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Chapter 4: Clinical Virology MCQs. Our members have a unique depth and breadth of knowledge about the discipline. Answer: A D) exposure. Which of the following types of microorganisms is photosynthetic? A. a) Cephaleuros Which of the following statements about food chain and energy . Which of the following is the most accurate method for microbial assay of antibiotics? Some bacteria are capable of spore formation so they are highly heat resistant and some are capable of producing heat-resistant toxins. Clarification: The use of Indicator Dye Technique is used for detection and isolation of the organisms which are organic acid producers. Secondary screening may be qualitative and quantitative in its approach. 12. Dec 20, 2022 OpenStax. requires five blood samples . Answer: C Your email address will not be published. D. Indicator dye technique. Fecal coliform bacteria are a subgroup of total coliform bacteria. 5. View Answer, 37. includes 6 urine samples. View Answer, 21. Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? B) False, The aim of industrial microbiology is to produce chemicals that can be purified and packaged for sale or used in other commercial processes. D) 134 oC for 1 second. d) All of the mentioned The section contains MCQs on phages structure and morphology, bacterial viruses replication, lysogeny and lytic. In regions of the estuary that are nutritionally poor, it is more likely to find which of the following organisms? C) new batches of microorganisms are screened for increased yield. The well-isolated colonies are antibiotic producers with the zone of inhibition. Allow discarding of many valueless microbes. View Answer, 2. Who is known as the father of Microbiology? 15. Chemical preservatives do NOT include 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. b) Biological assay False. The bacterium Staphylococcus aureus is which type of bacteria? 1. Rhizobium bacteria. Answer: D Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. View Answer, 3. Answer: 4. View Answer, 7. 5. C) 72 oC for 15 seconds. First link in any food chain is usually green plants because. a. Streptococcus pyogens b. Clarification: Auxanographic technique proceeds with 2-plate preparation. A test tube contains 9ml distilled water. The section contains MCQs on microorganisms, industry, industrial uses of bacteria, molds and yeasts, genotypic changes, bacterial recombination and conjugation, bacterial transduction and transformation. a) 1mm in diameter The section contains MCQs on size, shape and arrangement of bacterial cells, cell wall, structures external and internal to the cell wall. 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. 40) Biochemical tests are a common and conventional laboratory procedure in the differentiation and identification of enteric bacteria. d) Malaria Microbiology is the study of living organisms that are not visible to the naked eyes. Sulphates are reduced to hydrogen sulphide by _____________________ Which of the following is not a subfield of microbiology? lauren conrad and stephen colletti /; 2. Answer: 4. a) S mallpox A 19-year-old male living in a tropical region of India visited the hospital. It is 50,000X magnified image of a bacterium. 2011-2023 Sanfoundry. a) glycerol residues Chrysolaminarin is the reserved food of ___________________ A) substrates are added to the system all at once and runs until product is harvested. The Microbiology Society has a vision and mission around which we base our strategy. a) Lactobacillus Viral hemagglutination assays only work with certain types of viruses because. 4.1: Prokaryote Habitats, Relationships, and Microbiomes. For this dilution, it may be said that the solution was diluted _______ Microbes are certainly ideal for biotechnology. b) Streptococcus lactis b) vitamins Prokaryotes are very flexible metabolically, so they are able to adjust their feeding to the available natural resources. A. Fecal occult blood B. c) Pour-plate and spread plate Place 6 test tubes into a rack and fill each with 9ml of 0.9% NaCl solution. 13. (1) It is useful in sorting microorganisms that have real commercial value. C. 1000-fold What is the average size of a microbe?a) Less than 1 mmb) More than 1 cmc) Less than 0.1 mmd) More than 0.1 mmAnswer: cClarification: Microbes are microorganisms which have a size less than 0.1 mm. Which of the following is the source of Vitamin A. a) Algae Answer: C b) Study of animals and their family (1) Optimal temperature for growth, (2) Optimal oxygen requirements, (3) Optimal nutritional needs (4) All of the above. In which of the following treatment involve oxidation of organic constituents of the wastewater? 5. Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. Study with Quizlet and memorize flashcards containing terms like Which of the following is true about the trichomonas vaginalis? b) Viruses Which of the following types of mutants can be isolated using the replica plate technique? 4. Which of the following are important primary screening techniques? 