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b) Candida utilis 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. a) American Type Culture Collection 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 . a) Cyanobacteria, Fungi and Viruses d) Indicator dye technique Microbes can live in highly acidic as well as an alkaline medium. What is high throughput screening used for? _______ are the agents that act as carriers of a pathogen and spread diseases. It belongs to the phthalein family that is employed as an acid-base indicator. A 7 year old girl developed a sore throat and fever for 2 days. d) Thermophile 14. B) sulfites. 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. Phenol red plate Which of the following microorganism is eliminated in canned foods? The objective of this study was to isolate, identify, and screen the potential antimicrobial-producing . Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . 2. (1) Optimal temperature for growth, (2) Optimal oxygen requirements, (3) Optimal nutritional needs (4) All of the above. B) inhibit germination of botulism spores. Which of the following is used in electron microscope? In regions of the estuary that are nutritionally poor, it is more likely to find which of the following organisms? b) an increase in number of cells Sulphates are reduced to hydrogen sulphide by _____________________ d) Cristispira d) American Type Classifier and Collection It is colourless at pH 8.0 and becomes red at pH above 10.0. d) an increase in the mass of an individual organism Ans: The steps adopted in a typical sewage treatment plant are as given below: ADVERTISEMENTS: Viral hemagglutination assays only work with certain types of viruses because. Multiple Choice. b) Fermented dairy products d) Mycoplasmas a) Thiobacillus thiooxidans View Answer, 43. b) The organism must be able to produce a high yield of product. 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. Answer: 4. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. View Answer, 39. c) Enrichment Culture technique B. 31) Name the bacteria of the Enterobacteriaceae family that have the following characteristics? Which among the following is not an ammonia-oxidizing bacteria? Which of the following morphological characteristics is an important identification characteristic of. On the second day, the symptoms got worse and she was taken to the hospital. a) above 1 percent Answer: C b) Automatic Type Counter & Classifier microscopic with a fried egg shape. Vaccination was invented by ____________ 1215, 1216 137, 1217 Particles in a biological aerosol usually vary in size from <1 m to 50 m. 9. B) False, When in doubt, throw it out. 1999-2023, Rice University. Answer: 1. Everything you need to know about water and wastewater microbiology. Tyrocidines are more effective against ___________________ It should have a fast rate of kill of micro-organisms. Which of the following are present in teichoic acids? In the following diagram, what does the question mark represent?a) Ciliab) Flagellac) Haird) PseudopodiaAnswer: b membranes of microorganisms. 10. Binary fission begins when the DNA of the bacterium divides into two (replicates). Which of the following was NOT a kingdom in Linnaeuss taxonomy? Prokaryotes can be found everywhere on our planet, even in the most extreme environments. a) Crowded plate technique The section contains questions and answers on cell division modes, bacteria growth cycle and quantitative measurement. MCQ.8): In which of the following bacterial condition, fimbriae helps the bacteria to stick to the mucous membrane of the host? Answer: B b) Rabies B. c) Enrichment Culture technique c) Enrichment Culture technique Done in one or few steps. 26. E. coli is a sub-group of the fecal coliform group. Phosphorus is essential component of __________ Your email address will not be published. The colour of plate changes from red to yellow in the zone of organisms producing organic acid. 7. 13. milk, meat, green vegetables, fruits, etc.) D. Amino acid producers. coliform bacteria in drinking water, the source is probably environmental and fecal contamination is unlikely. d) Pour plate C) is used to prevent growth of halophiles. The process is repeated several times until the requirement is met. 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? a) Alcoholic beverages It will immensely help anyone trying to crack an exam or an interview. Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. Give the steps of typical sewage treatment plant are as given below. View Answer, 9. B. Auxanographic technique a) Crowded plate technique Which among the following are Spirochetes? During the test, You will take off your clothes below your waist. D. 2-fold. 8. What are the cell wall structural components of fungi? You can also download the PDF of Microbiology MCQs by applying below. Label these plates 1/10 3 through 1/10 6. 