Types of pathogens include specific bacteria strains, viruses, fungi, or parasites that can cause illness in its host. 5. b) The examination of the infection sites, c) They are prokaryotes in cellular organization. 3.0 4.6 Creative Commons Attribution License PDF Coliform Bacteria and Drinking Water - Washington State Department of Question 6. B. Water and Wastewater Microbiology (Exam Questions) The microbes play a major role in nutrient cycling, decomposition, food spoilage, control and cause of diseases and biotechnology. View Answer, 12. Which of the following types of mutants can be isolated using the replica plate technique? Sulphates are reduced to hydrogen sulphide by _____________________ Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. b. Litmus milk test: When bacteria is grown in this medium, there may be the production of acids or alkali or even no change in pH. Microscopic examination and culture of the sputum sample revealed gram-positive cocci that appear in chains. Phagocytosis (article) | Foundation 2: Cells | Khan Academy a) Eremothecium ashbyi Which of the following plate is used to detect and isolate organic acid producers? C. Enrichment Culture technique 11 junio, 2022. a) Treponema a) Small pox MCQs Bacteriology (1-10): With Answers and Explanations Through primary screening only few or many microorganism that produce a industrially . 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. c) Secondary treatment Phagocytosis is a critical part of the immune system. magic island poem tone Consult Now Microbes are only present in hot and humid areas.a) Trueb) FalseAnswer: bClarification: Microbes occur everywhere- in soil, water, air, inside our bodies and that of other animals and plants. Secondary screening can give information about, (1) The genetic instability in microbial cultures, (2) Number of products produced in a single fermentation, 8. Answer: 1. They are present even at sites where no other life-form could possibly exist- sites such as deep inside geysers, deep in the soil, etc. 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. c) Streptococci. are licensed under a, Unique Characteristics of Prokaryotic Cells, Unique Characteristics of Eukaryotic Cells, Prokaryote Habitats, Relationships, and Microbiomes, Nonproteobacteria Gram-Negative Bacteria and Phototrophic Bacteria, Isolation, Culture, and Identification of Viruses, Using Biochemistry to Identify Microorganisms, Other Environmental Conditions that Affect Growth, Using Microbiology to Discover the Secrets of Life, Structure and Function of Cellular Genomes, How Asexual Prokaryotes Achieve Genetic Diversity, Modern Applications of Microbial Genetics, Microbes and the Tools of Genetic Engineering, Visualizing and Characterizing DNA, RNA, and Protein, Whole Genome Methods and Pharmaceutical Applications of Genetic Engineering, Using Physical Methods to Control Microorganisms, Using Chemicals to Control Microorganisms, Testing the Effectiveness of Antiseptics and Disinfectants, History of Chemotherapy and Antimicrobial Discovery, Fundamentals of Antimicrobial Chemotherapy, Testing the Effectiveness of Antimicrobials, Current Strategies for Antimicrobial Discovery, Virulence Factors of Bacterial and Viral Pathogens, Virulence Factors of Eukaryotic Pathogens, Major Histocompatibility Complexes and Antigen-Presenting Cells, Laboratory Analysis of the Immune Response, Polyclonal and Monoclonal Antibody Production, Anatomy and Normal Microbiota of the Skin and Eyes, Bacterial Infections of the Skin and Eyes, Protozoan and Helminthic Infections of the Skin and Eyes, Anatomy and Normal Microbiota of the Respiratory Tract, Bacterial Infections of the Respiratory Tract, Viral Infections of the Respiratory Tract, Anatomy and Normal Microbiota of the Urogenital Tract, Bacterial Infections of the Urinary System, Bacterial Infections of the Reproductive System, Viral Infections of the Reproductive System, Fungal Infections of the Reproductive System, Protozoan Infections of the Urogenital System, Anatomy and Normal Microbiota of the Digestive System, Microbial Diseases of the Mouth and Oral Cavity, Bacterial Infections of the Gastrointestinal Tract, Viral Infections of the Gastrointestinal Tract, Protozoan Infections of the Gastrointestinal Tract, Helminthic Infections of the Gastrointestinal Tract, Circulatory and Lymphatic System Infections, Anatomy of the Circulatory and Lymphatic Systems, Bacterial Infections of the Circulatory and Lymphatic Systems, Viral Infections of the Circulatory and Lymphatic Systems, Parasitic Infections of the Circulatory and Lymphatic Systems, Fungal and Parasitic Diseases of the Nervous System, Fundamentals of Physics and Chemistry Important to Microbiology, Taxonomy of Clinically Relevant Microorganisms, https://openstax.org/books/microbiology/pages/1-introduction, https://openstax.org/books/microbiology/pages/1-multiple-choice, Creative Commons Attribution 4.0 International License. Which shape of bacteria has been represented in the following diagram?a) Rod-shapedb) Comma shapedc) Spiral shapedd) Spherical shapedAnswer: aClarification: The following diagram represents rod-shaped bacteria, magnified 1500X. Bacterial Vaginosis Test: MedlinePlus Medical Test Report an issue. 