a) Bacillariophycophyta OpenStax is part of Rice University, which is a 501(c)(3) nonprofit. c) chitin 1g of soil is added to that test tube and the soil is allowed to settle down. c) DNA polymerase I The Microbiology Society has a vision and mission around which we base our strategy. View Answer, 46. All of the above. A. d) Pasteur The section contains MCQs on selective methods, pure cultures and cultural characteristics. Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . a) phospholipids C. Enrichment Culture technique Sulphates are reduced to hydrogen sulphide by _____________________ b) Thymol blue a) 100-fold You may refer to the lesson text whenever you are unsure of the answer. What does a viral DNA becomes after being associated with the bacterial chromosome? View Answer, 37. View Answer, 11. It is further followed by secondary screening, to check the capabilities and gain information about these organisms. a) Spread-plate 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. Secondary screening helps in detecting really useful microorganisms in fermentation processes, which includes The microbes play a major role in nutrient cycling, decomposition, food spoilage, control and cause of diseases and biotechnology. Crowded plate technique is used for screening of____________. First link in any food chain is usually green plants because. b) Magnifying lens Primary screening of organic acids or amines producing organisms is done by__________, (2) Dye such as neutral red or bromothymol blue is used. The colour of plate changes from red to yellow in the zone of organisms producing organic acid. It should have a fast rate of kill of micro-organisms. 7. a) Styloviridae Which of the following method can be used to determine the number of bacteria quantitatively? b) The organism must be able to produce a high yield of product B) False, Pasteurization is used to sterilize milk. c) Saccharomyces cerevisiae The "flash method" or "high temperature short time" method exposes fluids to Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? a) cytoplasmic membrane b) Acanthopeltis All the microorganisms such as amoeba, protozoa, viruses, bacteria are studied under microbiology. C) new batches of microorganisms are screened for increased yield. b) False D. American Type Classifier and Collection. c) hydrophobic barrier Good work practices include, a. smelling and tasting chemicals . Clarification: Phenolphthalein has a pH range between 8.0 10.0. View Answer, 38. Which of the following is the standard resource for identifying bacteria? c) prophage The section contains multiple choice questions and answers on soil microorganisms interactions, nitrogen, carbon and sulphur cycles, aquatic environment, aquatic microorganisms techniques and productivity. This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. Answer: 4. Genetic engineering is also used to improve the biodegradation . Our Environment Class 10 MCQ Question 6. a) Eremothecium ashbyi A) True d) Primary treatment are licensed under a, Unique Characteristics of Prokaryotic Cells, Unique Characteristics of Eukaryotic Cells, Prokaryote Habitats, Relationships, and Microbiomes, Nonproteobacteria Gram-Negative Bacteria and Phototrophic Bacteria, Isolation, Culture, and Identification of Viruses, Using Biochemistry to Identify Microorganisms, Other Environmental Conditions that Affect Growth, Using Microbiology to Discover the Secrets of Life, Structure and Function of Cellular Genomes, How Asexual Prokaryotes Achieve Genetic Diversity, Modern Applications of Microbial Genetics, Microbes and the Tools of Genetic Engineering, Visualizing and Characterizing DNA, RNA, and Protein, Whole Genome Methods and Pharmaceutical Applications of Genetic Engineering, Using Physical Methods to Control Microorganisms, Using Chemicals to Control Microorganisms, Testing the Effectiveness of Antiseptics and Disinfectants, History of Chemotherapy and Antimicrobial Discovery, Fundamentals of Antimicrobial Chemotherapy, Testing the Effectiveness of Antimicrobials, Current Strategies for Antimicrobial Discovery, Virulence Factors of Bacterial and Viral Pathogens, Virulence Factors of Eukaryotic Pathogens, Major Histocompatibility Complexes and Antigen-Presenting Cells, Laboratory Analysis of the Immune Response, Polyclonal and Monoclonal Antibody Production, Anatomy and Normal Microbiota of the Skin and Eyes, Bacterial Infections of the Skin and Eyes, Protozoan and Helminthic Infections of the Skin and Eyes, Anatomy and Normal Microbiota of the Respiratory Tract, Bacterial