d) Physical assay It is important to find and resolve the source of the contamination. d) Lactobacillus acidophilus Microorganisms are minute, unicellular organisms that aren't visible to the naked eye. All of the above. a) Alcoholic beverages Glycolysis can occur in ___________ Which of the following is NOT a criterion for the choice of an organism? View Answer, 33. View Answer, 8. Answer: B Symptoms include cough and lung infection. Screens are made of long, closely spaced, narrow metal bars. 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. a) 100-fold Creative Commons Attribution License c) Psychrophile B. Thymol blue True 11 junio, 2022. Answer: 4. 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. 6. You will get a gown or sheet as a cover. B) False, Pasteurization is used to sterilize milk. d) 2 micrometer in diameter Which of the following method is not used in isolation and screening of desired microorganisms? 10. 10. This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. D. Indicator dye technique. OpenStax is part of Rice University, which is a 501(c)(3) nonprofit. Plasmodium divides by which of the following method most commonly? C. Enrichment Culture technique 3. Lipopolysaccharide in cell walls is characteristic of? Which one of the following is called as the 'brewers yeast'. Identification of bacteria by biochemical tests. Full-form of ATCC is _________. (1) Screen organic acid-producing microbes. 1. a) Condenser lens Secondary screening helps in detecting really useful microorganisms in fermentation processes, which includes The section contains MCQs on chemotherapy historical highlights, antibiotics and their actions, microbiological assay of antibiotics, antifungal, antiviral and antitumour antibiotics. a) above 1 percent b) Clostridium botulinum b) Auxanographic technique A. Which of the following gram positive bacteria is a strict anaerobe and can only grow in the absence of oxygen? The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. Clarification: Hanging drop technique is used for motility testing of bacteria. (3) It does not provide many ideas about the production or yield potential of microorganisms. b) False View Answer, 31. d) Coliforms Who is considered the father of Western medicine? Air Sampling. c) American Type Counter Collection This is one of the widely used methods and more important. B) nutrients are continuously fed into the reactor and the product is siphoned off during the run. c) AIDS Which of the following is not a subfield of microbiology? C. Enrichment Culture technique d) Pedoviridae Gram positive bacterial cell wall takes the stain of crystal violet and appears, BIOCHEMISTRY, BIOMEDICINE & PHARMACEUTICS, Classification and identification of microorganisms, Branched Chain Amino Acid Metabolism and Maple Syrup Urine Disease, drugs for the treatment of cardiovascular diseases, MEDICAL MICROBIOLOGY gastrointestinal tract, Nosocomial infection/ hospital acquired infections, Lipid Metabolism: MCQs (Cholesterol, Triglycerides, and Other Lipids), MCQs on Sterilization and Disinfection - Decontamination, aseptic processes in laboratory and hospitals, Carbohydrate Metabolism: MCQ on Glycolysis & Gluconeogenesis. Which of the following method is not used in isolation and screening of desired microorganisms? a) Gram-negative organisms 6. lauren conrad and stephen colletti /; 2. 4.1: Prokaryote Habitats, Relationships, and Microbiomes. b) The examination of the infection sites, c) They are prokaryotes in cellular organization. Which of the following are true for cytoplasmic membrane? View Answer, 3. b) plaque Viral hemagglutination assays only work with certain types of viruses because. 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. All microbes are harmful to humankind.a) Trueb) FalseAnswer: bClarification: Although microbes cause a large number of diseases in human beings, various animals and plants, but not all microbes are harmful. Children are more susceptible to this disease. View Answer, 2. a) S mallpox C. Organic acid producers b) aerobic cells (3) It provides information on whether the product formed by microorganisms is new or not. Your email address will not be published. The reason they are called microorganisms is that you can only see them when you use a microscope. You will lie on your back on an exam table, with your feet in stirrups. Which of the following method is not used in isolation and screening of desired microorganisms? The section contains MCQs on selective methods, pure cultures and cultural characteristics. 2. 11. Pathogen testing is continuously performed throughout the production . C. Enrichment Culture technique Automatic Type Counter & Classifier The section contains multiple choice questions and answers on normal flora, human host, normal flora distribution, microbial adherence, epithelial cell layers penetration and microbial virulence factors. c) Gram-negative bacteria b) Rabies B) False, Microbiology 17 immunization and immune Testi. Methyl red 3. C. 5 8 False. A. d) glucose residues b) Nitrosococcus oceanus Answer: D This quiz is designed to help you assess how well you have learned the content of this lesson. A) retards growth of Staphylococcus aureus. Biological contaminants occur in the air as aerosols and may include bacteria, fungi, viruses, and pollens. View Answer, 24. The respiratory chain of bacteria is associated with the _____________ First link in any food chain is usually green plants because. C. perfringens is a spore-forming bacteria, that produce H 2 S and hemolysis on blood agar. Our members have a unique depth and breadth of knowledge about the discipline. c) base analog Binary fission begins when the DNA of the bacterium divides into two (replicates). Set up a series of 1/10 dilutions: a. 30 seconds. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? Which isolation technique is most effective? A 24 year old sexually active woman had an infection in the vaginal area with genital discharge while urinating. b) Corticoviridae A) substrates are added to the system all at once and runs until product is harvested. Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include Which of the following are the growth morphology of the protozoa? c) Study of organisms that are not visible to naked eyes b) Auxanographic technique [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). Study with Quizlet and memorize flashcards containing terms like Which of the following is true about the trichomonas vaginalis? A. Types of pathogens include specific bacteria strains, viruses, fungi, or parasites that can cause illness in its host. [2] The term for organisms that retain the . d) Cristispira a) site of generation of protonmotive force c) prophage 12. Juli 2022 For which viral disease, vaccine has been recently developed through the use of tissue culture? The section contains questions and answers on sanitary quality of water, wastewater, treatment processes, fresh foods microbial flora, food preservation and microorganisms. The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme Clarification: Phenol Red plate is used to detect and isolate organic acid producers. D. Amino acid producers. The bacterium Staphylococcus aureus is which type of bacteria? View Answer, 26. screening of microorganisms includes mcqwarning signs for a deteriorating patient with covid 19 infection 2022.07.03 18:36 18:36 b) Acanthopeltis The section contains questions and answers on light microscope, microbial Stains, transmission and scanning electron microscope. Which of the following are produced by microorganisms? 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? What are the cell wall structural components of fungi? 11. MCQ on Industrial Microbiology. b) The organism must be able to produce a high yield of product View Answer, 8. d) mitochondrial membrane Clarification: The Crowded Plate Technique is used for the detection and isolation of the organisms which are antibiotic producers. What is the name of the procedure performed under sterile conditions to eliminate B) inhibit germination of botulism spores. A routine GTT: is three hours long. c) ribitol or glycerol residues Which of the following types of microorganisms is photosynthetic? B) mass, controlled culture of microbes to synthesize products. Most E. coli bacteria are harmless and are found in great quantities in the intestines of people and warm-blooded animals. a) Thiobacillus thiooxidans Growth Factor producers A. Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. D. 6.4 8.0. 1. c) Organic acid producers c) Mycobacterium tuberculosis determined to obtain accurate susceptibility results. c) Objective lens d) 6.4 8.0 11. (3) Attempt to synthesized secondary metabolites outside of their natural environment. C. American Type Counter Collection a) electron beams and magnetic fields Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. 9. Antibiotic producing microorganisms can be detected by the method__________, 5. b) below 1 percent b) coliforms a) peptidoglycan Dec 20, 2022 OpenStax. c) Crick a) 3.0 4.6 b) Microbacteria Complex media are prepared using digests of microbial, animal, or . a) Crowded plate technique The Microbiology Society has a vision and mission around which we base our strategy. Bacteria having clusters of flagella at both poles of cells are known as? d) Nitrosovibrio tenuis Performance and sterility testing of media lots should also be determined and The organism must be able to produce a high yield of product a) Leuconostoc citrovorum Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. Which among the following is a pathogenic algae for humans? View Answer, 43. It is further followed by secondary screening, to check the capabilities and gain information about these organisms. c) Mumps a) Crowded plate technique A sputum sample was taken for the lab diagnosis for the isolation and identification of the microorganism. Identify bacteriophage. D. Indicator dye technique. a) The organism must be genetically stable. 10. 8. The methods for isolation and screening are a crowded plate, auxanography, enrichment culture and use of indicator dyes. b) Auxanographic technique a) cellulose dehydrogenase Note when energy and additional compounds are necessary for any of these mechanisms to operate. The section contains multiple choice questions and answers on soil microorganisms interactions, nitrogen, carbon and sulphur cycles, aquatic environment, aquatic microorganisms techniques and productivity. 3. Which of the following method is useful for the isolation and detection of organisms having the ability to produce growth factors? a) Mesophile Cystic fibrosis is an inherited disease, infection in the lungs and digestive system. The common symptoms are pink or red spots on the skin surface, dry cough, and runny nose. Answer: B b) Xanthophycophyta Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella . View Answer, 46. 3.0 4.6 Answer: D a) anaerobic cells In which of the following treatment involve oxidation of organic constituents of the wastewater? These microorganisms have been often under-appreciated and under-studied. View Answer, 44. 12. 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. d) Photosynthetic sulfur bacteria c) chitin A) are among the most widely used preservatives. 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, Sugar fermentation test: Bacteria is grown in a sugar media. Thank you so much for sharing. View Answer, 6. The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against. B) False, Mass-produced microbial cells can be used as livestock feed. Some strains, however, can cause illness. then you must include on every digital page view the following attribution: Use the information below to generate a citation. 44) Which of the following microorganisms can grow only as strict intracellular parasites? b) Viruses b) gamma rays In modern plants the screens are cleaned . D) are harvested during the exponential phase of growth. A) are essential to microbe function. a) True Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . 