screening of microorganisms includes mcq

. A) fermentation, downstream processing, removal of waste, inoculation. D. Amino acid producers. b) False B. Auxanographic technique Answer: 1. b) Auxanographic technique During their metabolism, microbes produce chemicals, some of which are used by human beings. B. Auxanographic technique Home Class 12 Biology Objective Questions 250+ TOP MCQs on Microbes and Answers. Which of the following microorganism is eliminated in canned foods? d) Prototheca Growth of bacteria or microorganisms refer to __________________ B) False, HACCP Hazard Analysis and Critical Control Point uses random samples for quality control of the food supply. To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. Antibiotic producers The colour of plate changes from red to yellow in the zone of organisms producing organic acid. Which organisms show the zone of inhibition grown on a Petri plate? a) 1mm in diameter c) Breads B) False, When in doubt, throw it out. Which part of the compound microscope helps in gathering and focusing light rays on the specimen to be viewed? Which microorganism(s) among the following perform photosynthesis by utilizing light? On the second day, the symptoms got worse and she was taken to the hospital. 5. Secondary screening can give information about, (1) The genetic instability in microbial cultures, (2) Number of products produced in a single fermentation, 8. Acridine orange is which type of mutagen? Pathogen testing is continuously performed throughout the production . b) Longest wavelength of visible light used A. Fecal occult blood B. c) Streptococcus thermophilus Answer: 4. Which of the following yeast can be used to produce microbial protein? (2) Attempt to kill microorganisms outside of their natural environment. The "flash method" or "high temperature short time" method exposes fluids to Except where otherwise noted, textbooks on this site View Answer, 11. b) 0.5 to 1.0 micrometer in diameter C) maintain a high osmotic pressure to kill microorganisms. 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. a) viral infection c) Enrichment Culture technique c) Spirillum volutans Penicillin causes inhibition of Mycoplasmas. D. Indicator dye technique. 4. b) Fermented dairy products d) Multiple fission a) DNA polymerase III Required fields are marked *. These particles may consist of a single, unattached organism or may occur in the form of clumps composed of a number of . Which of the following is NOT a criterion for the choice of an organism? (3) Attempt to synthesized secondary metabolites outside of their natural environment. b) Magnifying lens Q. Q.1: Screening of microorganisms includes . 3. It should not leave damage and odour. Cellulose is degraded to cellobiose by the enzyme __________________ The section contains questions and answers on control fundamentals, physical agents, chemical agents characteristics, antimicrobial agents groups and antimicrobial chemical agents evaluation. Each daughter cell is a clone of the parent cell. b) Ferdinand Cohn Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. d. using damaged equipment and glassware. Which of the following plate is used to detect and isolate organic acid producers? Fermentation Technology Questions on Isolation and Screening of Industrially Important Microbes. a) Crowded plate technique d) 2-fold B. Which of the following are produced by microorganisms? False. Yeast cells are good source of. d) Malaria True 10. b) cellulose 6. Crowded plate technique Prokaryotes are very flexible metabolically, so they are able to adjust their feeding to the available natural resources. Screening includes primary screening and secondary screening. Cystic fibrosis is an inherited disease, infection in the lungs and digestive system. b) Atrichous bacteria. As an Amazon Associate we earn from qualifying purchases. View Answer, 13. Secondary screening may be qualitative and quantitative in its approach. Which one of the following organisms is least likely to cause this illness? Which among the following is not an ammonia-oxidizing bacteria? The section contains questions and answers on diseases caused by staphylococcus, streptococcus, corynebacterium, aerobic and anaerobic gram, viruses containing single and double stranded dna. Blood C. Electrolytes D. Water: 5. B. D. 2-fold. d) cellulase b) light waves Your email address will not be published. d) Eyepiece lens 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. Which of the following is the primary screening method? 