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!

>>> Join CREST Olympiads WhatsApp Channel for latest updates. International Green Warrior Olympiad Previous Year Paper PDF for Class 10:

If your web browser doesn't have a PDF Plugin. Instead you can Click here to download the PDF

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

Q.1

Q.2

Q.3

Q.4

Q.5

Q.6

Q.7

Q.8

Q.9

Q.10

Q.1	A community relies on a rainwater harvesting system for its water supply. The system collects rainwater from rooftops and stores it in large underground tanks. After a heavy rainfall, the residents notice that the stored water has a brownish colour and an unpleasant odour. What could be the most likely cause of this contamination? 1. Insufficient filtration and disinfection of the rainwater 2. Accumulation of organic debris in the storage tanks 3. Leaching of pollutants from roofing materials
	a) Only 1		b) Only 1 and 2
	c) Only 2 and 3		d) 1, 2 and 3

Q.2	A team of environmental researchers embarked on an expedition to study the impact of rising temperatures on Arctic wildlife. During their research, they noticed a significant decline in the population of polar bears due to habitat loss caused by melting ice caps. Which of the following statements best describes the direct consequence of this decline in the polar bear population?
	a) Increased predation on seals by other Arctic predators		b) Reduced tourism opportunities in the Arctic region
	c) Increased scavenging on land by polar bears		d) Disruption of balance of Arctic marine food webs, impacting various species

Q.3	Geneva is an aquatic biologist working for a local environmental agency. She is studying the impact of excess nutrients and increasing atmospheric CO2 on the health of a nearby bay. She is concerned that the combined effects of these factors could be harming marine life and disrupting the ecosystem. She has developed a flow chart representing the relationships between various elements. Based on your understanding of aquatic ecosystems, identify A, B, C, D, and E.
	a) A: Eutrophication B: Climate change C: Decreased pH D: Warming E: Acidification		b) A: Decline in biodiversity B: Climate change C: Decreased pH D: Dead zones E: Coral bleaching
	c) A: Biomagnification B: Increase in greenhouse gases C: Increased pH D: Warming E: Acidification		d) A: Dead zones B: Global warming C: Acidification D: Decreased 02 E: Increased Ph

Q.4	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.5	You're in the market to purchase a new refrigerator for your home. While browsing, you notice an Energy Star label on a refrigerator that displays a rating of 3. Intrigued by this energy efficiency indicator, you decide to understand what this rating signifies. What does an Energy Star rating of 3 on a refrigerator indicate?
	a) The refrigerator is 3 times more energy efficient than the average refrigerator.		b) The refrigerator is 30% more energy efficient than the average refrigerator.
	c) The refrigerator is 3% more energy efficient than the average refrigerator.		d) The refrigerator is 300% more energy efficient than the average refrigerator.

Q.6	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.7	An environmental organisation has embarked on a project aimed at restoring a degraded river ecosystem. The project involves reintroducing native fish species that have declined due to habitat degradation and water quality issues. Additionally, efforts are being made to improve overall water quality by implementing measures to reduce pollution and restore natural habitat. What could be an anticipated outcome of this restoration effort in the degraded river ecosystem?
	a) Increased biodiversity with the recovery of native fish populations and the return of other aquatic species.		b) Further degradation due to competition among reintroduced fish species and disruption of the existing ecosystem balance.
	c) Decline in water quality as a result of releasing additional fish into an already stressed environment.		d) No significant impact on the river ecosystem as previous damage is irreversible.

Q.8	Biodiversity loss due to deforestation can have a cascading effect on the ecosystem. Which of the following is the LEAST likely consequence of widespread species extinction?
	a) Decreased competition among surviving species.		b) Loss of pollination services, impacting plant reproduction and agricultural yields.
	c) Increase in greenhouse gas emissions due to reduced carbon sinks.		d) Disruption of the food chain, leading to imbalances in predator-prey populations.

Q.9	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.10	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

Your Score: 0/10