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SummativeAssessment Term ISamplePaper - 1Total marks of the paper: 90 Total time of the paper:3.0hrsGeneralInstructions:1. The question paper comprises of two sections, Aand B you are to attempt both the sections.2. All questions are compulsory.3.
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There is no overall choice. However, internalchoice has been provided in all the three questions of five marks category.Only one option in such question is to be attempted.4. All questions to section A and all questions ofsection B are to be attempted separately.5.
Both involve the oral presentation of a paper that demonstrates your analysis of a particular question set by the lecturer often as part of a series of questions designed to familiarise students with the course material. A seminar paper differs from a tutorial paper in depth and breadth of analysis, and expected level of originality.
Question numbers 1 to 3 in section A are markquestions. These are to be answered in one word or one sentence.6. Question numbers 4 to 7 are two marks questions,to be answered in about 30 words.7. Question number 8 to 19 is three mark questions,to be answered in about 50 words.8. Question number 20 to 24 are five mark questions,to be answered in about 70 words.9.
Question numbers 25 to 42 in section B aremultiple choice questions based on practical skills. Each question is a onemark question. You are choosing one most appropriate response out of the fourprovided to you.10. An addition 15 minutes time has been allotted toread this question paper only.1. Name one Metal and one Non-Metal which exists in liquid state atroom temperature?2. Name the instrument used for measuring:(i) Potential difference (ii) Current3. How is brain protected from shocks and injuries?4.
Define double displacement reaction with the help of an example.5. What happens to glucose that enters the nephron along with thefiltrate?6. HCl and HNO 3 show acidic characters in aqueoussolution while alcohol and glucose solutions do not. Give reasons.7. How many electrons will flow through a wire when the charge of4C flows for 2 sec? Also find the current.8. A wire is cut into three equal parts and then connected inparallel with the same source.
How will its:(a) Resistance(b) resistivity gets affected?(c) How would the total current and thecurrent through the parts change?9. What are the disadvantages of using fossil fuels? Give twoinstances where solar cells are exclusively used as source of energy.10. How are water and minerals absorbed by the plant?11. How does the strength of the Magnetic field at the centre of acircular coil of a wire depend on(a) Radius of the coil(b) number of turns of wirein the coil?(c)Draw the magnetic lines of force in case of a circular coil of a wire.12.
(a) With the help of a suitable example, explain Oxidation andReduction in terms of gain or loss of oxygen.(b) Identify thesubstances that are oxidised and the substances that are reduced in thefollowing reaction:- 4Na(s) + O 2(g) 2Na 2O(s)13. (a) What are ionic compounds? Ionic compounds conductelectricity only in molten state not in solid state. Why do ionic compoundshave high melting points?14. What are exothermic and endothermic reactions?
Explain with thehelp of one example each.15. The pH of the mouth of a person is lower than 5.5. What changeswill occur in his mouth?
How these changes can be controlled? Write any twomeasures.16. Mention any three important functions of fore brain.17. Name the hormones secreted by Thyroid, Pancreas and Adrenalglands.
Write a function of each hormone18. Give the events that occur during photosynthesis.19. Tendril encircles or coils around the object in contact with it.Elaborate.20. A sanitary worker uses a white chemical having strong smell ofchlorine gas to disinfect the water tank.(a) Identifythe chemical compound.(b) Writethe chemical formula.(c) Writechemical equation for preparing it.(d) Writeits any two uses.OR(a) Write an equation to show the reaction betweenPlaster of Paris and water.(b) Name the substancewhich on treatment with chlorine yields bleaching powder.(c) Name the sodiumcompound which is used for softening hard water.(d)What will happen if a solution of sodium hydrogen carbonate is heated?Give theequation of the reaction involved.21. Draw a neat diagram of Respiratory System in Humans and labelthe following:(i) Trachea (ii) Bronchi (iii) Lungs (iv) LarynxWhere does exchange of gases take place?ORDrawneat diagram of digestive system. Label its all parts. How the main componentsof the food digested in the small intestine?
