Paper 9 Reasoning for NMMS and other Competition(श्रृंखला SERIES)

XII – ISC [2021-2022] SUBJECT – COMMERCE MCQs - PAPER –9

Position paper (Module 9)

9 - 1 HL Practice Paper (Qns. 7 - 10)

9 - 1 HL Practice Paper (Qns. 1 - 6)

Make the following info into a quiz: Questions (20) Show answers 1 - Quiz I ________ this would be difficult. 20sec 2 - Quiz She ______ a good lesson. 20sec 3 - Quiz Even ________ we are tired, we can do this. 20sec 4 - Quiz That's a ______ question. I don't know the answer. 20sec 5 - Quiz Have a _______ look through your exam paper before you hand it in. 20sec 6 - Quiz I received 10 calls from your mom _____ the day - just call her back! 20sec 7 - Quiz He wore shorts even ______ it was cold. 20sec 8 - Quiz The elephant's skin is very ______. 20sec 9 - Quiz What a great _____ to bring her flowers! 20sec 10 - Quiz We drove _______ a storm. 20sec 11 - Quiz We made it ______ the first semester. 20sec 12 - Quiz I need a _____ report on the latest trends in online shopping. 20sec 13 - Quiz I liked her outfit, I didn't like her accessories _____. 20sec 14 - Quiz We were _____ a lot by the pandemic. 20sec 15 - Quiz I have never _____ about relocating. 20sec 16 - Quiz She looked ______ the magazine. 20sec 17 - Quiz We went ________ the tunnel. 20sec 18 - Quiz That was a ______ hike! I am tired. 20sec 19 - Quiz The house was renovated _____ - everything is new, even windows. 20sec 20 - Quiz Wait a moment, I'll put you _____ to the sales department.

1. [Force] Part A: A student wants to test how friction affects a toy car. She rolls the car across a sheet of sandpaper and then across a sheet of wax paper. Which is the independent (changing) variable? A. The speed of the car B. The type of surface C. The distance traveled D. The size of the car Part B: On which surface will the car likely stop the SOONEST? A. The wax paper B. The sandpaper C. Both will be the same D. Neither surface has friction 2. [Magnets] Which of these is a measurable question for a magnet experiment? A. Are magnets more fun than springs? B. What is the prettiest color for a magnet? C. How many steel paperclips can a bar magnet lift? D. Why were magnets invented? 3. [Earth's Changes] A student observes a statue in a park that has lost its nose and has smooth edges after many years of rain and wind. What process caused this? A. Erosion B. Deposition C. Weathering D. Evaporation 4. [Earth's Changes] When a river reaches the ocean, it slows down and creates a landform called a delta by dropping sand and silt. This "dropping off" is called: A. Weathering B. Deposition C. Condensation D. Friction 5. [Resources] Why is coal considered a nonrenewable resource? A. It can be burned to make electricity. B. It is found deep underground. C. It takes millions of years to form and cannot be replaced quickly. D. It is made from ancient plants. 6. [Conservation] A school replaces all its old lightbulbs with energy-efficient LED bulbs. This is an example of: A. Weathering a resource B. Conserving a resource C. Deposition of energy D. Creating a renewable resource 7. [Aquifers] An aquifer is like a giant underground sponge. What characteristic of the rocks allows them to hold water? A. The rocks are solid and water-proof. B. The rocks are porous, with tiny spaces for water to sit. C. The rocks are magnetic and pull water toward them. D. The rocks are melted into a liquid state. 8. [Water Cycle] On a humid morning, you see dew on the grass even though it didn't rain overnight. Which part of the water cycle formed the dew? A. Evaporation B. Precipitation C. Condensation D. Transpiration 9. [Climate] Which of the following is a description of CLIMATE? A. "It is currently 85 degrees in McAllen." B. "There is a 40% chance of rain this afternoon." C. "South Texas typically has mild winters and very hot summers." D. "The wind is blowing from the North at 10 mph today." 10. [Weather/Climate] A scientist is looking at a chart that shows the total annual rainfall in a city from 1990 to 2020. What is the scientist most likely studying? A. The daily weather forecast B. The climate of the region C. The water cycle of a single pond D. The rate of erosion on a local hill

