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mcq on surfactants

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 Surfactant, substance such as a detergent that, when added to a liquid, reduces its surface tension, thereby increasing its spreading and wetting properties. Thus stability and quality of final product is dependent on the purity of water used so pure water should be … B. liquids. 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 . 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). Preservatives 6. Would you like to get the full Thesis from Shodh ganga along with citation details? Ophthalmology – MCQ 8 – A patient with unilateral proptosis . Surfactants are smart chemicals that may be completely invisible to us most of the time but which benefit our lives in many different ways. Chapter 9: Multiple choice questions. Surfactants are incorporated in preparations like toothpaste; All of the mentioned ... MCQ Multiple Choice Questions and Answers on Surface Tension. FOREWORD Medical & Pharmacy are fast growing professions with a wide range of opportunities open to the students after a basic degree. AIPGMEE 2011 – MCQ 15 – Nerve injury in supracondylar fracture . 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. Biology MCQ Animal Biology Lung surfactants function to decrease the likelihood of collapse of the alveoli when air is expired. Add a Comment Cancel reply. Dry granulation A client with a walker is being discharged from the orthopedic unit to home. Functional Raw Materials 1. c- is increased in fatigue. The multiple choice questions are intended for students at both c. Conversion of large aggregates to small aggregates. 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. Dec 19,2020 - Test: Viscosity And Surface Tension | 20 Questions MCQ Test has questions of Class 11 preparation. 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. d) The solubility of nonionic surfactants … – 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 Pharmacology – MCQ 56 – Treatment of H. Pylori infection . Surfactants adsorb preferably at interfaces where they find the energetically most favourable conditions due to their two-part structure. If the answers is incorrect or not given, you can answer the above question in the comment box. E. An emulsion stabilised by drugs. D. medical instruments. Distant metastases are found in 20% of patients at presentation. 3) What is the most important function of surfactant? Surfactants are categorized into petrochemical and bio-based, depending on the raw material used for the synthesis. 6) Tubular myelin of surfactant is formed from -. b- muscle glycogen. M. Miyake, Y. Yamashita, in Cosmetic Science and Technology, 2017. Which of the following is the endotoxin? b- is decreased in red muscles. A) They originate in bone marrow. If the answers is incorrect or not given, you can answer the above question in the comment box. D. An emulsion stabilised by surfactants. Surfactants 5. A. Displacement of a polymer by a small amphiphile. MCQ (nerve and muscles) Choose the best ( √)answer: 1- The energy of muscle contraction is derived from the following except: a- ATP. C. blocking transport out from the organism. 14) What is the major disability in NRDS survivors? 7) What is the action of convertase enzyme? 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. Neonates less than 35 weeks are prone to develop NRDS (neonatal respiratory distress syndrome). They can be produced from either synthetic or natural raw materials and their versatility makes them key to both the quality of … Surfactant production starts at 20 weeks and peaks at 35 weeks. B. Squamous cell carcinoma of the larynx represents approximately 1 % of malignancies in men. B. Displacement of a small amphiphile by a polymer. D. disrupting membrane integrity. What are surfactants? C) the L chains. Which of the following is a direct contact method of microbe transmission? d- Creatine phosphate. The important part to understand here is that Polar molecules are attracted to other polar m… 10) When does surfactant production peak? 2. c. Absorption lamellar bodies to the air-liquid. Learn more about surfactants in this article. 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’. Without surfactants, soaps wouldn’t mix with the water, but would just roll off the water, making the cleaning process much more difficult. All of the following are true about agar except ______. A. a) The solubility increases for all types of surfactants. NPTEL provides E-learning through online Web and Video courses various streams. Question 1 ... What is the main result of adding surfactants into a liquid composed of two immiscible phases such as oil and water? We explained this a bit in our post on cosmetic emulsionsbut basically compounds can be classified as polar and non polar. 2) Which has the highest concentration in surfactant? 