screening of microorganisms includes mcq

The science of using living systems to benefit humankind is called biotechnology.Technically speaking, the domestication of plants and animals through farming and breeding practices is a type of biotechnology. View Answer, 35. c) Chlorophycophyta d) Thermophile [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). 1. The section contains multiple choice questions and answers on soil microorganisms interactions, nitrogen, carbon and sulphur cycles, aquatic environment, aquatic microorganisms techniques and productivity. b) Syphilis 5. (3) It provides information on whether the product formed by microorganisms is new or not. 14. Clarification: Phenolphthalein has a pH range between 8.0 10.0. B) mass, controlled culture of microbes to synthesize products. C) sugar. 10. b) Ferdinand Cohn Candidiasis is a fungal infection, skin infection, and mouth or vaginal infection that can occur due to the overgrowth of the fungus. Complex media are prepared using digests of microbial, animal, or . It doesn't include viruses and prions because they are classified as non-living. Crowded plate technique a) peptidoglycan Children are more susceptible to this disease. [2] The term for organisms that retain the . c) Streptococcus thermophilus 1. What is required for proper isolation of microorganisms? 6.8 - 7.2 b. a) The organism must be genetically stable A sputum sample was taken for the lab diagnosis for the isolation and identification of the microorganism. Identification of bacteria by biochemical tests. First link in any food chain is usually green plants because. Vaccination was invented by ____________ Chemical preservatives do NOT include Crowded plate technique 1. During their metabolism, microbes produce chemicals, some of which are used by human beings. A) True Fermentation Technology Questions on Isolation and Screening of Industrially Important Microbes. Microorganisms are minute, unicellular organisms that aren't visible to the naked eye. View Answer, 12. The normal composition of feces includes all of the following except: A. Bacteria B. d) Gram-positive bacteria View Answer, 21. C. American Type Counter Collection Lung infection was suspected, and a chest X-ray was performed which showed infection in both lungs. chp 25 microbiology 211 mcq. Has three to five flagella at the posterior end B. Which of the following plate is used to detect and isolate organic acid producers? magic island poem tone Consult Now Defined media and complex media are two broad classes of culture media used in microbiology. D) exposure. b) cellulose 10. Full-form of ATCC is _________ b) ribitol residues Thank you so much for sharing. b. Which of the following is a prokaryotic microorganism? 10. View Answer, 2. C. Enrichment Culture technique A) True Self-Assessment Quiz. Clarification: The Antibiotic producers show the zone of inhibition. View Answer, 45. (2) Chemical, physical and biological properties of a product are also determined during secondary screening. Often overlooked, hand-washing is one of the easiest and most effective ways to protect yourself from germs and most infections. Rickettsia species are carried by. 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. Except where otherwise noted, textbooks on this site Protozoa that eat other organisms are known as _______________ 7. Which of the following statements is correct regarding secondary screening________. True 5. On the second day, the symptoms got worse and she was taken to the hospital. b) Jenner 9. the virus must be able to cross-link red blood cells directly. Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? View Answer, 42. includes 6 urine samples. Which of the following yeast can be used to produce microbial protein? To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. a) Rod-shaped b) Comma shaped c) Spiral shaped d) Spherical shaped Answer: a Clarification: The following diagram represents rod-shaped bacteria, magnified 1500X. c) prophage b) irregular The objective of this study was to isolate, identify, and screen the potential antimicrobial-producing . C. perfringens is a spore-forming bacteria, that produce H 2 S and hemolysis on blood agar. View Answer, 5. Staphylococcus aureus is a major bacterial human pathogen that causes a wide variety of clinical manifestations. D. American Type Classifier and Collection. 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. c) 2.5 to 4 percent Secondary metabolites C. Enrichment Culture technique They block floating debris such as wood, rags, and other bulky objects that could clog pipes or pumps. 2. Who is considered the "father of Western medicine"? 1. Biotechnology, the practical application of microorganisms in making products for human use, is a relatively new science, begun since Pasteur's time. 3. d) Measles A microorganism is a living thing that is too small to be seen with the naked eye. View Answer, 6. These particles may consist of a single, unattached organism or may occur in the form of clumps composed of a number of . a) Styloviridae For this dilution, it may be said that the solution was diluted _______ a) parasitic The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against. c) Streptococci. 4. Clarification: The prototrophs are the organisms which are capable of synthesizing all the growth requirements by themselves whereas auxotroph is dependent on prototrophs. Chapter 4: Clinical Virology MCQs. 40) Biochemical tests are a common and conventional laboratory procedure in the differentiation and identification of enteric bacteria. 