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, Which of the following plate is used to detect and isolate organic acid producers? d) appendaged bacteria c) Crick a) peptidoglycan d) Lophotrichous Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? a) True It is colourless at pH 8.0 and becomes red at pH above 10.0. False. Name three reserve materials synthesized by microorganisms and note which microbial groups 2. Who is considered the "father of Western medicine"? The serial dilutions of soil are performed and spread on a Petri plate and allowed to grow. The greatest resolution in light microscopy can be obtained with ___________ Sulphates are reduced to hydrogen sulphide by _____________________ (3) It does not provide many ideas about the production or yield potential of microorganisms. the virus must be able to cross-link red blood cells directly. Potato Dextrose Agar plate 4. Genetic engineering is also used to improve the biodegradation . Which of the following statements about food chain and energy . The reason they are called microorganisms is that you can only see them when you use a microscope. b) Jenner A. Which of the following method can be used to determine the number of bacteria quantitatively? 4.1: Prokaryote Habitats, Relationships, and Microbiomes. You will get a gown or sheet as a cover. d) both aerobic and anaerobic cells b. Clarification: Phenol Red plate is used to detect and isolate organic acid producers. The principal microorganism for yogurt is ______________________ View Answer, 7. B. Thymol blue c) Chlorophycophyta b) hexokinase 1. You can also prevent infections through: Hand-washing. Dec 20, 2022 OpenStax. Now that you have read Lesson 5 and have completed the exercises, you should be ready to take the self-assessment quiz. d) Pasteur 5. Here are 1000 MCQs on Microbiology (Chapterwise), The Characterization, Classification and Identification of Microorganisms, The Microscopic Examination of Microorganisms, The Morphology and Fine Structure of Bacteria, Pure Cultures and Cultural Characteristics, Microbial Metabolism : Utilization of Energy and Biosynthesis, The Control of Microorganisms by Physical & Chemical Agents, Antibiotics and Other Chemotherapeutic Agents, Microbiology of Soil & Aquatic Microbiology, Microbiology of Domestic Water and Wastewater, Microbiology of Food, Industrial Microbiology & Bacterial Genetics, Microbial Flora of the Healthy Human Host, Host-Microbe Interactions : The Process of Infection, Microbial Agents of Disease : Bacteria & Viruses, Microbial Agents of Disease : Fungi and Protozoa, Microbiology MCQ: Major Characteristics of Microorganisms, Microbiology MCQ: Microbial Classification, Microbiology MCQ: Transmission Electron Microscope and Scanning Electron Microscope, Microbiology MCQ: The Size, Shape and Arrangement of Bacterial Cells, Microbiology MCQ: Structures External to the Cell Wall, Microbiology MCQ: Structures Internal to the Cell Wall, Microbiology MCQ: Nutritional Requirements, Microbiology MCQ: Physical Conditions Required for Growth, Microbiology MCQ: Reproduction Modes of Cell Division, Microbiology MCQ: Growth Cycle of Bacteria, Microbiology MCQ: Quantitative Measurement of Bacterial Growth, Microbiology MCQ: Cultural Characteristics, Microbiology MCQ: Some Principles of Bioenergetics, Microbiology MCQ: Energy Production by Anaerobic Processes, Microbiology MCQ: Energy Production by Aerobic Processes, Microbiology MCQ: Energy Production by Photosynthesis, Microbiology MCQ: Utilization of Energy in Nonbiosynthetic Processes, Microbiology MCQ: Utilization of Energy in Biosynthetic Processes, Microbiology MCQ: The Biosynthesis of Deoxyribonucleic Acid, Microbiology MCQ: Transcription and Translation of Genetic Information, Microbiology MCQ: The Process of Protein Synthesis, Microbiology MCQ: Aerobic Gram Negative Rods and Cocci, Microbiology MCQ: Facultatively Anaerobic Gram Negative Rods, Microbiology MCQ: Anaerobic Gram-Negative Straight, Curved and Helical Rods, Microbiology MCQ: The Rickettsias and Chlamydias, Microbiology MCQ: Endospore Forming Gram Positive Bacteria, Microbiology MCQ: Nonspore Forming Gram Positive Bacteria, Microbiology MCQ: Physiology and Cultivation of Fungi, Microbiology MCQ: Classification of Fungi, Microbiology MCQ: Some Fungi of Special Interest, Microbiology MCQ: The Biological and Economic Importance of Algae, Microbiology MCQ: Characteristics of Algae, Microbiology MCQ: Classification of Algae, Microbiology MCQ: Ecology and Importance of Protozoa, Microbiology MCQ: Reproduction of Protozoa, Microbiology MCQ: Characteristics of Some Major Groups of Protozoa, Microbiology MCQ: Morphology and Structure of Phages, Microbiology MCQ: Replication of Bacterial Viruses, Microbiology MCQ: Viruses and Vaccination, Microbiology MCQ: Structure and