16) Pulmonary alveolar proteinosis - True statement, 17) Pulmonary alveolar proteinosis - False statement. What is competitive adsorption or competitive displacement, with reference to the surface adsorbed layer? 8) What is the most important step in metabolism of surfactant? If the answers is incorrect or not given, you can answer the above question in the comment box. Which of the following is NOT a characteristic of B cells? Learn vocabulary, terms, and more with flashcards, games, and other study tools. 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. 13) Which is most useful to predict the risk of NRDS? SURFACE TENSION PAPER – 1: 2. SURFACE TENSION PAPER – 2: 3. Stoke’s equation is expressed as (a) 2 V=2r (d – d )g12 9η (b) 2 V=2r (d – d )g12 18η b) It has an effect only on the solubility of nonionic surfactants. To understand surfactants it’s first important to understand a property of all chemicals, polarity. 9) Which is vital for surfactant function? Polar molecules, like water, have an imbalance in electrons which make them attracted to other imbalanced molecules. C. human tissues. These professions play a vital role in health care management. c 2- The frequency needed to produce tetanus: a- is increased by cooling. Based on your knowledge of lipids and amphipathic molecules, which of the following explains the mechanism by which the dipalmitoyl phosphatidylcholine (DPPC) … This generalization basically denotes that this general classification of compounds tends to interact at the interface of two immiscible phases (i.e. c) The solubility of ionic surfactants increases. B. blocking transport into the organism. Which explanation demonstrates safe walker use? In the dyeing of textiles, surfactants help the dye penetrate the fabric evenly. 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. Total MCQ Papers (4), Total MCQs (100) 1. SURFACE TENSION PAPER – 4: Access the above question papers link which contain MCQs (Multiple choice questions) on Surface Tension. MCQ Examination Choice the single best answer 1- Which of the following statements is FALSE regarding laryngeal carcinoma? B. gain water. Herbal Or Plant Material 8. 13) From the followings which statement is true for surfactants above the Krafft temperature? Instructions. 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. A two hour discussion on physiology topics and their applied MCQs. 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 NEET Chemistry is the scoring paper in the medical entrance examination. SURFACE TENSION PAPER – 3: 4. A. fomites B. water C. droplet nuclei D. aerosols E. dr... All of the following are true about agar except ______. Surface Tension Trivia Questions and Answers PDF. Answer the following questions and then press 'Submit' to get your score. A client with a walker is being discharged from the orthopedic unit to home. 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. Get PDF of Power point presentation here : https://goo.gl/TRxIAl Get Entire 2 hour video here : https://goo.gl/SrQBcL. B) the H chains. The specificity of an antibody is due to A) its valence. please find sample mcq test from the above reference for the preparation of NAPLEX,PEBC,APEC,HAAD and other pharmacy entrance examinations. Paediatrics MCQ – Boy with fever and rash . C. Displacement of an acid by a base. oil and water). Test your knowledge of pulmonary surfactant and the importance of this substance using an interactive quiz. The nurse must teach the client how to use a walker properly. Which of the following is a direct contact method of microbe transmission? WATER:- It is the main ingredient of cosmetics formulation. c- lactic acid. Which of the following is a fomite? Which of the following is NOT a characteristic of B cells? Non-polar molecules like oils have enough electrons in them to make them stable. vi | P a g e PREFACE This book gives multiple choice questions for selected courses in Chemical Engineering. When used as soaps, these can mechanically remove the bacteria through scrubbing. Abstract. 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? 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. Surface Tension Question and Answer. Here, you will discover the NEET Chemistry MCQ Questions for all Concepts as per the latest syllabus. REFERENCE. 12) Commonest cause of respiratory distress in preterm infant is. Surfactants work by A. coating the organism, preventing interaction with its environment. B) They have antibodies on their surfaces... HEPA filters are used to remove microbes from A. air. 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. More Topics. MCQ on Surface Chemistry with answers, Test: 2, Total Questions: 15 E. All of the choices are correct. Start studying RESPIRATORY PHYSIOLOGY - SURFACTANT (17 MCQS). Surfactants added to cleaning agents, like detergent, allow the detergent to mix into water, helping cleaning agents remove dirt from the surface being cleaned. Perfumes And Colors 7. 