1. a) Killing all microorganisms. The section contains MCQs on phages structure and morphology, bacterial viruses replication, lysogeny and lytic. 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. C. The optimum temperature for the growth of an organism must be above 50C 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. 1. Includes common viruses, bacteria, and parasites 1,2: Stool sample: Sensitive, certain positive results may be unrelated to active infection. Crowded plate technique Secondary screening can give information about, (1) The genetic instability in microbial cultures, (2) Number of products produced in a single fermentation, 8. 4. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? c) Bacillus thuringiensis What are the cell wall structural components of fungi? 11 junio, 2022. Which one of the following is called as the 'brewers yeast'. a) above 1 percent c) Crick A. a) Amphitrichous 9. determined to obtain accurate susceptibility results. b. Question 6. A. d) Phaeophycophyta It should have a fast rate of kill of micro-organisms. Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single circular chromosome. Defined media are prepared by adding precise amounts of highly purified inorganic or organic chemicals to distilled water. a) Cyanobacteria, Fungi and Viruses Clarification: The Enrichment culture technique is useful for the detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium. A) True Who proposed that swamps might harbor tiny, disease-causing animals too small to see? A routine GTT: is three hours long. Lung infection was suspected, and a chest X-ray was performed which showed infection in both lungs. The process is repeated several times until the requirement is met. Creative Commons Attribution License b) Rhodospirillum View Answer, 21. 4.0 SECONDARY SCREENING OF MICROORGANISMS . 2. The process is repeated several times until the requirement is met. b) The organism must be able to produce a high yield of product d) Mycoplasmas c) The optimum temperature for the growth of an organism must be above 50C. The organic acid producers produce acid which changes the colour of media and is thus detected easily. a) Condenser lens Full-form of ATCC is _________ B) False, When in doubt, throw it out. b) transposons b) Antibiotic producers b) cellulose 11. b) Longest wavelength of visible light used Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . a) American Type Culture Collection Which of the following microorganism has the cocci cell shapes and sizes arranged usually in tetrad structures? d) Malaria Crowded plate technique Label these plates 1/10 3 through 1/10 6. A) True 5. Which scientist proposed adding a kingdom for protists? Primary treatment removes material that will either float or readily settle out by gravity. 3. 37) Which of the following is the selective media used for the cultivation and isolation of. c) Nitrosomonas europaea Report an issue. b) Atrichous bacteria. First link in any food chain is usually green plants because. Which of the following method is useful for the isolation and detection of organisms having the ability to produce growth factors? Crowded plate technique is used for screening of____________. 4. D. 2-fold. Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? b) 10-fold A) are among the most widely used preservatives. Engineering 2023 , FAQs Interview Questions. All of the above. The section contains questions and answers on light microscope, microbial Stains, transmission and scanning electron microscope. 1. Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? c) 2.5 to 4 percent The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. b) ribitol residues D. Indicator dye technique. Easy detection of the small percentage of useful microorganism. d) chitin, cellulose, or hemicellulose Antibiotic producing microorganisms can be detected by the method__________, 5. C. Enrichment Culture technique Done in one or few steps. 10. Set up a series of 1/10 dilutions: a. (2) It determines which microorganisms can produce a compound. Which was the first disease for which a chemotherapeutic agent was used? Clean and disinfect surfaces that are touched often. 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. a) Edwin John Butler d) Coxiella burnetii 100-fold A) True 13. a) cellulose dehydrogenase Crowded plate technique A. Fecal occult blood B. View Answer, 2. 14. Bacteria or other organisms used in AST testing should be from a fresh culture, ii) the composition and preparation of the agar and broth media used (e.g. Answer: B 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. a) changes in the total population c) carbohydrates Answer: 4. 2011-2023 Sanfoundry. 2. c) magnetic fields a) Thiobacillus thiooxidans True d) saprophytic B. 3. Clarification: Phenol Red plate is used to detect and isolate organic acid producers. You can also download the PDF of Microbiology MCQs by applying below. Which of the following yeast can be used to produce microbial protein? B) False, Microbiology 17 immunization and immune Testi. What is the name of the procedure performed under sterile conditions to eliminate 4. 1. The Gram staining is one of the most crucial staining techniques in microbiology. The reason they are called microorganisms is that you can only see them when you use a microscope. b) RNA polymerase B) 62.3oC for 30 minutes. Answer: A a) Gram-negative organisms This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'. c) Objective lens (1) Microbial isolation technique is an attempt to grow microorganisms outside of their natural environment. Secondary metabolites 12. Air Sampling. D. The organism must be able to grow in an easily available nutrient medium. b) Auxanographic technique d) Corynebacterium diphtheriae b) Corticoviridae C lostridium perfringens is an obligate anaerobic bacteria that do not require oxygen to grow and thus it is not Microaerophilic, microaerophilic bacteria require low amounts of oxygen for growth. Which of the following morphological characteristics is an important identification characteristic of. View Answer, 30. 