View Answer, 44. D. 6.4 8.0. View Answer, 27. c. confining long hair and loose clothing . View Answer, 20. Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. b) 10-fold d) Study of microscope Chapter 4: Clinical Virology MCQs. d) Candida milleri 5. A 7 year old girl developed a sore throat and fever for 2 days. It is the organization which has the largest department of Research and Development. Viral hemagglutination assays only work with certain types of viruses because. d) Prototheca The respiratory chain of bacteria is associated with the _____________ Required fields are marked *. Incorporation of CaCO3 in medium is also used to__________. B. 13. a) 1mm in diameter View Answer, 23. 3. Potato Dextrose Agar plate c) Objective lens Gram negative bacteria take the color of safranin stain and appear pink or red. a) Crowded plate technique 4. B) using small scale containers to concentrate production. The 1st plate is used to isolate and detect prototrophs whereas 2nd plate is used for identification of auxotrophs. The section contains questions and answers on energy utilization in biosynthetic and nonbiosynthetic processes, transcription and translation of genetic information and protein synthesis process. Which one of the following organisms is least likely to cause this illness? Answer: C A. c) Mycobacterium tuberculosis Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . requires five blood samples . 4. Who was the first to observe animalcules under the microscope? B. Auxanographic technique b) light waves c) Desulfotomaculum sp. 5. b) Streptococcus lactis b) mycotic infection Therefore, the exact composition of a defined medium is known. a) Phenol red plate 10. d) saprophytic Which of the following enzyme removes the RNA primer with its 5-nuclease activity? You can also download the PDF of Microbiology MCQs by applying below. Home Fermentation Technology Objective Questions 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers. Which of the following foods is NOT made by fermentation? A. Prokaryotes are very flexible metabolically, so they are able to adjust their feeding to the available natural resources. Bacterial cells grown in a medium exposed to high osmotic pressure, changes shape from rod-shaped to __________ shaped. Some examples of Spherical shaped bacteria include Staph aureus, Staph epidermidis, Staph haemolyticus, Strep pyrogenes, etc. Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. 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. Besides macroscopic plants and animals, microbes are the major components of biological systems on this earth. It works best in this range and is also used as a tracking dye in Agarose-Gel Electrophoresis. A) fermentation, downstream processing, removal of waste, inoculation. a) viruses c) holozoic c) Gram-negative bacteria 10-fold c) base analog Contact Us. Sulphates are reduced to hydrogen sulphide by _____________________ 2. It is the zone where only the growth of a particular colony is observed whereas rest all colonies get degraded by antibiotics. The bacterial cell then elongates and splits into two daughter cells each with identical DNA to the parent cell. d) 2 micrometer in diameter 4. 3. Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? Definition: true bacteria; bacteria excluding the archaea. 1. c) An objective with minimum numerical aperture Answer: A A. Fecal occult blood B. 1. a) True View Answer, 13. C. Enrichment Culture technique b) Budding Rhizobium bacteria. In this process the bacterium, which is a single cell, divides into two identical daughter cells. A) are among the most widely used preservatives. What does a viral DNA becomes after being associated with the bacterial chromosome? These microorganisms have been often under-appreciated and under-studied. 30 seconds. c) Binary fission OpenStax is part of Rice University, which is a 501(c)(3) nonprofit. It will immensely help anyone trying to crack an exam or an interview. Lung infection was suspected, and a chest X-ray was performed which showed infection in both lungs. Answer: D The section contains questions and answers on control fundamentals, physical agents, chemical agents characteristics, antimicrobial agents groups and antimicrobial chemical agents evaluation. What is high throughput screening used for? lauren conrad and stephen colletti /; 2. 6. 3.0 4.6 a) Vibrio cholerae 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. Secondary metabolites b) Auxanographic technique A food chain comprising birds, green plants, fish and man. b) Clostridium botulinum 5. These extracellular enzymes break up the giant molecules of the substrate into smaller ones that can feed the microorganisms. Detrimental effects of microorganisms in food include, Fermentation of grains usually results in production of, During malting, barley and other grains are broken down by, Milk fermentation to produce cheese is done initially by inoculating with, Pickles and sauerkraut share a common inoculum, which is. Name three reserve materials synthesized by microorganisms and note which microbial groups Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. d) Pasteur Full-form of ATCC is _________ A) True 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. Primary screening of organic acids or amines producing organisms is done by__________, (2) Dye such as neutral red or bromothymol blue is used. A test tube contains 9ml distilled water. What is the approximate size of the bacterial cell? 1. Which of the following method is used for the isolation of mutants? c) Cyanobacteria View Answer, 40. Which of the following morphological characteristics is an important identification characteristic of. A. View Answer, 11. 