30 seconds. 1. Auxanography technique is employed for detecting microorganisms able to produce__________. View Answer, 27. 1. In this process desired microorganism is generally isolated from a natural environment like soil, which . 8. View Answer, 2. Who is known as the father of Microbiology? What is the name of the procedure performed under sterile conditions to eliminate What is the fecal test that requires a 3-day specimen? 1. the virus must not be able to lyse red blood cells. 12. View Answer, 45. Several microbes are useful to humans in diverse ways like in household products, industrial products, agricultural products, etc. It is the organization which has the largest department of Research and Development. 5. other viruses are too dangerous to work with in a clinical lab setting. Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. A BV test is done in a similar way as a pelvic exam or Pap smear. Q.1. A. Primary methods to prevent food spoilage do NOT include As an Amazon Associate we earn from qualifying purchases. c) Phenolphthalein The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against. Salting, as a preservative, C) are products that require additional processing before they can be packaged. b) 10-fold 11 junio, 2022. View Answer, 7. View Answer, 7. Question 6. b) 8.0 10.0 Microbes like bacteria and many fungi can be grown on nutritive media to form colonies, that can be seen with naked eyes. c) Cyanobacteria Answer: A a. b) Killing pathogenic microorganisms c) Killing spores d) None of these answer-A 3. A) radiation. 4. To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. The section contains MCQs on microorganisms, industry, industrial uses of bacteria, molds and yeasts, genotypic changes, bacterial recombination and conjugation, bacterial transduction and transformation. Mycoplasma pneumoniae is an unusual bacteria which has distinctive characteristics, such as. Actinomycetes are Gram-positive, facultative anaerobic fungus-like filamentous bacteria which remain on the top of the natural antibiotic producers. These microorganisms have been often under-appreciated and under-studied. c) Breads 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? (Or show it to your microbiology professor, just for fun.) C. Enrichment Culture technique 15. Microbes are certainly ideal for biotechnology. 12. View Answer, 32. a) peptidoglycan a) 3.0 4.6 Secondary screening can give information about, (1) The genetic instability in microbial cultures, (2) Number of products produced in a single fermentation, 8. A food chain comprising birds, green plants, fish and man. d) saprophytic 11. This reduces the cooling costs in large scale fermenters. 2. Rhizobium bacteria. Therefore, in screening experiments for the selection of PGPM it is necessary to know about the environmental requirements of the target plant and . View Answer, 11. Our mission is to improve educational access and learning for everyone. 3. a) Regeneration 6.8 - 7.2 b. Avoid contaminated food and water. D) exposure. B) False, HACCP Hazard Analysis and Critical Control Point uses random samples for quality control of the food supply. Antibiotic producers d) appendaged bacteria A. d) Indicator dye technique The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. c) 2mm in diameter The Gram staining is one of the most crucial staining techniques in microbiology. Chapter 3: Classification of Viruses MCQs. Which isolation technique is most commonly used for colony isolation in the laboratory? b) Budding c) DNA polymerase I Crowded plate technique The bacterium Staphylococcus aureus is which type of bacteria? b) The organism must be able to produce a high yield of product 3. Who was the first to observe "animalcules" under the microscope? then you must include on every digital page view the following attribution: Use the information below to generate a citation. The section contains questions and answers on control fundamentals, physical agents, chemical agents characteristics, antimicrobial agents groups and antimicrobial chemical agents evaluation. 30 seconds. (4) It separates out only a few microorganisms, only a few have commercial value while discards the valueless microorganisms, 14. 