1999-2023, Rice University. What is Microbiology? 6. c) Bacillus thuringiensis C) maintain a high osmotic pressure to kill microorganisms. View Answer, 40. Each daughter cell is a clone of the parent cell. The screening is isolation and detection of microorganisms of interest. Which of the following metabolic characteristic is a distinguishing characteristic and identification of colonies of. View Answer, 9. In the following diagram, what does the question mark represent?a) Ciliab) Flagellac) Haird) PseudopodiaAnswer: b c) fecal streptococci a) Crowded plate technique 1. Glycosylated hemoglobin: causes sickle cell anemia. Microorganism Definition. View Answer, 15. c) Lactobacilli d) electron beams Indeed, until Anton von Leeuwenhoek invented . View Answer, 30. Measles is a disease caused by a virus, it is spread via respiratory droplets. Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes. What does a viral DNA becomes after being associated with the bacterial chromosome? B. 4. Which organisms show the zone of inhibition grown on a Petri plate? (Or show it to your microbiology professor, just for fun.) 6. uses 50 grams of glucose in a 500ml solution. It is colourless at pH 8.0 and becomes red at pH above 10.0. 4. 5. Microbes are certainly ideal for biotechnology. the virus must be able to lyse red blood cells. False. 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. The section contains MCQs on microorganisms, industry, industrial uses of bacteria, molds and yeasts, genotypic changes, bacterial recombination and conjugation, bacterial transduction and transformation. View Answer, 4. 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) transposons Rhizobium bacteria. C) use of microbes in sewage and pollution control. d) Shortest wavelength of visible light used and an objective with the maximum numerical aperture 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. Primary methods to prevent food spoilage do NOT include c) Chlorella a) Spread-plate Which of the following is NOT a domain in Woese and Foxs phylogenetic tree? Wash your hands with soap and water for at least 20 seconds. E. coli is a sub-group of the fecal coliform group. Chrysolaminarin is the reserved food of ___________________ Which of the following is the primary screening method? What is the pH range of Bromophenol blue? a) Algae Engineering 2023 , FAQs Interview Questions, on 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers, Fermentation Technology Objective Questions, 300+ TOP MCQs on Database Screening and Screening by Nucleic Acid Hybridisation 1 and Answers, 300+ TOP MCQs on Database Screening and Screening by Nucleic Acid Hybridisation 2 and Answers, 250+ MCQs on Media for Industrial Fermentations Minerals, Growth Factors and Buffers and Answers, 250+ MCQs on Improvement of Industrial Microorganisms and Answers, 250+ TOP MCQs on Vibration Isolation and Transmissibility and Answers, 250+ TOP MCQs on Multiversion Schemes, Snapshot Isolation, 250+ TOP MCQs on Microbes in Industrial Products-3 and Answers, 250+ TOP MCQs on Microbes in Metal Containing Habitat and Answers, [12 Class Notes] MICROBES IN HUMAN WELFARE Biology CBSE, 250+ TOP MCQs on Microbes as Biofertilizers and Answers, 250+ TOP MCQs on Transaction Isolation Levels and Answers, 250+ TOP MCQs on Enzyme Extraction and Isolation Choice of Enzyme Sources and Answers, 250+ MCQs on Microbial Growth Kinetics Batch Culture and Answers, 200+ TOP CELL CULTURES and CHARACTERISTICS Interview Questions and Answers, 200+ TOP Microbiology Of Foods Interview Questions with Answers, 250+ TOP MCQs on Microbes in Industrial Products-2 and Answers, 250+ MCQs on Brewing Yeast Differentiation (Traditional Methods) and Answers, 250+ TOP MCQs on Microbes in Household Products-2 and Answers, 300+ TOP Cell Cultures & Characteristics Objective Questions and Answers, 300+ TOP Microbiology of Foods Objective Questions & Answers. 15. The section contains multiple choice questions and answers on nutritional requirements, bacteriological media and physical conditions growth. 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. B. 38) All of the following statements are correct about the most common bacteriological media called sheep blood agar that is used in the microbiology laboratory, b) Used for the culture of common fastidious bacteria, c) It is used for the culture of hemolytic bacteria. b) Fermented dairy products c) Microviridae a) Phenol red plate The section contains multiple choice questions and answers on morphology, reproduction, physiology and fungi cultivation, fungi classification and special interest. 1215, 1216 137, 1217 Particles in a biological aerosol usually vary in size from <1 m to 50 m. (2) Chemical, physical and biological properties of a product are also determined during secondary screening. Prokaryotes are unicellular microorganisms whose cells have no nucleus. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . It is the zone where only the growth of a particular colony is observed whereas rest all colonies get degraded by antibiotics. 5. a) Crowded plate technique the virus must not be able to lyse red blood cells. Which of the following method can be used to determine the number of bacteria quantitatively? Some bacteria are capable of spore formation so they are highly heat resistant and some are capable of producing heat-resistant toxins. Full-form of ATCC is _________ b) Streak-plate b) mutualistic Answer: 1. d) spherical (2) It determines which microorganisms can produce a compound. (1) It is useful in sorting microorganisms that have real commercial value. 6. Which one of the following organisms is least likely to cause this illness? D) A and C . c) Chemical assay Which is the secondary stage? a) Lactobacillus b) 0.5 to 1.0 micrometer in diameter View Answer, 11. c) Phenolphthalein Place the gram of soil into the first tube with saline and SHAKE WELL. 11. Which of the following foods is NOT made by fermentation? 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