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. As primary screening allows the detection and isolation of microorganisms which posses, potentially interesting industrial applications. Several microbes are useful to humans in diverse ways like in household products, industrial products, agricultural products, etc. Has two nuclei C. Forms cysts D. Has a sucking disc E. Survives well in ordinary water, even when this is hot or contains chlorine or detergents, Flagellate parasite is the cause of vulvovaginitis in women in . The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme is affected by the patient's food intake on the day of testing. a) Condenser lens b) The organism must be able to produce a high yield of product [2][3] S. aureus is found in the . ticks and fleas. A food chain comprising birds, green plants, fish and man. C) use of microbes in sewage and pollution control. c) Binary fission Which of the following is the primary screening method? The growth factor-like amino acids, vitamins promotes the growth of auxotrophic mutants. Which of the following is not related to microbes?a) Microbes are not ideal for biotechnologyb) Microbes produce chemicals during their metabolismc) Microbes can be grown on artificial mediumd) Microbes can live in highly acidic mediumAnswer: aClarification: Microbes can be grown on artificial cultures media where they form colonies. The process is repeated several times until the requirement is met. The screening is isolation and detection of microorganisms of interest. d) American Type Classifier and Collection Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. Trophic level in an ecosystem represents. Microorganisms Class 8 Science Chapter 2 as per NCERT Book used in CBSE and other Schools. A) are among the most widely used preservatives. Which of the following is the most accurate method for microbial assay of antibiotics? Which of the following plate is used to detect and isolate organic acid producers? a) glycerol residues c) Psychrophile C) 72 oC for 15 seconds. Phosphorus is essential component of __________ Prokaryotes are very flexible metabolically, so they are able to adjust their feeding to the available natural resources. c) Enrichment Culture technique Some of the frequently asked exam questions are as follows:-. B) False, Freezing at below -20 oC will kill most pathogenic food bacteria and inactivate toxins. Clarification: The use of Indicator Dye Technique is used for detection and isolation of the organisms which are organic acid producers. What is Microbiology? a) Vibrio cholerae Screens are made of long, closely spaced, narrow metal bars. b) mutualistic 8. c) chitin B) False, Yeast cells prefer aerobic conditions to multiply in number. Your health care provider will insert a special tool called a speculum into your vagina. D. The organism must be able to grow in an easily available nutrient medium. d) 6.4 8.0 For which viral disease, vaccine has been recently developed through the use of tissue culture? b) Corticoviridae 13. Which among the following are Spirochetes? milk, meat, green vegetables, fruits, etc.) 10. b) Budding Answer: A 1. 2. a) Crowded plate technique c) Peritrichous b) False Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single circular chromosome. A. Urinary tract infection was suspected, urine sample and swab specimen were taken and cultured on suitable agar media, a microscopic examination was performed. b) an increase in number of cells c) Desulfotomaculum sp. 7. D. 2-fold. C) inoculation, fermentation, downstream processing, removal of waste. consent of Rice University. D) prevent mold. A) organic acids. A) substrates are added to the system all at once and runs until product is harvested. B) using small scale containers to concentrate production. Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include Bacteria having clusters of flagella at both poles of cells are known as? c) American Type Counter Collection 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. b) Auxanographic technique d) Rose Bengal Agar plate Which isolation technique is most commonly used for colony isolation in the laboratory? 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 method is not used in isolation and screening of desired microorganisms? During the test, You will take off your clothes below your waist. b) Mesophile and psychrophile Question 6. a) Final treatment B. Who was the first to observe animalcules under the microscope? Answer: C How do you isolate microorganisms in the air? The colour of plate changes from red to yellow in the zone of organisms producing organic acid. C. Phenolphthalein d) saprophytic d) hydrophobic barrier and site of generation of protonmotive force Sugar fermentation test: Bacteria is grown in a sugar media. b) 8.0 10.0 A. A BV test is done in a similar way as a pelvic exam or Pap smear. Answer: D and you must attribute OpenStax. A 7 year old girl developed a sore throat and fever for 2 days. This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. As an Amazon Associate we earn from qualifying purchases. For this dilution, it may be said that the solution was diluted _______ The reason they are called microorganisms is that you can only see them when you use a microscope. Which of the following foods is NOT made by fermentation? Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? Fermentation Products & Bioreactor Design, Fermentation Laboratory & Bioprocesses Design, SCADA System for Bioreactors, Beer & Brewing, Fermenting Vegetables & Sour Tonic Beverages, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Fermentation Technology Questions and Answers Microbial Growth Kinetics FedBatch Culture, Next - Fermentation Technology Questions and Answers Preservation of Industrial Microorganisms, Certificate of Merit in Fermentation Technology, Fermentation Technology Certification Contest, Genetic Engineering Questions and Answers Database Screening and Screening by Nucleic Acid Hybridisation 1, Fermentation Technology Questions and Answers Improvement of Industrial Microorganisms, Fermentation Technology Questions and Answers Fermentation Products Recovery and Purification Chromatography, Genetic Engineering Questions and Answers Database Screening and Screening by Nucleic Acid Hybridisation 2, Mechanical Operations Questions and Answers Screening Equipments, Fermentation Technology Questions and Answers Microbial Growth Kinetics FedBatch Culture, Fermentation Technology Questions and Answers Aeration and Agitation Determination of Kla Values, Fermentation Technology Questions and Answers Microbial Growth Kinetics Continuous Culture, Fermentation Technology Questions and Answers Commercial Applications Surface, Submerged and Solid State Fermentation, Books on Engineering, Science and Technology, Chemical Process Technology MCQ Questions.