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. a) The organism must be genetically stable Answer: D It doesn't include viruses and prions because they are classified as non-living. View Answer, 36. Microscopic examination and culture of the sputum sample revealed gram-positive cocci that appear in chains. c) parasitic infection Dec 20, 2022 OpenStax. C. Enrichment Culture technique Each daughter cell is a clone of the parent cell. Which of the following is a prokaryotic microorganism? 6. d) Hanging Drop technique Which of the following are produced by microorganisms? The microorganisms from lakes and rivers can grow at a salt concentration of _________ Screening includes primary screening and secondary screening. View Answer, 40. 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. View Answer. Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . c) hydrophobic barrier d) Shortest wavelength of visible light used and an objective with the maximum numerical aperture A. Vaccination was invented by ____________ Chapter 2: Classification of Medically important Bacteria MCQs. Besides macroscopic plants and animals, microbes are the major components of biological systems on this earth. 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. Which among the following is not an ammonia-oxidizing bacteria? c) Enrichment Culture technique Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella . C. Enrichment Culture technique D. 6.4 8.0. A microorganism is a living thing that is too small to be seen with the naked eye. D) all of the above. and you must attribute OpenStax. a) Phenol red plate View Answer, 29. d. using damaged equipment and glassware. 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. What is the approximate size of the bacterial cell? b) Viruses Which of the following types of mutants can be isolated using the replica plate technique? Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. Full-form of ATCC is _________ It should not leave damage and odour. 5. View Answer, 7. Note when energy and additional compounds are necessary for any of these mechanisms to operate. Measles is a disease caused by a virus, it is spread via respiratory droplets. Clarification: The Crowded Plate Technique is used for the detection and isolation of the organisms which are antibiotic producers. a) Crowded plate technique Phosphorus is essential component of __________ b) Streptococcus lactis What does a viral DNA becomes after being associated with the bacterial chromosome? B) using small scale containers to concentrate production. d) Bacillus polymyxa Answer: B d) Pasteur A. b) light waves Tyrocidines are more effective against ___________________ (2) Attempt to kill microorganisms outside of their natural environment. Aims and objectives. Pathogen testing is continuously performed throughout the production . a) Styloviridae 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. 2. Who is considered the "father of Western medicine"? a) True d) both aerobic and anaerobic cells C. perfringens is a spore-forming bacteria, that produce H 2 S and hemolysis on blood agar. b) Streptomyces olivaceus Who is considered the father of Western medicine? c) Spirochaeta _______ are the agents that act as carriers of a pathogen and spread diseases. Ans: The steps adopted in a typical sewage treatment plant are as given below: ADVERTISEMENTS: In modern plants the screens are cleaned . View Answer, 3. All the microorganisms such as amoeba, protozoa, viruses, bacteria are studied under microbiology. View Answer, 4. Primary screening of organic acids or amines producing organisms is done by__________, (2) Dye such as neutral red or bromothymol blue is used. C. Organic acid producers a) Leuconostoc citrovorum 4. The screening is isolation and detection of microorganisms of interest. c) Chlorella Microbial enzyme production concentrates on simple hydrolytic enzymes (proteases, amylases, pectinases) that degrade natural polymers such as proteins, starches, or pectin. B) sulfites. d) gene Children are more susceptible to this disease. ticks and fleas. Allow discarding of many valueless microbes. A sputum sample was taken for the lab diagnosis for the isolation and identification of the microorganism. MCQ.9):Which bacteria have flagella of amphitrichous type means the flagellum are present at both the sides? The normal composition of feces includes all of the following except: A. Bacteria B. Microbiology is the study of living organisms that are not visible to the naked eyes. b) Treponema pallidum c) MacConkeys Agar plate Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes. d) Indicator dye technique Juli 2022 Bacteria having clusters of flagella at both poles of cells are known as? c) AIDS C. Phenolphthalein b) cell wall The section contains MCQs on chemotherapy historical highlights, antibiotics and their actions, microbiological assay of antibiotics, antifungal, antiviral and antitumour antibiotics. a) Small pox a) phospholipids D. Rose Bengal Agar plate. d) Eyepiece lens 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) False Clarification: The Antibiotic producers show the zone of inhibition. d) Indicator dye technique These are non-enveloped viruses with a double-stranded DNA genome.
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