screening of microorganisms includes mcq

Microbiology is the study of : 3. The growth factor-like amino acids, vitamins promotes the growth of auxotrophic mutants. View Answer, 19. c) base analog C) use of microbes in sewage and pollution control. 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. d) Primary treatment Engineering 2023 , FAQs Interview Questions, on 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers, Fermentation Technology Objective Questions, 300+ TOP MCQs on Database Screening and Screening by Nucleic Acid Hybridisation 1 and Answers, 300+ TOP MCQs on Database Screening and Screening by Nucleic Acid Hybridisation 2 and Answers, 250+ MCQs on Media for Industrial Fermentations Minerals, Growth Factors and Buffers and Answers, 250+ MCQs on Improvement of Industrial Microorganisms and Answers, 250+ TOP MCQs on Vibration Isolation and Transmissibility and Answers, 250+ TOP MCQs on Multiversion Schemes, Snapshot Isolation, 250+ TOP MCQs on Microbes in Industrial Products-3 and Answers, 250+ TOP MCQs on Microbes in Metal Containing Habitat and Answers, [12 Class Notes] MICROBES IN HUMAN WELFARE Biology CBSE, 250+ TOP MCQs on Microbes as Biofertilizers and Answers, 250+ TOP MCQs on Transaction Isolation Levels and Answers, 250+ TOP MCQs on Enzyme Extraction and Isolation Choice of Enzyme Sources and Answers, 250+ MCQs on Microbial Growth Kinetics Batch Culture and Answers, 200+ TOP CELL CULTURES and CHARACTERISTICS Interview Questions and Answers, 200+ TOP Microbiology Of Foods Interview Questions with Answers, 250+ TOP MCQs on Microbes in Industrial Products-2 and Answers, 250+ MCQs on Brewing Yeast Differentiation (Traditional Methods) and Answers, 250+ TOP MCQs on Microbes in Household Products-2 and Answers, 300+ TOP Cell Cultures & Characteristics Objective Questions and Answers, 300+ TOP Microbiology of Foods Objective Questions & Answers. Answer: 4. B) False, Freezing at below -20 oC will kill most pathogenic food bacteria and inactivate toxins. c) Chlorophycophyta View Answer, 48. c) Chlorella B. b) Thymol blue View Answer, 32. d) Study of microscope 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. In this process desired microorganism is generally isolated from a natural environment like soil, which . To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. B) heat. A) True Which of the following foods is NOT made by fermentation? a) Leuconostoc citrovorum Often overlooked, hand-washing is one of the easiest and most effective ways to protect yourself from germs and most infections. Screening of Microorganisms: Primary and Secondary Techniques (4) Attempt to Stain microorganisms. View Answer, 15. 2. Which of the following plate is used to detect and isolate organic acid producers? Microbial Food Spoilage- Types of microorganisms with examples a) Study of molecules that are visible to human eyes However, if environmental contamination can enter the system, pathogens could get in too. . Which of the following gram positive bacteria is a strict anaerobe and can only grow in the absence of oxygen? 5. Best method of sterilization at commercial level is a) Hot air oven b) Autoclaving c) Radiation d) Sun light answer-C 5. As an Amazon Associate we earn from qualifying purchases. The objective of this study was to isolate, identify, and screen the potential antimicrobial-producing . 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. Which of the following is the primary screening method? Answer: B 250+ MCQs on Isolation and Screening of Industrially Important Microbes C) is used to prevent growth of halophiles. (4) This may be accomplished by paper, thin layer, chromatographic technique. 4. Which of the following is the most accurate method for microbial assay of antibiotics? a) Edwin John Butler d) Mycoplasmas Q. Vegetative bacteria are able to withstand adverse conditions better than protozoan cysts. 4. c) Breads c) magnetic fields View Answer, 14. Biodegradation: Involved Microorganisms and Genetically Engineered Plasmodium divides by which of the following method most commonly? Microorganism - Definition, Types, Examples & Quiz - Biology Dictionary View Answer, 13. 2. b) False Enrichment culture technique was developed by_________, 16. 2. d) Photosynthetic sulfur bacteria D. Indicator dye technique. View Answer, 26. d) Indicator dye technique 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? 12. 6. b) Acanthopeltis Microbial enzyme production concentrates on simple hydrolytic enzymes (proteases, amylases, pectinases) that degrade natural polymers such as proteins, starches, or pectin. Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. ticks and fleas. C. Enrichment Culture technique D. Phenol red. c) 2mm in diameter The microorganisms from lakes and rivers can grow at a salt concentration of _________ Name three reserve materials synthesized by microorganisms and note which microbial groups Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. True. Which among the following are microaerophilic bacteria? a) x-rays d) proteins 10-fold c) Lactobacilli 11. A. a) Regeneration B) nutrients are continuously fed into the reactor and the product is siphoned off during the run. screening of microorganisms includes mcq Clarification: The use of Indicator Dye Technique is used for detection and isolation of the organisms which are organic acid producers. Secondary screening helps in detecting really useful microorganisms in fermentation processes, which includes 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. answer choices. Which microorganism(s) among the following perform photosynthesis by utilizing light? c. confining long hair and loose clothing . C. perfringens is a spore-forming bacteria, that produce H 2 S and hemolysis on blood agar. It will immensely help anyone trying to crack an exam or an interview. B. Auxanographic technique Microbes are certainly ideal for biotechnology. c) Microviridae This book uses the 3. The section contains multiple choice questions and answers on soil microorganisms interactions, nitrogen, carbon and sulphur cycles, aquatic environment, aquatic microorganisms techniques and productivity. It should not leave damage and odour. b) an increase in number of cells View Answer, 23. C. Enrichment Culture technique c) Objective lens The section contains questions and answers on diseases caused by staphylococcus, streptococcus, corynebacterium, aerobic and anaerobic gram, viruses containing single and double stranded dna. D) prevent mold. D) 134 oC for 1 second. 