fungi can be grown on nutritive media to form colonies, that can be seen with naked eyes. 10. b) Clostridium botulinum Clarification: Adenoviruses cause respiratory infections. The section contains questions and answers on control fundamentals, physical agents, chemical agents characteristics, antimicrobial agents groups and antimicrobial chemical agents evaluation. Answer: A. 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) American Type Classifier and Collection Blood C. Electrolytes D. Water: 5. 12. the virus must not be able to lyse red blood cells. Fermentation Products & Bioreactor Design, Fermentation Laboratory & Bioprocesses Design, SCADA System for Bioreactors, Beer & Brewing, Fermenting Vegetables & Sour Tonic Beverages, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Fermentation Technology Questions and Answers Microbial Growth Kinetics FedBatch Culture, Next - Fermentation Technology Questions and Answers Preservation of Industrial Microorganisms, Certificate of Merit in Fermentation Technology, Fermentation Technology Certification Contest, Genetic Engineering Questions and Answers Database Screening and Screening by Nucleic Acid Hybridisation 1, Fermentation Technology Questions and Answers Improvement of Industrial Microorganisms, Fermentation Technology Questions and Answers Fermentation Products Recovery and Purification Chromatography, Genetic Engineering Questions and Answers Database Screening and Screening by Nucleic Acid Hybridisation 2, Mechanical Operations Questions and Answers Screening Equipments, Fermentation Technology Questions and Answers Microbial Growth Kinetics FedBatch Culture, Fermentation Technology Questions and Answers Aeration and Agitation Determination of Kla Values, Fermentation Technology Questions and Answers Microbial Growth Kinetics Continuous Culture, Fermentation Technology Questions and Answers Commercial Applications Surface, Submerged and Solid State Fermentation, Books on Engineering, Science and Technology, Chemical Process Technology MCQ Questions. Label these plates 1/10 3 through 1/10 6. What is the pH range of Bromophenol blue? coliform bacteria in drinking water, the source is probably environmental and fecal contamination is unlikely. Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? Aims and objectives. Wash your hands with soap and water for at least 20 seconds. 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. 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. (retrieve https://www.learningsta.com, April 2021) 2.0 SCREENING . b) below 1 percent screening of microorganisms includes mcqshortest water tower in the world. a) peptidoglycan Want to cite, share, or modify this book? a) Lactobacillus The section contains questions and answers on diseases caused by staphylococcus, streptococcus, corynebacterium, aerobic and anaerobic gram, viruses containing single and double stranded dna. View Answer, 6. C) maintain a high osmotic pressure to kill microorganisms. The reason they are called microorganisms is that you can only see them when you use a microscope. The section contains multiple choice questions and answers on microorganisms characteristics and microbial classification. 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). Rhizobium bacteria. Q. Bacterial endospores are more resistant to antimicrobial control methods than all other microbial forms. In this process the bacterium, which is a single cell, divides into two identical daughter cells. (2) Chemical, physical and biological properties of a product are also determined during secondary screening. 4. 12. c) Mycobacterium tuberculosis For e.g., cellulose producers grow on nutrient medium supplied with cellulose. a) Final treatment are not subject to the Creative Commons license and may not be reproduced without the prior and express written Bacterial cells grown in a medium exposed to high osmotic pressure, changes shape from rod-shaped to __________ shaped. c) American Type Counter Collection Self-Assessment Quiz. d) The organism must be able to grow in an easily available nutrient medium d) hydrophobic barrier and site of generation of protonmotive force screening of microorganisms includes mcqwarning signs for a deteriorating patient with covid 19 infection 2022.07.03 18:36 18:36 Which of the following method is not used in isolation and screening of desired microorganisms? Which microorganism(s) among the following perform photosynthesis by utilizing light? Sulphur can be utilized by bacteria in the a. C lostridium perfringens is an obligate anaerobic bacteria that do not require oxygen to grow and thus it is not Microaerophilic, microaerophilic bacteria require low amounts of oxygen for growth. B) sulfites. View Answer, 2. C. Enrichment Culture technique C. Phenolphthalein Done in one or few steps. b) cell wall c) holozoic b) coliforms a) chemical compounds d) electron beams the virus must be able to lyse red blood cells. Which of the following is the example of encapsulated gram-positive bacteria? Dec 20, 2022 OpenStax. b) aerobic cells The greatest resolution in light microscopy can be obtained with ___________ b) Magnifying lens a) Phenol red plate The presence of E. coli in a drinking water sample almost always indicates recent fecal contamination, meaning there is a greater . View Answer, 7. Which of the following method proceeds with 2-plate preparation? Answer: D Which of the following gram positive bacteria is a strict anaerobe and can only grow in the absence of oxygen? (1) Microbial isolation technique is an attempt to grow microorganisms outside of their natural environment. d. using damaged equipment and glassware. Study with Quizlet and memorize flashcards containing terms like Which of the following is true about the trichomonas vaginalis? c) Nitrosomonas europaea b) False View Answer, 32. Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. 6. 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) DNA polymerase III C. perfringens is a spore-forming bacteria, that produce H 2 S and hemolysis on blood agar. For which viral disease, vaccine has been recently developed through the use of tissue culture? d) bacterial infection D) are harvested during the exponential phase of growth. View Answer. Therefore, the exact composition of a defined medium is known. Due to the climatic and geographical diversity of Nepal, a wide range of microorganisms with potent source of antimicrobials are available. Best method of sterilization at commercial level is a) Hot air oven b) Autoclaving c) Radiation d) Sun light answer-C 5. All of the above. D) exposure. A. . Who was the first to observe animalcules under the microscope? d) Coliforms 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. Clarification: The Antibiotic producers show the zone of inhibition. 