screening of microorganisms includes mcq

a) American Type Culture Collection pH, cations, thymidine or thymine, use of supplemented media). a) Crowded plate technique 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. D. Phenol red. a) Growth Factor producers Identification of bacteria by biochemical tests. Primary treatment removes material that will either float or readily settle out by gravity. Microbiology is the study of : 3. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. Place the gram of soil into the first tube with saline and SHAKE WELL. The microorganisms secrete the enzymes into their nutrient medium to make better use of it. 1. View Answer, 25. Urinary tract infection was suspected, urine sample and swab specimen were taken and cultured on suitable agar media, a microscopic examination was performed. View Answer, 33. Antibiotic producing microorganisms can be detected by the method__________, 5. Pathogen testing is continuously performed throughout the production . d) Eyepiece lens 4. Required fields are marked *. Pathogen testing is used to identify pathogenic organisms in manufacturing environments, ingredients or finished products that could harm the consumer. It is used to reduce the dense culture of cells to usable concentration. Crowded plate technique is used for screening of____________. 5. The objective of this study was to isolate, identify, and screen the potential antimicrobial-producing . B. Auxanographic technique Which of the following is a type of fungal microorganism? Clarification: The pH range of Bromophenol blue is 3.0 4.6. a) Phenol red plate Which organisms show the zone of inhibition grown on a Petri plate? It should be active and stable and environmentally safe. d) chitin, cellulose, or hemicellulose 2011-2023 Sanfoundry. Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. Which of the following method proceeds with 2-plate preparation? the virus must not be able to lyse red blood cells. c) hydrophobic barrier 5. Candidiasis is a fungal infection, skin infection, and mouth or vaginal infection that can occur due to the overgrowth of the fungus. Antibiotic producers Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella . b) teichoic acid 13. A) fermentation, downstream processing, removal of waste, inoculation. d) Bacillus polymyxa Includes common viruses, bacteria, and parasites 1,2: Stool sample: Sensitive, certain positive results may be unrelated to active infection. b) The organism must be able to produce a high yield of product Yeast cells are good source of. a) Streptomyces sp. Biotechnology, the practical application of microorganisms in making products for human use, is a relatively new science, begun since Pasteur's time. Phagocytosis is a critical part of the immune system. View Answer, 28. 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. However, in a contemporary sense, we associate biotechnology with the direct alteration of an organism's genetics to achieve desirable traits through the process of genetic engineering. b) Acanthopeltis Wish you the best in your endeavor to learn and master Microbiology! b) Antibiotic producers screening of microorganisms includes mcqwarning signs for a deteriorating patient with covid 19 infection 2022.07.03 18:36 18:36 It is 50,000X magnified image of a bacterium. Some examples of Spherical shaped bacteria include Staph aureus, Staph epidermidis, Staph haemolyticus, Strep pyrogenes, etc. 13. True other viruses are too dangerous to work with in a clinical lab setting. b) Viruses a) electron beams and magnetic fields d. using damaged equipment and glassware. and you must attribute OpenStax. The colour of plate changes from red to yellow in the zone of organisms producing organic acid. 4. Which microorganism(s) among the following perform photosynthesis by utilizing light? d) spherical Allow discarding of many valueless microbes. 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. 6. Answer: A A) True Secondary metabolites 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. b) mutualistic 3. a) Amphitrichous It is the organization which has the largest department of Research and Development. 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. 15. d) saprophytic microscopic with a fried egg shape. d) Pedoviridae d) an increase in the mass of an individual organism In batch fermentation, c) ribitol or glycerol residues Microbes like bacteria and many fungi can be grown on nutritive media to form colonies, that can be seen with naked eyes. c) magnetic fields As primary screening allows the detection and isolation of microorganisms which posses, potentially interesting industrial applications. b) light waves (1) Its a process for the detection and isolation of microorganisms of our interest. d) Cristispira Which among the following are Spirochetes? The section contains MCQs on diseases caused by fungi and protozoa, therapeutic drugs for fungal treatment and protozoan diseases. Which of the following yeast can be used to produce microbial protein? c) Spirochetes Answer: B What is the pH range of Bromophenol blue? a) Condenser lens c) 2mm in diameter View Answer, 19. 1. Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. Glycosylated hemoglobin: causes sickle cell anemia. View Answer, 5. d) Measles Secondary screening can give information about, (1) The genetic instability in microbial cultures, (2) Number of products produced in a single fermentation, 8. MCQ on Our Environment Question 9. D. 6.4 8.0. A) production of alcoholic beverages by microorganisms. A. View Answer, 16. 2. Prokaryotes can be found everywhere on our planet, even in the most extreme environments. 4. c) Spirillum volutans The screening is isolation and detection of microorganisms of interest. Automatic Type Counter & Classifier d) Prototheca View Answer, 41. 5. It is further followed by secondary screening, to check the capabilities and gain information about these organisms. Which of the following method is used for the isolation of mutants? This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? c) Nitrosomonas europaea Answer: A d) The organism must be able to grow in an easily available nutrient medium _______ are the agents that act as carriers of a pathogen and spread diseases. These microorganisms have been often under-appreciated and under-studied. 1. What is high throughput screening used for? E. coli is a sub-group of the fecal coliform group. MCQ.8): In which of the following bacterial condition, fimbriae helps the bacteria to stick to the mucous membrane of the host? Q. Q.1: Screening of microorganisms includes . Phosphorus is essential component of __________ The common symptoms are pink or red spots on the skin surface, dry cough, and runny nose. c) Organic acid producers d) Coliform bacteria. Microscopic examination and culture of the sputum sample revealed gram-positive cocci that appear in chains. Answer: 4. 10. View Answer, 2. a) Crowded plate technique What are the methods of isolating the pure culture of microorganisms? d) Lactobacillus acidophilus A) True The section contains MCQs on selective methods, pure cultures and cultural characteristics. View Answer, 31. Besides macroscopic plants and animals, microbes are the major components of biological systems on this earth. c) American Type Counter Collection View Answer, 24. 4. C. Enrichment Culture technique Clarification: Hanging drop technique is used for motility testing of bacteria. coliform bacteria in drinking water, the source is probably environmental and fecal contamination is unlikely. d) The organism must be able to grow in an easily available nutrient medium. a) Neisseria gonorrhoeae. 25. a)Microaerophilic. What is the approximate size of the bacterial cell? d) Rose Bengal Agar plate Binary fission begins when the DNA of the bacterium divides into two (replicates). b) 8.0 10.0 Microorganisms Class 8 Science Chapter 2 as per NCERT Book used in CBSE and other Schools. Easy detection of the small percentage of useful microorganism. There are various microorganisms types like bacteria, fungi, archaea, or protists. c) Breads For e.g., cellulose producers grow on nutrient medium supplied with cellulose. View Answer, 20. View Answer, 30. (4) It separates out only a few microorganisms, only a few have commercial value while discards the valueless microorganisms, 14. A. d) Physical assay The well-isolated colonies are antibiotic producers with the zone of inhibition. The OpenStax name, OpenStax logo, OpenStax book covers, OpenStax CNX name, and OpenStax CNX logo d) both aerobic and anaerobic cells d) hydrophobic barrier and site of generation of protonmotive force consent of Rice University. Therefore, the exact composition of a defined medium is known. 1g of soil is added to that test tube and the soil is allowed to settle down. B) False, Yeast cells prefer aerobic conditions to multiply in number. d) All of the mentioned View Answer, 6. d) Pasteur Answer: D View Answer. d) Hanging Drop technique Which one of the following organisms is least likely to cause this illness? 2. On the second day, the symptoms got worse and she was taken to the hospital. 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. What is required for proper isolation of microorganisms? Set up a series of 1/10 dilutions: a. 5. a) cytoplasmic membrane 30 seconds. All Rights Reserved. View Answer, 13. 4. (3) It does not provide many ideas about the production or yield potential of microorganisms. (2) It determines which microorganisms can produce a compound. View Answer, 48. Answer: B 14. The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves.

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