🌿 Environmental Science EVS Class 12 Handwritten Notes for JK Board | PDF with Important Questions 2026-2027
📖 Complete JKBOSE Class 12 EVS Syllabus 2026-2027 (Handwritten Notes Covered)
- Air pollution: sources & types
- Impacts on environment
- Criteria pollutants
- Indoor air pollution
- Air pollution control – gaseous & particulate matter
⭐ Important Question: Explain different control measures for gaseous and particulate air pollutants with examples.
- Noise pollution: sources & health effects
- Prevention & control of noise pollution
- Radiation pollution – concept & causes
- Effects of radioactive pollution
- Control measures for radioactive pollution
⭐ Important Question: Discuss the sources and control strategies for noise pollution in urban and industrial areas.
- Surface & groundwater pollution: sources & effects
- Concept of eutrophication and biomagnification
- Marine pollution
- Water pollution control methods
- Sewage treatment plant – Primary, Secondary & Tertiary treatments
⭐ Important Question: Describe the three stages of sewage treatment with a neat labeled diagram.
- Soil: composition & profile
- Indian classification of soil types
- Soil pollution: causes, impacts & control
- Soil erosion: causes, impacts & control
- Desertification & its control measures
⭐ Important Question: What are the major causes of soil erosion in India? Suggest effective control measures.
- Solid wastes: sources, generation & impacts
- Management of solid waste
- Disposal methods: composting, incineration, pyrolysis & sanitary landfill
- E-waste & its management
- Hazardous waste: definition, types & characteristics
- Management of hazardous waste: deep well injection, plasma torch, incineration
⭐ Important Question: Compare sanitary landfill and incineration as solid waste disposal methods. What is e-waste and how can it be managed sustainably?
- Biodiversity levels and importance
- Threats to biodiversity
- Concept of threatened species as per IUCN
- Hot spots of biodiversity
- Biodiversity conservation: in-situ and ex-situ
⭐ Important Question: Differentiate between in-situ and ex-situ biodiversity conservation with suitable examples. What are biodiversity hotspots?
- Global environmental issues – brief introduction
- Climate change and global warming: causes, consequences & control
- Ozone layer depletion: causes, consequences & control
- Acid rain: causes, impacts & control
- Smog: concept, types, impacts & control
⭐ Important Question: Explain the mechanism of ozone layer depletion and the role of the Montreal Protocol. Differentiate between global warming and ozone depletion.
- Brief introduction of regional and local environmental issues
- Impact of industries on environment: brick kilns and cement industries
- Degradation of local water bodies (lakes, wetlands and springs)
- Tourism: impacts and alternates
- Deforestation: causes, consequences and control
⭐ Important Question: Discuss the environmental impacts of brick kilns and cement industries. Suggest mitigation strategies for local water body degradation.
- Sustainable development: concept, history and characteristics
- Goals of sustainable development (SDGs)
- Components of sustainable development: society, environment, culture and economy
- Ecotourism – principles and benefits
- EIA (Environmental Impact Assessment): scope and key elements
⭐ Important Question: What are the key elements of Environmental Impact Assessment (EIA)? Explain the three pillars of sustainable development with examples.
- Salient features of Water (Prevention and control of pollution) Act 1974
- Salient features of Air (Prevention and control of pollution) Act 1981
- Salient features of Environmental Protection Act 1986
- Disaster Management Act 2005
- Kyoto Protocol, Montreal Protocol, Ramsar Convention, CITES
⭐ Important Question: Write the salient features of the Environmental Protection Act 1986. What is CITES and why is it important for biodiversity conservation?
📌 JKBOSE Class 12 EVS Unit-Wise Important Questions 2026-2027
🔍 Master your JKBOSE Class 12 EVS notes PDF with these exam-focused questions:
- ✅ Unit 1 (Air Pollution): What are criteria pollutants? Explain indoor air pollution and its control measures.
- ✅ Unit 2 (Noise & Radiation): Describe radioactive pollution, its effects on human health, and disposal/control measures.
- ✅ Unit 3 (Water Pollution): Differentiate between eutrophication and biomagnification with real-world examples. Explain sewage treatment plant stages.
- ✅ Unit 4 (Soil Degradation): Explain soil profile with a diagram. Discuss causes of desertification in India and its control strategies.
- ✅ Unit 5 (Waste Management): What is e-waste? Suggest eco-friendly management methods for hazardous waste.
- ✅ Unit 6 (Biodiversity Management): Define biodiversity hotspots. Why is in-situ conservation considered more effective than ex-situ for certain species?
- ✅ Unit 7 (Global Issues): Distinguish between global warming and ozone layer depletion. Write control strategies for both.
- ✅ Unit 8 (Regional Issues): How does deforestation affect local climate and water cycles? Suggest community-based afforestation solutions.
- ✅ Unit 9 (Sustainable Development): Explain the scope and key elements of Environmental Impact Assessment (EIA). What is ecotourism?
- ✅ Unit 10 (Legislation & Conventions): Compare the objectives of the Kyoto Protocol and the Ramsar Convention. List salient features of the Air Act 1981.
📖 Pro Tip: Our Environmental Science EVS Class 12 Handwritten Notes for JK Board include detailed, step-by-step answers to ALL the above questions. Each answer is handwritten, easy to memorize, and follows JKBOSE marking scheme for 2026-2027.
📥 Get complete Class 12 Environmental Science Handwritten Notes for JKBOSE PDF with all 10 units, diagrams, and important questions.
⚡ Instant PDF on WhatsApp — Click below & type “EVS Notes”.
📩 PDF Download EVS Notes PDF via WhatsAppAlso check our AI Study Notes Generator for personalized revision material.