1. Sit down – Sit on a chair or lower your body. Example: "Please sit down and relax." (Сядьте и расслабьтесь.) 2. Lie down – Recline or rest horizontally. Example: "You should lie down if you're tired." (Тебе следует прилечь, если ты устал.) 3. Turn down – Refuse an offer or reduce volume/heat. Example: "She turned down the job offer." (Она отказалась от предложения о работе.) 4. Slow down – Reduce speed. Example: "Slow down! The road is icy." (Сбавь скорость! Дорога скользкая.) 5. Calm down – Become less angry or anxious. Example: "Calm down and tell me what happened." (Успокойся и расскажи, что случилось.) 6. Break down – Stop working (machine) or lose control emotionally. Example: "My car broke down yesterday." (Моя машина сломалась вчера.) 7. Write down – Record something on paper. Example: "Write down the phone number." (Запиши номер телефона.) 8. Put down – Place something on a surface or insult someone. Example: "Put down the book on the table." (Положи книгу на стол.) 9. Bring down – Reduce (prices, temperature) or make someone sad. Example: "The news brought her down." (Новость расстроила ее.) 10. Cut down – Reduce consumption (e.g., food, expenses). Example: "I need to cut down on sugar." (Мне нужно сократить потребление сахара.) 11. Let down – Disappoint someone. Example: "He let me down by not coming." (Он меня подвел, не прийдя.) 12. Shut down – Close a business or turn off a machine. Example: "The factory shut down last year." (Фабрика закрылась в прошлом году.) 13. Knock down – Demolish or hit someone to the ground. Example: "They knocked down the old building." (Они снесли старое здание.) 14. Settle down – Start living a stable life or calm down. Example: "They want to settle down and have kids." (Они хотят остепениться и завести детей.) 15. Go down – Decrease or descend. Example: "The price of gas went down." (Цена на бензин снизилась.) 16. Come down – Move from a higher place or become cheaper. Example: "Come down the stairs carefully." (Спускайся по лестнице осторожно.) 17. Hold down – Keep a job or suppress something. Example: "He holds down two jobs." (Он работает на двух работах.) 18. Burn down – Destroy by fire.

Acetic acid – a chemical substance with an inhibiting effect on the growth of microorganisms and which is present in vinegar.Acetic Acid Fermentation Fermentation preserves food through the metabolic activities of selected groups of microorganisms. During the process, compounds such as lactic acid, acetic acid and alcohol are developed and result in a more or less stable food form. It makes food more nutritious as dietary source of proteins, vitamins and minerals.Vinegar is an example of the product of acetic acid fermentation which also undergoes alcoholic fermentation to complete the process.Filter – is a device, substance (like paper or charcoal), or process that separates unwanted components from a fluid Cheesecloth-is a loose-woven, gauze-like cotton fabric used for straining liquids from solids.Decant- gradually pour (liquid, typically wine or a solution) from one container into another, especially without disturbing the sediment. Sediment-is solid material (like sand, silt, clay, rocks, organic matter) broken down by weathering, transported by wind, water, or ice, and deposited in a new location, settling at the bottom of water bodies or on land.How to make vinegar?1.Grind or crash the fruit, then boil in water of the same amount as the ground flesh, peels and cores. Boil until soft, and then strain the juice through a cheesecloth2.Add ¼ (one-fourth) pound of sugar for every liter of juice extracted from fruit peels and cores. Do not add sugar when using ripe fruit.3.Add ¼ of a cake of fresh yeast that has been well-broken up, for every liter of juice. Stir very well, and then place in glass jars. Cover with a clean cloth and let the mixture stand for about two weeks .4. After two weeks, separate the clear liquid from the sediment. Prepare fresh, unpasteurized vinegar also called “mother vinegar” which is the white gummy mass that usually forms in vinegar. Add this to the liquid and mix very well. Over the container with cloth, then allow to stand in a warm place until it has acquired a flavor strong enough to use.5.Filter the clear liquids, then pour in a bottle and cover tightly.USES OF VINEGAR1. Insect salve and repellent. 2. Kill weeds and remove ants. 3. Enhance bricks. 4.Open a tight jar. 5.Clean scissors. 6.Remove smoke odors. 7. Remove pit stains. 8. Make hair shine. 9. Fruit fly trap. 10. Car care.

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