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. 14. View Answer, 23. includes 6 urine samples. d) chitin, cellulose, or hemicellulose Name three reserve materials synthesized by microorganisms and note which microbial groups 7. Microbial Food Spoilage- Types of microorganisms with examples b) Potato Dextrose Agar plate View Answer, 25. Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? C) new batches of microorganisms are screened for increased yield. Which of the following gram positive bacteria is a strict anaerobe and can only grow in the absence of oxygen? b) Acanthopeltis Which of the following are important primary screening techniques? c) 2.5 to 4 percent B) False, Microbiology 17 immunization and immune Testi. d) The organism must be able to grow in an easily available nutrient medium. Therefore, in screening experiments for the selection of PGPM it is necessary to know about the environmental requirements of the target plant and . They block floating debris such as wood, rags, and other bulky objects that could clog pipes or pumps. c) Crick Which of the following dye is colourless at acidic pH and becomes red at basic pH? B. Auxanographic technique 5. These extracellular enzymes break up the giant molecules of the substrate into smaller ones that can feed the microorganisms. View Answer, 35. View Answer, 9. 1. The section contains MCQs on phages structure and morphology, bacterial viruses replication, lysogeny and lytic. B) False, HACCP Hazard Analysis and Critical Control Point uses random samples for quality control of the food supply. b) Syphilis It doesn't include viruses and prions because they are classified as non-living. C. 5 8 b) Ferdinand Cohn 5. Microbes and the Tools of Genetic Engineering - Course Hero b) cell wall 10. B. b) Advanced treatment 5. d) Thermophile A. b) Study of animals and their family Which of the following method is not used in isolation and screening of desired microorganisms? The Society's role is to help unlock and harness . b) Magnifying lens 4.E: Prokaryotic Diversity (Exercises) - Biology LibreTexts The well-isolated colonies are antibiotic producers with the zone of inhibition. Clarification: The Antibiotic producers show the zone of inhibition. b. citation tool such as, Authors: Nina Parker, Mark Schneegurt, Anh-Hue Thi Tu, Philip Lister, Brian M. Forster. a) viral infection Microorganisms are minute, unicellular organisms that aren't visible to the naked eye. Wish you the best in your endeavor to learn and master Microbiology! d) Corynebacterium diphtheriae Which is the secondary stage? It is 50,000X magnified image of a bacterium. d) intercalating agents The microorganisms from lakes and rivers can grow at a salt concentration of _________ 4. View Answer, 24. The following diagram shows an adenovirus: ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<, Your email address will not be published. B. Auxanographic technique View Answer, 12. Full-form of ATCC is _________. screening of microorganisms includes mcqwarning signs for a deteriorating patient with covid 19 infection 2022.07.03 18:36 18:36 5. Required fields are marked *. 45) What are the types of general characteristics that are important for the identification and classification of protozoa? Actinomycetes are Gram-positive, facultative anaerobic fungus-like filamentous bacteria which remain on the top of the natural antibiotic producers. The section contains questions and answers on energy utilization in biosynthetic and nonbiosynthetic processes, transcription and translation of genetic information and protein synthesis process. c) UV light 13. View Answer, 7. For this dilution, it may be said that the solution was diluted _______ Screening includes primary screening and secondary screening. answer choices. The greatest resolution in light microscopy can be obtained with ___________ c) hydrophobic barrier Now that you have read Lesson 5 and have completed the exercises, you should be ready to take the self-assessment quiz. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . Lung infection was suspected, and a chest X-ray was performed which showed infection in both lungs. Sugar fermentation test: Bacteria is grown in a sugar media. Answer: A Answer: B 2. screening of microorganisms includes mcq 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. Bacterial cells grown in a medium exposed to high osmotic pressure, changes shape from rod-shaped to __________ shaped. 