screening of microorganisms includes mcq

(1) Its a process for the detection and isolation of microorganisms of our interest. b) coliforms c) magnetic fields 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) The organism must be able to grow in an easily available nutrient medium a) Bacillariophycophyta Answer: A Which of the following statement is correct regarding primary screening________. Universal aseptic techniques includes, Except a) Gown b) Mask c) Cough Etiquettes d) Hand washing answer-D 4. How to avoid the spreading of Microorganisms has been discussed. Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? Complex media are prepared using digests of microbial, animal, or . B) plasmolyzes bacteria and fungi. a) Lactobacillus a) Micrococci It is further followed by secondary screening, to check the capabilities and gain information about these organisms. Crowded plate technique The methods for isolation and screening are a crowded plate, auxanography, enrichment culture and use of indicator dyes. C. 1000-fold Microbiology MCQ (Multiple Choice Questions) - Sanfoundry What is high throughput screening used for? It gets its name from the Danish bacteriologist Hans Christian Gram who first introduced it in 1882, mainly to identify organisms causing pneumonia. Which of the following is the standard resource for identifying bacteria? Bacterial cells grown in a medium exposed to high osmotic pressure, changes shape from rod-shaped to __________ shaped. Which of the following method is not used in isolation and screening of desired microorganisms? Best method of sterilization at commercial level is a) Hot air oven b) Autoclaving c) Radiation d) Sun light answer-C 5. The Gram staining is one of the most crucial staining techniques in microbiology. A. View Answer. 3. c) Secondary treatment 2. The section contains multiple choice questions and answers on morphology, reproduction, physiology and fungi cultivation, fungi classification and special interest. Clarification: The Antibiotic producers show the zone of inhibition. a) fats A) True 5. Which of the following method is not used in isolation and screening of desired microorganisms? c) Streptococcus thermophilus C. Enrichment Culture technique a) Cephaleuros Which of the following microorganism has the cocci cell shapes and sizes arranged usually in tetrad structures? Screening of Microorganisms: Primary and Secondary Techniques Bacterial Vaginosis Test: MedlinePlus Medical Test are not subject to the Creative Commons license and may not be reproduced without the prior and express written Which of the following plate is used to detect and isolate organic acid producers? 5. View Answer, 30. Fermentation Technology Interview Questions and Answers - Sanfoundry b) 8.0 10.0 (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. A. Fecal occult blood B. Prokaryotes are very flexible metabolically, so they are able to adjust their feeding to the available natural resources. Answer: A Urinary tract infection was suspected, urine sample and swab specimen were taken and cultured on suitable agar media, a microscopic examination was performed. Answer: B d) Prototheca Note when energy and additional compounds are necessary for any of these mechanisms to operate. Secondary screening can give information about (1) The genetic instability in microbial cultures (2) Number of products produced in a single fermentation (3) The structure of the product (4) All of the above. Which one of the following organisms is least likely to cause this illness? D. Indicator dye technique. D) exposure. a) chemical compounds 4. The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. b) an increase in number of cells Which of the following foods is NOT made by fermentation? D. Indicator dye technique. Incorporation of CaCO3 in medium is also used to__________. 8. Categories: . Some of the frequently asked exam questions are as follows:-. Q. Bacterial endospores are more resistant to antimicrobial control methods than all other microbial forms. Defined media and complex media are two broad classes of culture media used in microbiology. Answer: 4. Which of the following is the primary screening method? View Answer, 34. Children are more susceptible to this disease. d) Nitrosovibrio tenuis Fermentation Technology Questions on Isolation and Screening of Industrially Important Microbes. Screens are made of long, closely spaced, narrow metal bars. 4. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? 6.8 - 7.2 b. Growth of bacteria or microorganisms refer to __________________ Home Fermentation Technology Objective Questions 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers. It should have a fast rate of kill of micro-organisms. The Microbiology Society has a vision and mission around which we base our strategy. View Answer, 12. 5. b) Nitrosococcus oceanus The bacterium Staphylococcus aureus is which type of bacteria? a) Crowded plate technique Answer: A d) Coliforms 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? MCQ.9):Which bacteria have flagella of amphitrichous type means the flagellum are present at both the sides? c) Desulfotomaculum sp. Which shape of bacteria has been shown in the following diagram?a) Rod-shapedb) Comma shapedc) Spiral shapedd) Spherical shapedAnswer: dClarification: The following diagram represents spherical shaped bacteria, magnified 1500X. b) hexokinase PDF Coliform Bacteria and Drinking Water - Washington State Department of b) 10-fold Wish you the best in your endeavor to learn and master Microbiology! b) Streak-plate 7. d) an increase in the mass of an individual organism b) Streptomyces olivaceus the virus must be able to cross-link red blood cells directly. Trophic level in an ecosystem represents. b) False C. MacConkeys Agar plate b) vitamins d) Pasteur It includes the physical processes of screening, comminution, grit removal, and sedimentation. E. coli is a sub-group of the fecal coliform group. c) Enrichment Culture technique determined to obtain accurate susceptibility results. b) Rabies Microorganisms are minute, unicellular organisms that aren't visible to the naked eye. b) Fungi View Answer, 15. All of the above. The following diagram shows an adenovirus: ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<, Your email address will not be published. Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include chipotle corporate phone number . What is Microbiology? Cryptococcosis is a disease of ________________ View Answer, 2. Who is known as the father of Microbiology? 3.0 4.6 Principles of Epidemiology: Lesson 5 Quiz|Self-Study Course SS1978|CDC Therefore, the exact composition of a defined medium is known. The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. D) all of the above. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. In modern plants the screens are cleaned . c) holozoic Besides macroscopic plants and animals, microbes are the major components of biological systems on this earth. 8.0 10.0 d) Hanging Drop technique c) Enrichment Culture technique Antibiotic producing microorganisms can be detected by the method__________, 5. c) Phenolphthalein Which among the following are microaerophilic bacteria? b) cellulose c) rod 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. A. 1. True. b) Potato Dextrose Agar plate The cell structure of gram positive and gram negative bacteria appear as the picture given below after the gram staining procedure, Gram positive bacteria Gram negative bacteria. 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. Several microbes are useful to humans in diverse ways like in household products, industrial products, agricultural products, etc. Which of the following metabolic characteristic is a distinguishing characteristic and identification of colonies of. 4. The organism must be able to produce a high yield of product You can also prevent infections through: Hand-washing. d) Coliform bacteria. Automatic Type Counter & Classifier c) fecal streptococci For this dilution, it may be said that the solution was diluted _______ Which of the following dye is colourless at acidic pH and becomes red at basic pH? a) Crowded plate technique B) False, Microbiology 17 immunization and immune Testi. Identification of bacteria by biochemical tests. Chapter 4: Clinical Virology MCQs. Primary treatment removes material that will either float or readily settle out by gravity. View Answer, 39. 6. View Answer, 9. The reason they are called microorganisms is that you can only see them when you use a microscope. A. D. Indicator dye technique. Which of the following method is useful for the isolation and detection of organisms having the ability to produce growth factors? D. American Type Classifier and Collection. Auxanography technique is employed for detecting microorganisms able to produce__________. This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'. b) Auxanographic technique 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. d) proteins View Answer, 22. A) are among the most widely used preservatives. 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. 9. 31) Name the bacteria of the Enterobacteriaceae family that have the following characteristics? a) changes in the total population d) 5 percent d) glucose residues 12. Which of the following method is not used in isolation and screening of desired microorganisms? Primary methods to prevent food spoilage do NOT include The science of using living systems to benefit humankind is called biotechnology.Technically speaking, the domestication of plants and animals through farming and breeding practices is a type of biotechnology. B. Auxanographic technique d) All of the mentioned D. Phenol red. Secondary screening may be qualitative and quantitative in its approach. B) using small scale containers to concentrate production. 1. 7. 5. (1) Microbial isolation technique is an attempt to grow microorganisms outside of their natural environment. c) Spirochetes Clarification: ATCC stands for American Type Culture Collection. Microbiology is the study of : 3. 6. c) Peritrichous b) The examination of the infection sites, c) They are prokaryotes in cellular organization. The section contains questions and answers on control fundamentals, physical agents, chemical agents characteristics, antimicrobial agents groups and antimicrobial chemical agents evaluation. Which of the following is a correct usage of binomial nomenclature? B) are by-products of metabolism that are not important to microbe function. Answer: A Which of the following are present in teichoic acids? Phagocytosis is a critical part of the immune system. Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? What is the name of the procedure performed under sterile conditions to eliminate B) heat. A BV test is done in a similar way as a pelvic exam or Pap smear. citation tool such as, Authors: Nina Parker, Mark Schneegurt, Anh-Hue Thi Tu, Philip Lister, Brian M. Forster. Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella pneumoniae. Some bacteria are capable of spore formation so they are highly heat resistant and some are capable of producing heat-resistant toxins. 3. Who was the first to observe "animalcules" under the microscope? 2. a) site of generation of protonmotive force The Society's role is to help unlock and harness . You will lie on your back on an exam table, with your feet in stirrups. a) Growth Factor producers c) Chlorella The section contains MCQs on selective methods, pure cultures and cultural characteristics. b) below 1 percent False. 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, 9. a) Final treatment c) 5 8 lack of cell wall. Crowded plate technique is used for screening of____________. Coliform Bacteria in Drinking Water - Washington State Department of Health a) glycerol residues The organic acid producers produce acid which changes the colour of media and is thus detected easily. Which of the following types of mutants can be isolated using the replica plate technique? b) Budding Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite. The section contains MCQs on phages structure and morphology, bacterial viruses replication, lysogeny and lytic. b) mycotic infection [2] The term for organisms that retain the . 44) Which of the following microorganisms can grow only as strict intracellular parasites? 1. Who proposed that swamps might harbor tiny, disease-causing animals too small to see?