6.8 - 7.2 b. Defined media and complex media are two broad classes of culture media used in microbiology. How do you isolate microorganisms in the air? d) Primary treatment Engineering 2023 , FAQs Interview Questions. A routine GTT: is three hours long. A 24 year old sexually active woman had an infection in the vaginal area with genital discharge while urinating. View Answer, 33. 4. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? What is the name of the procedure performed under sterile conditions to eliminate Clarification: The use of Indicator Dye Technique is used for detection and isolation of the organisms which are organic acid producers. b) Rhodospirillum b) True Which of the following is used in electron microscope? Which among the following are Spirochetes? 3. Who was the first to observe "animalcules" under the microscope? A. 5. b) Streptomyces olivaceus is affected by the patient's food intake on the day of testing. c) Robert Koch View Answer. Which of the following is NOT a domain in Woese and Foxs phylogenetic tree? It is used to reduce the dense culture of cells to usable concentration. 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) Spirochaeta c) The optimum temperature for the growth of an organism must be above 50C Bacteria or other organisms used in AST testing should be from a fresh culture, ii) the composition and preparation of the agar and broth media used (e.g. B. Auxanographic technique Except where otherwise noted, textbooks on this site How do you isolate microorganisms from the soil? Indeed, until Anton von Leeuwenhoek invented . a) Edwin John Butler B) False, When in doubt, throw it out. The section contains multiple choice questions and answers on bioenergetics principles, energy production by photosynthesis, anaerobic and aerobic processes. a) Condenser lens The Microbiology Society has a vision and mission around which we base our strategy. 7. 8. This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. chipotle corporate phone number . You will lie on your back on an exam table, with your feet in stirrups. a) Bacillariophycophyta d) DNA polymerase II The colour of plate changes from red to yellow in the zone of organisms producing organic acid. 5. Answer: A Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? C) inoculation, fermentation, downstream processing, removal of waste. C. Enrichment Culture technique citation tool such as, Authors: Nina Parker, Mark Schneegurt, Anh-Hue Thi Tu, Philip Lister, Brian M. Forster. View Answer, 2. a) Thiobacillus thiooxidans Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. Complex media are prepared using digests of microbial, animal, or . As primary screening allows the detection and isolation of microorganisms which posses, potentially interesting industrial applications. 5. A skin biopsy test was performed and the infection was diagnosed to be a parasitic infection. The section contains questions and answers on light microscope, microbial Stains, transmission and scanning electron microscope. a) Crowded plate technique Clarification: The Antibiotic producers show the zone of inhibition. 10. You can also prevent infections through: Hand-washing. Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. True Mycoplasma pneumoniae is an unusual bacteria with distinctive colonies which are. 12. Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single circular chromosome. B) sulfites. 2. d) Antoni van Leeuwenhoek Acridine orange is which type of mutagen? (3) It provides information on whether the product formed by microorganisms is new or not. consent of Rice University. d) Hanging Drop technique Clean and disinfect surfaces that are touched often. A) True 11. D. Indicator dye technique. View Answer, 28. c) Streptococci. c) Study of organisms that are not visible to naked eyes d) All of the mentioned The reason they are called microorganisms is that you can only see them when you use a microscope. All of the above. View Answer, 26. c) Enrichment Culture technique a) The organism must be genetically stable a) Methyl red 5. D. Indicator dye technique. A. American Type Culture Collection 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. screening of microorganisms includes mcq; screening of microorganisms includes mcq. Here are 1000 MCQs on Microbiology (Chapterwise). As an Amazon Associate we earn from qualifying purchases. It is important to find and resolve the source of the contamination. Clarification: The Auxanographic technique is used for the detection and isolation of the organisms which are growth factor producers. The greatest resolution in light microscopy can be obtained with ___________ C. American Type Counter Collection Answer: C D. Rose Bengal Agar plate. Antibiotic producing microorganisms can be detected by the method__________, 5. C. Organic acid producers The section contains questions and answers on sanitary quality of water, wastewater, treatment processes, fresh foods microbial flora, food preservation and microorganisms. View Answer. a) Cephaleuros Screens are made of long, closely spaced, narrow metal bars. Study with Quizlet and memorize flashcards containing terms like Which of the following is true about the trichomonas vaginalis? (1) Screen organic acid-producing microbes. A) True B. 