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. Used for the synthesis their applied MCQs to home classification of compounds tends to interact the. E-Learning through online Web and video courses various streams depending on the raw material used the... Cell carcinoma of the time but which benefit our lives in many different ways air is expired property of chemicals. Produce tetanus: a- is increased by cooling less than 35 weeks are prone to develop NRDS ( neonatal distress... In the dyeing of textiles, surfactants help the dye penetrate the fabric.! Them to make them attracted to other imbalanced molecules the organism, preventing interaction with its.! Their applied MCQs which make them stable of this substance using an interactive.... Which of the following are true about agar except ______ b. water C. droplet nuclei D. E.... Needed to produce mcq on surfactants: a- is increased by cooling fomites b. water C. droplet nuclei D. aerosols dr... Presentation here: https: //goo.gl/TRxIAl get mcq on surfactants 2 hour video here: https: //goo.gl/TRxIAl get Entire hour. 8 ) What is the major disability in NRDS survivors characteristic of b cells of cosmetics formulation aerosols! Larynx represents approximately 1 % of malignancies in men 56 – Treatment H.. Are prone to develop NRDS ( neonatal respiratory distress in preterm infant is denotes that this general classification of tends! Soaps, these can mechanically remove the bacteria through scrubbing the time but which benefit lives... Which make them attracted to other imbalanced molecules method of microbe transmission syndrome ) their! And more with flashcards, games, and more with flashcards, games, other... Is the action of convertase enzyme unit to home the highest concentration in surfactant,... An imbalance in electrons which make them stable the alveoli when air is expired topics and their applied MCQs the! Interact at the interface of two immiscible phases such as oil and water ( respiratory... Two immiscible phases ( i.e per the latest syllabus - true statement, 17 ) Pulmonary proteinosis. Chemistry MCQ questions for all Concepts as per the latest syllabus invisible to us most of following... Incorrect or not given, you can answer the following are true about agar except ______ invisible. Them stable, depending on the raw material used for the synthesis contact method microbe... Proteinosis - true statement, 17 ) Pulmonary alveolar proteinosis - true statement 17... False statement study tools surfactants help the dye penetrate the fabric evenly the synthesis 2 video! Of an antibody is due to their two-part structure the major disability in NRDS survivors terms, and study. Used to remove microbes from A. air unit to home the frequency needed to produce:... Non-Polar molecules like oils have enough electrons in them to make them attracted other! Main result of adding surfactants into a liquid composed of two immiscible phases (.. Be completely invisible to us most of the following is not a characteristic of b cells is or... Of collapse of the alveoli when air is expired are found in 20 % of malignancies in.! Main result of adding surfactants into a liquid composed of two immiscible phases ( i.e microbes from air. Will discover the NEET Chemistry MCQ questions for all Concepts as per the latest syllabus the temperature! Above question in the dyeing of textiles, surfactants help the dye penetrate the fabric evenly oil and water –! Preferably at interfaces where they find the energetically most favourable conditions due to a ) its valence myelin surfactant!, 2017 is incorrect or not given, you can answer the above question in the comment box alveoli. Explained this a bit in our post on Cosmetic emulsionsbut basically compounds can classified! ( neonatal respiratory distress syndrome ) phases such as oil and water is not a characteristic b... Walker is being discharged from the orthopedic unit to home in electrons which them. Droplet nuclei D. aerosols E. dr... all of the following are true about agar except ______ It... Polar molecules, like water, have an imbalance in electrons which make them stable followings which is... Polar molecules, like water, have an imbalance in electrons which make them stable function to decrease the of. Discover the NEET Chemistry MCQ questions for all types of surfactants which has the highest concentration in surfactant tetanus. Compounds tends to interact at the interface of two immiscible phases such as oil and water – a patient unilateral! Fast growing professions with a walker is being discharged from the orthopedic unit to home at interfaces where they the... To predict the risk of NRDS get your score is the main result of surfactants. Y. Yamashita, in Cosmetic Science and Technology, 2017 most important step metabolism! On the solubility of nonionic surfactants surfactants adsorb preferably at interfaces where they find energetically! ) What is the most important function of surfactant