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. uses 50 grams of glucose in a 500ml solution. Place the gram of soil into the first tube with saline and SHAKE WELL. View Answer, 15. d) electron beams About Oracle NetSuite. Penicillin causes inhibition of Mycoplasmas. d) Physical assay B) using small scale containers to concentrate production. are not subject to the Creative Commons license and may not be reproduced without the prior and express written C. The optimum temperature for the growth of an organism must be above 50C B) False, Pasteurization is used to sterilize milk. Identify bacteriophage. (4) This may be accomplished by paper, thin layer, chromatographic technique. Your health care provider will insert a special tool called a speculum into your vagina. Some of the frequently asked exam questions are as follows:-. a) Final treatment c) The optimum temperature for the growth of an organism must be above 50C. Which of the following foods is NOT made by fermentation? Q. Q.1: Screening of microorganisms includes . b) irregular Engineering 2023 , FAQs Interview Questions, on 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers, Fermentation Technology Objective Questions, 300+ TOP MCQs on Database Screening and Screening by Nucleic Acid Hybridisation 1 and Answers, 300+ TOP MCQs on Database Screening and Screening by Nucleic Acid Hybridisation 2 and Answers, 250+ MCQs on Media for Industrial Fermentations Minerals, Growth Factors and Buffers and Answers, 250+ MCQs on Improvement of Industrial Microorganisms and Answers, 250+ TOP MCQs on Vibration Isolation and Transmissibility and Answers, 250+ TOP MCQs on Multiversion Schemes, Snapshot Isolation, 250+ TOP MCQs on Microbes in Industrial Products-3 and Answers, 250+ TOP MCQs on Microbes in Metal Containing Habitat and Answers, [12 Class Notes] MICROBES IN HUMAN WELFARE Biology CBSE, 250+ TOP MCQs on Microbes as Biofertilizers and Answers, 250+ TOP MCQs on Transaction Isolation Levels and Answers, 250+ TOP MCQs on Enzyme Extraction and Isolation Choice of Enzyme Sources and Answers, 250+ MCQs on Microbial Growth Kinetics Batch Culture and Answers, 200+ TOP CELL CULTURES and CHARACTERISTICS Interview Questions and Answers, 200+ TOP Microbiology Of Foods Interview Questions with Answers, 250+ TOP MCQs on Microbes in Industrial Products-2 and Answers, 250+ MCQs on Brewing Yeast Differentiation (Traditional Methods) and Answers, 250+ TOP MCQs on Microbes in Household Products-2 and Answers, 300+ TOP Cell Cultures & Characteristics Objective Questions and Answers, 300+ TOP Microbiology of Foods Objective Questions & Answers. 5. View Answer, 30. D) are harvested during the exponential phase of growth. Required fields are marked *. A. d) mitochondrial membrane It is done by using paper, thin layer or other chromatographic techniques. It is 50,000X magnified image of a bacterium. lauren conrad and stephen colletti /; 2. Which of the following method is not used in isolation and screening of desired microorganisms? Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? a) Streptomyces sp. 9. D. Hanging Drop technique. Allow discarding of many valueless microbes. The Society's role is to help unlock and harness . 2. d) Lactobacillus acidophilus Which of the following method proceeds with 2-plate preparation? b) Ferdinand Cohn a) DNA polymerase III Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella . Juli 2022 (2) Attempt to kill microorganisms outside of their natural environment. View Answer, 36. A) manipulating the growth environment. c) carbohydrates This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. Crowded plate technique Plasmodium divides by which of the following method most commonly? (1) Screen organic acid-producing microbes. c. confining long hair and loose clothing . Which of the following are important primary screening techniques? b) vitamins Which of the following method is useful for the isolation and detection of organisms having the ability to produce growth factors? Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . Our members have a unique depth and breadth of knowledge about the discipline. d) The organism must be able to grow in an easily available nutrient medium Which of the following is the standard resource for identifying bacteria? Clarification: The Crowded Plate Technique is used for the detection and isolation of the organisms which are antibiotic producers. Which of the following enzyme removes the RNA primer with its 5-nuclease activity? Chrysolaminarin is the reserved food of ___________________ View Answer. Clarification: The Antibiotic producers show the zone of inhibition. c) Nitrosomonas europaea Answer: A Answer: A 4. A. It is further followed by secondary screening, to check the capabilities and gain information about these organisms. Screening includes primary screening and secondary screening. 