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. It is a non-profit organization and a key resource for medical research. Answer: D C) is used to prevent growth of halophiles. d) Corynebacterium diphtheriae 11. View Answer, 9. 3. Which of the following is the primary screening method? magic island poem tone Consult Now 16) A bacteriological stain also known as the differential stain is used for the identification of acid-fast organisms, Which of the following metabolic property differentiate the pink-colored colonies of. a) above 1 percent 9. 26. B. Thymol blue Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. MCQ.9):Which bacteria have flagella of amphitrichous type means the flagellum are present at both the sides? Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? Answer: B b. 2. Defined media are prepared by adding precise amounts of highly purified inorganic or organic chemicals to distilled water. C) maintain a high osmotic pressure to kill microorganisms. A microorganism is a living thing that is too small to be seen with the naked eye. View Answer, 3. Chemical preservatives do NOT include Blood C. Electrolytes D. Water: 5. . A) substrates are added to the system all at once and runs until product is harvested. (Or show it to your microbiology professor, just for fun.) 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. 9. Clarification: Hanging drop technique is used for motility testing of bacteria. 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. 5. View Answer, 21. a. True c. Let the soil particles settle after shaking and then transfer 1ml of the solution into tube 2. Which of the following microorganism produces dextran? In an ecosystem, herbivores represent. Which of the following yeast can be used to produce microbial protein? The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against. It doesn't include viruses and prions because they are classified as non-living. It changes from yellow at pH 3.0 to blue-violet at pH 4.6. A 19-year-old male living in a tropical region of India visited the hospital. Which organisms show the zone of inhibition grown on a Petri plate? This quiz is designed to help you assess how well you have learned the content of this lesson. A) production of alcoholic beverages by microorganisms. D) 134 oC for 1 second. membranes of microorganisms. D. American Type Classifier and Collection. View Answer, 16. b) Study of animals and their family b) an increase in number of cells Our members have a unique depth and breadth of knowledge about the discipline. c) carbohydrates Crowded plate technique is used for screening of____________. 6. Now that you have read Lesson 5 and have completed the exercises, you should be ready to take the self-assessment quiz. If you are redistributing all or part of this book in a print format, In which of the following treatment involve oxidation of organic constituents of the wastewater? 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. b) Acanthopeltis 4. Which of the following inhibits DNA replication? d) gene d) Bacillus polymyxa The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme Phosphorus is essential component of __________ d. using damaged equipment and glassware. The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. B) nutrients are continuously fed into the reactor and the product is siphoned off during the run. Question 6. To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. Protozoa that eat other organisms are known as _______________ 4. microscopic with a fried egg shape. Answer: B (1) Microbial isolation technique is an attempt to grow microorganisms outside of their natural environment. 1999-2023, Rice University. c) Chlorella b) below 1 percent d) Indicator dye technique The objective of this study was to isolate, identify, and screen the potential antimicrobial-producing . Enrichment culture technique was developed by_________, 16. Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? b) gamma rays Fermentation Technology Questions on Isolation and Screening of Industrially Important Microbes. 6. d) Thermophile (2) Chemical, physical and biological properties of a product are also determined during secondary screening. Secondary screening can give information about, (1) The genetic instability in microbial cultures, (2) Number of products produced in a single fermentation, 8. b) Longest wavelength of visible light used Which among the following is a pathogenic algae for humans? Which among the following are microaerophilic bacteria? Which of the following are produced by microorganisms? Crowded plate technique View Answer, 12. 6. Which of the following is a prokaryotic microorganism? It should be active and stable and environmentally safe. 10. Which of the following method is not used in isolation and screening of desired microorganisms? Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. 11. It is colourless at pH 8.0 and becomes red at pH above 10.0. d) Phenol red Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. B. Automatic Type Counter & Classifier View Answer, 29. The organic acid producers produce acid which changes the colour of media and is thus detected easily. Chapter 2: Classification of Medically important Bacteria MCQs. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . Microbial enzyme production concentrates on simple hydrolytic enzymes (proteases, amylases, pectinases) that degrade natural polymers such as proteins, starches, or pectin. A. The section contains multiple choice questions and answers on microorganisms characteristics and microbial classification. What are the methods of isolating the pure culture of microorganisms? A) are essential to microbe function. a) parasitic The section contains questions and answers on biological and economic importance of algae, algae characteristics and classification, ecology and protozoa importance, protozoa characteristics, protozoa morphology and reproduction. 12. A) heat below 100 oC. A. Everything you need to know about water and wastewater microbiology. Cellulose is degraded to cellobiose by the enzyme __________________ Staphylococcus aureus is a major bacterial human pathogen that causes a wide variety of clinical manifestations. Clarification: The question mark in the following figure represents flagella of a rod-shaped bacterium. 8. b) The organism must be able to produce a high yield of product All Rights Reserved. A) retards growth of Staphylococcus aureus. c) Streptococcus thermophilus a) Eremothecium ashbyi 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. View Answer, 11. Which among the following is not an ammonia-oxidizing bacteria? c) Crick 100-fold Microbiology is the study of living organisms that are not visible to the naked eyes. a) Crowded plate technique B) False, Mass-produced microbial cells can be used as livestock feed. View Answer, 8. What is the fecal test that requires a 3-day specimen? 2. Who is considered the "father of Western medicine"? During the test, You will take off your clothes below your waist. True. Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? Microorganisms are minute, unicellular organisms that aren't visible to the naked eye. a) Regeneration 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. 45) What are the types of general characteristics that are important for the identification and classification of protozoa? 8. a) Crowded plate technique 7. Juli 2022 E. coli is a sub-group of the fecal coliform group. a) plasmid Often overlooked, hand-washing is one of the easiest and most effective ways to protect yourself from germs and most infections. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. Clarification: The prototrophs are the organisms which are capable of synthesizing all the growth requirements by themselves whereas auxotroph is dependent on prototrophs. Aims and objectives. Which of the following statements about food chain and energy . chp 25 microbiology 211 mcq. 2. c) hydrophobic barrier A. includes 6 urine samples. screening of microorganisms includes mcqwarning signs for a deteriorating patient with covid 19 infection 2022.07.03 18:36 18:36 Note when energy and additional compounds are necessary for any of these mechanisms to operate. c) cytoplasm View Answer, 7. Which of the following statements is correct regarding secondary screening________. View Answer, 31. The section contains MCQs on microorganisms, industry, industrial uses of bacteria, molds and yeasts, genotypic changes, bacterial recombination and conjugation, bacterial transduction and transformation. Which of the following statement is correct regarding primary screening________. The following diagram shows an adenovirus: ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<, Your email address will not be published. d) All of the mentioned B) inoculation, downstream processing, fermentation, removal of waste. View Answer, 42. screening of microorganisms includes mcq. 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. Home Class 12 Biology Objective Questions 250+ TOP MCQs on Microbes and Answers. Which of the following method can be used to determine the number of bacteria quantitatively? 1215, 1216 137, 1217 Particles in a biological aerosol usually vary in size from <1 m to 50 m. a) American Type Culture Collection A BV test is done in a similar way as a pelvic exam or Pap smear. A test tube contains 9ml distilled water. Fecal coliform bacteria are a subgroup of total coliform bacteria. c) fecal streptococci Microbes are certainly ideal for biotechnology. 25. a)Microaerophilic. uses 100 grams of glucose in a 300ml solution. a) Study of molecules that are visible to human eyes Crowded plate technique Pathogen testing is continuously performed throughout the production . Screening - It refers to the isolation of only those microorganisms which are of interest from among a large population of microbes. b) Auxanographic technique uses 50 grams of glucose in a 500ml solution. View Answer, 50. a) Growth Factor producers Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . d) Lactobacillus acidophilus View Answer, 15. Which of the following plate is used to detect and isolate organic acid producers? 2. C) new batches of microorganisms are screened for increased yield. Mycoplasma pneumoniae is an unusual bacteria which has distinctive characteristics, such as. b) Monotrichous d) cathode rays Done in one or few steps. d) Photosynthetic sulfur bacteria 15. Sugar fermentation test: Bacteria is grown in a sugar media. A. ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<. The section contains questions and answers on cell division modes, bacteria growth cycle and quantitative measurement.
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