❓ Frequently Asked Questions – JKBOSE Class 12 EVS Notes & Important Questions
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🌿 Environmental Science EVS Class 12 Handwritten Notes for JK Board | PDF with Important Questions 2026-2027
📖 Complete JKBOSE Class 12 EVS Syllabus 2026-2027 (Handwritten Notes Covered)
- Air pollution: sources & types
- Impacts on environment
- Criteria pollutants
- Indoor air pollution
- Air pollution control – gaseous & particulate matter
⭐ Important Question: Explain different control measures for gaseous and particulate air pollutants with examples.
- Noise pollution: sources & health effects
- Prevention & control of noise pollution
- Radiation pollution – concept & causes
- Effects of radioactive pollution
- Control measures for radioactive pollution
⭐ Important Question: Discuss the sources and control strategies for noise pollution in urban and industrial areas.
- Surface & groundwater pollution: sources & effects
- Concept of eutrophication and biomagnification
- Marine pollution
- Water pollution control methods
- Sewage treatment plant – Primary, Secondary & Tertiary treatments
⭐ Important Question: Describe the three stages of sewage treatment with a neat labeled diagram.
- Soil: composition & profile
- Indian classification of soil types
- Soil pollution: causes, impacts & control
- Soil erosion: causes, impacts & control
- Desertification & its control measures
⭐ Important Question: What are the major causes of soil erosion in India? Suggest effective control measures.
- Solid wastes: sources, generation & impacts
- Management of solid waste
- Disposal methods: composting, incineration, pyrolysis & sanitary landfill
- E-waste & its management
- Hazardous waste: definition, types & characteristics
- Management of hazardous waste: deep well injection, plasma torch, incineration
⭐ Important Question: Compare sanitary landfill and incineration as solid waste disposal methods. What is e-waste and how can it be managed sustainably?
- Biodiversity levels and importance
- Threats to biodiversity
- Concept of threatened species as per IUCN
- Hot spots of biodiversity
- Biodiversity conservation: in-situ and ex-situ
⭐ Important Question: Differentiate between in-situ and ex-situ biodiversity conservation with suitable examples. What are biodiversity hotspots?
- Global environmental issues – brief introduction
- Climate change and global warming: causes, consequences & control
- Ozone layer depletion: causes, consequences & control
- Acid rain: causes, impacts & control
- Smog: concept, types, impacts & control
⭐ Important Question: Explain the mechanism of ozone layer depletion and the role of the Montreal Protocol. Differentiate between global warming and ozone depletion.
- Brief introduction of regional and local environmental issues
- Impact of industries on environment: brick kilns and cement industries
- Degradation of local water bodies (lakes, wetlands and springs)
- Tourism: impacts and alternates
- Deforestation: causes, consequences and control
⭐ Important Question: Discuss the environmental impacts of brick kilns and cement industries. Suggest mitigation strategies for local water body degradation.
- Sustainable development: concept, history and characteristics
- Goals of sustainable development (SDGs)
- Components of sustainable development: society, environment, culture and economy
- Ecotourism – principles and benefits
- EIA (Environmental Impact Assessment): scope and key elements
⭐ Important Question: What are the key elements of Environmental Impact Assessment (EIA)? Explain the three pillars of sustainable development with examples.
- Salient features of Water (Prevention and control of pollution) Act 1974
- Salient features of Air (Prevention and control of pollution) Act 1981
- Salient features of Environmental Protection Act 1986
- Disaster Management Act 2005
- Kyoto Protocol, Montreal Protocol, Ramsar Convention, CITES
⭐ Important Question: Write the salient features of the Environmental Protection Act 1986. What is CITES and why is it important for biodiversity conservation?
📌 JKBOSE Class 12 EVS Unit-Wise Important Questions 2026-2027
🔍 Master your JKBOSE Class 12 EVS notes PDF with these exam-focused questions:
- ✅ Unit 1 (Air Pollution): What are criteria pollutants? Explain indoor air pollution and its control measures.
- ✅ Unit 2 (Noise & Radiation): Describe radioactive pollution, its effects on human health, and disposal/control measures.
- ✅ Unit 3 (Water Pollution): Differentiate between eutrophication and biomagnification with real-world examples. Explain sewage treatment plant stages.
- ✅ Unit 4 (Soil Degradation): Explain soil profile with a diagram. Discuss causes of desertification in India and its control strategies.
- ✅ Unit 5 (Waste Management): What is e-waste? Suggest eco-friendly management methods for hazardous waste.
- ✅ Unit 6 (Biodiversity Management): Define biodiversity hotspots. Why is in-situ conservation considered more effective than ex-situ for certain species?
- ✅ Unit 7 (Global Issues): Distinguish between global warming and ozone layer depletion. Write control strategies for both.
- ✅ Unit 8 (Regional Issues): How does deforestation affect local climate and water cycles? Suggest community-based afforestation solutions.
- ✅ Unit 9 (Sustainable Development): Explain the scope and key elements of Environmental Impact Assessment (EIA). What is ecotourism?
- ✅ Unit 10 (Legislation & Conventions): Compare the objectives of the Kyoto Protocol and the Ramsar Convention. List salient features of the Air Act 1981.
📖 Pro Tip: Our Environmental Science EVS Class 12 Handwritten Notes for JK Board include detailed, step-by-step answers to ALL the above questions. Each answer is handwritten, easy to memorize, and follows JKBOSE marking scheme for 2026-2027.
📥 Get complete Class 12 Environmental Science Handwritten Notes for JKBOSE PDF with all 10 units, diagrams, and important questions.
⚡ Instant PDF on WhatsApp — Click below & type “EVS Notes”.
📩 Download EVS Notes PDF via WhatsAppAlso check our AI Study Notes Generator for personalized revision material.