screening of microorganisms includes mcq

Microbes can live in highly acidic as well as an alkaline medium. Which of the following enzyme removes the RNA primer with its 5-nuclease activity? The section contains multiple choice questions and answers on bioenergetics principles, energy production by photosynthesis, anaerobic and aerobic processes. How do you isolate microorganisms in the air? Which of the following microorganism produces dextran? a) site of generation of protonmotive force 15. b) Fermented dairy products c) MacConkeys Agar plate c) Mycobacterium tuberculosis c) Robert Koch B) False, When in doubt, throw it out. 10-fold View Answer, 48. Your health care provider will insert a special tool called a speculum into your vagina. 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. Which of the following is a correct usage of binomial nomenclature? Crowded plate technique To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. Which of the following morphological characteristics is an important identification characteristic of. Which is the secondary stage? Home Fermentation Technology Objective Questions 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers. Wash your hands with soap and water for at least 20 seconds. (4) This may be accomplished by paper, thin layer, chromatographic technique. What is the pH range of Bromophenol blue? B) nutrients are continuously fed into the reactor and the product is siphoned off during the run. Clarification: Phenolphthalein has a pH range between 8.0 10.0. View Answer, 35. b) Magnifying lens milk, meat, green vegetables, fruits, etc.) The microorganisms from lakes and rivers can grow at a salt concentration of _________ a) The organism must be genetically stable d) bacterial infection a) S mallpox View Answer, 4. a) Alcoholic beverages 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. B) heat. b) Streptococcus lactis 13. View Answer, 7. Which of the following method is not used in isolation and screening of desired microorganisms? B. d) cellulase It should be active and stable and environmentally safe. The section contains multiple choice questions and answers on nutritional requirements, bacteriological media and physical conditions growth. d) Multiple fission What is the pH range of Bromophenol blue? The screening is isolation and detection of microorganisms of interest. A 70 year old male visited a clinic with chronic cough, chest pain, fever, chills, and weakness. The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<. c) nucleotides (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. d) Bacillus polymyxa 1g of soil is added to that test tube and the soil is allowed to settle down. a) x-rays The section contains MCQs on chemotherapy historical highlights, antibiotics and their actions, microbiological assay of antibiotics, antifungal, antiviral and antitumour antibiotics. (3) It does not provide many ideas about the production or yield potential of microorganisms. 2. B) inoculation, downstream processing, fermentation, removal of waste. Which of the following yeast can be used to produce microbial protein? a) True 38) All of the following statements are correct about the most common bacteriological media called sheep blood agar that is used in the microbiology laboratory, b) Used for the culture of common fastidious bacteria, c) It is used for the culture of hemolytic bacteria. a) 1mm in diameter a) American Type Culture Collection (1) Microbial isolation technique is an attempt to grow microorganisms outside of their natural environment. a) Cephaleuros It changes from yellow at pH 3.0 to blue-violet at pH 4.6. Good work practices include, a. smelling and tasting chemicals . Several microbes are useful to humans in diverse ways like in household products, industrial products, agricultural products, etc. d) Amino acid producers Engineering 2023 , FAQs Interview Questions. 3. Answer: A c) base analog The serial dilutions of soil are performed and spread on a Petri plate and allowed to grow. Crowded plate technique B. a) chemical compounds B) False, Yeast cells prefer aerobic conditions to multiply in number. c) Chlorophycophyta This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. 6. The bacterial cell then elongates and splits into two daughter cells each with identical DNA to the parent cell. D. Indicator dye technique. b) Auxanographic technique 13. 10. 4. a) Shortest wavelength of visible light used b) cellulose Microbiology Question Bank PDF book covers problem solving exam tests from microbiology textbook and practical book's chapters as: Chapter 1: Basic Mycology MCQs. c. Let the soil particles settle after shaking and then transfer 1ml of the solution into tube 2. View Answer, 24. Screens are made of long, closely spaced, narrow metal bars. c) Enrichment Culture technique A sputum sample was taken for the lab diagnosis for the isolation and identification of the microorganism. You can also prevent infections through: Hand-washing. A skin biopsy test was performed and the infection was diagnosed to be a parasitic infection. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . Which of the following are present in teichoic acids? You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. It is done by using paper, thin layer or other chromatographic techniques. The section contains multiple choice questions and answers on soil microorganisms interactions, nitrogen, carbon and sulphur cycles, aquatic environment, aquatic microorganisms techniques and productivity. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . Which of the following plate is used to detect and isolate organic acid producers? d) Coxiella burnetii d) Phaeophycophyta ticks and fleas. Answer: A 8. 3.0 4.6 c) carbohydrates A) True 4. A. MCQ on Our Environment Question 9. a. 6. b) gamma rays a) Rod-shaped b) Comma shaped c) Spiral shaped d) Spherical shaped Answer: a Clarification: The following diagram represents rod-shaped bacteria, magnified 1500X. Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. 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) Coliforms The objective of this study was to isolate, identify, and screen the potential antimicrobial-producing . It should not leave damage and odour. View Answer, 46. b) RNA polymerase a) phospholipids In an ecosystem, herbivores represent. Answer: A d) Cristispira Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. B) plasmolyzes bacteria and fungi. d) Pour plate d) Pedoviridae Trophic level in an ecosystem represents. a) Leuconostoc citrovorum A) True 3. A) fermentation, downstream processing, removal of waste, inoculation. 1. 5. You will lie on your back on an exam table, with your feet in stirrups. It is done by using paper, thin layer or other chromatographic techniques. A) manipulating the growth environment. 3. Who was the first to observe "animalcules" under the microscope? 9. 9. A) True Besides macroscopic plants and animals, microbes are the major components of biological systems on this earth. All Rights Reserved. B. Auxanographic technique Which of the following foods is NOT made by fermentation? 26. C. MacConkeys Agar plate Sulphates are reduced to hydrogen sulphide by _____________________ Chrysolaminarin is the reserved food of ___________________ d) Thermophile Tyrocidines are more effective against ___________________ The section contains questions and answers on diseases caused by staphylococcus, streptococcus, corynebacterium, aerobic and anaerobic gram, viruses containing single and double stranded dna. b. Full-form of ATCC is _________. d) Coliform bacteria. Prokaryotes are very flexible metabolically, so they are able to adjust their feeding to the available natural resources. Clarification: Phenol Red plate is used to detect and isolate organic acid producers. Potato Dextrose Agar plate Cryptococcosis is a disease of ________________ 14. b) Automatic Type Counter & Classifier Which of the following bacteria is an endospore-forming bacteria that is also a common foodborne pathogen? This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. Which part of the compound microscope helps in gathering and focusing light rays on the specimen to be viewed? Protozoa that eat other organisms are known as _______________ a) Treponema d) Indicator dye technique c) Saccharomyces cerevisiae a) Crowded plate technique Which of the following is used in electron microscope? 1215, 1216 137, 1217 Particles in a biological aerosol usually vary in size from <1 m to 50 m. D. American Type Classifier and Collection. c) Chlorella Question 6. View Answer, 14. b) Killing pathogenic microorganisms c) Killing spores d) None of these answer-A 3. Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . Crowded plate technique Wish you the best in your endeavor to learn and master Microbiology! D) small-scale production is used to synthesize product. The organism must be genetically stable a) Chemical and biological assay uses 50 grams of glucose in a 500ml solution. Mycoplasma pneumoniae is an unusual bacteria with distinctive colonies which are. The section contains multiple choice questions and answers on normal flora, human host, normal flora distribution, microbial adherence, epithelial cell layers penetration and microbial virulence factors. MCQ.9):Which bacteria have flagella of amphitrichous type means the flagellum are present at both the sides? Thank you so much for sharing. c) American Type Counter Collection c) Enrichment Culture technique View Answer, 11. View Answer. A. d. using damaged equipment and glassware. The process is repeated several times until the requirement is met. c) An objective with minimum numerical aperture View Answer, 31. 6. b) Syphilis B. Chapter 4: Clinical Virology MCQs. Which of the following foods is NOT made by fermentation? b) The examination of the infection sites, c) They are prokaryotes in cellular organization. 3. c) Bacillus thuringiensis Clarification: The use of Indicator Dye Technique is used for detection and isolation of the organisms which are organic acid producers. b) False Chapter 2: Classification of Medically important Bacteria MCQs. 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. Which microorganism(s) among the following perform photosynthesis by utilizing light? 4. During the test, You will take off your clothes below your waist. Phagocytosis is a critical part of the immune system. What is the name of the procedure performed under sterile conditions to eliminate 8. 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. a) DNA polymerase III b) Microbacteria False. This is one of the widely used methods and more important. Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? b) Jenner d) All of the mentioned B) False, Pasteurization is used to sterilize milk. Which of the following statement is correct regarding primary screening________. (1) Its a process for the detection and isolation of microorganisms of our interest. The principal microorganism for yogurt is ______________________ a) Crowded plate technique c) fecal streptococci Multiple Choice. All of the above. During their metabolism, microbes produce chemicals, some of which are used by human beings. 14. B. Thymol blue c) The optimum temperature for the growth of an organism must be above 50C a) cellulose dehydrogenase b) True In which of the following treatment involve oxidation of organic constituents of the wastewater? 3. 1999-2023, Rice University. magic island poem tone Consult Now Which among the following is not an ammonia-oxidizing bacteria? Secondary screening may be qualitative and quantitative in its approach. Except where otherwise noted, textbooks on this site A) True c) rod shaped If you would like to learn "Microbiology" thoroughly, you should attempt to work on the complete set of 1000+ MCQs - multiple choice questions and answers mentioned above. b) Nitrosococcus oceanus Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella pneumoniae. 13. d) an increase in the mass of an individual organism c) magnetic fields b) Thymol blue These are non-enveloped viruses with a double-stranded DNA genome. Ans: The steps adopted in a typical sewage treatment plant are as given below: ADVERTISEMENTS: c) Microviridae 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. b) Corticoviridae Aims and objectives. d) American Type Classifier and Collection You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme The common symptoms are pink or red spots on the skin surface, dry cough, and runny nose. Avoid contaminated food and water. a) Leuconostoc mesenteroides Microbiology MCQ. Which one of the following organisms is least likely to cause this illness? Answer: A This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'. a) anaerobic cells c) The optimum temperature for the growth of an organism must be above 50C. Definition: true bacteria; bacteria excluding the archaea. 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, 28. a) Styloviridae 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. C. 1000-fold 5. View Answer, 23. 1. C) alcohol. Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite. Answer: C C) are products that require additional processing before they can be packaged. View Answer, 47. Microscopic examination and culture of the sputum sample revealed gram-positive cocci that appear in chains. 10. True. Clarification: ATCC stands for American Type Culture Collection. This book uses the View Answer, 11. OpenStax is part of Rice University, which is a 501(c)(3) nonprofit. Which of the following method proceeds with 2-plate preparation? includes 6 urine samples. 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, Butanol is obtained by fermenting molasses by. D) are harvested during the exponential phase of growth. Through primary screening only few or many microorganism that produce a industrially . Easy detection of the small percentage of useful microorganism. Which of the following metabolic characteristic is a distinguishing characteristic and identification of colonies of. Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? D. Indicator dye technique. uses 100 grams of glucose in a 300ml solution. Microbiology is the study of living organisms that are not visible to the naked eyes. c) 2mm in diameter 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. Report an issue. You can also download the PDF of Microbiology MCQs by applying below. b) mutualistic True membranes of microorganisms. 4. are not subject to the Creative Commons license and may not be reproduced without the prior and express written It includes the physical processes of screening, comminution, grit removal, and sedimentation. In modern plants the screens are cleaned . Which of the following method is not used in isolation and screening of desired microorganisms? Which among the following are Spirochetes? a) Final treatment View Answer, 18. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. Actinomycetes are Gram-positive, facultative anaerobic fungus-like filamentous bacteria which remain on the top of the natural antibiotic producers. View Answer, 14. b) an increase in number of cells A) True Growth of bacteria or microorganisms refer to __________________ Sulphur can be utilized by bacteria in the a. 4. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? c) Enrichment Culture technique The section contains questions and answers on light microscope, microbial Stains, transmission and scanning electron microscope. c) Pour-plate and spread plate Our mission is to improve educational access and learning for everyone. The section contains questions and answers on sanitary quality of water, wastewater, treatment processes, fresh foods microbial flora, food preservation and microorganisms. D. 6.4 8.0. Crowded plate technique is used for screening of____________. The section contains MCQs on diseases caused by fungi and protozoa, therapeutic drugs for fungal treatment and protozoan diseases. Secondary metabolites (Or show it to your microbiology professor, just for fun.) Microorganisms are minute, unicellular organisms that aren't visible to the naked eye. Screening includes primary screening and secondary screening. d) 6.4 8.0 Has three to five flagella at the posterior end B. View Answer, 10. b) Auxanographic technique View Answer, 19. 