screening of microorganisms includes mcq

c) Saccharomyces cerevisiae A 70 year old male visited a clinic with chronic cough, chest pain, fever, chills, and weakness. C. Organic acid producers A) True C. 1000-fold 1. Some of the frequently asked exam questions are as follows:-. Which of the following is a type of fungal microorganism? c) ribitol or glycerol residues c) Microviridae Which shape of bacteria has been represented in the following diagram? 10-fold B) plasmolyzes bacteria and fungi. Identify bacteriophage. a) Alcoholic beverages Chemical preservatives do NOT include b) Auxanographic technique C. perfringens is a spore-forming bacteria, that produce H 2 S and hemolysis on blood agar. D. Indicator dye technique. The methods for isolation and screening are a crowded plate, auxanography, enrichment culture and use of indicator dyes. c) Spirillum volutans View Answer, 41. 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. 31) Name the bacteria of the Enterobacteriaceae family that have the following characteristics? View Answer, 18. B. Auxanographic technique d) 5 percent Primary screening of organic acids or amines producing organisms is done by__________, (2) Dye such as neutral red or bromothymol blue is used. c) Breads The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against. a) Leuconostoc mesenteroides Your email address will not be published. View Answer, 3. 25. a)Microaerophilic. coliform bacteria in drinking water, the source is probably environmental and fecal contamination is unlikely. C) maintain a high osmotic pressure to kill microorganisms. Which of the following is a family of lambda phage viruses? 3.0 4.6 Which of the following statement is correct regarding primary screening________. The serial dilutions of soil are performed and spread on a Petri plate and allowed to grow. Engineering 2023 , FAQs Interview Questions. Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella pneumoniae. View Answer. Viral hemagglutination assays only work with certain types of viruses because. Sanfoundry Global Education & Learning Series Fermentation Technology. 5. a) American Type Culture Collection View Answer, 45. The production of substances in industrial microbiology occur in the sequence: Microbiology MCQ. a) viruses d) Indicator dye technique You will lie on your back on an exam table, with your feet in stirrups. Answer: C Incorporation of CaCO3 in medium is also used to__________. What is high throughput screening used for? b. Defined media are prepared by adding precise amounts of highly purified inorganic or organic chemicals to distilled water. b) hydrophilic barrier b) False Symptoms include cough and lung infection. a) peptidoglycan Which of the following gram positive bacteria is a strict anaerobe and can only grow in the absence of oxygen? c) nucleotides It is important to find and resolve the source of the contamination. 2. c) Cyanobacteria a) Condenser lens Dec 20, 2022 OpenStax. Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. 2011-2023 Sanfoundry. Which isolation technique is most commonly used for colony isolation in the laboratory? Microorganism Definition. a) viral infection View Answer, 38. A. B. 2. D. Indicator dye technique. Fecal coliform bacteria are a subgroup of total coliform bacteria. Crowded plate technique How do you isolate microorganisms from the soil? D) starch. About Oracle NetSuite. View Answer, 32. Which of the following method proceeds with 2-plate preparation? A. Primary methods to prevent food spoilage do NOT include View Answer, 49. The objective of this study was to isolate, identify, and screen the potential antimicrobial-producing . MCQ on Industrial Microbiology. Clarification: ATCC stands for American Type Culture Collection. It is done by using paper, thin layer or other chromatographic techniques. How do you isolate microorganisms in the air? a) S mallpox (4) This may be accomplished by paper, thin layer, chromatographic technique. 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. View Answer. The screening is isolation and detection of microorganisms of interest. It will immensely help anyone trying to crack an exam or an interview. Growth Factor producers Answer: B Some bacteria are capable of spore formation so they are highly heat resistant and some are capable of producing heat-resistant toxins. [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). 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. Here are 1000 MCQs on Microbiology (Chapterwise), The Characterization, Classification and Identification of Microorganisms, The Microscopic Examination of Microorganisms, The Morphology and Fine Structure of Bacteria, Pure Cultures and Cultural Characteristics, Microbial Metabolism : Utilization of Energy and Biosynthesis, The Control of Microorganisms by Physical & Chemical Agents, Antibiotics and Other Chemotherapeutic Agents, Microbiology of Soil & Aquatic Microbiology, Microbiology of Domestic Water and Wastewater, Microbiology of Food, Industrial Microbiology & Bacterial Genetics, Microbial Flora of the Healthy Human Host, Host-Microbe Interactions : The Process of Infection, Microbial Agents of Disease : Bacteria & Viruses, Microbial Agents of Disease : Fungi and Protozoa, Microbiology MCQ: Major Characteristics of Microorganisms, Microbiology MCQ: Microbial Classification, Microbiology MCQ: Transmission Electron Microscope and Scanning Electron Microscope, Microbiology MCQ: The 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Which among the following is a pathogenic algae for humans? C) is used to prevent growth of halophiles. Each of the following organisms is an important cause of urinary tract infections except: a. Klebsiella pneumoniae b. Escherichia coli c. Bacteriodes fragilis d. Proteus mirabilis; A 30-year woman has non-bloody diarrhea for the past 14 hours. b) RNA polymerase c) Chlorella b) Auxanographic technique B. Auxanographic technique a) fats b) Magnifying lens A) True Crowded plate technique a) elongated 15. a) cytoplasmic membrane Genetic engineering is also used to improve the biodegradation . True. 12. 