Preservatives 6. A two hour discussion on physiology topics and their applied MCQs. Add a Comment Cancel reply. They can be produced from either synthetic or natural raw materials and their versatility makes them key to both the quality of … Get PDF of Power point presentation here : https://goo.gl/TRxIAl Get Entire 2 hour video here : https://goo.gl/SrQBcL. 13) Which is most useful to predict the risk of NRDS? A) They originate in bone marrow. In the dyeing of textiles, surfactants help the dye penetrate the fabric evenly. SURFACE TENSION PAPER – 2: 3. Here, you will discover the NEET Chemistry MCQ Questions for all Concepts as per the latest syllabus. b) It has an effect only on the solubility of nonionic surfactants. Sources of biosurfactants: Many of the biosurfactant producing microorganisms are found to be hydrocarbon degraders (Willumsen and Karlson, 1997; Volkering et al., 1998).However in the past decades, many studies have showed the effects of microbially produced surfactants not only on bioremediation but also on enhanced oil recovery (Volkering et al., 1998; Tabatabaee et al., 2005). 8) What is the most important step in metabolism of surfactant? HEPA filters are used to remove microbes from, Bacteria living in a freshwater stream that are moved to salty seawater would, The process of dissolving the envelope and capsid to release the viral nucleic acid is, Principles and Practices of Rehabilitation. 46 Physical Pharmacy 47 (8.314 J mol –1 K ), T is temperature in kelvins, c is the concentration in mol m–3 and x has a value of 1 for ionic surfactants in dilute solution. D. medical instruments. Instructions. Biology MCQ Animal Biology Lung surfactants function to decrease the likelihood of collapse of the alveoli when air is expired. Surfactants work by A. coating the organism, preventing interaction with its environment. d) The solubility of nonionic surfactants … Surface Tension Question and Answer. B. blocking transport into the organism. All of the following are true about agar except ______. E. An emulsion stabilised by drugs. Answer the following questions and then press 'Submit' to get your score. Practice more on a regular basis with these NEET Chemistry objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. Paediatrics MCQ – Boy with fever and rash . Surfactants are smart chemicals that may be completely invisible to us most of the time but which benefit our lives in many different ways. C. human tissues. B. gain water. Surfactants adsorb preferably at interfaces where they find the energetically most favourable conditions due to their two-part structure. A client with a walker is being discharged from the orthopedic unit to home. SURFACE TENSION PAPER – 3: 4. Which of the following is a direct contact method of microbe transmission? How surfactants will facilitate or aid wetting of hydrophobic materials in liquid (a) By decreasing the solid-liquid interfacial tension (b) By increasing the solid-liquid interfacial tension (c) Both (d) None 23. If the answers is incorrect or not given, you can answer the above question in the comment box. Which of the following is a direct contact method of microbe transmission? A. Displacement of a polymer by a small amphiphile. 10) When does surfactant production peak? FOREWORD Medical & Pharmacy are fast growing professions with a wide range of opportunities open to the students after a basic degree. Surfactants can be a nuisance to papermakers when they stabilize undesirable foams, make it more difficult to hydrophobically size paper, hurt dry strength of paper, or hurt fine-particle retention. Surfactants added to cleaning agents, like detergent, allow the detergent to mix into water, helping cleaning agents remove dirt from the surface being cleaned. AIPGMEE 2011 – MCQ 15 – Nerve injury in supracondylar fracture . The important part to understand here is that Polar molecules are attracted to other polar m… A. fomites B. water C. droplet nuclei D. aerosols E. dr... All of the following are true about agar except ______. B. Displacement of a small amphiphile by a polymer. C. Displacement of an acid by a base. B) the H chains. REFERENCE. Abstract. Neonates less than 35 weeks are prone to develop NRDS (neonatal respiratory distress syndrome). Distant metastases are found in 20% of patients at presentation. Chapter 9: Multiple choice questions. b- is decreased in red muscles. 3) What is the most important function of surfactant? What are surfactants? If the answers is incorrect or not given, you can answer the above question in the comment box. Dry granulation D. disrupting membrane integrity. The term surfactant was originally coined by Antara Products in the 1950s a to stand for SURFace-ACTive-AgeNT, which is an attempt to explain ‘how surfactants work’. Surfactants emulsifiers and dispersants have different hydrophilic-lipophilic balance (HLB) Emulsifiers for water-in-oil systems 3.0 - 6.0 Dispersants 12.0 - 17.0 b- muscle glycogen. Due to depleting petroleum resources and negative environmental impacts associated with their production and use, the surfactants industry is in need of bio-based surfactants. c. Conversion of large aggregates to small aggregates. please find sample mcq test from the above reference for the preparation of NAPLEX,PEBC,APEC,HAAD and other pharmacy entrance examinations. A. B) They have antibodies on their surfaces... HEPA filters are used to remove microbes from A. air. M. Miyake, Y. Yamashita, in Cosmetic Science and Technology, 2017. This test is Rated positive by 88% students preparing for Class 11.This MCQ test is related to Class 11 syllabus, prepared by Class 11 teachers. 7) What is the action of convertase enzyme? SURFACE TENSION PAPER – 4: Access the above question papers link which contain MCQs (Multiple choice questions) on Surface Tension. B. liquids. July 7, 2020 huzefakifayet GATE Exam, GPAT Preparation, How to prepare for gpat, MCQ, ... Bactericidal chemicals are used along with surfactants, in which, surfactants helps these chemicals to enter into the microorganism easily and produce cidal effects. Perfumes And Colors 7. 