SELAQUI INTERNATIONAL SCHOOL SUMMER VACATION ASSIGNMENT CLASS IX HINDI
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1 SELAQUI INTERNATIONAL SCHOOL SUMMER VACATION ASSIGNMENT CLASS IX ENGLISH 1. Photography project- Click photos of the people, the nature, the streets and city. Select best five and bring their hard copy to class. Try to click artistic photos that tell a story. You will be asked to present your photos to the class when you return and you should be able to tell the story behind the photo. The photos MUST NOT have you (the photographer) in it. 2. Write a short story of about words which is creative in nature. Use your imagination and make it interesting. Describe the place and characters in detail. You may watch 'The Boss Baby' and 'The Secret Life of Pets' for inspiration. 3. Read the novel 'Gulliver's Travels' by Johnathan Swift. Read the unabridged version. HINDI 1. क स भ (ह द ल ख ) ह द प स त (लगभग 150 प ष ठ ) पढ़ र उस सम क ष (REVIEW) ललख प स त प रलत (COPY) स थ ल ए उस आध र पर म लख प रश न प छ ज ए ग 2. अपन लपत ज पत र ललख र स पष ट लजए क इस वर ष ग र ष म व श म आप क य रन च त 3. आप छ त र व स म र त ह ए अपन म बह त य द रत उन बह त स ब त आप य द आत र त छ उल ल ख रत ह ए अपन म ए पत र ललख 4. आत मलनभषरत पर 100 शब द म अन च छ द ललख SCIENCE Physics a) Build a science toy to demonstrate one of these concepts - inertia, friction, pressure within liquids. b) Write a project file (minimum 2000 words) on how the equations of motion are important in space exploration. Suggested topics to include are early flight, the progress from propeller to jet engine to rocket boosters, the approximate weight to power ratios required to send something to space, effects of friction and gravity, complications involved in zero gravity etc. These are only suggestions, feel free to add to these. Chemistry a) Build a model to demonstrate one these concepts - Dalton's atomic theory, Rutherford's experiment. b) Make a 2000 word project file on the history of the Atom. Suggested topics to include are short biographies of the various scientists involved, a timeline of different discoveries, the socioeconomic conditions which may have contributed to the progress of this field, the current state of our knowledge regarding the atom. These are only suggestions, feel free to add to this.
2 BIOLOGY A) Make a project file (minimum 2000 words) on the arrangement of various organelles in a cell. B) Write an essay (1500 words) on the history of biological research in the last five decades. Suggested to pick one discovery of antibiotics, stem cells, bionics etc. SOCIAL STUDIES We cannot stop natural disasters but we can arm ourselves with knowledge: so many lives wouldn't have to be lost if there was enough disaster preparedness. Instructions: - Petra Nemcova 1. Prepare and submit the project by July 10 th. 2. The total length of the project report should be pages. 3. The project report should be hand written and credit should be awarded to original drawings, illustrations and creative use of materials. 4. The project report should be presented in a neatly bound simple folder. 5. The project report should be developed in this sequence. Cover page showing project title, student information, class and year List of contents Acknowledgements and preface (acknowledging the institution, offices and libraries visited and persons who have helped) Introduction Chapters with suitable headings. Conclusions (summary and suggestions or findings, future scope of study) Bibliography All the maps, photographs and sketches should be labelled and related to the theme. Appendix (if needed) Keeping the above statement in mind, prepare a project on Disaster Management as per the following guidelines: 1. Highlight the following: Definition of Disaster. What is a disaster management cycle? What are the types of Disasters? What is vulnerability and risk? What is a Hazard? How is it classified? Differentiate between hazard and disaster Contrast and compare physical, chemical and biological hazard. Use the given table as a reference.
3 2. Complete the following table with the relevant information: (Any one physical, chemical, biological disaster) Hazard Physical Elements of hazard Vulnerable groups Prevention Examples Chemical Biological 3a. Prevention and Mitigation of Common Disasters in India. Select any two for your project. Earthquake Cyclones Flood Drought Landslides Any man made disaster 3b. Based on your selection in Point 3a above, enumerate the following in your project: *Meaning *Causes *Do s and don ts *Prevention and mitigation measures *Your emergency Kit * Latest means of forecasting Disasters *Prepare a case study on any one of the Disasters that you have chosen to research. 4. Being a young student of SIS, you are familiar with your school building. According to you, what precautions should you take in evacuating from your classroom in case of a Disaster?