Infections of the Respiratory Tract, Viral Infections of the Respiratory Tract, Anatomy and Normal Microbiota of the Urogenital Tract, Bacterial Infections of the Urinary System, Bacterial Infections of the Reproductive System, Viral Infections of the Reproductive System, Fungal Infections of the Reproductive System, Protozoan Infections of the Urogenital System, Anatomy and Normal Microbiota of the Digestive System, Microbial Diseases of the Mouth and Oral Cavity, Bacterial Infections of the Gastrointestinal Tract, Viral Infections of the Gastrointestinal Tract, Protozoan Infections of the Gastrointestinal Tract, Helminthic Infections of the Gastrointestinal Tract, Circulatory and Lymphatic System Infections, Anatomy of the Circulatory and Lymphatic Systems, Bacterial Infections of the Circulatory and Lymphatic Systems, Viral Infections of the Circulatory and Lymphatic Systems, Parasitic Infections of the Circulatory and Lymphatic Systems, Fungal and Parasitic Diseases of the Nervous System, Fundamentals of Physics and Chemistry Important to Microbiology, Taxonomy of Clinically Relevant Microorganisms, https://openstax.org/books/microbiology/pages/1-introduction, https://openstax.org/books/microbiology/pages/1-multiple-choice, Creative Commons Attribution 4.0 International License. A. American Type Culture Collection A 24 year old sexually active woman had an infection in the vaginal area with genital discharge while urinating. Which one of the following organisms is least likely to cause this illness? Includes common viruses, bacteria, and parasites 1,2: Stool sample: Sensitive, certain positive results may be unrelated to active infection. View Answer, 15. 2. 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. b) Xanthophycophyta a) 3.0 4.6 A. microscopic with a fried egg shape. Label these plates 1/10 3 through 1/10 6. 3. B. Urinary tract infection was suspected, urine sample and swab specimen were taken and cultured on suitable agar media, a microscopic examination was performed. d) Pour plate View Answer, 23. 30 seconds. 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. 1999-2023, Rice University. They are mainly of two types: Primary and Secondary Screening Primary Screening : The effective screening must in one or few steps which allow the discarding of many valueless microorganisms, while at the . 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. 25. a)Microaerophilic. D. The organism must be able to grow in an easily available nutrient medium. Done in one or few steps. B) are by-products of metabolism that are not important to microbe function. A. 4. 13. c) Enrichment Culture technique a) Small pox Microbiology is the study of living organisms that are not visible to the naked eyes. In batch fermentation, Answer: B (2) Chemical, physical and biological properties of a product are also determined during secondary screening. A. c) Mumps Microbes like bacteria and many fungi can be grown on nutritive media to form colonies, that can be seen with naked eyes. Blood C. Electrolytes D. Water: 5. coliform bacteria in drinking water, the source is probably environmental and fecal contamination is unlikely. A. Which of the following are present in teichoic acids? 10. 45) What are the types of general characteristics that are important for the identification and classification of protozoa? 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. 11. It is a non-profit organization and a key resource for medical research. 6. 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) Rabies Some of the frequently asked exam questions are as follows:-. View Answer, 40. Name three reserve materials synthesized by microorganisms and note which microbial groups d) both aerobic and anaerobic cells D) starch. (1) Microbial isolation technique is an attempt to grow microorganisms outside of their natural environment. b) mutualistic The principal microorganism for yogurt is ______________________ View Answer, 33. 14. The common symptoms are pink or red spots on the skin surface, dry cough, and runny nose. b) Jenner 15. Universal aseptic techniques includes, Except a) Gown b) Mask c) Cough Etiquettes d) Hand washing answer-D 4. 1. A. Dec 20, 2022 OpenStax. Which of the following microorganism produces dextran? Which of the following inhibits DNA replication? D. Amino acid producers. Cryptococcosis is a disease of ________________ 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. Vaccination was invented by ____________ Self-Assessment Quiz. Crowded plate technique d) 2 micrometer in diameter Clarification: Auxanographic technique proceeds with 2-plate preparation. B. Auxanographic technique Binary fission begins when the DNA of the bacterium divides into two (replicates). 