15. Biological contaminants occur in the air as aerosols and may include bacteria, fungi, viruses, and pollens. b) Thymol blue d) hydrophobic barrier and site of generation of protonmotive force Which organisms show the zone of inhibition grown on a Petri plate? a) 100-fold Which of the following are present in teichoic acids? c) carbohydrates b) vitamins Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella . D. Indicator dye technique. b) Auxanographic technique a) parasitic d) Coliform bacteria. Our mission is to improve educational access and learning for everyone. View Answer, 45. View Answer, 14. screening of microorganisms includes mcq - faktru.news Which among the following are Spirochetes? Mycoplasma pneumoniae is an unusual bacteria which has distinctive characteristics, such as. Our Environment Class 10 MCQ Question 6. Who was the first to observe animalcules under the microscope? A. These particles may consist of a single, unattached organism or may occur in the form of clumps composed of a number of . (4) This may be accomplished by paper, thin layer, chromatographic technique. Which among the following is not an ammonia-oxidizing bacteria? What is required for proper isolation of microorganisms? The Microbiology Society has a vision and mission around which we base our strategy. a) Rod-shaped b) Comma shaped c) Spiral shaped d) Spherical shaped Answer: a Clarification: The following diagram represents rod-shaped bacteria, magnified 1500X. False. View Answer, 4. Penicillin causes inhibition of Mycoplasmas. MCQ on Our Environment Question 9. MCQ.8): In which of the following bacterial condition, fimbriae helps the bacteria to stick to the mucous membrane of the host? 11. d) 2 micrometer in diameter Which of the following enzyme removes the RNA primer with its 5-nuclease activity? 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? Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes. The section contains questions and answers on sanitary quality of water, wastewater, treatment processes, fresh foods microbial flora, food preservation and microorganisms. d) Mycoplasmas The 1st plate is used to isolate and detect prototrophs whereas 2nd plate is used for identification of auxotrophs. D) small-scale production is used to synthesize product. MCQ Questions for Class 10 Science Our Environment with Answers 9. D) exposure. a) Study of molecules that are visible to human eyes The screening is isolation and detection of microorganisms of interest. (Or show it to your microbiology professor, just for fun.) C. Enrichment Culture technique 14. [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). Each of the following organisms is an important cause of urinary tract infections except: a. Klebsiella pneumoniae b. Escherichia coli c. Bacteriodes fragilis d. Proteus mirabilis; A 30-year woman has non-bloody diarrhea for the past 14 hours. b) mycotic infection A) True B) False, Mass-produced microbial cells can be used as livestock feed. c) rod shaped 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) Antoni van Leeuwenhoek E. coli is a sub-group of the fecal coliform group. B. View Answer, 41. b) 0.5 to 1.0 micrometer in diameter b) Gram-positive organisms c) neither aerobic and anaerobic cells View Answer, 38. 3. Who was the first to observe "animalcules" under the microscope? 13. View Answer. 9. D) all of the above. PDF Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . Acridine orange is which type of mutagen? b) Streak-plate C) maintain a high osmotic pressure to kill microorganisms. Dec 20, 2022 OpenStax. A) True B) inoculation, downstream processing, fermentation, removal of waste. d) spherical MCQ on Industrial Microbiology - MCQ Biology.com Full-form of ATCC is _________ Which of the following yeast can be used to produce microbial protein? The organic acid producers produce acid which changes the colour of media and is thus detected easily. 6. b) aerobic cells The screening is isolation and detection of microorganisms of interest. Bacteria having clusters of flagella at both poles of cells are known as? a) Gram-negative organisms b) Borrelia a) Thiobacillus thiooxidans View Answer. 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. this would be absolutely amazing. Screening - It refers to the isolation of only those microorganisms which are of interest from among a large population of microbes. a) True The reason they are called microorganisms is that you can only see them when you use a microscope. c) holozoic A test tube contains 9ml distilled water. The methods for isolation and screening are a crowded plate, auxanography, enrichment culture and use of indicator dyes. