Answer: B Pathogen & Spoilage Testing - Sigma-Aldrich b) aerobic cells Potato Dextrose Agar plate Biodegradation: Involved Microorganisms and Genetically Engineered d) Physical assay 3. The 1st plate is used to isolate and detect prototrophs whereas 2nd plate is used for identification of auxotrophs. True 30 seconds. pH, cations, thymidine or thymine, use of supplemented media). A. magic island poem tone Consult Now Acridine orange is which type of mutagen? Some of the frequently asked exam questions are as follows:-. Which of the following is the standard resource for identifying bacteria? c) AIDS Gram negative bacteria take the color of safranin stain and appear pink or red. [1] Infections are common both in community-acquired as well as hospital-acquired settings and treatment remains challenging to manage due to the emergence of multi-drug resistant strains such as MRSA (Methicillin-Resistant Staphylococcus aureus). B) heat. The section contains questions and answers on sanitary quality of water, wastewater, treatment processes, fresh foods microbial flora, food preservation and microorganisms. (2) It determines which microorganisms can produce a compound. B) False, Yeast cells prefer aerobic conditions to multiply in number. 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. b) Biological assay 7. a) Crowded plate technique 250+ TOP MCQs on Microbes in Industrial Products-4 and Answers, 300+ TOP MCQs on Microbes in Human Welfare and Answers, 250+ TOP MCQs on Microbes in Household Products-1 and Answers, 250+ TOP MCQs on Microbes in Production of Biogas and Answers, 250+ TOP MCQs on Microbes in Household Products-2 and Answers, 250+ TOP MCQs on Microbes in Industrial Products-3 and Answers, 250+ TOP MCQs on Microbes in Sewage Treatment and Answers, 250+ TOP MCQs on Microbes in Industrial Products-1 and Answers, 250+ TOP MCQs on Microbes in Industrial Products-2 and Answers, 250+ TOP MCQs on Microbes as Biofertilizers and Answers, [12 Class Notes] MICROBES IN HUMAN WELFARE Biology CBSE, 250+ TOP MCQs on Microbes as Biocontrol Agents and Answers, 250+ TOP MCQs on Microbes in Metal Containing Habitat and Answers, 250+ TOP MCQs on Microbes in Bioleaching Process and Answers, 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers, 300+ TOP MCQs on Bioremediation and Answers, 250+ TOP MCQs on Heat Transfer Applications Thermal Processing and Answers, 250+ TOP MCQs on Environmental Issues Water Pollution and its Control and Answers, 250+ TOP MCQs on Biotechnology Applications Ethical Issues and Answers, 250+ TOP MCQs on Hydraulic Fracturing Frac Job Design and Answers. False. 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D. Phenol red. 1. 3. Which of the following is the source of Vitamin A. . 3. (4) It separates out only a few microorganisms, only a few have commercial value while discards the valueless microorganisms, 14. c) Enrichment Culture technique C. American Type Counter Collection 4.0 SECONDARY SCREENING OF MICROORGANISMS . (1) Microbial isolation technique is an attempt to grow microorganisms outside of their natural environment. Nitrates maintain the red color of preserved meats and View Answer, 42. b) Treponema pallidum d) Bacillus polymyxa Which of the following was NOT a kingdom in Linnaeuss taxonomy? Clarification: The Antibiotic producers show the zone of inhibition. The process is repeated several times until the requirement is met. It is used to reduce the dense culture of cells to usable concentration. a) cellulose dehydrogenase Answer: C d) Photosynthetic sulfur bacteria c) Binary fission A. Phenol red plate B. Auxanographic technique a) Nitrospina gracilis 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. View Answer, 37. Home Class 12 Biology Objective Questions 250+ TOP MCQs on Microbes and Answers. b) Borrelia Growth of bacteria or microorganisms refer to __________________ 1. There are various microorganisms types like bacteria, fungi, archaea, or protists. 8. Penicillin causes inhibition of Mycoplasmas. d) bacterial infection d) Phenol red 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? This is one of the widely used methods and more important. A. View Answer, 7. d) Indicator dye technique b) Microbacteria c) Spirochaeta View Answer, 6. Trichomonas vaginitis (TV) MCQs Flashcards | Quizlet 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, The normal composition of feces includes all of the following except: A. Bacteria B. Sulphates are reduced to hydrogen sulphide by _____________________ a) Styloviridae Which of the following is the most accurate method for microbial assay of antibiotics? b) vitamins Rapid Diagnostic Tests for Infectious Diseases c) Enrichment Culture technique c) Chlorophycophyta Water treatment typically requires three stages to make it potable from sewage. Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? B) are by-products of metabolism that are not important to microbe function. B. Auxanographic technique Lung infection was suspected, and a chest X-ray was performed which showed infection in both lungs. Trophic level in an ecosystem represents. c) DNA polymerase I Answer: B Which isolation technique is most effective? 