DAV Public School, Daudnagar IX Class Vacation 2024-2025 Science & Math Past Paper PDF

## D.A.V. PUBLIC SCHOOL, DAUDNAGAR ### VACATION 2024-2025. ### IX Class Only | HA | PW | |---|---| ## SCIENCE ### 1. What are the characteristics of meristematic tissues. ### 2. Calculate the Concentration of a solution in Volume percent made when 56 gm of water is mixed with 0.17litre of etha...

## D.A.V. PUBLIC SCHOOL, DAUDNAGAR ### VACATION 2024-2025. ### IX Class Only | HA | PW | |---|---| ## SCIENCE ### 1. What are the characteristics of meristematic tissues. ### 2. Calculate the Concentration of a solution in Volume percent made when 56 gm of water is mixed with 0.17litre of ethanol. ### 3. Why is it not possible to distinguish the particles of the solute from those of the solvent in a true solution? ### 4. Smita had an accident and broke her knee ligament and fractured her forearm. Doctor set her fracture but advised her surgery for knees and complete rests for 4 weeks she can not attend the school due to the doctor advice. why Doctor has to perform surgery on knees? - I. Name the cell of bone - II. Define ligament and tendon - III.what is bone and cartilage? ### 5. Draw the functions and structure of neuron. ### 6. How would you separate a mixture of nepthelene and ammonium chloride? ### 7. A sample of water under study was found to boil at 102°C at normal temperature and pressure. Is the water pure? Will this water freeze at 0°C? Comment. ### 8. What is the volume percent of a solution prepared by dissolving 15cm^3 of methanol in 100cm^3 of ethanol? ### 9. A particle is taken to a height of 2Re above the earth's surface where Re is the radius of the earth. If it is dropped from this height What would be its acceleration? ### 10. Show that the acceleration due to gravity at the surface of the moon is about one-sixth of that at the surface of the earth. ### 11. A body A of mass 3 kg and a boy B of mass 10 kg are dropped simultaneously from a height of 14.9m Calculate - a. their momenta - b their potential energies - c. their kinetic energies when, they are 10 m above the ground. ### 12. A body of mass 2kg initially at rest moves under the action of an applied horizontal force of 7 N on a table with the coefficient of kinetic friction =0.1 Compute the - a. Work done by the applied force in 10 sec - b. Work done by friction in 10 sec - c. Work done by the net force on the body in 10 sec. - d.change in kinetic energy of the body in 10 sec. ### 13. Work done by a body against friction always results in a loss of its kinetic/potential energy. ### 14. A body initially at rest. It undergoes one dimensional motion with constant acceleration. The power delivered to it at a time t is proportional to. ### 15. Write the function of xylem tissues and phloem tissues. ## MATHEMATICS 1. **If in a parallelogram its diagonals bisect each other at right angles and are equal, then it is a** - I. Square - II. Rectangle - III. Rhombus - IV. Parallelogram 2. **Which of the following is not true?** - I. Every square is a rectangle - II. Every rectangle is a quadrilateral - III. Every parallelogram is a trapezium - IV. None of these 3. **Which of the following is not true for a parallelogram?** - I. Diagonals bisect each other - II. Opposite sides are equal - III. Opposite angles are equal - IV. Opposite angles are bisected by the diagonals 4. **ABCD is a rhombus such that ADB = 50°, then what is the measure of ACB?** 5. **A diagonal of a rectangle is inclined to one side of the rectangle at 25°. What is the measure of acute angle between the diagonals?** 6. **Diagonals of a parallelogram ABCD intersect at O. If BOC = 90°and BDC = 40°, then what is the measure of LOAB?** 7. **If x = 2−√5 / 2+√5 and y = 2+√5 / 2-√5 find the value of x² - y².** 8. **Determine rational numbers p and q if 7+√5 / 7-√5 = -p-7√5q / -7-√5 / 7+√5** 9. **A triangular park has sides 120 m, 80 m and 50 m. A gardener has to put a fence all around it and also plant grass inside. How much area does he need to plant? Find the cost of fencing it with barbed wire at the rate of Rs. 20 per meter, leaving a space of 3 m wide for a gate on one side.** 10. **The sides of a triangular plot are in the ratio of 6:7:8 and its perimeter is 420 m. Find its area.