International Green Warrior Olympiad Class 10 Previous Year Paper

The International Green Warrior Olympiad for Class 10 is designed to challenge students with thought-provoking questions on global environmental issues. It's the perfect platform to connect classroom learning with real-world sustainability challenges-and previous year papers are the key to smart preparation!

Why Practise with Previous Year Papers?

• Explores advanced topics like Clean Water and Sanitation, Affordable and Clean Energy & Sustainable Cities and Communities etc.
• Enhances critical thinking and decision-making skills related to environmental impact.
• Improves accuracy and speed by getting familiar with the question formats and exam style.

Download the Class 10 International Green Warrior Olympiad Previous Year Paper PDF and help your child take a confident step towards becoming a future-ready environmental leader!

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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

Previous Year Questions

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Q.1	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) Implementing energy-efficient practices can significantly reduce carbon emissions by decreasing energy consumption.		d) Energy efficiency strategies primarily increase energy consumption, hindering efforts to combat climate change.

Q.2	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.3	Consider the case study given below and answer the following question: Case Study: The Müller Family's Journey to Renewable Energy The Müller family, residing in a charming village in the German countryside, had always been conscious about their environmental impact. In 2022, they decided to take an active step towards a greener lifestyle by installing a rooftop solar panel system. Their primary motivation was to reduce their reliance on fossil fuels and contribute to mitigating climate change. However, as they embarked on this journey, they discovered a plethora of other benefits: Environmental Benefits: -Reduced Carbon Footprint: The solar panels generated clean energy, leading to a significant reduction in their carbon emissions. This translated to a cleaner environment for their family, their community, and the planet. -Improved Air Quality: By relying less on fossil fuels, the Müllers contributed to cleaner air in their region, which improved their overall health and well-being. Financial Benefits: -Reduced Electricity Bills: The solar panels generate enough electricity to cover a significant portion of their household energy needs, resulting in substantial savings on their monthly electricity bills. This provided them with financial stability and freed up resources for other expenses. -Government Incentives: The German government offers various financial incentives for individuals and families adopting renewable energy solutions. The Müllers took advantage of these incentives, further reducing the cost of their solar panel system and accelerating their return on investment. Lifestyle Benefits: -Energy Independence: The Müllers achieved a sense of energy independence by generating their own clean energy. This gave them greater control over their energy consumption and reduced their dependence on the national grid, especially during peak hours. -Enhanced Home Value: Homes with renewable energy systems are becoming increasingly sought-after, leading to a potential increase in the value of the Müller's property. Overall Impact: The Müller family's experience showcases the numerous benefits of adopting renewable energy in a domestic setting. Their commitment to environmental sustainability not only helped them create a cleaner future but also resulted in financial savings and enhanced their quality of life. Their story serves as an inspiration for others to consider switching to renewable energy and contribute to a more sustainable future. Which of the following statements best describes the primary motivation of the Müller family to switch to renewable energy? 1. Environmental sustainability 2. Financial savings 3. Increased energy independence 4. Minimising the environmental impact
	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.4	Boreal forests, found predominantly in the Northern Hemisphere, play a significant role in global carbon storage. How do the cold temperatures in these regions affect carbon storage in boreal forests?
	a) Accelerates tree growth		b) Slows down decomposition rates
	c) Reduces the need for photosynthesis		d) Increases evaporation rates

Q.5	In a community relying on private well water, residents suspect mercury contamination due to industrial activities in the vicinity. They conduct water tests, and the results show varying mercury concentrations across different households. Analyse the provided table showcasing mercury levels in parts per billion (ppb) from five different wells. Based on the data, which conclusion is most likely accurate regarding the mercury contamination in the private wells? Well Number Mercury Concentration (ppb) Well 1 0.8 Well 2 4.3 Well 3 1.5 Well 4 0.3 Well 5 3.9
	a) The contamination is evenly distributed across all wells due to a single, widespread source.		b) The shallowest well (with the lowest water table) is likely the most contaminated.
	c) Only some wells show elevated mercury levels, suggesting localised sources of contamination.		d) The contamination originates from an industrial facility located closest to Well 2.

Q.6	The government of a country is planning to build a new nuclear power plant to meet increasing energy demands. The scientists and engineers involved are discussing the choice of uranium isotopes for fuel. During the discussion, they are considering various factors for the most suitable isotope. Considering the discussion among the scientists and engineers, why is uranium-235 (U-235) preferred for nuclear fission in power plants?
	a) It is more abundant in nature compared to other isotopes.		b) It releases less heat compared to other isotopes.
	c) Its atoms are easily split apart, releasing energy.		d) It requires minimal processing before use as a fuel.

Q.7	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.8	A small town located in a desert region is experiencing frequent power outages due to an ageing grid infrastructure. The town council is considering investing in renewable energy to improve energy security and reduce reliance on the grid. The system needs to be reliable, cost-effective, and able to meet the community's energy needs throughout the year. Which combination of renewable energy sources would be the most appropriate for this project?
	a) Geothermal energy and tidal energy		b) Solar power and wind power
	c) Biomass energy and hydro energy		d) Solar power and hydro energy

Q.9	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.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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