False. MCQ on Our Environment Question 9. Primary treatment removes material that will either float or readily settle out by gravity. 2. The production of substances in industrial microbiology occur in the sequence: a) DNA polymerase III b) 8.0 10.0 c) holozoic Butanol is obtained by fermenting molasses by. The "flash method" or "high temperature short time" method exposes fluids to c) 5 8 View Answer, 42. You can also download the PDF of Microbiology MCQs by applying below. Which of the following is a prokaryotic microorganism? Your health care provider will insert a special tool called a speculum into your vagina. View Answer, 22. The reason they are called microorganisms is that you can only see them when you use a microscope. are not subject to the Creative Commons license and may not be reproduced without the prior and express written b) Biological assay Answer: A. Clarification: Screening is the use of highly selective procedures to allow the detection and isolation of only those microorganisms of interest from a large microbial population. 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. d) DNA polymerase II Prokaryotes can be found everywhere on our planet, even in the most extreme environments. c) Peritrichous a) Condenser lens As an Amazon Associate we earn from qualifying purchases. d) Coliforms (Or show it to your microbiology professor, just for fun.) Which of the following is a correct usage of binomial nomenclature? C) are products that require additional processing before they can be packaged. A. American Type Culture Collection The section contains questions and answers on energy utilization in biosynthetic and nonbiosynthetic processes, transcription and translation of genetic information and protein synthesis process. lauren conrad and stephen colletti /; 2. c) an increase in the size of an individual organism d) chitin, cellulose, or hemicellulose View Answer, 14. C) maintain a high osmotic pressure to kill microorganisms. Genetic engineering is also used to improve the biodegradation . d) 2-fold Some strains, however, can cause illness. 5. The section contains multiple choice questions and answers on viruses, vaccination, structure, composition, viruses classification, virus infection and fatal diseases. d) Cristispira a) Eremothecium ashbyi b) Treponema pallidum a. (retrieve https://www.learningsta.com, April 2021) 2.0 SCREENING . B. What is Microbiology? B) 62.3oC for 30 minutes. (3) It provides information on whether the product formed by microorganisms is new or not. b) Fungi 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. Methyl red Place the gram of soil into the first tube with saline and SHAKE WELL. A. Phenol red plate Which of the following is not a subfield of microbiology? MCQ.9):Which bacteria have flagella of amphitrichous type means the flagellum are present at both the sides? Which of the following are important primary screening techniques? d) Lophotrichous Cellulose is degraded to cellobiose by the enzyme __________________ Fermentation Products & Bioreactor Design, Fermentation Laboratory & Bioprocesses Design, SCADA System for Bioreactors, Beer & Brewing, Fermenting Vegetables & Sour Tonic Beverages, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Fermentation Technology Questions and Answers Microbial Growth Kinetics FedBatch Culture, Next - Fermentation Technology Questions and Answers Preservation of Industrial Microorganisms, Certificate of Merit in Fermentation Technology, Fermentation Technology Certification Contest, Genetic Engineering Questions and Answers Database Screening and Screening by Nucleic Acid Hybridisation 1, Fermentation Technology Questions and Answers Improvement of Industrial Microorganisms, Fermentation Technology Questions and Answers Fermentation Products Recovery and Purification Chromatography, Genetic Engineering Questions and Answers Database Screening and Screening by Nucleic Acid Hybridisation 2, Mechanical Operations Questions and Answers Screening Equipments, Fermentation Technology Questions and Answers Microbial Growth Kinetics FedBatch Culture, Fermentation Technology Questions and Answers Aeration and Agitation Determination of Kla Values, Fermentation Technology Questions and Answers Microbial Growth Kinetics Continuous Culture, Fermentation Technology Questions and Answers Commercial Applications Surface, Submerged and Solid State Fermentation, Books on Engineering, Science and Technology, Chemical Process Technology MCQ Questions. d) cathode rays b) cellulose 44) Which of the following microorganisms can grow only as strict intracellular parasites? the virus must be able to cross-link red blood cells directly. 1. 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. 14. d) Rose Bengal Agar plate Clarification: Phenol Red plate is used to detect and isolate organic acid producers. D. Phenol red. What is the name of the procedure performed under sterile conditions to eliminate Glycolysis can occur in ___________ a) Cyanobacteria, Fungi and Viruses Which of the following method proceeds with 2-plate preparation? 4. Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a A. The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against. Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. a) Small pox Pathogen testing is used to identify pathogenic organisms in manufacturing environments, ingredients or finished products that could harm the consumer. Which of the following is the example of encapsulated gram-positive bacteria? Answer: B This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'. c) Streptococci. Wash your hands with soap and water for at least 20 seconds. Besides macroscopic plants and animals, microbes are the major components of biological systems on this earth. b) below 1 percent 31) Name the bacteria of the Enterobacteriaceae family that have the following characteristics? For this dilution, it may be said that the solution was diluted _______ The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. C. Enrichment Culture technique 4. Sanfoundry Global Education & Learning Series Fermentation Technology. View Answer, 26. Measles is a disease caused by a virus, it is spread via respiratory droplets. It changes from yellow at pH 3.0 to blue-violet at pH 4.6. a) Crowded plate technique Our mission is to improve educational access and learning for everyone. Our members have a unique depth and breadth of knowledge about the discipline. Some of the frequently asked exam questions are as follows:-. 45) What are the types of general characteristics that are important for the identification and classification of protozoa? Label these plates 1/10 3 through 1/10 6. Which of the following inhibits DNA replication? d) saprophytic He came with a lesion on the lower part of the left leg that according to him first appeared about a week before visiting the hospital. 15. D) 134 oC for 1 second. d) both aerobic and anaerobic cells Acridine orange is which type of mutagen? Which of the following are the growth morphology of the protozoa? A) True Which of the following method is useful for the detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? c) Robert Koch c) MacConkeys Agar plate Prokaryotes are unicellular microorganisms whose cells have no nucleus. 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. 2. The greatest resolution in light microscopy can be obtained with ___________ d) Thermophile d) Coxiella burnetii a) American Type Culture Collection Biology Multiple Choice Questions on Microbes. Microorganism Definition. c) carbohydrates d) American Type Classifier and Collection Primary screening of organic acids or amines producing organisms is done by__________, (2) Dye such as neutral red or bromothymol blue is used. View Answer, 38. View Answer, 7. a) The organism must be genetically stable. B. Auxanographic technique Definition: true bacteria; bacteria excluding the archaea. Has three to five flagella at the posterior end B. It is further followed by secondary screening, to check the capabilities and gain information about these organisms. Cystic fibrosis is an inherited disease, infection in the lungs and digestive system. 6. b) Automatic Type Counter & Classifier A) True D. Indicator dye technique. Which of the following is NOT a criterion for the choice of an organism? Which among the following group of microorganisms are found in the ducts of cows mammary glands? c) Enrichment Culture technique A) fermentation, downstream processing, removal of waste, inoculation. a) elongated C) inoculation, fermentation, downstream processing, removal of waste. Which of the following enzyme removes the RNA primer with its 5-nuclease activity? Water treatment typically requires three stages to make it potable from sewage. A) heat below 100 oC. b) Study of animals and their family c) Mumps Fermentation Technology Questions on Isolation and Screening of Industrially Important Microbes. D. Indicator dye technique. a) Crowded plate technique determined to obtain accurate susceptibility results. C) is used to prevent growth of halophiles. Cryptococcosis is a disease of ________________ 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 . The objective of this study was to isolate, identify, and screen the potential antimicrobial-producing . chipotle corporate phone number . Clarification: Screening is the use of highly selective procedures to allow the detection and isolation of only those microorganisms of interest from a large microbial population. What are the cell wall structural components of fungi? 10. You can also prevent infections through: Hand-washing. Microbes are only present in hot and humid areas.a) Trueb) FalseAnswer: bClarification: Microbes occur everywhere- in soil, water, air, inside our bodies and that of other animals and plants. What is high throughput screening used for? Which isolation technique is most commonly used for colony isolation in the laboratory? Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . d. using damaged equipment and glassware. 3. (1) Microbial isolation technique is an attempt to grow microorganisms outside of their natural environment. d) Indicator dye technique Universal aseptic techniques includes, Except a) Gown b) Mask c) Cough Etiquettes d) Hand washing answer-D 4. (1) Screen organic acid-producing microbes. Sulphur can be utilized by bacteria in the a. c. confining long hair and loose clothing . The principal microorganism for yogurt is ______________________ this would be absolutely amazing. C) use of microbes in sewage and pollution control. The section contains multiple choice questions and answers on nutritional requirements, bacteriological media and physical conditions growth. 8. membranes of microorganisms. b) Auxanographic technique b) vitamins 9. a) phospholipids Full-form of ATCC is _________. In regions of the estuary that are nutritionally poor, it is more likely to find which of the following organisms? 