13) From the followings which statement is true for surfactants above the Krafft temperature? Surfactants Glidants Binders Question 29 [1.00 pt(s) ] Which of the following is the most commonly used tablet lubricant Talc Magnesium stearate Mineral oil Glycerine Question 30 [1.00 pt(s) ] Which of the following procedures have the shortest time for tablet manufacturing? Which of the following is NOT a characteristic of B cells? welcome to the page and this little free MCQ sample test will give you an outline of how the exam looks ,what is the syllbus and the type of MCQ can be asked in the real exam.please go through the MCQ sample test.. HUMAN PHYSIOLOGY . Pharmacology – MCQ 56 – Treatment of H. Pylori infection . A) water B) droplets from a sneeze C) pus D) insects E) a hypodermic needle Answer: E. The process of dissolving the envelope and capsid to release the viral nucleic acid is  A. Adsorption B. c- is increased in fatigue. Without surfactants, soaps wouldn’t mix with the water, but would just roll off the water, making the cleaning process much more difficult. WATER:- It is the main ingredient of cosmetics formulation. Herbal Or Plant Material 8. – surfactants with HLB’s of 1 to 3 • Preparing water-in-oil emulsions – surfactants with HLB’s of 4 to 6 • Preparing self emulsifying oils – surfactants with HLB’s of 7 to 10 • Preparing oil-in-water emulsions – surfactant blends with HLB’s of 8 to16 • Detergent solutions – surfactants with HLB of 13 to 15 Polar molecules, like water, have an imbalance in electrons which make them attracted to other imbalanced molecules. Non-polar molecules like oils have enough electrons in them to make them stable. C. blocking transport out from the organism. Surfactants are incorporated in preparations like toothpaste; All of the mentioned ... MCQ Multiple Choice Questions and Answers on Surface Tension. vi | P a g e PREFACE This book gives multiple choice questions for selected courses in Chemical Engineering. E. All of the choices are correct. Stoke’s equation is expressed as (a) 2 V=2r (d – d )g12 9η (b) 2 V=2r (d – d )g12 18η Surfactant production starts at 20 weeks and peaks at 35 weeks. Would you like to get the full Thesis from Shodh ganga along with citation details? Which explanation demonstrates safe walker use? c) The solubility of ionic surfactants increases. Dec 19,2020 - Test: Viscosity And Surface Tension | 20 Questions MCQ Test has questions of Class 11 preparation. MCQ on Surface Chemistry with answers, Test: 2, Total Questions: 15 B. Squamous cell carcinoma of the larynx represents approximately 1 % of malignancies in men. Functional Raw Materials 1. If the answers is incorrect or not given, you can answer the above question in the comment box. D) the constant portions of the H and L c... Bacteria living in a freshwater stream that are moved to salty seawater would A. be in a hypotonic solution. Ophthalmology – MCQ 8 – A patient with unilateral proptosis . This generalization basically denotes that this general classification of compounds tends to interact at the interface of two immiscible phases (i.e. d- Creatine phosphate. Surfactants are categorized into petrochemical and bio-based, depending on the raw material used for the synthesis. When used as soaps, these can mechanically remove the bacteria through scrubbing. Total MCQ Papers (4), Total MCQs (100) 1. More Topics. Learn vocabulary, terms, and more with flashcards, games, and other study tools. A client with a walker is being discharged from the orthopedic unit to home. Which of the following is the endotoxin? NPTEL provides E-learning through online Web and Video courses various streams. To understand surfactants it’s first important to understand a property of all chemicals, polarity. C) the L chains. The specificity of an antibody is due to A) its valence. 12) Commonest cause of respiratory distress in preterm infant is. Surfactants 5. 14) What is the major disability in NRDS survivors? The area A occupied by a surfactant molecule at the solution–air interface can be calculated from A = 1/N A 23Γ 2 where N A is the Avogadro number (6.023 × 10 molecules a) The solubility increases for all types of surfactants. MCQ (nerve and muscles) Choose the best ( √)answer: 1- The energy of muscle contraction is derived from the following except: a- ATP. These professions play a vital role in health care management. The nurse must teach the client how to use a walker properly. NEET Chemistry is the scoring paper in the medical entrance examination. D. An emulsion stabilised by surfactants. Start studying RESPIRATORY PHYSIOLOGY - SURFACTANT (17 MCQS). Learn more about surfactants in this article. The multiple choice questions are intended for students at both 2) Which has the highest concentration in surfactant? c- lactic acid. Which of the following is a fomite? Which of the following is NOT a characteristic of B cells? Question 1 ... What is the main result of adding surfactants into a liquid composed of two immiscible phases such as oil and water? Surface Tension Trivia Questions and Answers PDF. 9) Which is vital for surfactant function? We explained this a bit in our post on cosmetic emulsionsbut basically compounds can be classified as polar and non polar. Thus stability and quality of final product is dependent on the purity of water used so pure water should be … What is competitive adsorption or competitive displacement, with reference to the surface adsorbed layer? oil and water). Surfactant, substance such as a detergent that, when added to a liquid, reduces its surface tension, thereby increasing its spreading and wetting properties. Test your knowledge of pulmonary surfactant and the importance of this substance using an interactive quiz. Based on your knowledge of lipids and amphipathic molecules, which of the following explains the mechanism by which the dipalmitoyl phosphatidylcholine (DPPC) … 16) Pulmonary alveolar proteinosis - True statement, 17) Pulmonary alveolar proteinosis - False statement. SURFACE TENSION PAPER – 1: 2. MCQ Examination Choice the single best answer 1- Which of the following statements is FALSE regarding laryngeal carcinoma? Surfactants spontaneously construct a variety of self-organized structures in solvents, which noticeably depend on the chemical structures of surfactants as well as interaction manners with the solvents. 2. 6) Tubular myelin of surfactant is formed from -. c. 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