1. Actinomycetes are Gram-positive, facultative anaerobic fungus-like filamentous bacteria which remain on the top of the natural antibiotic producers. 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? Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella pneumoniae. The normal composition of feces includes all of the following except: A. Bacteria B. 5. Which of the following is NOT a criterion for the choice of an organism? 2. 8. 7. b) cellulose Which of the following is a family of lambda phage viruses? 14. A 7 year old girl developed a sore throat and fever for 2 days. 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D) A and C . The Microbiology Society has a vision and mission around which we base our strategy. Answer: A In which of the following treatment involve oxidation of organic constituents of the wastewater? d) Gram-positive bacteria answer choices. b) The organism must be able to produce a high yield of product Biology Multiple Choice Questions on Microbes. A) True B) inoculation, downstream processing, fermentation, removal of waste. c) Microviridae Which of the following statements about food chain and energy . 1. a) Chemical and biological assay The organic acid producers produce acid which changes the colour of media and is thus detected easily. MCQ.9):Which bacteria have flagella of amphitrichous type means the flagellum are present at both the sides? c) Streptococci. c) The optimum temperature for the growth of an organism must be above 50C. 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. View Answer, 10. d) Shortest wavelength of visible light used and an objective with the maximum numerical aperture d) DNA polymerase II 30 seconds. View Answer, 4. Which of the following is the source of Vitamin A. c) Enrichment Culture technique 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. Answer: 1. d) Corynebacterium diphtheriae A. 26. View Answer, 50. View Answer, 3. It will immensely help anyone trying to crack an exam or an interview. Viral hemagglutination assays only work with certain types of viruses because. Sugar fermentation test: Bacteria is grown in a sugar media. 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. Universal aseptic techniques includes, Except a) Gown b) Mask c) Cough Etiquettes d) Hand washing answer-D 4. Some strains, however, can cause illness. C. Enrichment Culture technique c) UV light Performance and sterility testing of media lots should also be determined and A) True B. Auxanographic technique c) Secondary treatment Which of the following foods is NOT made by fermentation? Cryptococcosis is a disease of ________________ Which of the following plate is used to detect and isolate organic acid producers? a) True 4. Screening includes primary screening and secondary screening. b) Auxanographic technique B) False, Pasteurization is used to sterilize milk. Glycolysis can occur in ___________ It is done by using paper, thin layer or other chromatographic techniques. Home Fermentation Technology Objective Questions 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers. c) DNA polymerase I Antibiotic producing microorganisms can be detected by the method__________, 5. 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The Gram staining is one of the most crucial staining techniques in microbiology. c) parasitic infection a) Study of molecules that are visible to human eyes d) All of the mentioned It is the zone where only the growth of a particular colony is observed whereas rest all colonies get degraded by antibiotics. Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include A. Except where otherwise noted, textbooks on this site Which of the following plate is used to detect and isolate organic acid producers? Screens are made of long, closely spaced, narrow metal bars. 5. A) True a) changes in the total population The section contains multiple choice questions and answers on bioenergetics principles, energy production by photosynthesis, anaerobic and aerobic processes. A test tube contains 9ml distilled water. Now that you have read Lesson 5 and have completed the exercises, you should be ready to take the self-assessment quiz. 12. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. Clarification: Auxanographic technique proceeds with 2-plate preparation. b) Monotrichous A) True Clarification: The optimum temperature for the growth of an organism should be above 40C. Place the gram of soil into the first tube with saline and SHAKE WELL. c) Objective lens Here are 1000 MCQs on Microbiology (Chapterwise). d) cellulase Note when energy and additional compounds are necessary for any of these mechanisms to operate. Automatic Type Counter & Classifier 30 seconds. c) Streptococcus thermophilus D. Indicator dye technique. a) The organism must be genetically stable These particles may consist of a single, unattached organism or may occur in the form of clumps composed of a number of . 5. b) Gram-positive organisms 6. The serial dilutions of soil are performed and spread on a Petri plate and allowed to grow. 3. d) gene Primary Screening of Microorganisms: Primary screening may be defined as detection and isolation of the desired microorganism based on its qualitative ability to produce the desired product like antibiotic or amino acid or an enzyme etc. View Answer. d) 6.4 8.0 B. Auxanographic technique C. Enrichment Culture technique Urinary tract infection was suspected, urine sample and swab specimen were taken and cultured on suitable agar media, a microscopic examination was performed. 1999-2023, Rice University. 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. Glycosylated hemoglobin: causes sickle cell anemia. Good work practices include, a. smelling and tasting chemicals . 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. d) Hanging Drop technique Which of the following is a type of fungal microorganism? b) Automatic Type Counter & Classifier Sanfoundry Global Education & Learning Series Fermentation Technology. a) cellulose dehydrogenase Which of the following method is used for the isolation of mutants? Which of the following method is not used in isolation and screening of desired microorganisms? a) parasitic It must be toxic to micro-organisms at concentrations well below the toxic thresholds of humans and higher animals so that it cannot negatively affect the animals or humans.
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