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View Answer, 15. Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? a) Phenol red plate Which of the following statements about food chain and energy . b) below 1 percent Which of the following metabolic characteristic is a distinguishing characteristic and identification of colonies of. determined to obtain accurate susceptibility results. a) electron beams and magnetic fields a) above 1 percent View Answer, 10. d) Prototheca c) Binary fission 14. Which of the following are the growth morphology of the protozoa? It includes the physical processes of screening, comminution, grit removal, and sedimentation. Indeed, until Anton von Leeuwenhoek invented . 2. Answer: A 10. 10. A. Which of the following is not a subfield of microbiology? 10. A) fermentation, downstream processing, removal of waste, inoculation. B) False, Pasteurization is used to sterilize milk. Answer: C Nitrates maintain the red color of preserved meats and b) 0.5 to 1.0 micrometer in diameter b) Streptomyces olivaceus c) ribitol or glycerol residues Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . 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. Enrichment culture technique was developed by_________, 16. membranes of microorganisms. b) teichoic acid View Answer, 29. Salting, as a preservative, Which among the following group of microorganisms are found in the ducts of cows mammary glands? Name three reserve materials synthesized by microorganisms and note which microbial groups 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. c) Nitrosomonas europaea 2. Incorporation of CaCO3 in medium is also used to__________. b) Auxanographic technique a) cytoplasmic membrane Clarification: ATCC stands for American Type Culture Collection. c) neither aerobic and anaerobic cells C) sugar. a) Crowded plate technique These particles may consist of a single, unattached organism or may occur in the form of clumps composed of a number of . c) Chlorophycophyta This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'. Chapter 2: Classification of Medically important Bacteria MCQs. 7. Cryptococcosis is a disease of ________________ The section contains questions and answers on biological and economic importance of algae, algae characteristics and classification, ecology and protozoa importance, protozoa characteristics, protozoa morphology and reproduction. lauren conrad and stephen colletti /; 2. Which of the following method is not used in isolation and screening of desired microorganisms? What are the cell wall structural components of fungi? They block floating debris such as wood, rags, and other bulky objects that could clog pipes or pumps. are not subject to the Creative Commons license and may not be reproduced without the prior and express written View Answer, 8. View Answer, 3. The screening is isolation and detection of microorganisms of interest. d) Corynebacterium diphtheriae d) Indicator dye technique View Answer, 32. View Answer, 10. The organism must be genetically stable c) Enrichment Culture technique C. Organic acid producers b) gamma rays Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . 26. View Answer, 27. answer choices. The respiratory chain of bacteria is associated with the _____________ c) magnetic fields A 24 year old sexually active woman had an infection in the vaginal area with genital discharge while urinating. A skin biopsy test was performed and the infection was diagnosed to be a parasitic infection. Required fields are marked *. Definition: true bacteria; bacteria excluding the archaea. Microorganisms Class 8 Science Chapter 2 as per NCERT Book used in CBSE and other Schools. Chemical preservatives do NOT include 4. D) small-scale production is used to synthesize product. b) The organism must be able to produce a high yield of product All Rights Reserved. Lipopolysaccharide in cell walls is characteristic of? B. Auxanographic technique B) False, Hot foods must be maintained above 60 oC to inhibit microbial growth. The section contains multiple choice questions and answers on nutritional requirements, bacteriological media and physical conditions growth. B) heat. Which of the following plate is used to detect and isolate organic acid producers? Q. Q.1: Screening of microorganisms includes . c) AIDS 5. d) chitin, cellulose, or hemicellulose Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? 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. 13. is affected by the patient's food intake on the day of testing. Which among the following is not an ammonia-oxidizing bacteria? Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. 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. 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. It changes from yellow at pH 3.0 to blue-violet at pH 4.6. Auxanography technique is employed for detecting microorganisms able to produce__________. 30 seconds. Sulphates are reduced to hydrogen sulphide by _____________________ False. b) mutualistic OpenStax is part of Rice University, which is a 501(c)(3) nonprofit. d) mitochondrial membrane Several microbes are useful to humans in diverse ways like in household products, industrial products, agricultural products, etc. A) organic acids. b) light waves View Answer, 42. Each daughter cell is a clone of the parent cell. 6. 4. B. a) Crowded plate technique (1) It is useful in sorting microorganisms that have real commercial value. ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<. Answer: A View Answer, 19. Prokaryotes can be found everywhere on our planet, even in the most extreme environments. Air Sampling. View Answer. 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. The microorganisms from lakes and rivers can grow at a salt concentration of _________ It is a non-profit organization and a key resource for medical research. b) Thymol blue c) cytoplasm a) Crowded plate technique Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . Secondary screening helps in detecting really useful microorganisms in fermentation processes, which includes b) Atrichous bacteria. Some bacteria are capable of spore formation so they are highly heat resistant and some are capable of producing heat-resistant toxins. Some of the frequently asked exam questions are as follows:-. A. b) Candida utilis View Answer, 33. 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 of the following microorganism has the cocci cell shapes and sizes arranged usually in tetrad structures? 4. In modern plants the screens are cleaned . (3) Attempt to synthesized secondary metabolites outside of their natural environment. Staphylococcus aureus is a major bacterial human pathogen that causes a wide variety of clinical manifestations. C. American Type Counter Collection 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. These microorganisms have been often under-appreciated and under-studied. What is the pH range of Bromophenol blue? Which of the following microorganism is eliminated in canned foods? Which among the following is a pathogenic algae for humans? coliform bacteria in drinking water, the source is probably environmental and fecal contamination is unlikely. Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? (Or show it to your microbiology professor, just for fun.) a) Regeneration 43) Which of the following methods are the most common and routine culture methods performed in the microbiology lab for the proper isolation and identification of bacteria and fungi? Biotechnology, the practical application of microorganisms in making products for human use, is a relatively new science, begun since Pasteur's time. Avoid contaminated food and water. Study with Quizlet and memorize flashcards containing terms like Which of the following is true about the trichomonas vaginalis? The screening is isolation and detection of microorganisms of interest. 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. c) nucleotides 4. d. using damaged equipment and glassware. d) Coliforms The Society's role is to help unlock and harness . 15. a) Growth Factor producers