प रश न 1 सड़क क च ड़ करन क बह न आवश यकत स अध क प ड़ क ट गए इसक ज नक र द त ह ए वन एव पय वरण ववभ ग क प त र लऱख ए

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1 SummerAssignment Class 10 English 1. Letter to editor (anyone) A.You are Ashish/Aastha resident of 254, Vigyan Vihar, Madhya Pradesh. You are worried to see your younger brothers frequent habit of using internet has a homework tool. Framing ideas from input given below and your thinking write a letter to the editor of a famous newspaper expressing your concern over the youth who seem to be so dependent upon the computers in the present times. ( words) 24 hours technology access to internet Many advantages, informative Drawbacks, inaccurate information Killing thinking skills Concept of hard work disappearing Balanced guided use of internet required B. The number of tourist going to hill station is increasing, this hasled to their commercialization and its ill effect - more and more hotels, garbage, effect on life of the locals etc.writea letter to the editor of a national daily expressing your concern over the situation.( words) 2. Story Writing (anyone) Begin your story with the given line. Give a suitable title and moral to it ( words) I have always enjoyed taking long walk among the forests B. Uday s dream-do something brave win recognition farand wide be famous in the world. one fine day he saw this opportunity when 3 Book Review-The Story of My Life -Helen Keller Cover page Theme and plot General characterisation Your opinion about the book व षय हहन द क दस प रश न 1 सड़क क च ड़ करन क बह न आवश यकत स अध क प ड़ क ट गए इसक ज नक र द त ह ए वन एव पय वरण ववभ ग क प त र लऱख ए प रश न -2 लमत र क जन मददन पर ब ई द त ह ए पत र लऱख ए प रश न -3 स रद स क भ रमरग त क ववश षत ए लऱ प रश न -4 ग वपय क व कच त य क ववश षत ए लऱख ए प रश न -5 आप अपन द श क लऱए क य य गद न कर सकत ह,लऱख ए प रश न 6 ब ऱग बब भगत क च ररबत रक ववश षत ए लऱख य

2 Very Short Answer Type : Q.1 Write Euclid s division lemma. Chapter : Real Numbers CLASS X (Mathematics) Q.2 Give an example of two irrational numbers whose sum is rational. Q.3 write the condition to be satisfied by q so that a rational number p/q has a terminating decimal expansion. Short answer Type: Q.4 Use Euclid division algorithm to find the H.C.F. of 396 &1080. Q.5 The H.C.F. of two numbers is 23 and their L.C.M. is If one of the number is 161, find the other. Q.6 prove that 4 _ 3 is irrational number. Long Answer type : Q.7 Prove that 11 is irrational number. Q.8 Use Euclid division lemma to show that square of any positive integer is either of the form 3m or 3m+1 for some integer m Q.9 Find the greatest possible length which can be used to measure exactly the lengths 7 m., 3m.85 cm. and 12 m. 95 cm. Q.10 Find the H.C.F. of 65 and 117 and express it in the form of 65m+117n Very short Answer Q.1 Find the zeroes of polynomial x 2 _ 16. Chapter Polynomials Q.2 If, β are the zeroes of the polynomial x 2 +x +1 then 1 +1 β find its value Q.3 Find a quadratic polynomial, the sum and product of whose zeroes are _5 and 6 resspectively. Short Answer Type : Q.4 If the product of the zero of of the polynomial ax 2-6x 6 is 4, find the value of a. Q.5 Find the quadratic polynomial such that sum of its zeroes is ¼ and the product of its zeroes is 1. Q.6 Find the zeroes of a polynomial x 2-2 x 12