3. Which of the following statements is correct regarding secondary screening________. b) Jenner This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. View Answer, 26. 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. d) Lophotrichous Q. Q.1: Screening of microorganisms includes . It is 50,000X magnified image of a bacterium. c) Peritrichous It is the organization which has the largest department of Research and Development. (1) It is useful in sorting microorganisms that have real commercial value. d) Shortest wavelength of visible light used and an objective with the maximum numerical aperture Secondary screening may be qualitative and quantitative in its approach. c) parasitic infection Who proposed that swamps might harbor tiny, disease-causing animals too small to see? D. 6.4 8.0. The principal microorganism for yogurt is ______________________ 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. 6. Identification of bacteria by biochemical tests. B. Auxanographic technique B) False, Hot foods must be maintained above 60 oC to inhibit microbial growth. A test tube contains 9ml distilled water. A. What is the approximate size of the bacterial cell? View Answer, 13. a) Crowded plate technique a) anaerobic cells Yeast cells are good source of. C) inoculation, fermentation, downstream processing, removal of waste. B. View Answer, 31. Mycoplasma pneumoniae is an unusual bacteria with distinctive colonies which are. c) Lactobacilli 13. a) Regeneration 8. Water treatment typically requires three stages to make it potable from sewage. Want to cite, share, or modify this book? Screens are made of long, closely spaced, narrow metal bars. d) bacterial infection Which of the following types of mutants can be isolated using the replica plate technique? Air Sampling. A. View Answer, 5. Which of the following plate is used to detect and isolate organic acid producers? View Answer, 2. Who is known as the father of Microbiology? Except where otherwise noted, textbooks on this site The microorganisms are chosen based on the rest three criteria. View Answer, 9. Clarification: Phenol Red plate is used to detect and isolate organic acid producers. c) Spirochaeta (3) Attempt to synthesized secondary metabolites outside of their natural environment. (4) Attempt to Stain microorganisms. lack of cell wall. a) DNA polymerase III 5. B) are by-products of metabolism that are not important to microbe function. Which of the following is NOT a domain in Woese and Foxs phylogenetic tree? 14. 1. A. a) chemical compounds 4. 2. 4. Which of the following is NOT a criterion for the choice of an organism? Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single circular chromosome. c) Enrichment Culture technique uses 50 grams of glucose in a 500ml solution. Which of the following method can be used to determine the number of bacteria quantitatively? Answer: B d) Indicator dye technique c) Chemical assay 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. Clarification: The question mark in the following figure represents flagella of a rod-shaped bacterium. Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? d) Coliform bacteria. View Answer, 34. b) an increase in number of cells b) vitamins For this dilution, it may be said that the solution was diluted _______ Often overlooked, hand-washing is one of the easiest and most effective ways to protect yourself from germs and most infections. It works best in this range and is also used as a tracking dye in Agarose-Gel Electrophoresis. b) Syphilis Chapter 2: Classification of Medically important Bacteria MCQs. d) appendaged bacteria B) 62.3oC for 30 minutes. b) Auxanographic technique D) exposure. These microorganisms have been often under-appreciated and under-studied. Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella . First link in any food chain is usually green plants because. determined to obtain accurate susceptibility results. Our Environment Class 10 MCQ Question 6. d) Photosynthetic sulfur bacteria 5. b) cellulose 13. 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. a) Small pox The section contains questions and answers on energy utilization in biosynthetic and nonbiosynthetic processes, transcription and translation of genetic information and protein synthesis process. and you must attribute OpenStax. Answer: D uses 100 grams of glucose in a 300ml solution. The section contains multiple choice questions and answers on soil microorganisms interactions, nitrogen, carbon and sulphur cycles, aquatic environment, aquatic microorganisms techniques and productivity. d) Indicator dye technique d) Multiple fission b) The organism must be able to produce a high yield of product. Secondary screening may be qualitative and quantitative in its approach. a) Spread-plate c) Pour-plate and spread plate A 7 year old girl developed a sore throat and fever for 2 days. Due to the climatic and geographical diversity of Nepal, a wide range of microorganisms with potent source of antimicrobials are available. A 19-year-old male living in a tropical region of India visited the hospital. d) gene a) Rod-shaped b) Comma shaped c) Spiral shaped d) Spherical shaped Answer: a Clarification: The following diagram represents rod-shaped bacteria, magnified 1500X. C. Enrichment Culture technique Crowded plate technique Which of the following method is not used in isolation and screening of desired microorganisms? 