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. MCQ Questions for Class 8 Science: Ch 2 Microorganisms: Friend and Foe. Answer: C Self-Assessment Quiz. The screening is isolation and detection of microorganisms of interest. Which of the following is a type of fungal microorganism? chp 25 microbiology 211 mcq. b) 0.5 to 1.0 micrometer in diameter 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? Vaccination was invented by ____________ Name three reserve materials synthesized by microorganisms and note which microbial groups Which shape of bacteria has been represented in the following diagram?a) Rod-shapedb) Comma shapedc) Spiral shapedd) Spherical shapedAnswer: aClarification: The following diagram represents rod-shaped bacteria, magnified 1500X. d) Mycoplasmas C. Enrichment Culture technique D. Indicator dye technique. Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? What is the fecal test that requires a 3-day specimen? B. 8.0 10.0 B) 62.3oC for 30 minutes. Universal aseptic techniques includes, Except a) Gown b) Mask c) Cough Etiquettes d) Hand washing answer-D 4. a) Gram-negative organisms 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) The organism must be genetically stable. A. View Answer, 22. a) Lactobacillus Which of the following statements is correct regarding secondary screening________. 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. Which of the following is a prokaryotic microorganism? Measles is a disease caused by a virus, it is spread via respiratory droplets. View Answer, 15. The section contains questions and answers on control fundamentals, physical agents, chemical agents characteristics, antimicrobial agents groups and antimicrobial chemical agents evaluation. a) Cyanobacteria, Fungi and Viruses 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. View Answer, 9. 11. d) saprophytic Prokaryotes can be found everywhere on our planet, even in the most extreme environments. 30 seconds. A. American Type Culture Collection Antibiotic producers d) electron beams c) Nitrosomonas europaea First link in any food chain is usually green plants because. c) AIDS In this process the bacterium, which is a single cell, divides into two identical daughter cells. d) DNA polymerase II Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. Complex media are prepared using digests of microbial, animal, or . a) True c) 2.5 to 4 percent (2) Chemical, physical and biological properties of a product are also determined during secondary screening. Types of pathogens include specific bacteria strains, viruses, fungi, or parasites that can cause illness in its host. Children are more susceptible to this disease. It is colourless at pH 8.0 and becomes red at pH above 10.0. Which of the following method is not used in isolation and screening of desired microorganisms? C) maintain a high osmotic pressure to kill microorganisms. View Answer, 5. View Answer, 39. 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. True. View Answer, 6. View Answer, 30. A. Fecal occult blood B. 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. Which of the following is the example of encapsulated gram-positive bacteria? Which isolation technique is most commonly used for colony isolation in the laboratory? It should have a fast rate of kill of micro-organisms. Microbes are certainly ideal for biotechnology. Which of the following is the source of Vitamin A. A 24 year old sexually active woman had an infection in the vaginal area with genital discharge while urinating. b) Acanthopeltis d) Indicator dye technique 15. View Answer, 21. d) 2-fold d) Eyepiece lens 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. Symptoms include cough and lung infection. 3. 8. 7. b) ribitol residues b) Auxanographic technique View Answer, 49. 4. (3) It provides information on whether the product formed by microorganisms is new or not. Who is considered the father of Western medicine? Mycoplasma pneumoniae is an unusual bacteria which has distinctive characteristics, such as. It is further followed by secondary screening, to check the capabilities and gain information about these organisms. D. Indicator dye technique. Crowded plate technique 7. a) cytoplasmic membrane d) proteins a) Vibrio cholerae b) cell wall Cystic fibrosis is an inherited disease, infection in the lungs and digestive system. Which of the following is the primary screening method? The methods for isolation and screening are a crowded plate, auxanography, enrichment culture and use of indicator dyes. 11 junio, 2022. requires five blood samples . Salting, as a preservative, You will get a gown or sheet as a cover. 7. D. The organism must be able to grow in an easily available nutrient medium. Which of the following is NOT a criterion for the choice of an organism?

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