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	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.2	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.3	A scientist is monitoring the water quality of a lake used for recreational activities. She observes a sudden increase in the lake's phytoplankton population, followed by a decrease in the DO level and a rise in fish mortality. This phenomenon is most likely due to:
	a) An accidental oil spill in the lake		b) A natural seasonal shift in the lake's ecosystem
	c) Increased water flow from a nearby industrial facility		d) Excessive nutrient runoff from agricultural lands

Q.4	In a workshop discussing electronic waste reduction, participants explore devices that are more susceptible to shorter lifespans because of rapid advancements in technology and frequent model upgrades. Which of the following devices is MOST prone to shorter lifespans due to these factors?
	a) Smartphones and laptops		b) Refrigerators and kitchen appliances
	c) Washing machines and dryers		d) Microwave ovens and coffee makers

Q.5	Scientists at a climate research institute are investigating the relationship between water vapour and Earth's greenhouse effect. They aim to identify the accurate description of this relationship to better understand its implications. Which of the following accurately describes the relationship between water vapour and Earth's greenhouse effect?
	a) Water vapour primarily acts as a cooling agent by reflecting solar radiation away from Earth's surface.		b) Increased water vapour directly causes a reduction in the greenhouse effect, leading to global cooling.
	c) Water vapour amplifies the greenhouse effect by trapping heat radiated from Earth, contributing to global warming.		d) Elevated water vapour levels in the atmosphere do not influence the greenhouse effect nor climate change.

Q.6	You are watching a wildlife documentary where a pod of migrating humpback whales suddenly changed their course, avoiding a polluted area in the river. It was later shown that the scientists discovered high levels of mercury in the water. How could this pollution potentially threaten the whales? 1. Weaken their immune system 2. Damage their nervous system, impacting movement 3. Blur their vision, hindering navigation and hunting
	a) Only 1		b) Only 1 and 2
	c) Only 2 and 3		d) 1, 2 and 3

Q.7	You're passionate about reducing your environmental footprint, particularly concerning packaging materials. You've come across a study that highlights the significance of recycling and reuse in lessening the environmental impact of packaging. Which of the following statements accurately reflects the environmental impact of recycling and reuse in relation to packaging materials?
	a) Recycling is always the most environmentally friendly option, regardless of the material.		b) Recycling and reuse are equally effective in reducing the environmental impact of packaging.
	c) Recycling and reuse are not effective strategies for reducing the environmental impact of packaging.		d) Reuse is generally more environmentally friendly than recycling, especially for non-recyclable materials.

Q.8	You are part of a community initiative aiming to reduce carbon emissions and combat climate change. The group is discussing strategies, and one member proposes focusing on energy efficiency. Which statement best supports the role of energy efficiency in this context?
	a) Energy efficiency has minimal impact on reducing carbon emissions compared to other measures.		b) Prioritising energy efficiency leads to a rise in carbon emissions due to increased energy usage.
	c) Energy efficiency strategies primarily increase energy consumption, hindering efforts to combat climate change.		d) Implementing energy-efficient practices can significantly reduce carbon emissions by decreasing energy consumption.

Q.9	Considering the impact of climate change, which region might experience a significant rise in the frequency of extreme weather events such as heatwaves and the formation of heat domes?
	a) Polar regions		b) Coastal regions with strong sea breezes
	c) Mid-latitude regions		d) Mountainous regions

Q.10	Rohan is a fitness enthusiast and prioritises protein intake. He usually opts for whey protein powder derived from dairy after workouts. His friend Raj suggests trying plant-based alternatives like pea protein or soy protein for environmental reasons. Rohan is sceptical about their effectiveness. What is the most accurate and helpful information Rohan can share with Raj to consider?
	a) While some plant-based proteins may be slightly less effective, they offer environmental benefits and can still support fitness goals.		b) Plant-based proteins are inferior to whey proteins in terms of muscle building and recovery.
	c) The environmental impact of protein powder is minimal compared to other food choices, so switching is unnecessary.		d) The protein source doesn't matter as long as the total protein intake is sufficient.

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