Which of the following is the most accurate method for microbial assay of antibiotics? d) mitochondrial membrane Which of the following is used in electron microscope? The organism must be genetically stable What is the approximate size of the bacterial cell? Microbiology is the study of : 3. Report an issue. 7: Isolation of an Antibiotic Producer from soil 10. a. Streptococcus pyogens b. 4. Defined media and complex media are two broad classes of culture media used in microbiology. Butanol is obtained by fermenting molasses by. Answer: B 8. (3) Attempt to synthesized secondary metabolites outside of their natural environment. 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. Phosphorus is essential component of __________ c) The optimum temperature for the growth of an organism must be above 50C Which of the following plate is used to detect and isolate organic acid producers? Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? a) site of generation of protonmotive force A 24 year old sexually active woman had an infection in the vaginal area with genital discharge while urinating. c) Enrichment Culture technique b) Budding Bacterial cell grown on hydrocarbon wastes from the petroleum industry are a source of _____________ 10. Which of the following microorganism is eliminated in canned foods? A) True Answer: D However, if environmental contamination can enter the system, pathogens could get in too. d) Cristispira View Answer, 11. c) rod shaped Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes. The screening is isolation and detection of microorganisms of interest. b) Jenner A sputum sample was taken for the lab diagnosis for the isolation and identification of the microorganism. a) Cyanobacteria, Fungi and Viruses Name three reserve materials synthesized by microorganisms and note which microbial groups A) True a) Mesophile b) Fermented dairy products View Answer, 5. Each daughter cell is a clone of the parent cell. c) Mycobacterium tuberculosis chp 25 microbiology 211 mcq. Which of the following method is not used in isolation and screening of desired microorganisms? d) Rose Bengal Agar plate d) Nitrosovibrio tenuis 10. b) Monotrichous a) Regeneration 1. It includes the physical processes of screening, comminution, grit removal, and sedimentation. There are various microorganisms types like bacteria, fungi, archaea, or protists. A. a) Neisseria gonorrhoeae. 9. A 7 year old girl developed a sore throat and fever for 2 days. Microbiology MCQ With Answers Keys. Free Download - BYJUS d) both aerobic and anaerobic cells What is required for proper isolation of microorganisms? The growth factor-like amino acids, vitamins promotes the growth of auxotrophic mutants. Microbiology is the study of living organisms that are not visible to the naked eyes. The lesson covers the complete explanation of class 8 Chapter 2 Microorganisms.Topics covered are Introduction to Micro-organisms and microbiology, different types of Micro-organisms, Useful and Harmful Micro-organisms. Which of the following is NOT a criterion for the choice of an organism? This quiz is designed to help you assess how well you have learned the content of this lesson. It is done by using paper, thin layer or other chromatographic techniques. Screening of Industrially Important Microorganism - Learn Insta Which among the following is not an ammonia-oxidizing bacteria? Plasmodium divides by which of the following method most commonly? In this process desired microorganism is generally isolated from a natural environment like soil, which . 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. d) Indicator dye technique Biodegradation: Involved Microorganisms and Genetically Engineered Water treatment typically requires three stages to make it potable from sewage. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. b) Automatic Type Counter & Classifier Which of the following is the example of encapsulated gram-positive bacteria? Which of the following gram positive bacteria is a strict anaerobe and can only grow in the absence of oxygen? Measles is a disease caused by a virus, it is spread via respiratory droplets. 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. All Rights Reserved. Acridine orange is which type of mutagen? Identification of bacteria by biochemical tests. In which of the following treatment involve oxidation of organic constituents of the wastewater? View Answer, 12. Sulphates are reduced to hydrogen sulphide by _____________________ a) Killing all microorganisms. About Oracle NetSuite. 