** 11. **Using factor theorem factorize each of the following polynomials: ** - (i) x36x2 + 3x + 10 - (ii) 2y5y² 19y + 42 12. **In the given figure, POQ is a line. Ray OR ⊥ PQ, OS is another ray lying between rays OP and OR. Prove that <ROS = (1/2)(<QOS-<POS).** 13. **In the given figure, T and M are two points inside a parallelogram PQRS such that PT = MR and PT || MR. Then prove that** - (a) APTR = ARMP - (b) RT || PM and RT = RM 14. **Assertion: If the diagonals of a parallelogram ABCD are equal, then ∠ABC = 90° Reason: If the diagonals of a parallelogram are equal, it becomes a rectangle.** 15. **CASE STUDY:- Aditya purchased two types of chocolates A and B at the rate of Rs. x and Rs. y respectively. The total amount spent is Rs. 7. After reaching home, he forms a linear equation in two variables for two types of chocolates. He prepares a table and a graph of the linear equation as shown in adjoining graph** - (a) How do you represent the above situation in linear equations in two variables? - i) 2x+y=7. (ii) x+y =7 (iii) x=7 (iv)) y=7 - (b) If the cost of chocolates A is 5, then find the cost of chocolates B? - (c) For what value of k, x = 2 and y = -1 is a solution of x + 3y -k =0 ## ENGLISH **Q.No 1. The headmaster once told Einstein's father, "he'll never make a success at anything." Do you think a headmaster should have said such words to the father of a small child. (100-150 words)** **Q.No 2- I was but a poor, foolish and stupid doctor. " Justify the statement in the light of the story, 'The Snake and the Mirror'.** **Q.No. 3- How does Kezia begin to see her father as a human being who needs her sympathy?** **Q.No.4- Make a comparative study of the experiences and difficulties faced by Evelyn and Bismillah Khan in their musical journey.** **Q.No.5 - How important is it to take sensible decisions, and seek the help of wise people while doing so? Explain with reference to the disciple.** **Q.No. 6-The poet is a great lover of mankind. Justify with reference to the poem, 'Wind'.** **Q.No. 7-I was reading a book when I noticed... Complete the story, in about 150 - 200 words and give a suitable title to your story.** **Q.No. 8- As Mahendra, make a diary entry of the full moon night. Express your fear and decision of moving out.** **Q.No.9-Write an article in not more than 200 words on the following: Poverty is the cause of all Social Evils.** **Q.No. 10- You are Ashish / Astha, a resident of 254, Vigyan Vihar, Amla, Madhya Pradesh. You are disturbed to see your younger brother's frequent habit of using the internet as a homework tool. Write a letter to the editor of a popular newspaper, expressing your opinion on the advantages and disadvantages of the dependence of today's youth on the internet.** **Q.No. 11 - How did Sivasubramania lyer change his wife's conservative ideas?** **Q.No. 12 - Why does the disciple decide to stay in the Kingdom of Fools? Is it a good idea?** **Q.No 13- How does Iswaran describe the uprooted tree on the highway? What effect does he want to create in his listeners?** **Q.No. 14 - Why does the author say, "Toto was not the sort of pet we could keep for long"?** **Q.No. 15- What difference do you notice in the child's behaviour before and after he gets lost?** ## HINDI 1. 'साँवले सपनों की याद' शीर्षक की सार्थकता पर टिप्पणी कीजिए। 2. आपकी दृष्टि में वेश-भूषा के प्रति लोगों की सोच में आज क्या परिवर्तन आया है? 3. हथकड़ियों को गहना क्यों कहा गया है? 4. अपनी यात्रा के दौरान लेखक को किन-किन कठिनाइयों का सामना करना पड़ा? 5. कवयित्री द्वारा मुक्ति के लिए किए जाने वाले प्रयास व्यर्थ क्यों हो रहे हैं? 6. लेखिका ने अपनी नानी को कभी देखा भी नहीं फिर भी उनके व्यक्तित्व से वे क्यों प्रभावित थी? 7. यात्रा-वृत्तांत के आधार पर तिब्बत की भौगोलिक और सामाजिक स्थिति क्या थी? 8. आपके विचार से कवि पशु, पक्षी और पहाड़ के रूप में भी कृष्ण का सान्निध्य क्यों प्राप्त करना चाहता है? 9. कवि का ब्रज के बाग और तालाब को निहारने के पीछे क्या कारण है? 10. हरिशंकर परसाई ने प्रेमचंद का जो शब्दचित्र हमारे सामने प्रस्तुत किया है उससे प्रेमचंद के व्यक्तित्व की कौन-कौन सी विशेषताएँ उभर कर आती हैं? 11. मानवीकरण अलंकार को सोदाहरण लिखें। 12. अर्थ के आधार पर वाक्य के कितने भेद हैं? लिखिए। 13. अव्ययीभाव समास को सोदाहरण लिखें। 14. उत्प्रेक्षा या रूपक अलंकार को सोदाहरण लिखें। 