250+ TOP MCQs on Microbes in Industrial Products-4 and Answers, 300+ TOP MCQs on Microbes in Human Welfare and Answers, 250+ TOP MCQs on Microbes in Household Products-1 and Answers, 250+ TOP MCQs on Microbes in Production of Biogas and Answers, 250+ TOP MCQs on Microbes in Household Products-2 and Answers, 250+ TOP MCQs on Microbes in Industrial Products-3 and Answers, 250+ TOP MCQs on Microbes in Sewage Treatment and Answers, 250+ TOP MCQs on Microbes in Industrial Products-1 and Answers, 250+ TOP MCQs on Microbes in Industrial Products-2 and Answers, 250+ TOP MCQs on Microbes as Biofertilizers and Answers, [12 Class Notes] MICROBES IN HUMAN WELFARE Biology CBSE, 250+ TOP MCQs on Microbes as Biocontrol Agents and Answers, 250+ TOP MCQs on Microbes in Metal Containing Habitat and Answers, 250+ TOP MCQs on Microbes in Bioleaching Process and Answers, 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers, 300+ TOP MCQs on Bioremediation and Answers, 250+ TOP MCQs on Heat Transfer Applications Thermal Processing and Answers, 250+ TOP MCQs on Environmental Issues Water Pollution and its Control and Answers, 250+ TOP MCQs on Biotechnology Applications Ethical Issues and Answers, 250+ TOP MCQs on Hydraulic Fracturing Frac Job Design and Answers. a) Nitrospina gracilis (3) It does not provide many ideas about the production or yield potential of microorganisms. The bacterial cell then elongates and splits into two daughter cells each with identical DNA to the parent cell. The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. Full-form of ATCC is _________ a) changes in the total population a) Killing all microorganisms. View Answer, 11. 3. Who was the first to observe "animalcules" under the microscope? Fermentation Technology Questions on Isolation and Screening of Industrially Important Microbes. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. C. MacConkeys Agar plate View Answer, 2. Has two nuclei C. Forms cysts D. Has a sucking disc E. Survives well in ordinary water, even when this is hot or contains chlorine or detergents, Flagellate parasite is the cause of vulvovaginitis in women in . d) hydrophobic barrier and site of generation of protonmotive force b) Monotrichous d) Prototheca Which one of the following organisms is least likely to cause this illness? 14. Candidiasis is a fungal infection, skin infection, and mouth or vaginal infection that can occur due to the overgrowth of the fungus. answer choices. Answer: A 5. 11 junio, 2022. Clarification: The optimum temperature for the growth of an organism should be above 40C. C. Enrichment Culture technique D. Hanging Drop technique. 4. Here are 1000 MCQs on Microbiology (Chapterwise). 8. b) Study of animals and their family The microorganisms from lakes and rivers can grow at a salt concentration of _________ 100-fold b) Rhodospirillum A) fermentation, downstream processing, removal of waste, inoculation. Multiple Choice. This is one of the widely used methods and more important. View Answer, 27. Clarification: The prototrophs are the organisms which are capable of synthesizing all the growth requirements by themselves whereas auxotroph is dependent on prototrophs. MCQ.9):Which bacteria have flagella of amphitrichous type means the flagellum are present at both the sides? Through primary screening only few or many microorganism that produce a industrially . b) cell wall c) DNA polymerase I 4. B. Rhizobium bacteria. View Answer, 4. Easy detection of the small percentage of useful microorganism. Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . d) Rose Bengal Agar plate View Answer, 11. b) Automatic Type Counter & Classifier View Answer, 30. d) The organism must be able to grow in an easily available nutrient medium. Best method of sterilization at commercial level is a) Hot air oven b) Autoclaving c) Radiation d) Sun light answer-C 5. YB STUDY is an Indias largest Online learning website offers learning for classes 1 to 12 and competitive exams like NEET, JEE, Olympiads, NTSE, KVPY, State boards etc. B. 2. YB STUDY is an Indias largest Online learning website offers learning for classes 1 to 12 and competitive exams like NEET, JEE, Olympiads, NTSE, KVPY, State boards etc. Bacteria having clusters of flagella at both poles of cells are known as? b) Nitrosococcus oceanus b) Streptococcus lactis C. American Type Counter Collection The section contains questions and answers on cell division modes, bacteria growth cycle and quantitative measurement. What is Microbiology? B) using small scale containers to concentrate production. a) Leuconostoc citrovorum 2. (2) It determines which microorganisms can produce a compound. 6. A) radiation. a) Vibrio cholerae Methyl red Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. Clarification: Phenolphthalein has a pH range between 8.0 10.0. c) Desulfotomaculum sp. Prokaryotes are very flexible metabolically, so they are able to adjust their feeding to the available natural resources. Self-Assessment Quiz. Answer: A 7. Done in one or few steps. Answer: A C. Enrichment Culture technique a) Amphitrichous Which of the following is NOT a criterion for the choice of an organism? However, if environmental contamination can enter the system, pathogens could get in too. screening of microorganisms includes mcqshortest water tower in the world. View Answer, 17. Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? 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.

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