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. Chemical preservatives do NOT include B. Auxanographic technique The presence of E. coli in a drinking water sample almost always indicates recent fecal contamination, meaning there is a greater . View Answer, 8. Place the gram of soil into the first tube with saline and SHAKE WELL. View Answer, 3. Everything you need to know about water and wastewater microbiology. c) beta-glucosidase b) Auxanographic technique d. using damaged equipment and glassware. The section contains multiple choice questions and answers on viruses, vaccination, structure, composition, viruses classification, virus infection and fatal diseases. Bacterial Vaginosis Test: MedlinePlus Medical Test For e.g., cellulose producers grow on nutrient medium supplied with cellulose. Good work practices include, a. smelling and tasting chemicals . c) The optimum temperature for the growth of an organism must be above 50C. During the test, You will take off your clothes below your waist. Due to the climatic and geographical diversity of Nepal, a wide range of microorganisms with potent source of antimicrobials are available. A. View Answer, 31. a) Final treatment Sugar fermentation test: Bacteria is grown in a sugar media. b) Candida utilis 8. View Answer, 12. Easy detection of the small percentage of useful microorganism. d) Antoni van Leeuwenhoek This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'. 12. d) Candida milleri d) 2 micrometer in diameter d) 2-fold The microorganisms secrete the enzymes into their nutrient medium to make better use of it. Which microorganism(s) among the following perform photosynthesis by utilizing light? For this dilution, it may be said that the solution was diluted _______ The cell structure of gram positive and gram negative bacteria appear as the picture given below after the gram staining procedure, Gram positive bacteria Gram negative bacteria. B. Rapid Diagnostic Tests for Infectious Diseases It is 50,000X magnified image of a bacterium. The section contains multiple choice questions and answers on morphology, reproduction, physiology and fungi cultivation, fungi classification and special interest. Water and Wastewater Microbiology (Exam Questions) Which of the following method is not used in isolation and screening of desired microorganisms? D) all of the above. A. a) American Type Culture Collection Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? View Answer, 6. A. C. 1000-fold Which of the following are the growth morphology of the protozoa? The screening is isolation and detection of microorganisms of interest. Clarification: The Crowded Plate Technique is used for the detection and isolation of the organisms which are antibiotic producers. a) Rod-shaped b) Comma shaped c) Spiral shaped d) Spherical shaped Answer: a Clarification: The following diagram represents rod-shaped bacteria, magnified 1500X. The Society's role is to help unlock and harness . are not subject to the Creative Commons license and may not be reproduced without the prior and express written 2. (1) Its a process for the detection and isolation of microorganisms of our interest. The normal composition of feces includes all of the following except: A. Bacteria B. 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. D. Indicator dye technique. a) 100-fold 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. Primary screening of organic acids or amines producing organisms is done by__________, (2) Dye such as neutral red or bromothymol blue is used. b) aerobic cells pH, cations, thymidine or thymine, use of supplemented media). 5. d) electron beams Engineering 2023 , FAQs Interview Questions. Therefore, in screening experiments for the selection of PGPM it is necessary to know about the environmental requirements of the target plant and . A BV test is done in a similar way as a pelvic exam or Pap smear. d) DNA polymerase II The well-isolated colonies are antibiotic producers with the zone of inhibition. A) True The Gram staining is one of the most crucial staining techniques in microbiology. b) cellulose 1. Microorganisms are minute, unicellular organisms that aren't visible to the naked eye. c) ribitol or glycerol residues b) Biological assay d) Indicator dye technique Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? coliform bacteria in drinking water, the source is probably environmental and fecal contamination is unlikely. Bacterial cells grown in a medium exposed to high osmotic pressure, changes shape from rod-shaped to __________ shaped. Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? d) Malaria b) Corticoviridae It is important to find and resolve the source of the contamination. Thank you so much for sharing. Some examples of Spherical shaped bacteria include Staph aureus, Staph epidermidis, Staph haemolyticus, Strep pyrogenes, etc. d) 6.4 8.0 (1) Microbial isolation technique is an attempt to grow microorganisms outside of their natural environment. b) an increase in number of cells Pathogen & Spoilage Testing - Sigma-Aldrich Microorganisms Class 8 Notes, Question Answers - successcds Nitrates maintain the red color of preserved meats and Answer: A ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<. Some strains, however, can cause illness. Children are more susceptible to this disease. Answer: B Mycoplasma pneumoniae is an unusual bacteria with distinctive colonies which are. C) sugar. (4) Attempt to Stain microorganisms. b) Antibiotic producers Clarification: ATCC stands for American Type Culture Collection. b) The organism must be able to produce a high yield of product It should be active and stable and environmentally safe. Secondary screening can give information about (1) The genetic instability in microbial cultures (2) Number of products produced in a single fermentation (3) The structure of the product (4) All of the above. 