screening of microorganisms includes mcq screening of microorganisms includes mcq

a) anaerobic cells D. 6.4 8.0. Place the gram of soil into the first tube with saline and SHAKE WELL. D) small-scale production is used to synthesize product. A) retards growth of Staphylococcus aureus. False. c) Spirochaeta View Answer, 18. d) Prototheca 7. 3. View Answer, 3. 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 . Trophic level in an ecosystem represents. Types of pathogens include specific bacteria strains, viruses, fungi, or parasites that can cause illness in its host. Which scientist proposed adding a kingdom for protists? MCQ.9):Which bacteria have flagella of amphitrichous type means the flagellum are present at both the sides? b) Rabies 5. View Answer, 20. b) 8.0 10.0 Now that you have read Lesson 5 and have completed the exercises, you should be ready to take the self-assessment quiz. a) Amphitrichous b) Antibiotic producers A) True Juli 2022 View Answer, 27. How do you isolate microorganisms in the air? Which of the following metabolic characteristic is a distinguishing characteristic and identification of colonies of. d) Malaria Our mission is to improve educational access and learning for everyone. The objective of this study was to isolate, identify, and screen the potential antimicrobial-producing . Children are more susceptible to this disease. These particles may consist of a single, unattached organism or may occur in the form of clumps composed of a number of . 6. 11. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? A. Phenol red plate Blood C. Electrolytes D. Water: 5. 5. 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. Answer: B 3. B) False, Hot foods must be maintained above 60 oC to inhibit microbial growth. Crowded plate technique Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? a) parasitic screening of microorganisms includes mcq. Who was the first to observe animalcules under the microscope? Which of the following is a family of lambda phage viruses? Answer: B 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. Universal aseptic techniques includes, Except a) Gown b) Mask c) Cough Etiquettes d) Hand washing answer-D 4. It should have a fast rate of kill of micro-organisms. In which of the following treatment involve oxidation of organic constituents of the wastewater? a) x-rays b) Biological assay c) Gram-negative bacteria Water treatment typically requires three stages to make it potable from sewage. a) Mesophile A food chain comprising birds, green plants, fish and man. If you are redistributing all or part of this book in a print format, 10. Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. It belongs to the phthalein family that is employed as an acid-base indicator. True 2. c) Study of organisms that are not visible to naked eyes Vaccination was invented by ____________ milk, meat, green vegetables, fruits, etc.) Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. Genetic engineering is also used to improve the biodegradation . b) Streptococcus lactis 12. Biological contaminants occur in the air as aerosols and may include bacteria, fungi, viruses, and pollens. b) teichoic acid Secondary screening may be qualitative and quantitative in its approach. 10. Methyl red B) heat. Multiple Choice. Microorganism Definition. a) Crowded plate technique A 24 year old sexually active woman had an infection in the vaginal area with genital discharge while urinating. Secondary screening helps in detecting really useful microorganisms in fermentation processes, which includes To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. Allow discarding of many valueless microbes. a) Alcoholic beverages Potato Dextrose Agar plate requires five blood samples . 100-fold Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a . Microbiology MCQ. Crowded plate technique screening of microorganisms includes mcqwarning signs for a deteriorating patient with covid 19 infection 2022.07.03 18:36 18:36 B) sulfites. Done in one or few steps. b) below 1 percent screening of microorganisms includes mcqshortest water tower in the world. OpenStax is part of Rice University, which is a 501(c)(3) nonprofit. B. Auxanographic technique View Answer, 2. During the test, You will take off your clothes below your waist. b) Fungi D. Indicator dye technique. The section contains multiple choice questions and answers on bioenergetics principles, energy production by photosynthesis, anaerobic and aerobic processes. lack of cell wall. 7. Name three reserve materials synthesized by microorganisms and note which microbial groups View Answer, 12. Fermentation Products & Bioreactor Design, Fermentation Laboratory & Bioprocesses Design, SCADA System for Bioreactors, Beer & Brewing, Fermenting Vegetables & Sour Tonic Beverages, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Fermentation Technology Questions and Answers Microbial Growth Kinetics FedBatch Culture, Next - Fermentation Technology Questions and Answers Preservation of Industrial Microorganisms, Certificate of Merit in Fermentation Technology, Fermentation Technology Certification Contest, Genetic Engineering Questions and Answers Database Screening and Screening by Nucleic Acid Hybridisation 1, Fermentation Technology Questions and Answers Improvement of Industrial Microorganisms, Fermentation Technology Questions and Answers Fermentation Products Recovery and Purification Chromatography, Genetic Engineering Questions and Answers Database Screening and Screening by Nucleic Acid Hybridisation 2, Mechanical Operations Questions and Answers Screening Equipments, Fermentation Technology Questions and Answers Microbial Growth Kinetics FedBatch Culture, Fermentation Technology Questions and Answers