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? B. Auxanographic technique As primary screening allows the detection and isolation of microorganisms which posses, potentially interesting industrial applications. A. milk, meat, green vegetables, fruits, etc.) 1. B. Auxanographic technique a) site of generation of protonmotive force 2. c) chitin Who is considered the father of Western medicine? Trichomonas vaginitis (TV) MCQs Flashcards | Quizlet A 7 year old girl developed a sore throat and fever for 2 days. View Answer, 21. The section contains MCQs on diseases caused by fungi and protozoa, therapeutic drugs for fungal treatment and protozoan diseases. 3. 2. The section contains multiple choice questions and answers on viruses, vaccination, structure, composition, viruses classification, virus infection and fatal diseases. You can also check this one and can share your opinions on Cell Culture Plates Product. d) appendaged bacteria It gets its name from the Danish bacteriologist Hans Christian Gram who first introduced it in 1882, mainly to identify organisms causing pneumonia. c) Gram-negative bacteria This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'. D. Indicator dye technique. d) American Type Classifier and Collection Blood C. Electrolytes D. Water: 5. (4) It separates out only a few microorganisms, only a few have commercial value while discards the valueless microorganisms, 14. 12. a) Spread-plate View Answer, 13. c) An objective with minimum numerical aperture Urinary tract infection was suspected, urine sample and swab specimen were taken and cultured on suitable agar media, a microscopic examination was performed. On the second day, the symptoms got worse and she was taken to the hospital. a) anaerobic cells Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. c) ribitol or glycerol residues Clarification: The pH range of Bromophenol blue is 3.0 4.6. Cellulose is degraded to cellobiose by the enzyme __________________ 7. Each daughter cell is a clone of the parent cell. Primary treatment removes material that will either float or readily settle out by gravity. You can also prevent infections through: Hand-washing. 37) Which of the following is the selective media used for the cultivation and isolation of. Ch. 20 Multiple Choice - Microbiology | OpenStax a) Crowded plate technique The objective of this study was to isolate, identify, and screen the potential antimicrobial-producing . PDF Laboratory Methodologies for Bacterial Antimicrobial - Woah 5. 30 seconds. c) Breads You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. 4.0 SECONDARY SCREENING OF MICROORGANISMS . A. d) DNA polymerase II If you are redistributing all or part of this book in a print format, Which of the following microorganism is eliminated in canned foods? Which among the following group of microorganisms are found in the ducts of cows mammary glands? The section contains questions and answers on diseases caused by staphylococcus, streptococcus, corynebacterium, aerobic and anaerobic gram, viruses containing single and double stranded dna. 7: Isolation of an Antibiotic Producer from soil View Answer, 10. A. d) 2-fold C. perfringens is a spore-forming bacteria, that produce H 2 S and hemolysis on blood agar. 2. Who is considered the "father of Western medicine"? c) Spirochetes This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. Which of the following plate is used to detect and isolate organic acid producers? D) are harvested during the exponential phase of growth. Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? Phosphorus is essential component of __________ Diagnostic Microbiology - MCQs Flashcards | Quizlet b) light waves 4. Which of the following method can be used to determine the number of bacteria quantitatively? Rhizobium bacteria. 1. b) transposons Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single circular chromosome. Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include View Answer, 20. a) Neisseria gonorrhoeae. a) Crowded plate technique b) False OpenStax is part of Rice University, which is a 501(c)(3) nonprofit. MCQ on Isolation, classification and Identification of microorganisms 44) Which of the following microorganisms can grow only as strict intracellular parasites? 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, These microorganisms have been often under-appreciated and under-studied. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. A 24 year old sexually active woman had an infection in the vaginal area with genital discharge while urinating. c) Mumps Answer: 4. It is important to find and resolve the source of the contamination. A routine GTT: is three hours long. 12. d) Candida milleri b) Antibiotic producers 4.1: Prokaryote Habitats, Relationships, and Microbiomes. Clarification: The prototrophs are the organisms which are capable of synthesizing all the growth requirements by themselves whereas auxotroph is dependent on prototrophs. All Rights Reserved. B) sulfites. A) True Clarification: The transfer of a 1ml solution to 9ml d/w is called as serial 10-fold dilution.