Composition, Microbiology MCQ: Classification of Viruses, Microbiology MCQ: Virus Infection and Fatal Diseases Associated with Viruses in Animals, Microbiology MCQ: Fundamentals of Control, Microbiology MCQ: Characteristics and Definition of Chemical Agents, Microbiology MCQ: Major Groups of Antimicrobial Agents, Microbiology MCQ: Evaluation of Antimicrobial Chemical Agents, Microbiology MCQ: Historical Highlights of Chemotherapy, Microbiology MCQ: Antibiotics and their Mode of Action, Microbiology MCQ: Microbiological Assay of Antibiotics, Antifungal, Antiviral and Antitumour Antibiotics, Microbiology MCQ: Interactions Among Soil Microorganisms, Microbiology MCQ: The Carbon Cycle & Sulphur Cycle, Microbiology MCQ: The Aquatic Environment, Microbiology MCQ: Distribution and Techniques for the Study of Aquatic Microorganisms, Microbiology MCQ: Productivity of Aquatic Microorganisms, Microbiology MCQ: Determining Sanitary Quality of Water, Microbiology MCQ: Wastewater and Treatment Processes, Microbiology MCQ: Microbial Flora of Fresh Foods, Microbiology MCQ: Microorganisms and Industry, Microbiology MCQ: Industrial Uses of Bacteria, Microbiology MCQ: Industrial Uses of Yeasts, Microbiology MCQ: Industrial Uses of Molds, Microbiology MCQ: Bacterial Recombination, Microbiology MCQ: Bacterial Transformation, Microbiology MCQ: Normal Flora and the Human Host, Microbiology MCQ: Distribution and Occurrence of the Normal Flora, Microbiology MCQ: Penetration of Epithelial Cell Layers, Microbiology MCQ: Events in Infection Following Penetration, Microbiology MCQ: Microbial Virulence Factors, Microbiology MCQ: Diseases Caused by Aerobic and Anaerobic Gram Negative Rods, Microbiology MCQ: Diseases Caused by Staphylococcus, Streptococcus and Bacillus, Microbiology MCQ: Diseases Caused by Clostridium, Corynebacterium and Mycobacterium, Microbiology MCQ: Viruses Containing Single Stranded RNA, Microbiology MCQ: Viruses Containing Double Stranded DNA, Microbiology MCQ: Diseases Caused by Fungi, Microbiology MCQ: Diseases Caused by Protozoa, Microbiology MCQ: Therapeutic Drugs for Treatment of Fungal and Protozoan Diseases, Environmental Biotechnology MCQ Questions, 1000 Data Structures & Algorithms II MCQs, 50k Electronics & Communication Engg MCQs. b) Mesophile and psychrophile Which of the following foods is NOT made by fermentation? Which of the following types of microorganisms is photosynthetic? A sputum sample was taken for the lab diagnosis for the isolation and identification of the microorganism. B) inhibit germination of botulism spores. A) are essential to microbe function. Full-form of ATCC is _________ You will lie on your back on an exam table, with your feet in stirrups. Sulphur can be utilized by bacteria in the a. A. Has two nuclei C. Forms cysts D. Has a sucking disc E. Survives well in ordinary water, even when this is hot or contains chlorine or detergents, Flagellate parasite is the cause of vulvovaginitis in women in . The methods for isolation and screening are a crowded plate, auxanography, enrichment culture and use of indicator dyes. 6.8 - 7.2 b. 7. Which of the following is not related to microbes?a) Microbes are not ideal for biotechnologyb) Microbes produce chemicals during their metabolismc) Microbes can be grown on artificial mediumd) Microbes can live in highly acidic mediumAnswer: aClarification: Microbes can be grown on artificial cultures media where they form colonies. c) The optimum temperature for the growth of an organism must be above 50C d) Lactobacillus acidophilus The section contains MCQs on phages structure and morphology, bacterial viruses replication, lysogeny and lytic. 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. A test tube contains 9ml distilled water. c) an increase in the size of an individual organism The process is repeated several times until the requirement is met. Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a c) The optimum temperature for the growth of an organism must be above 50C. screening of microorganisms includes mcq; screening of microorganisms includes mcq. Primary screening of organic acids or amines producing organisms is done by__________, (2) Dye such as neutral red or bromothymol blue is used. a) Lactobacillus d) saprophytic 30 seconds. Best method of sterilization at commercial level is a) Hot air oven b) Autoclaving c) Radiation d) Sun light answer-C 5. d) Nitrosovibrio tenuis milk, meat, green vegetables, fruits, etc.) 6. a) fats 6. d) 2 micrometer in diameter 2. Which of the following statements is correct regarding secondary screening________. 6. 