screening of microorganisms includes mcq
2. Who is considered the "father of Western medicine"? The 1st plate is used to isolate and detect prototrophs whereas 2nd plate is used for identification of auxotrophs. Which of the following method proceeds with 2-plate preparation? Crowded plate technique View Answer, 39. Which of the following is a family of lambda phage viruses? 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. d) proteins It is the zone where only the growth of a particular colony is observed whereas rest all colonies get degraded by antibiotics. magic island poem tone Consult Now b) Magnifying lens What is the name of the procedure performed under sterile conditions to eliminate These particles may consist of a single, unattached organism or may occur in the form of clumps composed of a number of . b) Xanthophycophyta What is required for proper isolation of microorganisms? a) Phenol red plate View Answer, 44. False. B) mass, controlled culture of microbes to synthesize products. b) mutualistic (1) Screen organic acid-producing microbes. C. Enrichment Culture technique Our Environment Class 10 MCQ Question 6. c) Nitrosomonas europaea (2) Chemical, physical and biological properties of a product are also determined during secondary screening. Ch. 20 Multiple Choice - Microbiology | OpenStax Sugar fermentation test: Bacteria is grown in a sugar media. What are the cell wall structural components of fungi? What are the methods of isolating the pure culture of microorganisms? Wish you the best in your endeavor to learn and master Microbiology! 3. (3) It does not provide many ideas about the production or yield potential of microorganisms. For this dilution, it may be said that the solution was diluted _______ Which of the following inhibits DNA replication? d) Phaeophycophyta A. The methods for isolation and screening are a crowded plate, auxanography, enrichment culture and use of indicator dyes. a) Cyanobacteria, Fungi and Viruses b) The examination of the infection sites, c) They are prokaryotes in cellular organization. C) selecting microbial strains that lack a feedback system. c) Spirochetes 4. For which viral disease, vaccine has been recently developed through the use of tissue culture? 11. Which of the following is the example of encapsulated gram-positive bacteria? Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. requires five blood samples . D. Indicator dye technique. Phagocytosis (article) | Foundation 2: Cells | Khan Academy