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The Microbiology Society has a vision and mission around which we base our strategy. b) Potato Dextrose Agar plate (2) It determines which microorganisms can produce a compound. Which of the following enzyme removes the RNA primer with its 5-nuclease activity? A. D) 134 oC for 1 second. 1. A. Everything you need to know about water and wastewater microbiology. The section contains multiple choice questions and answers on viruses, vaccination, structure, composition, viruses classification, virus infection and fatal diseases. 1g of soil is added to that test tube and the soil is allowed to settle down. C. perfringens is a spore-forming bacteria, that produce H 2 S and hemolysis on blood agar. 10. View Answer, 37. ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<. c) Secondary treatment Which of the following method is not used in isolation and screening of desired microorganisms? It is a non-profit organization and a key resource for medical research. 15. b) Auxanographic technique 8. View Answer, 45. Answer: B Screening - It refers to the isolation of only those microorganisms which are of interest from among a large population of microbes. Most E. coli bacteria are harmless and are found in great quantities in the intestines of people and warm-blooded animals. 31) Name the bacteria of the Enterobacteriaceae family that have the following characteristics? d) cellulase a) 1mm in diameter a) Cyanobacteria, Fungi and Viruses d) Photosynthetic sulfur bacteria You will lie on your back on an exam table, with your feet in stirrups. It belongs to the phthalein family that is employed as an acid-base indicator. Therefore, the exact composition of a defined medium is known. View Answer, 41. a) parasitic 7. C) inoculation, fermentation, downstream processing, removal of waste. Butanol is obtained by fermenting molasses by. Which of the following statement is correct regarding primary screening________. Which organisms show the zone of inhibition grown on a Petri plate? c) Enrichment Culture technique b) Ferdinand Cohn d) Hanging Drop technique a) DNA polymerase III a) Crowded plate technique What is high throughput screening used for? Which of the following statements about food chain and energy . The process is repeated several times until the requirement is met. 4. Which of the following inhibits DNA replication? 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B) False, Hot foods must be maintained above 60 oC to inhibit microbial growth. D) starch. A. American Type Culture Collection D. The organism must be able to grow in an easily available nutrient medium. B) False, Pasteurization is used to sterilize milk. Which of the following media is used for screening amylase? Microorganism Definition. The methods for isolation and screening are a crowded plate, auxanography, enrichment culture and use of indicator dyes. 4. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? B) heat. B) are by-products of metabolism that are not important to microbe function. a) viruses To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. c) Spirillum volutans B) inoculation, downstream processing, fermentation, removal of waste. 6.8 - 7.2 b. The organism must be genetically stable A 70 year old male visited a clinic with chronic cough, chest pain, fever, chills, and weakness. Cellulose is degraded to cellobiose by the enzyme __________________ 12. They block floating debris such as wood, rags, and other bulky objects that could clog pipes or pumps. Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . The screening is isolation and detection of microorganisms of interest. Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include These particles may consist of a single, unattached organism or may occur in the form of clumps composed of a number of . 10-fold A) organic acids. C) use of microbes in sewage and pollution control. d) The organism must be able to grow in an easily available nutrient medium Fermentation Technology Questions on Isolation and Screening of Industrially Important Microbes. Who is considered the father of Western medicine? The bacterium Staphylococcus aureus is which type of bacteria? Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. A) True Now that you have read Lesson 5 and have completed the exercises, you should be ready to take the self-assessment quiz. 2. This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. As an Amazon Associate we earn from qualifying purchases. D. Indicator dye technique. are not subject to the Creative Commons license and may not be reproduced without the prior and express written Which of the following microorganism is eliminated in canned foods? 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. Which one of the following is called as the 'brewers yeast'. a) Small pox E. coli is a sub-group of the fecal coliform group. c) Organic acid producers b) coliforms b) below 1 percent View Answer, 15. Crowded plate technique b) Clostridium botulinum 4. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . D) small-scale production is used to synthesize product. b) Candida utilis d) Pasteur Identification of bacteria by biochemical tests. Some strains, however, can cause illness. The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme 6. c) neither aerobic and anaerobic cells d) Indicator dye technique View Answer, 30. Which shape of bacteria has been represented in the following diagram? a) Eremothecium ashbyi (Or show it to your microbiology professor, just for fun.) Answer: 4. d) 5 percent c) UV light b) vitamins D. Hanging Drop technique. Clarification: The pH range of Bromophenol blue is 3.0 4.6. Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. 11. View Answer, 16. a) Mesophile 5. a) Crowded plate technique requires five blood samples . a) Gram-negative organisms 13. Answer: B D. 2-fold. d) Mycoplasmas B. Which of the following plate is used to detect and isolate organic acid producers? A. milk, meat, green vegetables, fruits, etc.) Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? Who proposed that swamps might harbor tiny, disease-causing animals too small to see? Which of the following foods is NOT made by fermentation? B. c) Study of organisms that are not visible to naked eyes C. Organic acid producers b) Viruses d) both aerobic and anaerobic cells d) spherical A) production of alcoholic beverages by microorganisms. Crowded plate technique 2. A) are essential to microbe function. Defined media are prepared by adding precise amounts of highly purified inorganic or organic chemicals to distilled water. Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. View Answer, 5. 4. d) Nitrosovibrio tenuis uses 100 grams of glucose in a 300ml solution. B. Auxanographic technique A) True Clarification: The Antibiotic producers show the zone of inhibition. Penicillin causes inhibition of Mycoplasmas. 8. What is the name of the procedure performed under sterile conditions to eliminate (4) This may be accomplished by paper, thin layer, chromatographic technique. View Answer, 27. Primary treatment removes material that will either float or readily settle out by gravity. This quiz is designed to help you assess how well you have learned the content of this lesson. Which of the following bacteria is an endospore-forming bacteria that is also a common foodborne pathogen? c. confining long hair and loose clothing . 1. C. Enrichment Culture technique c) Saccharomyces cerevisiae b) Rhodospirillum How do you isolate microorganisms in the air? A. 1. B) nutrients are continuously fed into the reactor and the product is siphoned off during the run. Which of the following is the source of Vitamin A. View Answer, 38. You can also check this one and can share your opinions on Cell Culture Plates Product. Name three reserve materials synthesized by microorganisms and note which microbial groups The section contains MCQs on chemotherapy historical highlights, antibiotics and their actions, microbiological assay of antibiotics, antifungal, antiviral and antitumour antibiotics. a) Edwin John Butler Secondary screening helps in detecting really useful microorganisms in fermentation processes, which includes C. 5 8 d) Antoni van Leeuwenhoek Secondary screening can give information about, (1) The genetic instability in microbial cultures, (2) Number of products produced in a single fermentation, 8. c. Let the soil particles settle after shaking and then transfer 1ml of the solution into tube 2. 5. Gram negative bacteria take the color of safranin stain and appear pink or red. b) aerobic cells The common symptoms are pink or red spots on the skin surface, dry cough, and runny nose. d) Coliform bacteria. Which of the following was NOT a kingdom in Linnaeuss taxonomy? Which of the following morphological characteristics is an important identification characteristic of. [1] Infections are common both in community-acquired as well as hospital-acquired settings and treatment remains challenging to manage due to the emergence of multi-drug resistant strains such as MRSA (Methicillin-Resistant Staphylococcus aureus). D. Rose Bengal Agar plate. In which of the following treatment involve oxidation of organic constituents of the wastewater? a) fats View Answer, 13. What is required for proper isolation of microorganisms? B) mass, controlled culture of microbes to synthesize products. Which among the following is a pathogenic algae for humans? View Answer. d) Indicator dye technique 37) Which of the following is the selective media used for the cultivation and isolation of. c) Objective lens The "flash method" or "high temperature short time" method exposes fluids to 13. A. Phenol red plate C) new batches of microorganisms are screened for increased yield. A. Cystic fibrosis is an inherited disease, infection in the lungs and digestive system. This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. 5. 16) A bacteriological stain also known as the differential stain is used for the identification of acid-fast organisms, Which of the following metabolic property differentiate the pink-colored colonies of. The section contains multiple choice questions and answers on nutritional requirements, bacteriological media and physical conditions growth. Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? The Society's role is to help unlock and harness . The reason they are called microorganisms is that you can only see them when you use a microscope. It changes from yellow at pH 3.0 to blue-violet at pH 4.6. View Answer, 19. 15. uses 50 grams of glucose in a 500ml solution. Primary methods to prevent food spoilage do NOT include Nitrates maintain the red color of preserved meats and Biology Multiple Choice Questions on Microbes. The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. c) Enrichment Culture technique C. MacConkeys Agar plate Label these plates 1/10 3 through 1/10 6. A. View Answer, 35. For e.g., cellulose producers grow on nutrient medium supplied with cellulose. View Answer, 28. C) alcohol. 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. Binary fission begins when the DNA of the bacterium divides into two (replicates). 1. 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