3. C) inoculation, fermentation, downstream processing, removal of waste. Answer: C [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). D) are harvested during the exponential phase of growth. The screening is isolation and detection of microorganisms of interest. Ans: The steps adopted in a typical sewage treatment plant are as given below: ADVERTISEMENTS: The following diagram shows an adenovirus: ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<, Your email address will not be published. In an ecosystem, herbivores represent. Which of the following dye is colourless at acidic pH and becomes red at basic pH? View Answer, 3. requires five blood samples . View Answer, 4. Which of the following method proceeds with 2-plate preparation? Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella . 6. D. Indicator dye technique. Who is considered the father of Western medicine? Complex media are prepared using digests of microbial, animal, or . b) Automatic Type Counter & Classifier It must be toxic to micro-organisms at concentrations well below the toxic thresholds of humans and higher animals so that it cannot negatively affect the animals or humans. A) heat below 100 oC. The well-isolated colonies are antibiotic producers with the zone of inhibition. 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. Which of the following is a type of fungal microorganism? b) Potato Dextrose Agar plate b) mycotic infection View Answer. Secondary screening helps in detecting really useful microorganisms in fermentation processes, which includes What is required for proper isolation of microorganisms? Nitrates maintain the red color of preserved meats and Viral hemagglutination assays only work with certain types of viruses because. The Gram staining is one of the most crucial staining techniques in microbiology. View Answer, 21. Clarification: The prototrophs are the organisms which are capable of synthesizing all the growth requirements by themselves whereas auxotroph is dependent on prototrophs. C. Enrichment Culture technique c) MacConkeys Agar plate c) ribitol or glycerol residues 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. Types of pathogens include specific bacteria strains, viruses, fungi, or parasites that can cause illness in its host. 1. Through primary screening only few or many microorganism that produce a industrially . B) using small scale containers to concentrate production. Which of the following method proceeds with 2-plate preparation? A skin biopsy test was performed and the infection was diagnosed to be a parasitic infection. The section contains questions and answers on energy utilization in biosynthetic and nonbiosynthetic processes, transcription and translation of genetic information and protein synthesis process. D) prevent mold. 8. The microorganisms are chosen based on the rest three criteria. Sugar fermentation test: Bacteria is grown in a sugar media. It is the organization which has the largest department of Research and Development. View Answer, 31. 10. Which of the following method is not used in isolation and screening of desired microorganisms? In the following diagram, what does the question mark represent?a) Ciliab) Flagellac) Haird) PseudopodiaAnswer: b A. Enrichment culture technique was developed by_________, 16. 12. C. 5 8 Which of the following is NOT a domain in Woese and Foxs phylogenetic tree? Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? It should have a fast rate of kill of micro-organisms. Which of the following gram positive bacteria is a strict anaerobe and can only grow in the absence of oxygen? c. confining long hair and loose clothing . (1) Microbial isolation technique is an attempt to grow microorganisms outside of their natural environment. Definition: true bacteria; bacteria excluding the archaea. The 1st plate is used to isolate and detect prototrophs whereas 2nd plate is used for identification of auxotrophs. All Rights Reserved. 3. 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. screening of microorganisms includes mcqwarning signs for a deteriorating patient with covid 19 infection 2022.07.03 18:36 18:36 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. In which of the following treatment involve oxidation of organic constituents of the wastewater? Contact Us. Often overlooked, hand-washing is one of the easiest and most effective ways to protect yourself from germs and most infections. Prokaryotes are unicellular microorganisms whose cells have no nucleus. d) glucose residues b) ribitol residues You can also download the PDF of Microbiology MCQs by applying below. d) All of the mentioned Which is the secondary stage? Place the gram of soil into the first tube with saline and SHAKE WELL. First link in any food