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a) Phenol red plate 5. b) Antibiotic producers Biology Multiple Choice Questions on Microbes. a) Small pox a) viruses 7. 3. Who was the first to observe "animalcules" under the microscope? d) Indicator dye technique a) Leuconostoc mesenteroides D) A and C . The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against. Give the steps of typical sewage treatment plant are as given below. Which is the secondary stage? A. Answer: C 8. Q. Q.1: Screening of microorganisms includes . PDF Laboratory Methodologies for Bacterial Antimicrobial - Woah PDF Coliform Bacteria and Drinking Water - Washington State Department of C. Enrichment Culture technique b) Viruses View Answer, 20. Place 6 test tubes into a rack and fill each with 9ml of 0.9% NaCl solution. Which organisms show the zone of inhibition grown on a Petri plate? b) Microbacteria d) an increase in the mass of an individual organism The section contains MCQs on diseases caused by fungi and protozoa, therapeutic drugs for fungal treatment and protozoan diseases. Crowded plate technique is used for screening of____________. Biotechnology, the practical application of microorganisms in making products for human use, is a relatively new science, begun since Pasteur's time. Ans: The steps adopted in a typical sewage treatment plant are as given below: ADVERTISEMENTS: 7. a) viral infection 9. View Answer, 37. d) Lophotrichous b) Study of animals and their family Which was the first disease for which a chemotherapeutic agent was used? Microbes and the human body - Microbiology Society Which among the following group of microorganisms are found in the ducts of cows mammary glands? Thank you so much for sharing. d) hydrophobic barrier and site of generation of protonmotive force Creative Commons Attribution License The section contains multiple choice questions and answers on soil microorganisms interactions, nitrogen, carbon and sulphur cycles, aquatic environment, aquatic microorganisms techniques and productivity. Principles of Epidemiology: Lesson 5 Quiz|Self-Study Course SS1978|CDC Ch. 1 Multiple Choice - Microbiology | OpenStax What is Microbiology? It will immensely help anyone trying to crack an exam or an interview. c) Peritrichous c) cytoplasm d) Primary treatment c) Gram-negative bacteria You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. 2011-2023 Sanfoundry. The screening is isolation and detection of microorganisms of interest. b) ribitol residues In modern plants the screens are cleaned . b) cell wall Screening of industrial microorganisms - SlideShare The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. The Gram staining is one of the most crucial staining techniques in microbiology. Which of the following are important primary screening techniques? The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme b) light waves (2) Attempt to kill microorganisms outside of their natural environment. b) Streptococcus lactis Which of the following are present in teichoic acids? a) Edwin John Butler a) Crowded plate technique Has three to five flagella at the posterior end B. Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella . MCQ on Our Environment Question 9. . View Answer, 29. About Oracle NetSuite. It is done by using paper, thin layer or other chromatographic techniques. Pathogen & Spoilage Testing - Sigma-Aldrich Done in one or few steps. screening of microorganisms includes mcq - firmenchroniker.de d) mitochondrial membrane B) False, Hot foods must be maintained above 60 oC to inhibit microbial growth. MCQ on Industrial Microbiology - MCQ Biology.com OpenStax is part of Rice University, which is a 501(c)(3) nonprofit. A. Answer: A In an ecosystem, herbivores represent. The section contains multiple choice questions and answers on morphology, reproduction, physiology and fungi cultivation, fungi classification and special interest. c) MacConkeys Agar plate Microbes are certainly ideal for biotechnology. The "flash method" or "high temperature short time" method exposes fluids to What is required for proper isolation of microorganisms? d) Fungi Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include In regions of the estuary that are nutritionally poor, it is more likely to find which of the following organisms? d) 6.4 8.0 Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. What is the pH range of Bromophenol blue? Answer: 1. Which shape of bacteria has been represented in the following diagram? Microbiology Question Bank PDF book covers problem solving exam tests from microbiology textbook and practical book's chapters as: Chapter 1: Basic Mycology MCQs. View Answer, 41. The bacterial cell then elongates and splits into two daughter cells each with identical DNA to the parent cell. lauren conrad and stephen colletti /; 2. C. The optimum temperature for the growth of an organism must be above 50C 1. The section contains questions and answers on diseases caused by staphylococcus, streptococcus, corynebacterium, aerobic and anaerobic gram, viruses containing single and double stranded dna. 