6. Place the gram of soil into the first tube with saline and SHAKE WELL. View Answer, 32. a) The organism must be genetically stable A) fermentation, downstream processing, removal of waste, inoculation. b) 10-fold Clarification: The Crowded Plate Technique is used for the detection and isolation of the organisms which are antibiotic producers. Answer: C Q. Q.1: Screening of microorganisms includes . c) Pour-plate and spread plate The section contains multiple choice questions and answers on soil microorganisms interactions, nitrogen, carbon and sulphur cycles, aquatic environment, aquatic microorganisms techniques and productivity. D) A and C . Candidiasis is a fungal infection, skin infection, and mouth or vaginal infection that can occur due to the overgrowth of the fungus. a) Cephaleuros Answer: D 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. In regions of the estuary that are nutritionally poor, it is more likely to find which of the following organisms? a) Watson PDF Coliform Bacteria and Drinking Water - Washington State Department of the virus must be able to cross-link red blood cells directly. MCQ on Industrial Microbiology - MCQ Biology.com Therefore, in screening experiments for the selection of PGPM it is necessary to know about the environmental requirements of the target plant and . 5. c) Bacillus thuringiensis The common symptoms are pink or red spots on the skin surface, dry cough, and runny nose. D) 134 oC for 1 second. c) Chemical assay b) cell wall Rickettsia species are carried by. b) The organism must be able to produce a high yield of product are not subject to the Creative Commons license and may not be reproduced without the prior and express written Wish you the best in your endeavor to learn and master Microbiology! Diagram and name four mechanisms bacteria use to transport materials across the cytoplasmic membrane. c) 2mm in diameter a) Amphitrichous Performance and sterility testing of media lots should also be determined and Microbiology is the study of living organisms that are not visible to the naked eyes. screening of microorganisms includes mcq (Or show it to your microbiology professor, just for fun.) Mycoplasma pneumoniae is an unusual bacteria which has distinctive characteristics, such as. Bacterial Vaginosis Test: MedlinePlus Medical Test Gram positive bacterial cell wall takes the stain of crystal violet and appears, BIOCHEMISTRY, BIOMEDICINE & PHARMACEUTICS, Classification and identification of microorganisms, Branched Chain Amino Acid Metabolism and Maple Syrup Urine Disease, drugs for the treatment of cardiovascular diseases, MEDICAL MICROBIOLOGY gastrointestinal tract, Nosocomial infection/ hospital acquired infections, Lipid Metabolism: MCQs (Cholesterol, Triglycerides, and Other Lipids), MCQs on Sterilization and Disinfection - Decontamination, aseptic processes in laboratory and hospitals, Carbohydrate Metabolism: MCQ on Glycolysis & Gluconeogenesis. Thank you so much for sharing. It is done by using paper, thin layer or other chromatographic techniques. Which of the following is used in electron microscope? 7. a) True D) prevent mold. d) Nitrosovibrio tenuis c) Enrichment Culture technique Answer: A You will lie on your back on an exam table, with your feet in stirrups. 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. a) DNA polymerase III First link in any food chain is usually green plants because. It includes the physical processes of screening, comminution, grit removal, and sedimentation. 3. 13. C. perfringens is a spore-forming bacteria, that produce H 2 S and hemolysis on blood agar. c) Mumps B. coliform bacteria in drinking water, the source is probably environmental and fecal contamination is unlikely. Which of the following statements about food chain and energy . View Answer. A) True B) using small scale containers to concentrate production. MCQ Questions for Class 10 Science Our Environment with Answers The greatest resolution in light microscopy can be obtained with ___________ a) Small pox In this process desired microorganism is generally isolated from a natural environment like soil, which . b) Viruses Biological contaminants occur in the air as aerosols and may include bacteria, fungi, viruses, and pollens. A) retards growth of Staphylococcus aureus. This reduces the cooling costs in large scale fermenters. b) Auxanographic technique It is the zone where only the growth of a particular colony is observed whereas rest all colonies get degraded by antibiotics. Our members have a unique depth and breadth of knowledge about the discipline. 1. Which of the following are present in teichoic acids? 13. View Answer, 34. The section contains MCQs on size, shape and arrangement of bacterial cells, cell wall, structures external and internal to the cell wall.

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