chain is usually green plants because. View Answer, 19. b) Study of animals and their family Mycoplasma pneumoniae is an unusual bacteria with distinctive colonies which are. The section contains multiple choice questions and answers on soil microorganisms interactions, nitrogen, carbon and sulphur cycles, aquatic environment, aquatic microorganisms techniques and productivity. citation tool such as, Authors: Nina Parker, Mark Schneegurt, Anh-Hue Thi Tu, Philip Lister, Brian M. Forster. Thank you so much for sharing. screening of microorganisms includes mcq. Our mission is to improve educational access and learning for everyone. However, if environmental contamination can enter the system, pathogens could get in too. True. View Answer, 44. b) Antibiotic producers 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. c) Mycobacterium tuberculosis B) False, Yeast cells prefer aerobic conditions to multiply in number. b) Auxanographic technique a) Crowded plate technique Besides macroscopic plants and animals, microbes are the major components of biological systems on this earth. A. False. b) Killing pathogenic microorganisms c) Killing spores d) None of these answer-A 3. View Answer, 24. The common symptoms are pink or red spots on the skin surface, dry cough, and runny nose. (3) It provides information on whether the product formed by microorganisms is new or not. [2] The term for organisms that retain the . Clarification: The pH range of Bromophenol blue is 3.0 4.6. Clarification: The transfer of a 1ml solution to 9ml d/w is called as serial 10-fold dilution. During the test, You will take off your clothes below your waist. Which among the following are microaerophilic bacteria? Water treatment typically requires three stages to make it potable from sewage. Bioremediation of polluants utilizing biodegradation abilities of microorganisms include the natural attenuation, although it may be enhanced by engineered techniques, either by addition of selected microorganisms (bioaugmentation) or by biostimulation, where nutrients are added. b) The organism must be able to produce a high yield of product 2. View Answer, 32. Which of the following types of mutants can be isolated using the replica plate technique? Everything you need to know about water and wastewater microbiology. View Answer, 11. View Answer, 47. (1) Its a process for the detection and isolation of microorganisms of our interest. D) exposure. Measles is a disease caused by a virus, it is spread via respiratory droplets. View Answer, 12. 31) Name the bacteria of the Enterobacteriaceae family that have the following characteristics? pH, cations, thymidine or thymine, use of supplemented media). Answer: C Multiple Choice. B) False, Mass-produced microbial cells can be used as livestock feed. If you are redistributing all or part of this book in a print format, Which of the following are present in teichoic acids? A. A routine GTT: is three hours long. answer choices. 4. Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? For this dilution, it may be said that the solution was diluted _______ a) Phenol red plate It is important to find and resolve the source of the contamination. Microbial enzyme production concentrates on simple hydrolytic enzymes (proteases, amylases, pectinases) that degrade natural polymers such as proteins, starches, or pectin. A test tube contains 9ml distilled water. These microorganisms have been often under-appreciated and under-studied. Screens are made of long, closely spaced, narrow metal bars. a) Watson 25. a)Microaerophilic. Children are more susceptible to this disease. Which of the following is the standard resource for identifying bacteria? Which of the following is a correct usage of binomial nomenclature? Identify bacteriophage. B. c) Psychrophile d) Phenol red 4. D. The organism must be able to grow in an easily available nutrient medium. a) anaerobic cells In this process the bacterium, which is a single cell, divides into two identical daughter cells. Which of the following dye is colourless at acidic pH and becomes red at basic pH? 9. b) Thymol blue Butanol is obtained by fermenting molasses by. View Answer, 18. 12. View Answer, 9. c) Objective lens b. not washing hands before and after lab . c) Lactobacilli b) vitamins The section contains MCQs on chemotherapy historical highlights, antibiotics and their actions, microbiological assay of antibiotics, antifungal, antiviral and antitumour antibiotics. Answer: A View Answer, 40. Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? View Answer, 2. Who is known as the father of Microbiology? Rickettsia species are carried by. d) proteins Urinary tract infection was suspected, urine sample and swab specimen were taken and cultured on suitable agar media, a microscopic examination was performed. 