4. View Answer, 2. Nitrates maintain the red color of preserved meats and C. perfringens is a spore-forming bacteria, that produce H 2 S and hemolysis on blood agar. In batch fermentation, B) plasmolyzes bacteria and fungi. Primary screening of organic acids or amines producing organisms is done by__________, (2) Dye such as neutral red or bromothymol blue is used. Answer: A We recommend using a The bacterial cell then elongates and splits into two daughter cells each with identical DNA to the parent cell. True. b) Thymol blue 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. Aims and objectives. False. c) Organic acid producers Required fields are marked *. During their metabolism, microbes produce chemicals, some of which are used by human beings. What is the pH range of Bromophenol blue? A. American Type Culture Collection Butanol is obtained by fermenting molasses by. Biology Multiple Choice Questions on Microbes. Answer: B D. Indicator dye technique. Has three to five flagella at the posterior end B. Which of the following method can be used to determine the number of bacteria quantitatively? (1) Its a process for the detection and isolation of microorganisms of our interest. B) False, Mass-produced microbial cells can be used as livestock feed. View Answer, 14. Q. Vegetative bacteria are able to withstand adverse conditions better than protozoan cysts. Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include B. 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. Actinomycetes are Gram-positive, facultative anaerobic fungus-like filamentous bacteria which remain on the top of the natural antibiotic producers. Which of the following plate is used to detect and isolate organic acid producers? 44) Which of the following microorganisms can grow only as strict intracellular parasites? C. Organic acid producers 2. 3. C. Enrichment Culture technique Salting, as a preservative, b) Auxanographic technique Biotechnology, the practical application of microorganisms in making products for human use, is a relatively new science, begun since Pasteur's time. The following diagram shows an adenovirus: ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<, Your email address will not be published. View Answer, 15. B) sulfites. d) Indicator dye technique c) MacConkeys Agar plate Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes. 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? d) Hanging Drop technique Defined media are prepared by adding precise amounts of highly purified inorganic or organic chemicals to distilled water. Who was the first to observe animalcules under the microscope? b) Borrelia The section contains multiple choice questions and answers on microorganisms characteristics and microbial classification. 5. View Answer, 49. a) American Type Culture Collection 4. uses 100 grams of glucose in a 300ml solution. d) Lophotrichous APT test C. Elastase I D. Quantitative fecal fat testing: 6. 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. Which isolation technique is most effective? b) below 1 percent A microorganism is a living thing that is too small to be seen with the naked eye. Wish you the best in your endeavor to learn and master Microbiology! b) 8.0 10.0 However, if environmental contamination can enter the system, pathogens could get in too. a) Bacillariophycophyta View Answer, 24. d) Prototheca Crowded plate technique 7. It is a non-profit organization and a key resource for medical research. (1) Microbial isolation technique is an attempt to grow microorganisms outside of their natural environment. B) False, Yeast cells prefer aerobic conditions to multiply in number. 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. View Answer, 11. When examined he said the cough first started about a month ago, he said no other symptoms appeared in the first week, he complained about the loss of appetite due to which he lost some of his body weight. The respiratory chain of bacteria is associated with the _____________ 2. Home Class 12 Biology Objective Questions 250+ TOP MCQs on Microbes and Answers. Question 6. Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . Microbiology Question Bank PDF book covers problem solving exam tests from microbiology textbook and practical book's chapters as: Chapter 1: Basic Mycology MCQs. Microbiology MCQ. Report an issue. The section contains questions and answers on sanitary quality of water, wastewater, treatment processes, fresh foods microbial flora, food preservation and microorganisms. a) Nitrospina gracilis A) manipulating the growth environment. magic island poem tone Consult Now d) Phaeophycophyta answer choices. c) American Type Counter Collection 1. 30 seconds. b) Auxanographic technique Now that you have read Lesson 5 and have completed the exercises, you should be ready to take the self-assessment quiz. 14. c) magnetic fields b) The organism must be able to produce a high yield of product. Definition: true bacteria; bacteria excluding the archaea. 1. c) Objective lens D. Indicator dye technique. d) Photosynthetic sulfur bacteria D) are harvested during the exponential phase of growth. A. D. The organism must be able to grow in an easily available nutrient medium. a) parasitic c) Bacillus thuringiensis 9. Wash your hands with soap and water for at least 20 seconds. C. Enrichment Culture technique The screening is isolation and detection of microorganisms of interest. a) Cyanobacteria, Fungi and Viruses b) Rhodospirillum View Answer, 18. Crowded plate technique 8. Microbes can live in highly acidic as well as an alkaline medium. a) viruses