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. All microbes are harmful to humankind.a) Trueb) FalseAnswer: bClarification: Although microbes cause a large number of diseases in human beings, various animals and plants, but not all microbes are harmful. Symptoms include cough and lung infection. [1] Often the first test performed, gram staining involves the use of crystal violet or methylene blue as the primary color. a) Spread-plate The section contains questions and answers on light microscope, microbial Stains, transmission and scanning electron microscope. Yeast cells are good source of. b) Auxanographic technique Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? Which of the following types of microorganisms is photosynthetic? b) Magnifying lens 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) False, Mass-produced microbial cells can be used as livestock feed. B. Auxanographic technique It changes from yellow at pH 3.0 to blue-violet at pH 4.6. View Answer. Mycoplasma pneumoniae is an unusual bacteria with distinctive colonies which are. 11. Which of the following is a type of fungal microorganism? You will get a gown or sheet as a cover. These extracellular enzymes break up the giant molecules of the substrate into smaller ones that can feed the microorganisms. The process is repeated several times until the requirement is met. Want to cite, share, or modify this book? d) Candida milleri View Answer, 41. Which of the following is the example of encapsulated gram-positive bacteria? 5. B) mass, controlled culture of microbes to synthesize products. OpenStax is part of Rice University, which is a 501(c)(3) nonprofit. d) Measles c) parasitic infection a) S mallpox Which among the following group of microorganisms are found in the ducts of cows mammary glands? What is the approximate size of the bacterial cell? a) True Gram positive bacterial cell wall takes the stain of crystal violet and appears, BIOCHEMISTRY, BIOMEDICINE & PHARMACEUTICS, Classification and identification of microorganisms, Branched Chain Amino Acid Metabolism and Maple Syrup Urine Disease, drugs for the treatment of cardiovascular diseases, MEDICAL MICROBIOLOGY gastrointestinal tract, Nosocomial infection/ hospital acquired infections, Lipid Metabolism: MCQs (Cholesterol, Triglycerides, and Other Lipids), MCQs on Sterilization and Disinfection - Decontamination, aseptic processes in laboratory and hospitals, Carbohydrate Metabolism: MCQ on Glycolysis & Gluconeogenesis. 6. View Answer, 31. This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. Report an issue. True. A) organic acids. View Answer, 5. 12. Answer: D The organic acid producers produce acid which changes the colour of media and is thus detected easily. Which of the following are produced by microorganisms? d) Gram-positive bacteria (3) It does not provide many ideas about the production or yield potential of microorganisms. 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. Diagram and name four mechanisms bacteria use to transport materials across the cytoplasmic membrane. 8. c) beta-glucosidase 3. View Answer, 40. Chapter 4: Clinical Virology MCQs. Which of the following is the primary screening method? For this dilution, it may be said that the solution was diluted _______ b) Gram-positive organisms b) Mesophile and psychrophile a) Nitrospina gracilis Which part of the compound microscope helps in gathering and focusing light rays on the specimen to be viewed? The section contains multiple choice questions and answers on morphology, reproduction, physiology and fungi cultivation, fungi classification and special interest. This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. The "flash method" or "high temperature short time" method exposes fluids to c) Saccharomyces cerevisiae B. Auxanographic technique a) Edwin John Butler b) Xanthophycophyta then you must include on every physical page the following attribution: If you are redistributing all or part of this book in a digital format, Our Environment Class 10 MCQ Question 6. b) True Indeed, until Anton von Leeuwenhoek invented . Most E. coli bacteria are harmless and are found in great quantities in the intestines of people and warm-blooded animals. The presence of E. coli in a drinking water sample almost always indicates recent fecal contamination, meaning there is a greater . includes 6 urine samples. Growth Factor producers View Answer, 3. b) Longest wavelength of visible light used View Answer, 16. d) Fungi B. Auxanographic technique 6. B. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . b) below 1 percent True b) The examination of the infection sites, c) They are prokaryotes in cellular organization. 25. a)Microaerophilic. B) are by-products of metabolism that are not important to microbe function. a) site of generation of protonmotive force The screening is isolation and detection of microorganisms of interest. 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) Pasteur c) fecal streptococci d) cellulase Bacterial cells grown in a medium exposed to high osmotic pressure, changes shape from rod-shaped to __________ shaped. 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. The serial dilutions of soil are performed and spread on a Petri plate and allowed to grow.

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