Aeration and Agitation Determination of Kla Values, Fermentation Technology Questions and Answers Microbial Growth Kinetics Continuous Culture, Fermentation Technology Questions and Answers Commercial Applications Surface, Submerged and Solid State Fermentation, Books on Engineering, Science and Technology, Chemical Process Technology MCQ Questions. The section contains MCQs on selective methods, pure cultures and cultural characteristics. b) Mesophile and psychrophile d) glucose residues Clarification: Hanging drop technique is used for motility testing of bacteria. b) The organism must be able to produce a high yield of product 5. d) Mycoplasmas You will lie on your back on an exam table, with your feet in stirrups. c) cytoplasm 1. Q. Q.1: Screening of microorganisms includes . View Answer, 12. Which of the following is not a subfield of microbiology? View Answer, 14. c) Mycobacterium tuberculosis What is the fecal test that requires a 3-day specimen? Secondary metabolites C. Enrichment Culture technique a) Condenser lens 1999-2023, Rice University. B. Thymol blue Which among the following are microaerophilic bacteria? Answer: A Protozoa that eat other organisms are known as _______________ 15. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. C) are products that require additional processing before they can be packaged. a) glycerol residues b) True a) changes in the total population a) Phenol red plate View Answer, 38. c) Chemical assay Categories: . b) gamma rays d) cathode rays Answer: A d) All of the mentioned Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? 8. 1215, 1216 137, 1217 Particles in a biological aerosol usually vary in size from <1 m to 50 m. 2. Microbiology Question Bank PDF book covers problem solving exam tests from microbiology textbook and practical book's chapters as: Chapter 1: Basic Mycology MCQs. 2. a) Thiobacillus thiooxidans The Society's role is to help unlock and harness . C) use of microbes in sewage and pollution control. a) True What is the approximate size of the bacterial cell? 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. Answer: A View Answer, 3. Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? 30 seconds. 4. Answer: C The section contains multiple choice questions and answers on morphology, reproduction, physiology and fungi cultivation, fungi classification and special interest. a) DNA polymerase III A) True About Oracle NetSuite. d) Rose Bengal Agar plate 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. 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. d) saprophytic b) Jenner Clarification: ATCC stands for American Type Culture Collection. Fermentation Technology Questions on Isolation and Screening of Industrially Important Microbes. View Answer, 37. A. B) nutrients are continuously fed into the reactor and the product is siphoned off during the run. a) cytoplasmic membrane 1. Which one of the following is called as the 'brewers yeast'. d) Eyepiece lens In this process desired microorganism is generally isolated from a natural environment like soil, which . Antibiotic producers This book uses the Good work practices include, a. smelling and tasting chemicals . a) The organism must be genetically stable. a) Styloviridae b) Advanced treatment The principal microorganism for yogurt is ______________________ Glycosylated hemoglobin: causes sickle cell anemia. B) plasmolyzes bacteria and fungi. b) Budding Q.1. b) coliforms The well-isolated colonies are antibiotic producers with the zone of inhibition. Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? 4.0 SECONDARY SCREENING OF MICROORGANISMS . View Answer, 24. Prokaryotes can be found everywhere on our planet, even in the most extreme environments. These extracellular enzymes break up the giant molecules of the substrate into smaller ones that can feed the microorganisms. Which of the following gram positive bacteria is a strict anaerobe and can only grow in the absence of oxygen? d) an increase in the mass of an individual organism 25. a)Microaerophilic. a) 3.0 4.6 a) Rod-shaped b) Comma shaped c) Spiral shaped d) Spherical shaped Answer: a Clarification: The following diagram represents rod-shaped bacteria, magnified 1500X. 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. Which of the following dye is colourless at acidic pH and becomes red at basic pH? c) Enrichment Culture technique a) Nitrospina gracilis Which of the following is the most accurate method for microbial assay of antibiotics? Bacterial cells grown in a medium exposed to high osmotic pressure, changes shape from rod-shaped to __________ shaped. B) inoculation, downstream processing, fermentation, removal of waste. Except where otherwise noted, textbooks on this site Note when energy and additional compounds are necessary for any of these mechanisms to operate. View Answer, 33. Required fields are marked *. a) True d) Indicator dye technique b) Streptomyces olivaceus A) production of alcoholic beverages by microorganisms. Clarification: The prototrophs are the organisms which are capable of synthesizing all the growth requirements by themselves whereas auxotroph is dependent on prototrophs. B) inhibit germination of botulism spores. b) Study of animals and their family 2. The screening is isolation and detection of microorganisms of interest. In modern plants the screens are cleaned . Definition: true bacteria; bacteria excluding the archaea. c) The optimum temperature for the growth of an organism must be above 50C 10. c) carbohydrates and you must attribute OpenStax. the virus must not be able to lyse red blood cells. Which of the following plate is used to detect and isolate organic acid producers? Screening includes primary screening and secondary screening.