(a) Draw a schematicdiagram of the common domestic circuit.(b) Writedifference between overloading and short circuiting.ORAnswer the following questions:(i) Whatis the direction of magnetic field lines outside a bar-magnet?(ii) Whatis SI unit of magnetic field?(iii) Whatdoes crowding of magnetic field lines indicate?(iv) Whatis the frequency of A.C. In India?(v) Name two organs inhuman body where magnetic field is quite significant.23. Define corrosion. Name a metal which corrodes and one metalwhich does not.Write any threemethods of prevention of corrosion.ORWrite balanced chemical equation for thereactions taking place when(i) Zinc carbonate is calcinated.(ii) Zinc sulphide is roasted.(iii) Zinc oxide is reduced to Zinc.(iv) Cinnabar is heated in the air.(v) Manganese dioxide is heated with AluminiumPowder.24. (i)An electric heater connected to a 220V lines has tworesistance coil of 22 Ohms each. Calculate the current if these coils are used(a) Separately (b) In series (c) In Parallel(ii) Write two advantages and two limitationsof using Solar Cooker.ORWhat happens to the deflection of the compassneedle at a point near current carrying straight conductor(a) Ifthe current is increased.(b) Ifthe direction of current in the conductor is changed.(c) Ifcompass is moved away from the conductor.(d)Draw the diagram showing the magnetic field lines around the straight currentcarrying wire.25. Four students (a), (b), (c) and (d) measured the pH values ofwater, lemon juice and sodium bicarbonate solution.
What is the correctdecreasing order of pH values?A.water lemon juice sodiumbicarbonateB.lemon juice water sodiumbicarbonateC.water sodium bicarbonate lemon juiceD.sodium bicarbonate water lemonjuice26. Zinc granules were added to zinc sulphate, copper sulphate,aluminium sulphate and iron sulphate solutions as shown below. You wouldobserve the deposition of metal on zinc in beakers.
JEE Advanced Sample Papers 2019JEE Advanced sample papers are a great study tool for candidates who are appearing for India’s top engineering entrance exam. JEE Advanced is the next step for candidates who clear the first round of the exams which is JEE Mains. The second phase of IIT JEE Advanced 2019 is scheduled to be held on May 19 and will basically be an online or computer-based exam with multiple choice question pattern.
While the exam day in nearing soon, candidates need to prepare effectively while improving their study skills. One efficient way to do so is by solving the sample papers.Using the sample papers will help aspirants to gain a better understanding of the core concepts and even the different topics covered in the which is almost similar to the syllabus of JEE Main. In addition to these, students can also take mock tests. IIT Roorkee, which is the authority for conducting 2019 JEE Advanced has in fact released mock tests on its official website which candidates can easily access and get familiar with the layout as well as the format of the exam.In essence, JEE Advanced 2019 sample papers and the mock tests will significantly enable candidates to learn about the pattern of questions and gain the required precision to perform well and even crack the exam. JEE Advanced Sample Papers 2019Candidates can download JEE Advanced sample papers 2019 from the links provided below. Sample Questions. Two identical straight wires are taken and stretched in order to produce 8 beats per second as they vibrate simultaneously.
If we change the tension slightly in one of them, there is no change in beat frequency. By denoting the higher and the lower initial tension in the strings by T1 and T2, then we can we conclude by making the above changes in tension.
T2 was increased. T2 is decreased. T1 was decreased. T1 was increased. The carbon-carbon bond formation can be observed in;.
Clemmensen’s reduction. Reimer-Tiemann reaction. Cannizzaro’s reaction. Friedel Crafts reaction. Given the family of lines, a (3x + 4y + 6) + b(x + y + 2) = 0. The line of the family situated at the greatest distance from the point P(2, 3) has equation:. 4x + 3y + 8 = 0.
5x + 3y + 10 = 0. 15x + 8y + 30 = 0. NoneClick on the given link to download complete syllabus sample paper for JEE Advanced.