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What is required for proper isolation of microorganisms? a) Crowded plate technique View Answer, 28. Phagocytosis is a critical part of the immune system. d) Indicator dye technique 7. a) Crowded plate technique are not subject to the Creative Commons license and may not be reproduced without the prior and express written 12. Everything you need to know about water and wastewater microbiology. Self-Assessment Quiz. Which of the following metabolic characteristic is a distinguishing characteristic and identification of colonies of. c) Chlorella 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. 1. What is the approximate size of the bacterial cell? Crowded plate technique Crowded plate technique 2. B. d) American Type Classifier and Collection a) The organism must be genetically stable b) plaque D) all of the above. 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View Answer, 39. The science of using living systems to benefit humankind is called biotechnology.Technically speaking, the domestication of plants and animals through farming and breeding practices is a type of biotechnology. View Answer, 42. C. Enrichment Culture technique a) Final treatment Which shape of bacteria has been shown in the following diagram?a) Rod-shapedb) Comma shapedc) Spiral shapedd) Spherical shapedAnswer: dClarification: The following diagram represents spherical shaped bacteria, magnified 1500X. A) True View Answer, 31. a) Mesophile 13. Prokaryotes can be found everywhere on our planet, even in the most extreme environments. Isolation, Characterization, and Screening of Antimicrobial-Producing c) Organic acid producers b. This quiz is designed to help you assess how well you have learned the content of this lesson. 9. c) DNA polymerase I 5. 3. c) Enrichment Culture technique View Answer, 5. 2. c) UV light The principal microorganism for yogurt is ______________________ B) sulfites. Disinfection MCQ [Free PDF] - Objective Question Answer for - Testbook View Answer, 8. a) 100-fold A) True Screening of Industrially Important Microorganism - Learn Insta View Answer, 46. 7. 5. a) elongated 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? Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? 1. A) substrates are added to the system all at once and runs until product is harvested. B) using small scale containers to concentrate production. c) hydrophobic barrier (1) Its a process for the detection and isolation of microorganisms of our interest. The growth factor-like amino acids, vitamins promotes the growth of auxotrophic mutants. Answer: 4. Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? 4. PDF Question Bank Multiple choice - Virginia Tech Home Fermentation Technology Objective Questions 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers. Crowded plate technique Background F. Environmental Sampling - Centers for Disease Control and The serial dilutions of soil are performed and spread on a Petri plate and allowed to grow. Microbes like bacteria and many fungi can be grown on nutritive media to form colonies, that can be seen with naked eyes. Which of the following method is not used in isolation and screening of desired microorganisms? View Answer, 11. 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. Bacterial cell grown on hydrocarbon wastes from the petroleum industry are a source of _____________ the virus must be able to cross-link red blood cells directly. (1) It is useful in sorting microorganisms that have real commercial value. a) American Type Culture Collection 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 is used in electron microscope? d) All of the mentioned Which shape of bacteria has been represented in the following diagram?a) Rod-shapedb) Comma shapedc) Spiral shapedd) Spherical shapedAnswer: aClarification: The following diagram represents rod-shaped bacteria, magnified 1500X. b) 10-fold Cryptococcosis is a disease of ________________ Who was the first to observe animalcules under the microscope? d) Physical assay d) gene Clarification: The question mark in the following figure represents flagella of a rod-shaped bacterium. D. Indicator dye technique. A) are among the most widely used preservatives. Control of Microbial Growth | Medicine Quiz - Quizizz D) all of the above. What is the name of the procedure performed under sterile conditions to eliminate screening of microorganisms includes mcq d) Eyepiece lens Which of the following method is not used in isolation and screening of desired microorganisms? MCQ Questions for Class 8 Science: Ch 2 Microorganisms: Friend and Foe It should be active and stable and environmentally safe. Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics?
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