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. 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. Secondary screening may be qualitative and quantitative in its approach. Plasmodium divides by which of the following method most commonly? c) Gram-negative bacteria A. d) Shortest wavelength of visible light used and an objective with the maximum numerical aperture Blood C. Electrolytes D. Water: 5. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. True. The bacterial cell then elongates and splits into two daughter cells each with identical DNA to the parent cell. View Answer, 17. Answer: B 4.1: Prokaryote Habitats, Relationships, and Microbiomes. 5. Secondary metabolites b) Syphilis The growth factor-like amino acids, vitamins promotes the growth of auxotrophic mutants. Indeed, until Anton von Leeuwenhoek invented . _______ are the agents that act as carriers of a pathogen and spread diseases. C. MacConkeys Agar plate d) hydrophobic barrier and site of generation of protonmotive force Chapter 4: Clinical Virology MCQs. c) The optimum temperature for the growth of an organism must be above 50C. A. 42) Which of the following are the routine diagnostic methods performed for the microbial examination of blood specimens collected from a patient with a high fever for more than 2 days? a) Shortest wavelength of visible light used d) Gram-positive bacteria View Answer, 3. 2. The organism must be able to produce a high yield of product APT test C. Elastase I D. Quantitative fecal fat testing: 6. and you must attribute OpenStax. Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. c) Secondary treatment The screening is isolation and detection of microorganisms of interest. The colour of plate changes from red to yellow in the zone of organisms producing organic acid. b) Nitrosococcus oceanus Juli 2022 Categories: . Which among the following is not an ammonia-oxidizing bacteria? a) Crowded plate technique b) gamma rays 6. b) Rabies b) light waves a) True c) The optimum temperature for the growth of an organism must be above 50C All Rights Reserved. View Answer. Mycobacteria f"u001e MCQs IN MICROBIOLOGY 13. pH required for the growth of bacteria is 22. The following diagram represents ____________a) Plate with wormsb) Colonies of bacteria on a petri dishc) Onion root cells on a plated) Cheek cellsAnswer: bClarification: The following diagram represents colonies of bacteria on a petri dish. B) False, Freezing at below -20 oC will kill most pathogenic food bacteria and inactivate toxins. 4. In this process desired microorganism is generally isolated from a natural environment like soil, which . Which one of the following organisms is least likely to cause this illness? c) Enrichment Culture technique c) Nitrosomonas europaea Crowded plate technique 11. b) Budding This quiz is designed to help you assess how well you have learned the content of this lesson. D. Indicator dye technique. Everything you need to know about water and wastewater microbiology. C) alcohol. Which microorganism(s) among the following perform photosynthesis by utilizing light? c) hydrophobic barrier 3. The section contains multiple choice questions and answers on soil microorganisms interactions, nitrogen, carbon and sulphur cycles, aquatic environment, aquatic microorganisms techniques and productivity. 1g of soil is added to that test tube and the soil is allowed to settle down. They are present even at sites where no other life-form could possibly exist- sites such as deep inside geysers, deep in the soil, etc. b) Streptomyces olivaceus C. 1000-fold View Answer, 4. b) coliforms c) Chlorella b) 10-fold B) plasmolyzes bacteria and fungi. Which of the following is not related to microbes?a) Microbes are not ideal for biotechnologyb) Microbes produce chemicals during their metabolismc) Microbes can be grown on artificial mediumd) Microbes can live in highly acidic mediumAnswer: aClarification: Microbes can be grown on artificial cultures media where they form colonies. Fecal coliform bacteria are a subgroup of total coliform bacteria. Screening - It refers to the isolation of only those microorganisms which are of interest from among a large population of microbes. 9. Which of the following is used in electron microscope? 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. The process is repeated several times until the requirement is met. C. Organic acid producers They block floating debris such as wood, rags, and other bulky objects that could clog pipes or pumps. A) manipulating the growth environment. c) An objective with minimum numerical aperture View Answer, 44. c) fecal streptococci (4) It separates out only a few microorganisms, only a few have commercial value while discards the valueless microorganisms, 14. Which of the following is NOT a domain in Woese and Foxs phylogenetic tree? Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? Clarification: The question mark in the following figure represents flagella of a rod-shaped bacterium. a) Vibrio cholerae View Answer, 12. (3) It does not provide many ideas about the production or yield potential of microorganisms. b) cell wall View Answer, 14. citation tool such as, Authors: Nina Parker, Mark Schneegurt, Anh-Hue Thi Tu, Philip Lister, Brian M. Forster. b) an increase in number of cells Bacteria do not grow at a water activity level below 0.91 and require neutral pH (6.5-7) to cause food spoilage (e.g. Answer: B Microscopic examination and culture of the sputum sample revealed gram-positive cocci that appear in chains. d) Antoni van Leeuwenhoek Which among the following is a pathogenic algae for humans? 4. Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? Which of the following dye is colourless at acidic pH and becomes red at basic pH? c) Phenolphthalein 2. The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. (1) It is useful in sorting microorganisms that have real commercial value. Contact Us. 2. Who is considered the "father of Western medicine"? View Answer, 11. This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? d) 6.4 8.0 a) parasitic 5. uses 100 grams of glucose in a 300ml solution. b) The organism must be able to produce a high yield of product. 3. Which of the following metabolic characteristic is a distinguishing characteristic and identification of colonies of. What is the pH range of Bromophenol blue? 9. Defined media are prepared by adding precise amounts of highly purified inorganic or organic chemicals to distilled water. Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. 8. A. Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include B) sulfites. 5. The well-isolated colonies are antibiotic producers with the zone of inhibition. 7. 1. What is the fecal test that requires a 3-day specimen? 11. The section contains MCQs on selective methods, pure cultures and cultural characteristics. A 70 year old male visited a clinic with chronic cough, chest pain, fever, chills, and weakness. B) using small scale containers to concentrate production. . d) Indicator dye technique Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite. Microbiology is the study of living organisms that are not visible to the naked eyes. Except where otherwise noted, textbooks on this site 1. d) Study of microscope d) cellulase 37) Which of the following is the selective media used for the cultivation and isolation of. c) base analog View Answer, 19. [1] Often the first test performed, gram staining involves the use of crystal violet or methylene blue as the primary color. Prokaryotes are very flexible metabolically, so they are able to adjust their feeding to the available natural resources. B) inhibit germination of botulism spores. d) Coliform bacteria. a) Crowded plate technique A test tube contains 9ml distilled water. chp 25 microbiology 211 mcq. c) Mycobacterium tuberculosis Rhizobium bacteria. [2][3] S. aureus is found in the . Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? Which of the following method proceeds with 2-plate preparation? screening of microorganisms includes mcq; screening of microorganisms includes mcq. b) Microbacteria Answer: C Which of the following foods is NOT made by fermentation? (2) Attempt to kill microorganisms outside of their natural environment. (3) Attempt to synthesized secondary metabolites outside of their natural environment. False. Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. Staphylococcus aureus is a major bacterial human pathogen that causes a wide variety of clinical manifestations. The screening is isolation and detection of microorganisms of interest. Which of the following bacteria is an endospore-forming bacteria that is also a common foodborne pathogen? It is used to reduce the dense culture of cells to usable concentration. Clarification: Phenolphthalein has a pH range between 8.0 10.0. In an ecosystem, herbivores represent. 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) False It works best in this range and is also used as a tracking dye in Agarose-Gel Electrophoresis. The section contains multiple choice questions and answers on microorganisms characteristics and microbial classification. E. coli is a sub-group of the fecal coliform group. b. Which of the following is NOT a criterion for the choice of an organism? C) selecting microbial strains that lack a feedback system. a) Crowded plate technique a) changes in the total population b) Auxanographic technique 3. a) Algae Clarification: Hanging drop technique is used for motility testing of bacteria. b) Viruses consent of Rice University. Multiple Choice. Crowded plate technique View Answer, 50. Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single circular chromosome. It is the organization which has the largest department of Research and Development. A. b) Streak-plate 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. 4. 11 junio, 2022. c) AIDS ticks and fleas. d) Mycoplasmas 30 seconds. c) Spirillum volutans d) an increase in the mass of an individual organism In the following diagram, what does the question mark represent?a) Ciliab) Flagellac) Haird) PseudopodiaAnswer: b 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. d) 5 percent 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. D) all of the above. A 7 year old girl developed a sore throat and fever for 2 days. View Answer, 21. b) transposons 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. Which of the following is a family of lambda phage viruses? The section contains multiple choice questions and answers on morphology, reproduction, physiology and fungi cultivation, fungi classification and special interest. 14. D. 2-fold. D. American Type Classifier and Collection. Vaccination was invented by ____________ b) aerobic cells a) 1mm in diameter 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.
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