3. Who was the first to observe "animalcules" under the microscope? 7: Isolation of an Antibiotic Producer from soil 1g of soil is added to that test tube and the soil is allowed to settle down. chipotle corporate phone number . View Answer, 11. b) below 1 percent B) False, HACCP Hazard Analysis and Critical Control Point uses random samples for quality control of the food supply. Clarification: The Auxanographic technique is used for the detection and isolation of the organisms which are growth factor producers. What is high throughput screening used for? 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. A. a) Bacillariophycophyta The reason they are called microorganisms is that you can only see them when you use a microscope. Biology Multiple Choice Questions on Microbes. c) Peritrichous Which one of the following organisms is least likely to cause this illness? Fermentation Technology Questions on Isolation and Screening of Industrially Important Microbes. Which of the following types of mutants can be isolated using the replica plate technique? Screening includes primary screening and secondary screening. Microbes and the Tools of Genetic Engineering - Course Hero b) transposons magic island poem tone Consult Now 4. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? answer choices. c) DNA polymerase I Cellulose is degraded to cellobiose by the enzyme __________________ Antibiotic producers b) Auxanographic technique All of the above. Growth Factor producers d. using damaged equipment and glassware. d) Measles 2. 5. determined to obtain accurate susceptibility results. It includes the physical processes of screening, comminution, grit removal, and sedimentation. Question 6. The serial dilutions of soil are performed and spread on a Petri plate and allowed to grow. This is one of the widely used methods and more important. How do you isolate microorganisms in the air? A) True B. Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? 15. b) aerobic cells 1g of soil is added to that test tube and the soil is allowed to settle down. Defined media and complex media are two broad classes of culture media used in microbiology. Which of the following is a family of lambda phage viruses? b) Syphilis a) Crowded plate technique Detrimental effects of microorganisms in food include, Fermentation of grains usually results in production of, During malting, barley and other grains are broken down by, Milk fermentation to produce cheese is done initially by inoculating with, Pickles and sauerkraut share a common inoculum, which is. Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? a) 3.0 4.6 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. B) inoculation, downstream processing, fermentation, removal of waste. Bacteria having clusters of flagella at both poles of cells are known as? C) selecting microbial strains that lack a feedback system. A 7 year old girl developed a sore throat and fever for 2 days. Isolation, Characterization, and Screening of Antimicrobial-Producing a) Cephaleuros The microorganisms secrete the enzymes into their nutrient medium to make better use of it. D. Hanging Drop technique. View Answer, 5. Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite. 4. Biotechnology, the practical application of microorganisms in making products for human use, is a relatively new science, begun since Pasteur's time. The microbes play a major role in nutrient cycling, decomposition, food spoilage, control and cause of diseases and biotechnology. Clean and disinfect surfaces that are touched often. d) electron beams Microorganisms - Groups, Characteristics, Importance and Uses - VEDANTU b) Advanced treatment ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<. 8. Water and Wastewater Microbiology (Exam Questions) Which of the following are true for cytoplasmic membrane? Microscopic examination and culture of the sputum sample revealed gram-positive cocci that appear in chains. Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? The principal microorganism for yogurt is ______________________ b) hexokinase b) irregular a) American Type Culture Collection b. not washing hands before and after lab . 8. Some examples of Spherical shaped bacteria include Staph aureus, Staph epidermidis, Staph haemolyticus, Strep pyrogenes, etc. What is the pH range of Bromophenol blue? [1] Often the first test performed, gram staining involves the use of crystal violet or methylene blue as the primary color. Our Environment Class 10 MCQ Question 6. Which of the following is not microbe?a) Bacteriab) Protozoac) Viroidsd) WormsAnswer: dClarification: Microbes are diverse in nature and include- protozoa, bacteria, fungi and microscopic animal and plant viruses, viroids and also prions that are proteinaceous infectious agents. It belongs to the phthalein family that is employed as an acid-base indicator. Lipopolysaccharide in cell walls is characteristic of? c) The optimum temperature for the growth of an organism must be above 50C These extracellular enzymes break up the giant molecules of the substrate into smaller ones that can feed the microorganisms. The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. d) 5 percent b) plaque Screening of Industrially Important Microorganism - Learn Insta 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. 1. d) Gram-positive bacteria (2) It determines which microorganisms can produce a compound. d) hydrophobic barrier and site of generation of protonmotive force Full-form of ATCC is _________. He came with a lesion on the lower part of the left leg that according to him first appeared about a week before visiting the hospital. D) are harvested during the exponential phase of growth. MCQs Bacteriology (1-10): With Answers and Explanations d) Indicator dye technique 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. The section contains multiple choice questions and answers on nutritional requirements, bacteriological media and physical conditions growth. Acridine orange is which type of mutagen?

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