B. c) nucleotides A) manipulating the growth environment. c) neither aerobic and anaerobic cells determined to obtain accurate susceptibility results. C. American Type Counter Collection D. Phenol red. A) True The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme 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. Water treatment typically requires three stages to make it potable from sewage. uses 50 grams of glucose in a 500ml solution. It includes the physical processes of screening, comminution, grit removal, and sedimentation. Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. Protozoa that eat other organisms are known as _______________ c) Binary fission 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. Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include D. Indicator dye technique. a) Amphitrichous A) radiation. Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a b) Borrelia Answer: C lack of cell wall. The cell structure of gram positive and gram negative bacteria appear as the picture given below after the gram staining procedure, Gram positive bacteria Gram negative bacteria. Plasmodium divides by which of the following method most commonly? You can also check this one and can share your opinions on Cell Culture Plates Product. Chrysolaminarin is the reserved food of ___________________ d) Coliform bacteria. Identification of bacteria by biochemical tests. c) Enrichment Culture technique In an ecosystem, herbivores represent. c) Streptococcus thermophilus It is 50,000X magnified image of a bacterium. 4. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? 9. 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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) inhibit germination of botulism spores. You can also download the PDF of Microbiology MCQs by applying below. This reduces the cooling costs in large scale fermenters. Binary fission begins when the DNA of the bacterium divides into two (replicates). 4. C. Organic acid producers d) mitochondrial membrane 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. B. Good work practices include, a. smelling and tasting chemicals . D. Rose Bengal Agar plate. then you must include on every digital page view the following attribution: Use the information below to generate a citation. b) teichoic acid 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. Gram negative bacteria take the color of safranin stain and appear pink or red. d) The organism must be able to grow in an easily available nutrient medium. c) Streptococci. Which of the following are important primary screening techniques? 40) Biochemical tests are a common and conventional laboratory procedure in the differentiation and identification of enteric bacteria. It changes from yellow at pH 3.0 to blue-violet at pH 4.6. Which of the following are produced by microorganisms? b) cellulose 10. Auxanography technique is employed for detecting microorganisms able to produce__________. Growth Factor producers d) Corynebacterium diphtheriae is affected by the patient's food intake on the day of testing. Primary Screening of Microorganisms: Primary screening may be defined as detection and isolation of the desired microorganism based on its qualitative ability to produce the desired product like antibiotic or amino acid or an enzyme etc. A. Fecal occult blood B. Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? The microbes play a major role in nutrient cycling, decomposition, food spoilage, control and cause of diseases and biotechnology. Some of the frequently asked exam questions are as follows:-. Crowded plate technique Engineering 2023 , FAQs Interview Questions. 1. Through primary screening only few or many microorganism that produce a industrially . Which was the first disease for which a chemotherapeutic agent was used? 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. 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. c) Saccharomyces cerevisiae b) Viruses c) ribitol or glycerol residues Which of the following microorganism has the cocci cell shapes and sizes arranged usually in tetrad structures? How do you isolate microorganisms in the air? Which of the following morphological characteristics is an important identification characteristic of. d) Phenol red It doesn't include viruses and prions because they are classified as non-living. Primary methods to prevent food spoilage do NOT include A) True Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite. B. Auxanographic technique 13. d) Multiple fission Best method of sterilization at commercial level is a) Hot air oven b) Autoclaving c) Radiation d) Sun light answer-C 5. Q. Bacterial endospores are more resistant to antimicrobial control methods than all other microbial forms. d) Cristispira b) Ferdinand Cohn The section contains multiple choice questions and answers on bioenergetics principles, energy production by photosynthesis, anaerobic and aerobic processes. MCQ on Industrial Microbiology. a) Algae b) Streak-plate 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. a) Shortest wavelength of visible light used MCQ Questions for Class 8 Science: Ch 2 Microorganisms: Friend and Foe. Sulphur can be utilized by bacteria in the a. 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. b) Microbacteria View Answer, 18. b) 8.0 10.0 Incorporation of CaCO3 in medium is also used to__________. b) vitamins 4. Set up a series of 1/10 dilutions: a. Thank you so much for sharing. 3. a) electron beams and magnetic fields a) site of generation of protonmotive force a) Small pox C) new batches of microorganisms are screened for increased yield. 5. Chapter 2: Classification of Medically important Bacteria MCQs. D. Hanging Drop technique. Prokaryotes can be found everywhere on our planet, even in the most extreme environments. Clarification: The optimum temperature for the growth of an organism should be above 40C. Antibiotic producing microorganisms can be detected by the method__________, 5. 1999-2023, Rice University. Diagram and name four mechanisms bacteria use to transport materials across the cytoplasmic membrane. a) The organism must be genetically stable. Chemical preservatives do NOT include View Answer, 6. 3. True 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? b) mutualistic Microbiology Question Bank PDF book covers problem solving exam tests from microbiology textbook and practical book's chapters as: Chapter 1: Basic Mycology MCQs. b) 10-fold A) production of alcoholic beverages by microorganisms. Which among the following are microaerophilic bacteria? Which of the following was NOT a kingdom in Linnaeuss taxonomy? 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. Several microbes are useful to humans in diverse ways like in household products, industrial products, agricultural products, etc. 8. a) Styloviridae includes 6 urine samples. Who is considered the father of Western medicine? During their metabolism, microbes produce chemicals, some of which are used by human beings. a) viral infection Which is the secondary stage? a) glycerol residues 1. It is used to reduce the dense culture of cells to usable concentration. 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