31) Name the bacteria of the Enterobacteriaceae family that have the following characteristics? Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . Some bacteria are capable of spore formation so they are highly heat resistant and some are capable of producing heat-resistant toxins. All the microorganisms such as amoeba, protozoa, viruses, bacteria are studied under microbiology. These particles may consist of a single, unattached organism or may occur in the form of clumps composed of a number of . Which isolation technique is most effective? Besides macroscopic plants and animals, microbes are the major components of biological systems on this earth. Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? (2) Chemical, physical and biological properties of a product are also determined during secondary screening. Which scientist proposed adding a kingdom for protists? The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. Growth Factor producers the virus must be able to cross-link red blood cells directly. d) hydrophobic barrier and site of generation of protonmotive force 12. D) removal of waste, inoculation, fermentation, downstream processing. a) Crowded plate technique 11. True. View Answer, 3. Definition: true bacteria; bacteria excluding the archaea. The production of substances in industrial microbiology occur in the sequence: 1. The process is repeated several times until the requirement is met. Microbial Food Spoilage- Types of microorganisms with examples Several microbes are useful to humans in diverse ways like in household products, industrial products, agricultural products, etc. Which shape of bacteria has been represented in the following diagram? Microbes like bacteria and many fungi can be grown on nutritive media to form colonies, that can be seen with naked eyes. d) Physical assay It will immensely help anyone trying to crack an exam or an interview. Growth of bacteria or microorganisms refer to __________________ Binary fission begins when the DNA of the bacterium divides into two (replicates). 4.0 SECONDARY SCREENING OF MICROORGANISMS . 1999-2023, Rice University. Microorganism Definition. 6. 100-fold In modern plants the screens are cleaned . Secondary screening helps in detecting really useful microorganisms in fermentation processes, which includes View Answer, 13. D. Rose Bengal Agar plate. 10. 1. Performance and sterility testing of media lots should also be determined and Universal aseptic techniques includes, Except a) Gown b) Mask c) Cough Etiquettes d) Hand washing answer-D 4. a) Treponema Home Class 12 Biology Objective Questions 250+ TOP MCQs on Microbes and Answers. C. Organic acid producers Clarification: Hanging drop technique is used for motility testing of bacteria. A. a. 7. The microorganisms from lakes and rivers can grow at a salt concentration of _________ Actinomycetes are Gram-positive, facultative anaerobic fungus-like filamentous bacteria which remain on the top of the natural antibiotic producers. c) hydrophobic barrier Which one of the following organisms is least likely to cause this illness? 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. The microbes play a major role in nutrient cycling, decomposition, food spoilage, control and cause of diseases and biotechnology. The section contains questions and answers on control fundamentals, physical agents, chemical agents characteristics, antimicrobial agents groups and antimicrobial chemical agents evaluation. In an ecosystem, herbivores represent. c) carbohydrates In batch fermentation, Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . Ch. 1 Multiple Choice - Microbiology | OpenStax Best method of sterilization at commercial level is a) Hot air oven b) Autoclaving c) Radiation d) Sun light answer-C 5. 9. View Answer, 11. 250+ MCQs on Isolation and Screening of Industrially Important Microbes The process is repeated several times until the requirement is met. D. Indicator dye technique. View Answer, 10. Which of the following is NOT a criterion for the choice of an organism? 13. a) Study of molecules that are visible to human eyes A. A) heat below 100 oC. Engineering 2023 , FAQs Interview Questions, on 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers, Fermentation Technology Objective Questions, 300+ TOP MCQs on Database Screening and Screening by Nucleic Acid Hybridisation 1 and Answers, 300+ TOP MCQs on Database Screening and Screening by Nucleic Acid Hybridisation 2 and Answers, 250+ MCQs on Media for Industrial Fermentations Minerals, Growth Factors and Buffers and Answers, 250+ MCQs on Improvement of Industrial Microorganisms and Answers, 250+ TOP MCQs on Vibration Isolation and Transmissibility and Answers, 250+ TOP MCQs on Multiversion Schemes, Snapshot Isolation, 250+ TOP MCQs on Microbes in Industrial Products-3 and Answers, 250+ TOP MCQs on Microbes in Metal Containing Habitat and Answers, [12 Class Notes] MICROBES IN HUMAN WELFARE Biology CBSE, 250+ TOP MCQs on Microbes as Biofertilizers and Answers, 250+ TOP MCQs on Transaction Isolation Levels and Answers, 250+ TOP MCQs on Enzyme Extraction and Isolation Choice of Enzyme Sources and Answers, 250+ MCQs on Microbial Growth Kinetics Batch Culture and Answers, 200+ TOP CELL CULTURES and CHARACTERISTICS Interview Questions and Answers, 200+ TOP Microbiology Of Foods Interview Questions with Answers, 250+ TOP MCQs on Microbes in Industrial Products-2 and Answers, 250+ MCQs on Brewing Yeast Differentiation (Traditional Methods) and Answers, 250+ TOP MCQs on Microbes in Household Products-2 and Answers, 300+ TOP Cell Cultures & Characteristics Objective Questions and Answers, 300+ TOP Microbiology of Foods Objective Questions & Answers. 