View Answer, 25. d) electron beams View Answer, 2. Who is known as the father of Microbiology? d) Amino acid producers requires five blood samples . The section contains MCQs on phages structure and morphology, bacterial viruses replication, lysogeny and lytic. B) False, Mass-produced microbial cells can be used as livestock feed. Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. Tyrocidines are more effective against ___________________ Types of pathogens include specific bacteria strains, viruses, fungi, or parasites that can cause illness in its host. a) Small pox Chemical preservatives do NOT include b) aerobic cells Which of the following yeast can be used to produce microbial protein? b) Streptococcus lactis Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a During their metabolism, microbes produce chemicals, some of which are used by human beings. then you must include on every digital page view the following attribution: Use the information below to generate a citation. D. Indicator dye technique. a) Styloviridae You will lie on your back on an exam table, with your feet in stirrups. 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. Pathogen testing is used to identify pathogenic organisms in manufacturing environments, ingredients or finished products that could harm the consumer. C) is used to prevent growth of halophiles. Microbiology Question Bank PDF book covers problem solving exam tests from microbiology textbook and practical book's chapters as: Chapter 1: Basic Mycology MCQs. 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The organic acid producers produce acid which changes the colour of media and is thus detected easily. MCQ.8): In which of the following bacterial condition, fimbriae helps the bacteria to stick to the mucous membrane of the host? Which of the following are produced by microorganisms? Which of the following plate is used to detect and isolate organic acid producers? Biotechnology, the practical application of microorganisms in making products for human use, is a relatively new science, begun since Pasteur's time. The section contains multiple choice questions and answers on morphology, reproduction, physiology and fungi cultivation, fungi classification and special interest. c) Crick Therefore, the exact composition of a defined medium is known. Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? It is done by using paper, thin layer or other chromatographic techniques. MCQ on Industrial Microbiology. Now that you have read Lesson 5 and have completed the exercises, you should be ready to take the self-assessment quiz. Microbes are certainly ideal for biotechnology. View Answer, 18. View Answer, 30. 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 types of mutants can be isolated using the replica plate technique? (1) Optimal temperature for growth, (2) Optimal oxygen requirements, (3) Optimal nutritional needs (4) All of the above. 2. Done in one or few steps. Place the gram of soil into the first tube with saline and SHAKE WELL. A routine GTT: is three hours long. d) Mycoplasmas B) False, When in doubt, throw it out. 6. 7. 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. C. American Type Counter Collection 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. Which of the following are true for cytoplasmic membrane? a) Edwin John Butler Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include However, if environmental contamination can enter the system, pathogens could get in too. 2. c) Streptococcus thermophilus b) Clostridium botulinum Due to the climatic and geographical diversity of Nepal, a wide range of microorganisms with potent source of antimicrobials are available. Water treatment typically requires three stages to make it potable from sewage. E. coli is a sub-group of the fecal coliform group. A. A) True 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. 1. View Answer, 12. d) Primary treatment Secondary screening helps in detecting really useful microorganisms in fermentation processes, which includes, (1) Detection and isolation of microorganisms that possess potentially interesting industrial application, (3) It helps in providing information regarding the product yield potentials of different isolates. It works best in this range and is also used as a tracking dye in Agarose-Gel Electrophoresis. You may refer to the lesson text whenever you are unsure of the answer. In an ecosystem, herbivores represent. Secondary screening may be qualitative and quantitative in its approach. Defined media and complex media are two broad classes of culture media used in microbiology. Microbiology is the study of : 3. a) x-rays 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. Genetic engineering is also used to improve the biodegradation . b) an increase in number of cells 14. Microorganisms Class 8 Science Chapter 2 as per NCERT Book used in CBSE and other Schools. a) Growth Factor producers d) saprophytic View Answer, 3. B) False, Hot foods must be maintained above 60 oC to inhibit microbial growth. D) removal of waste, inoculation, fermentation, downstream processing. Growth of bacteria or microorganisms refer to __________________ B. The Microbiology Society has a vision and mission around which we base our strategy. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? d) All of the mentioned C. Enrichment Culture technique A test tube contains 9ml distilled water. In which of the following treatment involve oxidation of organic constituents of the wastewater? Bacterial cell grown on hydrocarbon wastes from the petroleum industry are a source of _____________ 5. b) ribitol residues View Answer, 16. Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. The bacterial cell then elongates and splits into two daughter cells each with identical DNA to the parent cell. a) cytoplasmic membrane 13. The following diagram represents ____________a) Plate with wormsb) Colonies of bacteria on a petri dishc) Onion root cells on a plated) Cheek cellsAnswer: bClarification: The following diagram represents colonies of bacteria on a petri dish. View Answer, 44. 1. 12. View Answer, 7. a) True . View Answer. Which among the following are Spirochetes?