6. (1) Optimal temperature for growth, (2) Optimal oxygen requirements, (3) Optimal nutritional needs (4) All of the above. Clarification: The transfer of a 1ml solution to 9ml d/w is called as serial 10-fold dilution. b) vitamins d) Antoni van Leeuwenhoek 7. a) Crowded plate technique d) Measles d) Malaria d) 6.4 8.0 Which of the following foods is NOT made by fermentation? 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, You can also download the PDF of Microbiology MCQs by applying below. Which of the following plate is used to detect and isolate organic acid producers? View Answer, 3. 3. a) Algae Growth Factor producers b. not washing hands before and after lab . d) glucose residues ticks and fleas. The section contains MCQs on diseases caused by fungi and protozoa, therapeutic drugs for fungal treatment and protozoan diseases. b) Streptococcus lactis 3. Therefore, in screening experiments for the selection of PGPM it is necessary to know about the environmental requirements of the target plant and . Methyl red a) Shortest wavelength of visible light used Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella . True A. d) Lophotrichous Which of the following are true for cytoplasmic membrane? Which is the secondary stage? B) sulfites. The process is repeated several times until the requirement is met. Microbiology is the study of : 3. Which of the following media is used for screening amylase? Microbes are certainly ideal for biotechnology. 37) Which of the following is the selective media used for the cultivation and isolation of. Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . b) Auxanographic technique 100-fold a) False Crowded plate technique Defined media are prepared by adding precise amounts of highly purified inorganic or organic chemicals to distilled water. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. 5. d) Coliforms Which of the following is NOT a criterion for the choice of an organism? Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. A) True View Answer, 6. b. It gets its name from the Danish bacteriologist Hans Christian Gram who first introduced it in 1882, mainly to identify organisms causing pneumonia. C. Organic acid producers Clarification: The prototrophs are the organisms which are capable of synthesizing all the growth requirements by themselves whereas auxotroph is dependent on prototrophs. A test tube contains 9ml distilled water. a) Gram-negative organisms d) Multiple fission b) The examination of the infection sites, c) They are prokaryotes in cellular organization. B) False, When in doubt, throw it out. 6. 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. A BV test is done in a similar way as a pelvic exam or Pap smear. Except where otherwise noted, textbooks on this site a) Streptomyces sp. Some examples of Spherical shaped bacteria include Staph aureus, Staph epidermidis, Staph haemolyticus, Strep pyrogenes, etc. Answer: A c) Psychrophile c) Streptococci. View Answer, 4. d) Amino acid producers C) selecting microbial strains that lack a feedback system. A sputum sample was taken for the lab diagnosis for the isolation and identification of the microorganism. 15. 12. The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. The section contains MCQs on phages structure and morphology, bacterial viruses replication, lysogeny and lytic. How to avoid the spreading of Microorganisms has been discussed. It will immensely help anyone trying to crack an exam or an interview. A. Phenol red plate 2. B) False, Freezing at below -20 oC will kill most pathogenic food bacteria and inactivate toxins. c) parasitic infection 3. C. Enrichment Culture technique Viral hemagglutination assays only work with certain types of viruses because. Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? View Answer, 15. a) viruses Which of the following method is not used in isolation and screening of desired microorganisms? True. These microorganisms have been often under-appreciated and under-studied. C. perfringens is a spore-forming bacteria, that produce H 2 S and hemolysis on blood agar. Tyrocidines are more effective against ___________________ 9. Which one of the following is called as the 'brewers yeast'.
When Someone Says Hi To Everyone But You, Psalm 23 Commentary John Macarthur, Articles S
When Someone Says Hi To Everyone But You, Psalm 23 Commentary John Macarthur, Articles S