International Green Warrior Olympiad Class 10 Sample Paper

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Syllabus:

Clean Water and Sanitation

• Water sources and quality: Sources of clean water (e.g., rivers, lakes, groundwater), water quality testing and monitoring, role of water treatment plants in ensuring safe drinking water
• Sanitation and hygiene: Importance of proper sanitation and hygiene practices, safe disposal of waste and human excreta, role of handwashing in disease prevention
• Waterborne diseases: Common waterborne diseases (e.g., cholera, diarrhoea), how waterborne diseases spread and impact public health, prevention through clean water and sanitation practices
• Water conservation and efficiency: The water cycle and its importance, strategies for water conservation at home and in communities, technologies for efficient water use (e.g., low-flow fixtures)
• Emerging technologies for clean water: Introduction to innovative water purification technologies, solar water purifiers, filtration systems, and water-purifying plants
• Water and the environment: Impact of water pollution on ecosystems and biodiversity, case studies on polluted rivers and oceans, the role of communities in protecting water sources
• Water pollution and treatment: Sources and types of water pollution (e.g., industrial, agricultural), effects of pollution on aquatic ecosystems and human health, wastewater treatment processes and their importance

Affordable and Clean Energy

• Affordable and clean energy: Differentiating between clean and fossil fuel-based energy sources
• Fossil fuels and their consequences: Understanding the environmental impact of fossil fuel use (coal, oil, natural gas), air and water pollution caused by fossil fuels, the role of carbon emissions in climate change
• Alternative energy sources: Solar, wind, hydropower, geothermal, hydro, tidal, wave, biofuel etc., sources of low-carbon energy, advantages of using renewable energy in a domestic setting (solar power, geothermal heat pumps, small wind systems)
• Energy conservation and efficiency: Ways to conserve energy in daily life, benefits of conservation of energy. improving energy efficiency in homes, buildings, and industries can significantly reduce energy consumption. energy-efficient appliances, led lighting, and well-insulated buildings are examples of ways to achieve this.

Sustainable Cities and Communities

• Sustainable water management: Introduction to sustainable water management, rainwater harvesting and greywater recycling, water reuse and recycling practices
• Sustainable waste management: Encourage waste reduction, reuse of materials, and recycling to minimize waste generation
• Environmental sustainability: Preserve green spaces, parks, and natural habitats to support biodiversity
• Effects of urbanisation and sustainable urbanisation

Responsible Consumption and Production

• Responsible technology consumption: The environmental and social consequences of electronics consumption, e-waste management and responsible disposal, strategies for extending the lifespan of electronic devices
• The 5 r's: Reduce, reuse, recycle, repurpose, and refuse
• Reducing energy consumption in daily life, The role of energy-efficient appliances
• Making sustainable purchasing decisions

Climate Action

• Introduction to climate change: Definition of climate change and global warming, evidence of climate change (e.g., temperature records, ice melt, sea-level rise)
• Greenhouse effect and global warming: Understanding the greenhouse effect, role of greenhouse gases (e.g., carbon dioxide, methane), link between human activities and increased greenhouse gas concentrations
• Impacts of climate change: Effects on weather patterns and extreme events, economic and social consequences of climate change, examples of climate change impacts
• Mitigation and adaptation strategies: Reducing greenhouse gas emissions (mitigation), strategies for energy efficiency and renewable energy, climate adaptation measures and resilience building
• Climate change solutions at the individual level: Sustainable lifestyle choices, reducing carbon footprint in daily life

Life Below Water

• Preserving life below water: Reduce marine pollution, protect and restore ecosystems, reduce ocean acidification, practice sustainable fishing, conserve coastal and marine areas etc.
• Sustainable fisheries and aquaculture: Sustainable fishing practices, responsible aquaculture and fish farming, overfishing and bycatch
• Threats to life underwater: Addressing threats like climate change, debris, dead zones, toxic spills, overfishing, shoreline development, coastal erosion, ocean acidification

Life On Land

• Protect, restore, and promote the sustainable use of terrestrial ecosystems: Managing forests sustainably, combating desertification, restoring degraded land and soil, halting biodiversity loss, protecting threatened species
• Forest ecosystems and their importance: Introduction to forest ecosystems (temperate, tropical, boreal), role of forests in carbon storage and climate regulation, deforestation and its impacts

Food Security and Agriculture

• Food choices and sustainable eating: The environmental impact of food choices, sustainable diets and the benefits of local, seasonal foods, reducing food waste and practicing mindful eating
• Food waste reduction: The global problem of food waste, strategies for reducing food waste
• Sustainable agriculture and land use: Sustainable farming practices (e.g., organic, agroecology), role of regenerative agriculture in soil health, urban agriculture and community gardens
• Promoting farming systems that use climate-smart techniques and produce a diverse mix of foods
• Improving supply chains to reduce post-harvest food losses
• Implementing resilient agricultural practices that increase productivity and production