11. b) 10-fold View Answer, 10. 12. Answer: D a) viruses a) Growth Factor producers 8. c) 1000-fold d) mitochondrial membrane It will immensely help anyone trying to crack an exam or an interview. Which of the following foods is NOT made by fermentation? c) American Type Counter Collection a) cytoplasmic membrane b) gamma rays and you must attribute OpenStax. C. Organic acid producers Done in one or few steps. 12. 5. 1g of soil is added to that test tube and the soil is allowed to settle down. a) Killing all microorganisms. For which viral disease, vaccine has been recently developed through the use of tissue culture? What is the name of the procedure performed under sterile conditions to eliminate E. coli is a sub-group of the fecal coliform group. Which of the following method is useful for the detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? Microscopic examination and culture of the sputum sample revealed gram-positive cocci that appear in chains. 6. The section contains MCQs on diseases caused by fungi and protozoa, therapeutic drugs for fungal treatment and protozoan diseases. b) Fungi B) False, Hot foods must be maintained above 60 oC to inhibit microbial growth. Aims and objectives. (4) This may be accomplished by paper, thin layer, chromatographic technique. All Rights Reserved. c) Organic acid producers D. Rose Bengal Agar plate. c) Spirochetes d) chitin, cellulose, or hemicellulose The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. View Answer, 28. d) American Type Classifier and Collection Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? Microbiology is the study of : 3. Your health care provider will insert a special tool called a speculum into your vagina. Want to cite, share, or modify this book? Answer: C Which of the following method is not used in isolation and screening of desired microorganisms? a) Edwin John Butler 8. b) Candida utilis A) radiation. c) magnetic fields a. Streptococcus pyogens b. Which of the following method is not used in isolation and screening of desired microorganisms? 15. Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. [2][3] S. aureus is found in the . Which among the following group of microorganisms are found in the ducts of cows mammary glands? c) 5 8 d) Coliforms d) Candida milleri a) site of generation of protonmotive force D. Indicator dye technique. APT test C. Elastase I D. Quantitative fecal fat testing: 6. Methyl red c) Study of organisms that are not visible to naked eyes MCQ.9):Which bacteria have flagella of amphitrichous type means the flagellum are present at both the sides? d) All of the mentioned A) True b) cell wall Universal aseptic techniques includes, Except a) Gown b) Mask c) Cough Etiquettes d) Hand washing answer-D 4. Which of the following is not a subfield of microbiology? 13. View Answer, 43. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? Which of the following method is not used in isolation and screening of desired microorganisms? Rhizobium bacteria. Which of the following is not microbe?a) Bacteriab) Protozoac) Viroidsd) WormsAnswer: dClarification: Microbes are diverse in nature and include- protozoa, bacteria, fungi and microscopic animal and plant viruses, viroids and also prions that are proteinaceous infectious agents. Lung infection was suspected, and a chest X-ray was performed which showed infection in both lungs. d) Shortest wavelength of visible light used and an objective with the maximum numerical aperture uses 100 grams of glucose in a 300ml solution. D) 134 oC for 1 second. View Answer, 14. What is the pH range of Bromophenol blue? Microorganism Definition. B) plasmolyzes bacteria and fungi. (1) It is useful in sorting microorganisms that have real commercial value. View Answer, 23. b) coliforms a) Cyanobacteria, Fungi and Viruses B) are by-products of metabolism that are not important to microbe function. 40) Biochemical tests are a common and conventional laboratory procedure in the differentiation and identification of enteric bacteria. It works best in this range and is also used as a tracking dye in Agarose-Gel Electrophoresis. Includes common viruses, bacteria, and parasites 1,2: Stool sample: Sensitive, certain positive results may be unrelated to active infection. 5. 4. B) inoculation, downstream processing, fermentation, removal of waste. Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? Which scientist proposed adding a kingdom for protists? 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.

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