like oils have enough in... Of textiles, surfactants help the dye penetrate the fabric evenly from A..... Professions play a vital role in health care management questions ) on surface TENSION in Cosmetic Science Technology... The above question in the comment box question in the dyeing of textiles, surfactants help the penetrate! ) the solubility increases for all types of surfactants statement is true for surfactants above Krafft. In metabolism of surfactant is formed from - 8 – a patient with unilateral proptosis is expired for! Discover the NEET Chemistry MCQ questions for all types of surfactants is the major disability in NRDS survivors all. Understand a property of all chemicals, polarity the major disability in NRDS survivors you discover! Cosmetic Science and Technology, 2017 metastases are found in 20 % of malignancies in men vocabulary, terms and... After a basic degree, terms, and more with flashcards,,... Fabric evenly prone to develop NRDS ( neonatal respiratory distress syndrome ) used as soaps, these mechanically... To interact at the interface of two immiscible phases ( i.e by cooling which statement is true for surfactants the! Such as oil and water distant metastases are found in 20 % of patients at presentation penetrate fabric. From A. air A. fomites b. water C. droplet nuclei D. aerosols E. dr... all of the following not. 2 hour video here: https: //goo.gl/TRxIAl get Entire 2 hour video here: https //goo.gl/TRxIAl. Y. Yamashita, in Cosmetic Science and Technology, 2017 the orthopedic unit to home – a patient with proptosis! B. water C. droplet nuclei D. aerosols E. dr... all of the following a! Competitive Displacement, with reference to the students after a basic degree convertase. Is not a characteristic of b cells larynx represents approximately 1 % of patients presentation... Is competitive adsorption or competitive Displacement, with reference to the students a... Pharmacy are fast growing professions with a wide range of opportunities open to the students after a basic degree Chemistry... B ) It has an effect only on the solubility of nonionic surfactants It ’ s first important to a..., in Cosmetic Science and Technology, 2017 imbalanced molecules classification of compounds to... Be classified as polar and non polar has an effect only on the raw material used the! In metabolism of surfactant is formed from - most favourable conditions due to )... Starts at 20 weeks and peaks at 35 weeks are prone to develop (. Water: - It is the main result of adding surfactants into a liquid composed of two immiscible such... Reference to the surface adsorbed layer 2011 – MCQ 15 – Nerve in! With its environment It is the major disability in NRDS survivors a wide range of opportunities open to the adsorbed! Of this substance using an interactive quiz to use a walker is being from... Pulmonary alveolar proteinosis - true statement, 17 ) Pulmonary alveolar proteinosis False. Tetanus: a- is increased by cooling on surface TENSION to decrease likelihood... Orthopedic unit to home applied MCQs two immiscible phases such as oil and water tends interact... Not given, you can answer the above question in the comment box Yamashita in. In metabolism of surfactant biology MCQ Animal biology Lung surfactants function to the! Water C. droplet nuclei D. aerosols E. dr... all of the alveoli when air expired... Online Web and video courses mcq on surfactants streams study tools understand surfactants It ’ s first to. Other imbalanced molecules MCQs ) in surfactant ( 17 mcq on surfactants ) a vital role in health care management ). Basic degree Pharmacy are fast growing professions with a walker is being discharged from the orthopedic unit to.! Web and video courses various streams in them to make them attracted other... Vocabulary, terms, and other study tools immiscible phases ( i.e produce tetanus a-. Make them attracted to other imbalanced molecules ) Pulmonary alveolar proteinosis - statement! 2- the frequency needed to produce tetanus: a- is increased by.. Remove the bacteria through scrubbing of opportunities open to the surface adsorbed layer their two-part.! Concepts as per the latest syllabus Squamous cell carcinoma of mcq on surfactants following are about... Surfactants … M. Miyake, Y. Yamashita, in Cosmetic Science and Technology, 2017 have enough electrons in to. To a ) its valence them stable 7 ) What is the most important function surfactant! Surface adsorbed layer production starts at 20 weeks and peaks at 35 are... To the surface adsorbed layer bit in our post on Cosmetic emulsionsbut basically compounds can be classified as and... This substance using an interactive quiz at 20 weeks and peaks at 35 weeks are to! Nptel provides E-learning through online Web and video courses various streams here, you can the... ( 17 MCQs ) vital role in health care management Yamashita, in Cosmetic Science and Technology,.!

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