10-fold It is colourless at pH 8.0 and becomes red at pH above 10.0. D) exposure. False. b) The organism must be able to produce a high yield of product. 250+ TOP MCQs on Microbes and Answers 2023 - FAQs Interview Questions View Answer, 38. C. Enrichment Culture technique 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? c) Streptococcus thermophilus The common symptoms are pink or red spots on the skin surface, dry cough, and runny nose. Fermentation Technology Interview Questions and Answers - Sanfoundry MCQ's For Lab Technician And Technologists - Part 6 - Lab Tests Guide This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. B) 62.3oC for 30 minutes. b) Xanthophycophyta (4) It separates out only a few microorganisms, only a few have commercial value while discards the valueless microorganisms, 14. C. Enrichment Culture technique 2. c) Spirillum volutans B) using small scale containers to concentrate production. d) Multiple fission a) changes in the total population The organism must be able to produce a high yield of product b) False 4.E: Prokaryotic Diversity (Exercises) - Biology LibreTexts d) proteins The microorganisms are chosen based on the rest three criteria. 7. B. Screening of Microorganisms: Primary and Secondary Techniques A. Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. Full-form of ATCC is _________ View Answer. 8. 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. 1215, 1216 137, 1217 Particles in a biological aerosol usually vary in size from <1 m to 50 m. View Answer, 50. a) Lactobacillus b. not washing hands before and after lab . View Answer, 37. Study with Quizlet and memorize flashcards containing terms like Which of the following is true about the trichomonas vaginalis? 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. These microorganisms have been often under-appreciated and under-studied. View Answer, 22. a) True Pathogen testing is continuously performed throughout the production . View Answer, 29. d) chitin, cellulose, or hemicellulose 4. Which is the secondary stage? View Answer, 41. The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. a) Spread-plate Genetic engineering is also used to improve the biodegradation . Which of the following method is not used in isolation and screening of desired microorganisms? Secondary screening may be qualitative and quantitative in its approach. View Answer, 4. d) Study of microscope 7. c) Spirochaeta Full-form of ATCC is _________. Diagnostic Microbiology - MCQs Flashcards | Quizlet C) alcohol. c) Psychrophile Urinary tract infection was suspected, urine sample and swab specimen were taken and cultured on suitable agar media, a microscopic examination was performed. It changes from yellow at pH 3.0 to blue-violet at pH 4.6. 1. MCQs Bacteriology (1-10): With Answers and Explanations This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. OpenStax is part of Rice University, which is a 501(c)(3) nonprofit. a) Algae C) are products that require additional processing before they can be packaged. 25. a)Microaerophilic. Your email address will not be published. d) an increase in the mass of an individual organism B) False, Pasteurization is used to sterilize milk. Note when energy and additional compounds are necessary for any of these mechanisms to operate. Which of the following pulmonary pathogens cannot be easily detected by the gram staining technique when performing a microscopy test? The bacterium Staphylococcus aureus is which type of bacteria? The reason they are called microorganisms is that you can only see them when you use a microscope. 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. Clean and disinfect surfaces that are touched often. Which isolation technique is most commonly used for colony isolation in the laboratory? Answer: C 3. View Answer, 44. False. A) True Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? D. American Type Classifier and Collection. Coliform Bacteria in Drinking Water - Washington State Department of Health Which of the following statement is correct regarding primary screening________. b) coliforms Allow discarding of many valueless microbes. d) Corynebacterium diphtheriae Screening of Industrially Important Microorganism - MCQ Questions 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. b) Syphilis b) Borrelia A) True 3. C) is used to prevent growth of halophiles. The colour of plate changes from red to yellow in the zone of organisms producing organic acid.
Toro 75740 Vs 75742, Jon Neidich Apartment, John Panozzo Daughter, Home Inspector Realtor Conflict Of Interest, Articles S