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ICSE Class X Mid-term 2025 : Environmental Applications

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FIRST TERM EXAMINATION 2024-25 ENVIRONMENTAL APPLICATION Grade: 10 Date: 05.06.24 Time: 2 Hrs. Max. Marks:100 [The time stated above is the time allowed for writing the examination. In addition, the first 15 minutes will be the time given for reading the question paper.] GENERAL INSTRUCTIONS This question paper is divided into two sections. Section A contains THREE questions; all questions are compulsory. Section B contains six questions. Answer any four of these questions. Answers must be written in the answer booklet provided. Intended marks for questions or parts of questions are given brackets [ ] Section A [40 MARKS] (Answer all the questions in this section) Question 1 Choose the correct answers to the questions from the given options. [20] (i) Effluent is the term for: (a) Waste gases (b) Solid waste (c) Wastepaper (d) Wastewater (ii) An air pollution control device to remove acidic gaseous pollutants: (a) Electrostatic precipitator (b) Wet scrubber (c) Cyclonic separator (d) Fluidized bed combustion (iii) Two major gases evolved from decomposition of organic fraction of solid waste in landfill. (a) Oxygen and Carbon Dioxide (b) Methane and Nitrogen (c) Nitrogen and Carbon dioxide (d) Methane and Carbon dioxide (iv) Which is NOT a way of reducing pollution from domestic cooking (a)Using Biogas (b)Using LPG (Liquified petroleum gas) (c)Using solid fuels like wood, charcoal or coal (d) Using Solar cooker Page 1 of 6 (v) Assertion: Catalytic converter reduces the array of emissions from an internal combustion engine Reason: Helps in reducing consumption of fossil fuels. (a)A is true but R is false (b)A is false but R is true (c)Both A & R are true and R explains A (d)Both A & R are true but R does not explain A (vi) A soil conservation strategy by placing sandbags or boulders on the path of water flow to reduce the velocity of water: (a) Check dam (b) Tree break (c) Contour bunding (d) Mulching (vii) Dioxin is an example of toxic gas produced during: (a) Mining (b) Incineration (c) Composting (d) Construction (viii) Penalties are: (a) The taxes paid by a person (b) The punishment incurred on the polluter (c) Reduction in tax (d) Subsidies after obeying pollution laws (ix) The founder director of Tarun Bharat Sangh is: (a) M. C. Mehta (b) Dr. Rajendra Singh (c) Medha Patkar (d) Salim Ali (x) Alternatives to timber in building industry: (a) Oak (b) Hemp (c) Papyrus tree (d) Recycled timber (xi) Agroforestry is a community forestry where agriculture is practiced along with ___ and ___ (a) tree plantation and composting (b) employment and exploitation (c) tree plantation and animal husbandry (d) burning of wood and jhumming (xii) Medical waste should be : (a) Reused (b) Recycled (c) Incinerated (d) Composted Page 2 of 6 (xiii) The aim of Basel Convention is (a) Restricting movement of waste (b) Controlling movement of hazardous waste (c) Analysis of waste (d) Characterization of waste (xiv) Which of the following Norms was responsible for phasing out of 2 stroke engines (a) Bharat norms (b) Euro II norms (c) Euro I norms (d) WHO norms (xv) Bagasse is (a) The stalk of the sugarcane left over after extracting the juice (b) The leftover wheat after wheat grains are harvested (c) long, soft shiny fiber used to make burlap, hessian or gunny cloth (d) outer shell or coating of a seed which is used for fertilization of the soil (xvi) Soil erosion takes place due to: (a) Weathering of rocks (b) Siltation (c) Removal of top fertile layer of soil by external agents (d) Dumping of waste on the land (xvii) The method of waste management which makes recycling of waste easier (a) Open dumping (b) Landfills (c) Incineration (d) Segregation (xviii) The planning of Curitiba city is done giving highest priority to (a) Public transport system (b) Industrial development (c) Urban development (d) Smart city development (xix) Choose the correct full form of the given abbreviations: A.SPM Suspended Particulate Mass B.TBS Tarun Balak Sangh C.CNG Compressed Natural Gas D.JFM- Joint Forest Management (a) (b) (c) (d) A&B C&D A&D B&C (xx) The World Heritage sites in the Taj Trapezium Zone are: Page 3 of 6 (a) Taj Mahal, Agra Fort and Akbar Tomb (b) Taj Mahal, Buland Darwaza and Agra Fort (c) Taj Mahal, Agra Fort and Fatehpur Sikri (d) Taj Mahal, Moti masjid, and Fatehpur Sikri Question 2 i. Is incineration of waste a good choice? Justify. [2] ii. Name any two alternative fuels that reduce emission from vehicle. [2] iii. Rural women are given free LPG cylinders under Prime Monoster s Ujjwala Yojana. Why was this Yojana started? (Give any three points) [3] iv. Explain the functioning of hybrid vehicles. List any two advantages. [3] Question 3 i. What are contour bunds? [2] ii. List any two impacts of siltation of waterways. [2] iii. Overgrazing is one of the factors causing soil erosion. Mention any three methods to prevent overgrazing. [3] iv. State any three effects of leaching of toxins from landfills into water bodies. [3] Section B (Answer any four questions from this section) Question 4 i. Air pollution is a major problem in metropolitan cities. Discuss the measures taken by legislation to reduce air pollution with reference to Delhi city. Page 4 of 6 [5] ii. What is meant by JFM ? Explain the role of local people in JFM in controlling deforestation. [5] iii. Disposal of waste is posing severe environmental problems. Discuss the problems of solid waste management in India. [5] Question 5 i. As a responsible citizen of the country what measures would you take to improve the waste disposal in your locality. [5] ii. What are Euro norms? State any three limitations of implementing these norms in India. [5] iii. . Describe the various steps involved in wastewater treatment. What is activated sludge treatment? [5] Question 6 i. To restore the beauty of Taj Mahal, Government of India has taken several measures. One of the measures is to directing the Mathura Oil refinery to reduce the pollutant gases from the plant. Mention any four steps taken by Mathura oil refinery to reduce the air pollutants. [5] ii. Write a short note on the contribution of Tarun Bharat Sangh for soil conservation iii. In which country is Curitiba located? State any four important things we can learn from the traffic management system in Curitiba [5] Question 7 i. Fuelwood is the main source of fuel in rural india. Mention any five impacts of Page 5 of 6 [5] burning fuel wood on rural women. [5] ii. Explain how economic policy measures control motor vehicle pollution? [5] iii. Give an account of the bubble theory. [5] Question 8 i. Discuss any five soil conservation strategies that you would implement as a farmer in a hilly region. [5] ii. As the head of the Eco-club of your school what measures would you take to reduce the use of plastic in your community? [5] iii. Why are remote sensing satellites considered as an effective monitoring tool? [5] Question 9 i. What is the End of pipe' treatment? State two advantages and two disadvantages of 'End of pipe' treatment. [5] ii. State any five barriers to successful community forestry. [5] iii. Study the diagram given below and answer the questions that follow: [5] i. Name the device. [1] ii. What type of air pollution does it control. [1] iii. What is its working principle? [1] iv. Give two advantages of using this device. [1] v. Name any two places where it can be used? [1] Page 6 of 6

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