B. Auxanographic technique (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. d) cellulase A. Fecal occult blood B. Rickettsia species are carried by. a) Chemical and biological assay Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. b) The organism must be able to produce a high yield of product. Home Fermentation Technology Objective Questions 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers. Water treatment typically requires three stages to make it potable from sewage. a) Crowded plate technique Bacterial cell grown on hydrocarbon wastes from the petroleum industry are a source of _____________ 7. Clarification: Phenolphthalein has a pH range between 8.0 10.0. A) True Therefore, in screening experiments for the selection of PGPM it is necessary to know about the environmental requirements of the target plant and . c) Cyanobacteria B. The greatest resolution in light microscopy can be obtained with ___________ D. 2-fold. The microorganisms from lakes and rivers can grow at a salt concentration of _________ Which among the following are microaerophilic bacteria? c) Enrichment Culture technique However, if environmental contamination can enter the system, pathogens could get in too. It should not leave damage and odour. The presence of E. coli in a drinking water sample almost always indicates recent fecal contamination, meaning there is a greater . View Answer, 25. B) False, When in doubt, throw it out. consent of Rice University. The well-isolated colonies are antibiotic producers with the zone of inhibition. Which of the following is a type of fungal microorganism? A 70 year old male visited a clinic with chronic cough, chest pain, fever, chills, and weakness. Answer: B 2. Which of the following types of microorganisms is photosynthetic? b) Mesophile and psychrophile c. Let the soil particles settle after shaking and then transfer 1ml of the solution into tube 2. Includes common viruses, bacteria, and parasites 1,2: Stool sample: Sensitive, certain positive results may be unrelated to active infection. C. Enrichment Culture technique b) Rabies These are non-enveloped viruses with a double-stranded DNA genome. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. D) are harvested during the exponential phase of growth. 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 method is not used in isolation and screening of desired microorganisms? Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a The serial dilutions of soil are performed and spread on a Petri plate and allowed to grow. Which of the following morphological characteristics is an important identification characteristic of. Your email address will not be published. C. 1000-fold 2. 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. Answer: 4. D) small-scale production is used to synthesize product. A) True B. Thymol blue Thank you so much for sharing. d) All of the mentioned Which of the following are present in teichoic acids? Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include a) S mallpox To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. Chapter 2: Classification of Medically important Bacteria MCQs. A) radiation. Prokaryotes can be found everywhere on our planet, even in the most extreme environments. (4) It separates out only a few microorganisms, only a few have commercial value while discards the valueless microorganisms, 14. 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Which of the following method proceeds with 2-plate preparation? A. Phenol red plate C) 72 oC for 15 seconds. View Answer, 8. Which of the following is the standard resource for identifying bacteria? d) Indicator dye technique chp 25 microbiology 211 mcq. 9. 3. For e.g., cellulose producers grow on nutrient medium supplied with cellulose. The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against. It is a non-profit organization and a key resource for medical research. c) The optimum temperature for the growth of an organism must be above 50C Complex media are prepared using digests of microbial, animal, or . View Answer, 15. The section contains multiple choice questions and answers on soil microorganisms interactions, nitrogen, carbon and sulphur cycles, aquatic environment, aquatic microorganisms techniques and productivity. B) False, Yeast cells prefer aerobic conditions to multiply in number. 2. a) chemical compounds Biological contaminants occur in the air as aerosols and may include bacteria, fungi, viruses, and pollens. View Answer, 22. includes 6 urine samples. Answer: B Mycoplasma pneumoniae is an unusual bacteria which has distinctive characteristics, such as. c) 2.5 to 4 percent a) Small pox Microbial enzyme production concentrates on simple hydrolytic enzymes (proteases, amylases, pectinases) that degrade natural polymers such as proteins, starches, or pectin. 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. 3. milk, meat, green vegetables, fruits, etc.) . A. c) beta-glucosidase a) Thiobacillus thiooxidans d) The organism must be able to grow in an easily available nutrient medium c) hydrophobic barrier a) Lactobacillus Microscopic examination and culture of the sputum sample revealed gram-positive cocci that appear in chains. Aims and objectives. It is further followed by secondary screening, to check the capabilities and gain information about these organisms. Microbes like bacteria and many fungi can be grown on nutritive media to form colonies, that can be seen with naked eyes. A. Yeast cells are good source of. b) Monotrichous a) Neisseria gonorrhoeae. Answer: C b) teichoic acid Which of the following was NOT a kingdom in Linnaeuss taxonomy? a) anaerobic cells 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. ticks and fleas. b. Some examples of Spherical shaped bacteria include Staph aureus, Staph epidermidis, Staph haemolyticus, Strep pyrogenes, etc. For which viral disease, vaccine has been recently developed through the use of tissue culture? Salting, as a preservative, a) 1mm in diameter C. Organic acid producers Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? b) Auxanographic technique It will immensely help anyone trying to crack an exam or an interview. Penicillin causes inhibition of Mycoplasmas. Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes. 3. d) Coliform bacteria. C. Phenolphthalein Microbiology is the study of : 3. then you must include on every digital page view the following attribution: Use the information below to generate a citation. View Answer, 24. Air Sampling. a. Streptococcus pyogens b. In batch fermentation, b) Syphilis Microbiology Question Bank PDF book covers problem solving exam tests from microbiology textbook and practical book's chapters as: Chapter 1: Basic Mycology MCQs. a) cellulose dehydrogenase Lung infection was suspected, and a chest X-ray was performed which showed infection in both lungs. D. The organism must be able to grow in an easily available nutrient medium. A. American Type Culture Collection b) 8.0 10.0 a) Spread-plate 10. a) Bacillariophycophyta APT test C. Elastase I D. Quantitative fecal fat testing: 6. A) True Multiple Choice. A) True Clarification: The use of Indicator Dye Technique is used for detection and isolation of the organisms which are organic acid producers. In this process desired microorganism is generally isolated from a natural environment like soil, which . Which of the following method proceeds with 2-plate preparation? b) cellulose d) Primary treatment 6. It works best in this range and is also used as a tracking dye in Agarose-Gel Electrophoresis. Biotechnology, the practical application of microorganisms in making products for human use, is a relatively new science, begun since Pasteur's time. You can also prevent infections through: Hand-washing. B. a) True d) DNA polymerase II The 1st plate is used to isolate and detect prototrophs whereas 2nd plate is used for identification of auxotrophs. What is the pH range of Bromophenol blue? Microbes can live in highly acidic as well as an alkaline medium. b) Study of animals and their family Answer: B b) aerobic cells a) Growth Factor producers A. d) 6.4 8.0 C. Enrichment Culture technique Required fields are marked *. d) Malaria View Answer, 7. Q. Q.1: Screening of microorganisms includes . (1) Optimal temperature for growth, (2) Optimal oxygen requirements, (3) Optimal nutritional needs (4) All of the above. Most E. coli bacteria are harmless and are found in great quantities in the intestines of people and warm-blooded animals. In modern plants the screens are cleaned . a) Leuconostoc mesenteroides 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. In the following diagram, what does the question mark represent?a) Ciliab) Flagellac) Haird) PseudopodiaAnswer: b You can also download the PDF of Microbiology MCQs by applying below. A. d) both aerobic and anaerobic cells A microorganism is a living thing that is too small to be seen with the naked eye. View Answer, 43. d) Phenol red b. not washing hands before and after lab . Secondary screening can give information about, (1) The genetic instability in microbial cultures, (2) Number of products produced in a single fermentation, 8. 7. All the microorganisms such as amoeba, protozoa, viruses, bacteria are studied under microbiology. _______ are the agents that act as carriers of a pathogen and spread diseases. 8. d) glucose residues 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? Sanfoundry Global Education & Learning Series Fermentation Technology. d) Indicator dye technique View Answer, 32. View Answer, 36. D. Indicator dye technique. Everything you need to know about water and wastewater microbiology. d) Indicator dye technique d) All of the mentioned MCQ Questions for Class 8 Science: Ch 2 Microorganisms: Friend and Foe. Answer: 4. View Answer, 12. 2. c) Enrichment Culture technique View Answer, 5. b) transposons Plasmodium divides by which of the following method most commonly? Primary treatment removes material that will either float or readily settle out by gravity. The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme Place the gram of soil into the first tube with saline and SHAKE WELL. View Answer, 41. It doesn't include viruses and prions because they are classified as non-living. What is required for proper isolation of microorganisms? A 24 year old sexually active woman had an infection in the vaginal area with genital discharge while urinating. The section contains MCQs on diseases caused by fungi and protozoa, therapeutic drugs for fungal treatment and protozoan diseases. b) Acanthopeltis How do you isolate microorganisms in the air? Which part of the compound microscope helps in gathering and focusing light rays on the specimen to be viewed? (4) Attempt to Stain microorganisms. View Answer, 42. d) Cristispira Actinomycetes are Gram-positive, facultative anaerobic fungus-like filamentous bacteria which remain on the top of the natural antibiotic producers. (2) It determines which microorganisms can produce a compound. 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. 4. 6. Which of the following are produced by microorganisms? 3. a) Mesophile Definition: true bacteria; bacteria excluding the archaea. B) 62.3oC for 30 minutes. 1. Your health care provider will insert a special tool called a speculum into your vagina. the virus must be able to lyse red blood cells. c) Psychrophile Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. b) Nitrosococcus oceanus Full-form of ATCC is _________. 11. c) fecal streptococci It is done by using paper, thin layer or other chromatographic techniques. Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . D. Indicator dye technique. Clarification: The Auxanographic technique is used for the detection and isolation of the organisms which are growth factor producers. Our Environment Class 10 MCQ Question 6. 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 There are various microorganisms types like bacteria, fungi, archaea, or protists. The section contains multiple choice questions and answers on morphology, reproduction, physiology and fungi cultivation, fungi classification and special interest. Some of the frequently asked exam questions are as follows:-. b) Xanthophycophyta Rhizobium bacteria. Want to cite, share, or modify this book? c) Binary fission Which of the following gram positive bacteria is a strict anaerobe and can only grow in the absence of oxygen? Which of the following enzyme removes the RNA primer with its 5-nuclease activity?
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