3 Long Answer Type : Q.7 Verify that ½, 1, -2 are zeroes of a cubic polynomial 2x 3 +x 2-5x+2.Also verify the relationship between zeroes and coefficient in each case. Q.8 obtain all the zeroes of a quadratic polynomial 3x 4 +6x 3-2x 2-10x-5 if two of its zeroes of a polynomial are Q.9 Divide 3x 3 +x 2 +2x 9 by 1+2x+x 2.Also Verify division algorithm. 5 3 and Q.10 If the polynomial x 4 +2x 3 +8x 2 +12x+18 is divided by another polynomial x 2 +5 the remainder comes out to be px+q, Find the values of p and q. Very Short Answer Type : Chapter : Linear equations in two variables Q.1 Find the value of k such that system of linear equation 2x+4y+7=0 and 3x-ky+1=0 has no solution. Q.2 Write the value of k for which the system of equations 3x-2y=0,kx+5y=0 has infinitely many solution Q.3 For what value of k the equation 3x-y+8=0, 6x-ky=-16 represent coincident lines? Short Answer Type : Q.4 The sum of two numbers is 35 and their difference is 9. Find the numbers. Q.5 If 2x-3y=7, (a+b)x-(a+b-3)y=4a+b represent coincident lines. Find the relation between a and b. Long Answer Type : Q.6 Solve the system of equation for x & y b a 2 a2 x - y= ab, b 2 x a 2 y=2a 2 b 2 b Q.7 Draw the graph of the equation x+y=3 and 2x+5y=12.Determine the coordinates of vertices of triangle formed by lines & x axis and shade their triangular region. Q.8 Solve for x and y xy x+y =6, xy =6 where x+y 0,y x 0 5 y x Q.9 A two digit number is such that product of of its digit is 15.If 18 is added to number the digits interchange their places.find the numbers. Q.10 The speed of a boat in still water is 11 km./h. it can go 12 km. upstream and return down stream to to original point in 2 hr. 45 min. Find the speed of stream.

4 SUBJECT SCIENCE AND TECHNOLOGY A. Finding the ph of the following samples by using ph paper/universal indicator (i) Dilute Hydrochloric Acid (ii) Dilute NaOH solution iii) Dilute Ethanoic Acid solution (iv) Lemon juice (v) Water (vi) Dilute Hydrogen Carbonate solution B. Studying the properties of acids and bases (HCl & NaOH) on the basis of their reaction with: a) Litmus solution (Blue/Red) b) Zinc metal c) Solid sodium carbonate 2. Performing and observing the following reactions and classifying them into: A. Combination reaction B. Decomposition reaction C. Displacement reaction D. Double displacement reaction (i) Action of water on quick lime (ii) Action of heat on ferrous sulphate crystals (iii) Iron nails kept in copper sulphate solution (iv) Reaction between sodium sulphate and barium chloride solutions 3. Observing the action of Zn, Fe, Cu and Al metals on the following salt solutions: i) ZnSO4 (aq) ii) FeSO4 (aq) iii) CuSO4 (aq) iv) Al2 (SO4)3 (aq) Arranging Zn, Fe, Cu and Al (metals) in the decreasing order of reactivity based on the above result. 4. Studying the dependence of potential difference (V) across a resistor on the current (I) passing through it and determine its resistance. Also plotting a graph between V and I. 5. Determination of the equivalent resistance of two resistors when connected in series and parallel. 6. Preparing a temporary mount of a leaf peel to show stomata. 7. Experimentally show that carbon dioxide is given out during respiration. 8. Study of the following properties of acetic acid (ethanoic acid): i)odour ii) Solubility in water iii) Effect on litmus iv) Reaction with Sodium Hydrogen Carbonate 9. Study of the comparative cleaning capacity of a sample of soap in soft and hard water. 10. Determination of the focal length of: i) Concave mirror ii) Convex lens by obtaining the image of a distant object 11 -Tracing the path of a ray of light passing through a rectangular glass slab for different angles of incidence. Measure the angle of incidence, angle of refraction, angle of emergence and interpret the result. 12 Studying (a) Binary fission in Amoeba, and (b) Budding in yeast and Hydra with the help of prepared slides.

5 13 Tracing the path of the rays of light through a glass prism. 14 Finding the image distance for varying object distances in case of a convex lens and drawing corresponding ray diagrams to show the nature of image formed. 15 Identification of the different parts of an embryo of a dicot seed (Pea, gram or red kidney bean). Summer Project- Disaster Management (Natural Disaster) Rubrics of assignment- Introductiono Meaning of Disaster Management o Causes-general o Effects-general Case Studyo Complete information o Occurrence o Devastation caused o Effects (specific) {paste pictures} Relief and Rehabilitationo Survival skill o Role of government o Role of community Conclusiono Safe construction o Sharing roof Social Science Hand written project on 15A-4 size pages including front page. Date of Submission- 18 th June 2018

COURSE STRUCTURE CLASS X First Term Marks: 90

COURSE STRUCTURE CLASS X First Term Marks: 90 Unit No. Unit Marks Theme: Materials I Chemical Substances-Nature and Behaviour 33 II World of Living 21 IV Effects of Current 29 V Natural Resources 07 Unit