4 MATHEMATICS
5 15. Construct a square root spiral on the chart paper and use your creativity to color it. Construction should be neat and mathematically accurate. 16. Create a picture gallery on any two mathematicians and discuss their contributions on the chart paper: a) Rene Descartes b) Euclid c) Pythagoras d) Heron 17. Match the column: 18. Write two pages on the famous book of Euclid. How many chapters it has? BIOLOGY Q.1: The largest cell in the human body is - (a) Nerve cell (b) Muscle cell (c) Liver cell (d) Kidney cell Q.2: The barrier between the protoplasm and the other environment in an animal cells - (a) Cell wall (b) Nuclear membrane (c) Tonoplast (d) Plasma membrane Q.3: The term Cell was given by - (a) Leeuwenhoek (b) Robert hooke (c) Flemming (d) Robert Brown
6 Q.4: Who proposed the cell theory? - (a) Schleiden and Schwann (b) Watson and Crick (c) Darwin and Wallace (d) Mendel and Morgan Q.5: A plant cell differs from an animal cell in the absence of - (a) Endoplasmic Reticulum (b) Mitochondria (c) Ribosome (d) Centrioles Q.6: Centrosome is found in - (a) Cytoplasm (b) Nucleus (c) Chromosomes (d) Nucleolus Q.7: The power house of a cell is - (a) Chloroplast (b) Mitochondrion (c) Golgi apparatus d) Nucleolus Q.8: Within a cell the site of respiration (oxidation) is the - (a) Ribosome (b) Golgi apparatus (c) Mitochondrion (d) Endoplasmic Reticulum Q.9: Which is called Suicidal Bag? (a) Centrosome (b) Lysosome (c) Mesosome (d) Chromosome Q.10: Ribosomes are the center for - (a) Respiration (b) Photosynthesis (c) Protein synthesis (d) Fat synthesis Q.11: Double membrane is absent in - (a) Mitochondrion (b) Chloroplast (c) Nucleus (d) Lysosome Q.12: Cell organelle found only in Plant is - (a) Golgi apparatus (b) Mitochondria (c) Plastids (d) Ribosomes Q.13: Organisms lacking nucleus and membrane bound organelle are - (a) Diploids (b) Prokaryotes (c) Haploids (d) Eukaryotes Q.14: Animal cell is limited by - (a) Plasma membrane (b) Shell membrane (c) Cell wall (d) Basement membrane Q.15: The network of Endoplasmic Reticulum is present in the - (a) Nucleus (b) Nucleolus (c) Cytoplasm (d) Chromosomes Q.16: Lysosome are reservoirs of - (a) Fat (b) RNA (c) Secretary Glycoprotein (d) Hydrolytic Enzymes Q.17: The membrane surrounding the vacuole of a plant cell is called - (a) Tonoplast (b) Plasma membrane (c) Nuclear membrane (d) Cell wall
7 Q.18: Cell secretion is done by - (a) Plastids (b) ER (c) Golgi apparatus (d) Nucleolus Q.19: Centrioles are associated with - (a) DNA synthesis (b) Reproduction (c) Spindle formation (d) Respiration Q.20: Main difference between animal cell and plant cell is - (a) Chromosome (b) Ribosome (c) Lysosome (d) Endoplasmic Reticulum Answer the following questions :- Q1: A drop of ink is placed gently at the base of a beaker containing water by means of a dropper. What will happen? Q2: Why do dry apricot placed in salt solution do not swell while they do so when kept in water? Q3: How do substances like CO2 and H2O move in and out of the cell? Q4: Why is plasma membrane known as selectively permeable membrane? Q5: Put a drop of blood in three type of liquids: a. Pure water b. Salt solution c. Water containing 5M glucose and 0.9% Nacl.What will happen to the blood drop and why? Explain your answer. Q6: Why is endocytosis found in animals only? Q7: If you are provided with some vegetables to cook, you generally add salt into vegetables during cooking process. After adding salt, vegetables release water. What mechanisms is responsible for this? Q8: Why lysosomes are known as suicidal bags? Q9: How are chromatin and chromosomes are related to each other? Q10: Differentiate between diffusion and osmosis. Q11: What do you understand by semi-autonomous bodies? Give examples also. Q12: Explain why do spinach looks green, papaya yellow and edible parts of water melon red? Q13: Define membrane biogenesis. Where lipids and proteins constituting the plasma membrane do gets synthesized? Q14: What are genes? Where are they located in the cell? Q15: What for ATP stands for? Which organelle is the power plant of eukaryotic cell? Write in brief its function.
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