a) cellulose dehydrogenase 13. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . 6.8 - 7.2 b. 4.1: Prokaryote Habitats, Relationships, and Microbiomes. b) Streptococcus lactis 1. The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. 1. Enrichment culture technique was developed by_________, 16. c) cytoplasm B) False, Hot foods must be maintained above 60 oC to inhibit microbial growth. Microbiology Question Bank PDF book covers problem solving exam tests from microbiology textbook and practical book's chapters as: Chapter 1: Basic Mycology MCQs. Staphylococcus aureus is a major bacterial human pathogen that causes a wide variety of clinical manifestations. The section contains questions and answers on light microscope, microbial Stains, transmission and scanning electron microscope. Categories: . Through primary screening only few or many microorganism that produce a industrially . On the second day, the symptoms got worse and she was taken to the hospital. a) Gram-negative organisms 4. Answer: C Rickettsia species are carried by. This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'. Answer: A What is high throughput screening used for? c) Chemical assay 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. d) Primary treatment Which of the following method can be used to determine the number of bacteria quantitatively? The presence of E. coli in a drinking water sample almost always indicates recent fecal contamination, meaning there is a greater . Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes. A. Bacteria do not grow at a water activity level below 0.91 and require neutral pH (6.5-7) to cause food spoilage (e.g. View Answer, 32. Clarification: ATCC stands for American Type Culture Collection. d) saprophytic It works best in this range and is also used as a tracking dye in Agarose-Gel Electrophoresis. Bacterial Identification | 8 Methods & Tests In Microbiology - Study Read determined to obtain accurate susceptibility results. c) Saccharomyces cerevisiae Our members have a unique depth and breadth of knowledge about the discipline. Some of the frequently asked exam questions are as follows:-. b) Auxanographic technique Background F. Environmental Sampling - Centers for Disease Control and this would be absolutely amazing. Give the steps of typical sewage treatment plant are as given below. 2. 14. 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) 62.3oC for 30 minutes. 37) Which of the following is the selective media used for the cultivation and isolation of. 4. b) Auxanographic technique c) 5 8 A skin biopsy test was performed and the infection was diagnosed to be a parasitic infection. d) Indicator dye technique a) fats The microorganisms are chosen based on the rest three criteria. c. confining long hair and loose clothing . Bacterial Culture Media: Classification, Types, Uses 2. (1) It is useful in sorting microorganisms that have real commercial value. MCQ.8): In which of the following bacterial condition, fimbriae helps the bacteria to stick to the mucous membrane of the host? Crowded plate technique is used for screening of____________. Crowded plate technique In screening studies, it is recommended to use non-sterile soil, test different inoculation methods and different abiotic stresses, and even select microorganisms from plants under abiotic stress. Which among the following is not an ammonia-oxidizing bacteria? 3. C. Enrichment Culture technique D) all of the above. Potato Dextrose Agar plate the virus must be able to cross-link red blood cells directly. Prokaryotes are unicellular microorganisms whose cells have no nucleus. Which of the following is the standard resource for identifying bacteria? 4. 11. A food chain comprising birds, green plants, fish and man. It is done by using paper, thin layer or other chromatographic techniques. A) True Clarification: Adenoviruses cause respiratory infections. is affected by the patient's food intake on the day of testing. Eubacteria - Definition and Examples - Biology Online Dictionary 7. Measles is a disease caused by a virus, it is spread via respiratory droplets. 5. A. It will immensely help anyone trying to crack an exam or an interview. What is the approximate size of the bacterial cell? Cellulose is degraded to cellobiose by the enzyme __________________ d) Pedoviridae Mycoplasma pneumoniae is an unusual bacteria which has distinctive characteristics, such as. microscopic with a fried egg shape. Germs: Protect against bacteria, viruses and infections a) Treponema 26. Phagocytosis (article) | Foundation 2: Cells | Khan Academy The process is repeated several times until the requirement is met. 5. A) radiation. What is required for proper isolation of microorganisms? Secondary screening helps in detecting really useful microorganisms in fermentation processes, which includes 1999-2023, Rice University. A) True PDF Question Bank Multiple choice - Virginia Tech Answer: B c) an increase in the size of an individual organism View Answer, 43. View Answer, 15. B. These extracellular enzymes break up the giant molecules of the substrate into smaller ones that can feed the microorganisms. d) 2 micrometer in diameter a) Crowded plate technique B) using small scale containers to concentrate production. MCQ's For Lab Technician And Technologists - Part 6 - Lab Tests Guide The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme What is the pH range of Bromophenol blue? A) True 2. Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. a) Nitrospina gracilis a) Killing all microorganisms. View Answer, 3. Screening of industrial Microorganisms Quiz - Quizizz screening of microorganisms includes mcq This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. Pathogen testing is used to identify pathogenic organisms in manufacturing environments, ingredients or finished products that could harm the consumer. 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Which of the following are present in teichoic acids? The Society's role is to help unlock and harness . 1. View Answer, 7. d) All of the mentioned Which organisms show the zone of inhibition grown on a Petri plate? Clarification: Phenolphthalein has a pH range between 8.0 10.0. Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite. b) Treponema pallidum Chrysolaminarin is the reserved food of ___________________ Gram Staining - StatPearls - NCBI Bookshelf Microorganisms Class 8 Notes, Question Answers - successcds If you are redistributing all or part of this book in a print format, Wash your hands with soap and water for at least 20 seconds. This reduces the cooling costs in large scale fermenters. d) Malaria B) False, When in doubt, throw it out. b) Corticoviridae a) Vibrio cholerae a) 100-fold View Answer, 31. d) mitochondrial membrane These particles may consist of a single, unattached organism or may occur in the form of clumps composed of a number of . It belongs to the phthalein family that is employed as an acid-base indicator. Place the gram of soil into the first tube with saline and SHAKE WELL. Crowded plate technique The microorganisms from lakes and rivers can grow at a salt concentration of _________ are not subject to the Creative Commons license and may not be reproduced without the prior and express written Bacterial Vaginosis Test: MedlinePlus Medical Test The Microbiology Society has a vision and mission around which we base our strategy. A) True It is used to reduce the dense culture of cells to usable concentration. d) Pasteur C. Enrichment Culture technique Your health care provider will insert a special tool called a speculum into your vagina. D) all of the above. View Answer, 10. The reason they are called microorganisms is that you can only see them when you use a microscope. Answer: C Which part of the compound microscope helps in gathering and focusing light rays on the specimen to be viewed? d) DNA polymerase II b) mycotic infection View Answer, 13. d) bacterial infection A. Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. View Answer, 12. 10. b) The examination of the infection sites, c) They are prokaryotes in cellular organization. B. 2. The following diagram shows an adenovirus: ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<, Your email address will not be published. Mycoplasma pneumoniae is an unusual bacteria with distinctive colonies which are. (3) Attempt to synthesized secondary metabolites outside of their natural environment. Several microbes are useful to humans in diverse ways like in household products, industrial products, agricultural products, etc. 7. d) intercalating agents 3. Microbes and the human body - Microbiology Society Screening of Industrially Important Microorganism - Learn Insta uses 100 grams of glucose in a 300ml solution. Which of the following is a family of lambda phage viruses? d) spherical a) Crowded plate technique Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? A. Bacteria | What is microbiology? | Microbiology Society View Answer, 30. Staphylococcus Aureus - StatPearls - NCBI Bookshelf View Answer, 4. Ch. 1 Multiple Choice - Microbiology | OpenStax Wish you the best in your endeavor to learn and master Microbiology! Biological contaminants occur in the air as aerosols and may include bacteria, fungi, viruses, and pollens. View Answer, 5. Which of the following plate is used to detect and isolate organic acid producers? View Answer. Microbiology MCQ. b) False View Answer, 24. View Answer, 20. In which of the following treatment involve oxidation of organic constituents of the wastewater? D. Indicator dye technique. Clarification: The prototrophs are the organisms which are capable of synthesizing all the growth requirements by themselves whereas auxotroph is dependent on prototrophs. Your email address will not be published. d) Prototheca Which of the following is the primary screening method? There are various microorganisms types like bacteria, fungi, archaea, or protists. a) True Who is considered the father of Western medicine? d) chitin, cellulose, or hemicellulose Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. Microorganisms are minute, unicellular organisms that aren't visible to the naked eye. b) coliforms Automatic Type Counter & Classifier 12. c) Psychrophile 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) Eremothecium ashbyi Which of the following statements is correct regarding secondary screening________. View Answer, 29. c) Gram-negative bacteria d) Hanging Drop technique 250+ TOP MCQs on Microbes and Answers 2023 - FAQs Interview Questions Which of the following method is used for the isolation of mutants? View Answer, 28. (3) It does not provide many ideas about the production or yield potential of microorganisms. Auxanography technique is employed for detecting microorganisms able to produce__________.