Sample Paper Marking Scheme Free Study Material

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Q.10

Q.1	Imagine two households, the Smiths and the Joneses, who both live in similar apartments with identical appliances like refrigerators, washing machines, and TVs. However, their energy-saving habits differ. Which scenario best demonstrates an effective energy-saving habit? A. The Smiths replaced all their light bulbs with LEDs. B. The Smiths run their dishwasher and washing machine with small loads. C. Jonases seals air leaks around windows and doors to improve insulation. D. Jonases leave their TVs and game consoles on standby mode overnight.
	a) A and B only		b) A and C only
	c) A, B and C only		d) B, C and D only

Q.2	Over-extraction of groundwater can lead to various negative consequences. Which of the following is NOT a potential consequence of excessive groundwater extraction?
	a) Increased soil fertility		b) Land subsidence
	c) Saltwater Intrusion		d) Decreased baseflows in rivers

Q.3	During a summer heatwave, a meteorological study compares temperature variations between an urban area and its nearby rural surroundings. The findings are provided in the graph below. Which of the statement(s) accurately describes the observed temperature variations between the urban and rural areas? 1. Urban areas generally have lower vegetation cover, leading to increased temperatures due to reduced shade and less evaporative cooling. 2. The urban areas have more concrete and asphalt surfaces, retaining more heat. 3. Decreased wind circulation in the rural area causes temperature drops. 4. Rural areas contain more open spaces, facilitating better air circulation and lower temperatures.
	a) Only 1, 2 and 4		b) Only 1 and 4
	c) Only 2, 3 and 4		d) 1, 2, 3 and 4

Q.4	Jason is an environmental enthusiast concerned about the sustainability of fish and seafood due to overfishing and its impact on marine ecosystems. He's looking for alternative protein sources to reduce his reliance on fish and seafood in his diet. What are some alternative protein sources that Jason can consider to help reduce his reliance on fish and seafood? 1. Plant-based proteins such as beans and lentils 2. Soy-based products like tofu 3. Vegan products such as sunflower and olive oil
	a) Only 1		b) Only 1 and 2
	c) Only 2 and 3		d) 1, 2 and 3

Q.5	Imagine you're a conservation biologist studying the environmental impact of electronics. You're particularly concerned with the extraction of raw materials needed for manufacturing, like lithium and cobalt. Which of the following indirect consequences is likely to negatively affect ecosystems due to this mining activity?
	a) Improved ecosystem resilience		b) Increased carbon sequestration
	c) Improved connectivity in the area		d) Habitat destruction and soil degradation

Q.6	A team of environmentalists is proposing the establishment of a protected area that integrates conservation efforts with sustainable development. This proposed area aims to safeguard biodiversity while allowing human activities that are compatible with nature conservation. Which type of protected area aligns best with the team's objectives?
	a) National Parks		b) Wildlife Sanctuaries
	c) Biosphere Reserves		d) Marine Protected Areas

Q.7	A local river, which serves as a crucial water source for the community, has been experiencing deteriorating water quality. Which parameter is primarily used to indicate organic pollution in freshwater systems?
	a) Dissolved oxygen		b) pH
	c) Total Dissolved Solids (TDS)		d) Turbidity

Q.8	You are part of a student-led environmental club focused on sustainability within the local community. As part of a research project, your team collected data on food waste percentages at different stages of the local food supply chain. Considering the information provided, which of the following strategies could effectively reduce food wastage? 1. Optimise transportation methods 2. Implement quality control 3. Promote landfill disposal 4. Minimise overproduction
	a) Only 1, 2 and 3		b) Only 1, 2 and 4
	c) Only 2, 3 and 4		d) 1, 2, 3 and 4

Q.9	Your town currently relies on chlorine for water disinfection, but concerns about its byproducts have prompted the exploration of alternative methods. Using ozone treatment during wastewater treatment (shown in the picture below) has emerged as a promising option. Which of the following is the main advantage of ozone in water purification?
	a) It adds taste and odour to water, improving its quality for consumption.		b) It effectively kills bacteria and viruses, ensuring safer and cleaner drinking water.
	c) It assists in the sedimentation process, aiding in the removal of particles from water.		d) It lowers the pH level of water, making it less acidic and more suitable for consumption.

Q.10	A rural village has limited access to electricity, relying primarily on kerosene lamps for lighting. Kerosene use has been linked to respiratory problems and indoor air pollution. The village council is considering ways to improve access to clean and reliable electricity. Which of the following would be the most effective long-term solution to address both health concerns and energy needs?
	a) Distributing more kerosene lamps with improved ventilation.		b) Providing solar-powered lighting systems to each household.
	c) Encouraging households to use candles instead of kerosene lamps.		d) Constructing additional diesel-powered generators for increased electricity.

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