15. मैं चेहरे की तरफ देखता हूँ। क्या तुम्हें मालूम है, मेरे साहित्यिक पुरखे कि तुम्हारा जूता फट गया है और अंगुली बाहर दिख रही है? क्या तुम्हें इसका जरा भी अहसास नहीं है? जरा लज्जा, संकोच या झेंप नहीं है? क्या तुम इतना भी नहीं जानते कि धोती को थोड़ा नीचे खींच लेने से अंगुली ढ़क सकती है? मगर फिर भी तुम्हारे चेहरे पर बड़ा बेपरवाही, बड़ा विश्वास है। फोटोग्राफर ने जब रेडी-प्लीज कहा होगा, तब परंपरा के अनुसार तुमने मुस्कान लाने की कोशिश की होगी, दर्द के गहरे कुएं के तल में कई पड़ी मुस्कान को धीरे-धीरे खींचकर ऊपर निकाल रहे होंगे कि बीच में ही क्लिक करके फोटोग्राफर ने बैंक -यू कह दिया होगा। विचित्र है यह अधूरी मुस्कान। यह मुस्कान नहीं, इसमें उपहास है, व्यंग्य है। 16. प्रस्तुत गद्यांश के लेखक कौन हैं? 17. 'साहित्यिक' शब्द में प्रत्यय क्या है? 18. प्रेमचंद की मुस्कान, मुस्कान नहीं, क्या है? 19. कथन (A) और कारण (R) को पढ़कर उपयुक्त विकल्प चुनिए- **कथन (A) यदि धोती थोड़ी नीचे कर लेते तो जूता दक जाता ।।** **कारण (R) क्योंकि फटा हुआ जूता समाज को दिखाना है।** (i) कथन (A) गलत है, किंतु कारण (R) सही है। (ii) कथन (A) और कारण (R) दोनों ही गलत हैं। (iii) कथन (A) सही है, और कारण (R) कथन (A) की सही व्याख्या है। (iv) कथन (A) सही है किंतु (R) गलत है। ## संस्कृत 1. एतेषां प्रश्नानाम् उत्तराणि पूर्णवाक्येन लिखन्तु। - ⅰ. वृक्षाः परेभ्यः किं कुर्वन्ति? - ii. आम्रः जनानाम् अतितापं कया दलयति? - iii. सत्पुरुषाः इव के सन्ति? - iv. कस्य मूलं भुजङ्गैः आश्रितम् ? - v. मित्रैः सह क्रीडित्वा कः गृहम् प्रत्यावृतः ? - vi. मातुः चिन्तां ज्ञात्वा कः राजसभां गन्तुम् उद्यतः आसीत् ? - vii. " यदी नदी वक्रा, किं तस्याः जलमपि वक्रम्" इति केन पृष्टम् ? - viii. राजसभायां कस्य उपहासः अभवत् ? - ix. राजा जनकः कस्य पादयोः पतति किमर्थं च? - X. मुढमनुजाः किं गायन्ति ? 2. उचित विपरीत पदं चित्वा लिखत - क. सुलभः i. शनैः - ख. क्षिप्रम् ii. निर्गव्य - ग. अर्पय iii. दुर्लभः - घ. प्रविश्य iv. अलौकिकम् - ङ. लौकिकम् v. गृहाण ## P.W 1. Draw the figure Components of desktop. Details a Windows operating system. 2. Write and present a talk on "What I wish to become and what I do about it". Let your imagination run and discuss with your classmates. 3. Preparing a Write-up or an essay on experiences during a holiday trip If you have taken a school trip or family trip recently prepare an essay on your experiences during the trip (day-wise). Include what all you did independently and what you did with friends/family. Share notes with your classmates. 4. Why do we need to focus on self-management? Can you do it for your own self? ## Social Science 1. Locate and label the following on the map of India. - The Aravali - Malwa Plateau - Chota Nagpur Plateau - Deccan Plateau 2. On the Outline map of the World locate and the label the Following - Axis Powers: Germany, Italy, Japan - Allied Powers: UK, France, Former USSR, USA 3. What was the result of the first world war for Germany? 4. Why was Weimar republic not received well by its own people? 5. What was **the** article 48 in the Weimar constitution? 6. Read the given message and answer the questions that follow: **On 30 January 1933, president Hindenburg of offered the chancellorship, the highest position in the cabinet of ministers, to Hitler. By now the Nazis had managed to rally the conservatives to their cause. Having acquired power, Hitler set out to dismantle the structures of democratic rule. A mysterious Fire that Broke out in the Germany parliament building in February facilitated his move. The Fire decree of 28 February 1933 indefinitely suspended civic rights like freedom of speech, press and assembly that have been guaranteed by the Weimar constitution. Then he turned on his archenemies, the communists most of whom were hurriedly packed off to the newly established concentration camps.** 7. What major Developments took place when Hitler attained the position of the chancellorship? 8. What do you mean by the concentration camps? 9. Act led to the establishment of the Dictatorship in Germany? 10. What was the Hitler's World view? 11. How were the polish children treated by the Nazis? 12. Which sport, according to Hitler, made children iron-hearted, strong and masculine? 13. What were the Honour crosses awarded to the mothers? 14. The Media glorified trench life. What was the actual truth about the trench life? 15. Who was Helmuth's father? Why did he fear?