International Green Warrior Olympiad Class 9 Previous Year Paper

Want your child to think critically about the environment? The International Green Warrior Olympiad for Class 9 is designed to encourage deeper understanding of sustainability and eco-friendly living. Solving previous year papers is an excellent way to prepare effectively.

What Makes Past Papers Valuable?

• Covers key topics such as Sustainable Cities and Communities, Responsible Consumption and Production & Food Security and Agriculture etc.
• Boosts awareness of global environmental challenges and inspires responsible thinking.
• Helps students get familiar with Olympiad question formats and improve their performance with practice.

Download the Class 9 International Green Warrior Olympiad Previous Year Paper PDF and help your child take a confident step toward becoming an eco-conscious problem solver!

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Syllabus:

Clean Water and Sanitation

1. 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
2. Sanitation and hygiene: Importance of proper sanitation and hygiene practices, safe disposal of waste and human excreta, role of handwashing in disease prevention
3. Waterborne diseases: Common waterborne diseases (e.g., cholera, diarrhoea), how waterborne diseases spread and impact public health, prevention through clean water and sanitation practices
4. 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)
5. Emerging technologies for clean water: Introduction to innovative water purification technologies, solar water purifiers, filtration systems, and water-purifying plants
6. 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
7. 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

1. Affordable and clean energy: Differentiating between clean and fossil fuel-based energy sources
2. 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
3. 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)
4. 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

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

Responsible Consumption and Production

1. 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
2. The 5 r's: Reduce, reuse, recycle, repurpose, and refuse
3. Reducing energy consumption in daily life, The role of energy-efficient appliances
4. Making sustainable purchasing decisions

Climate Action

1. Introduction to climate change: Definition of climate change and global warming, evidence of climate change (e.g., temperature records, ice melt, sea-level rise)
2. 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
3. Impacts of climate change: Effects on weather patterns and extreme events, economic and social consequences of climate change, examples of climate change impacts
4. Mitigation and adaptation strategies: Reducing greenhouse gas emissions (mitigation), strategies for energy efficiency and renewable energy, climate adaptation measures and resilience building
5. Climate change solutions at the individual level: Sustainable lifestyle choices, reducing carbon footprint in daily life

Life Below Water

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

Life On Land

1. 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
2. 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

1. 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
2. Food waste reduction: The global problem of food waste, strategies for reducing food waste
3. Sustainable agriculture and land use: Sustainable farming practices (e.g., organic, agroecology), role of regenerative agriculture in soil health, urban agriculture and community gardens
4. Promoting farming systems that use climate-smart techniques and produce a diverse mix of foods
5. Improving supply chains to reduce post-harvest food losses
6. 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 an environmental scientist analysing water quality parameters from two different sources, Source A and Source B. These sources provide water to nearby ecosystems. Consider the following data table showing water quality parameters from two different sources. Based on this data, which of the statements is most likely true? 1. Higher nutrient levels in Source A suggest an increased likelihood of eutrophication. 2. Source B has higher Dissolved Oxygen and Total Dissolved Solids (TDS) than Source A, implying better water quality for the nearby ecosystems. 3. Lower Dissolve Oxygen levels in Source A indicate the potential for oxygen depletion due to increased organic matter decomposition. D. Hypoxic and alkaline conditions in Source B can lead to the formation of algal blooms. Parameter Source A Source B pH 6.8 8.2 Dissolved Oxygen 2.5 mg/L 5.0 mg/L Nitrate Levels 2.0 mg/L 0.5 mg/L Total Dissolved Solids (TDS) 300 ppm 500 ppm
	a) Only 1 and 2		b) Only 2 and 3
	c) Only 1 and 3		d) Only 2 and 4

Q.2	Consider the case study given below and answer the following question: Title: Forests as Crucial Carbon Capture Systems Forests play a critical role in mitigating climate change by capturing and storing carbon dioxide from the atmosphere. Trees absorb carbon dioxide through photosynthesis and use it to grow. The carbon is then stored in the tree's biomass (wood, leaves, branches, and roots) and soil. Forests also help to regulate the climate by releasing water vapour into the atmosphere, which can form clouds and reflect sunlight back into space. Trees are the most significant carbon sink in forests, storing carbon in their biomass. The amount of carbon stored in a tree depends on its species, size, and age. Young forests capture carbon rapidly due to the quick growth of trees. Middle-aged forests store relatively greater amounts of carbon as trees grow slower but sequester more carbon. Old-growth forests contain large trees that retain carbon for extended periods, albeit at a slower rate due to fewer trees overall. Forest soils contain diverse forms of carbon influenced by soil type, vegetation, and geography. Soil properties, such as high organic content or frozen conditions, significantly impact carbon storage potential. The carbon captured by forests is eventually returned to the atmosphere through processes like decomposition and respiration. Different forest types exhibit varying rates of carbon capture and release. Tropical forests capture carbon rapidly but can release it quickly too. In contrast, temperate forests offer a balanced solution. Effective management strategies, such as forest preservation, sustainable forestry practices, forest expansion, and invasive species control, are crucial in optimising carbon sequestration potential while maintaining ecosystem balance. Imagine conducting an experiment measuring carbon sequestration rates in four different forest types over the span of a year. Based on your understanding of the case study, which forest type would you expect to demonstrate the highest rate of carbon capture per unit area within a year?
	a) Young temperate forest		b) Old-growth tropical forest
	c) Middle-aged temperate forest		d) Young tropical forest

Q.3	Consider the following statements and choose the accurate one: Statement 1: Climate change impacts are solely limited to present environmental modifications. Statement 2: Climate change poses significant threats, including flooding, extreme heat, economic loss, and increased vulnerability, particularly for disadvantaged communities with limited resources.
	a) Statement 1 is incorrect but statement 2 is correct.		b) Statement 1 is correct but statement 2 is incorrect.
	c) Both the statements are correct.		d) Both the statements are incorrect.

Q.4	A group of students studying ecology in a temperate forest notices a sharp decline in the local frog population. They discover that a new housing development has encroached upon a wetland area that was once home to a diverse array of amphibians. What is the likely consequence of the wetland habitat loss on the surrounding forest ecosystem?
	a) Disruption of food webs and energy flow, potentially impacting other animal populations.		b) An imbalance in the nitrogen cycle as frogs play a vital role in decomposing organic matter.
	c) Enhanced soil fertility and plant growth due to nutrient-rich runoff from the development.		d) Increased insect populations due to the absence of natural predators like frogs.

Q.5	Dylan is considering buying a new smartphone. He knows that smartphones have a short lifespan and contribute to e-waste. He finds a company that offers a phone made with recycled materials and ethical sourcing practices. Compared to a conventional phone, how would this choice impact Dylan's environmental footprint?
	a) It would only slightly lessen his environmental impact, as smartphone production is inherently resource-intensive.		b) It would significantly reduce his e-waste generation and support ethical labour practices.
	c) It would have a negligible effect, as the majority of the environmental impact comes from smartphone usage.		d) It would increase his footprint due to the higher production cost and potential for shorter lifespan.

Q.6	A family living in a region with abundant clean hydropower is considering replacing their ageing gas oven with a new electric model. However, they are concerned about the overall environmental impact of each option. Analyse the following data table and choose the most likely outcome of switching to electric based on environmental considerations. Factor Gas Oven Electric Oven Fuel source Natural gas Hydropower Greenhouse gas emissions (per kWh) 0.4 kg CO2e 0.05 kg CO2e Energy efficiency 70% 85% Manufacturing emissions Low Moderate
	a) The outcome depends on the specific cooking habits and energy consumption of the family.		b) Both options contribute similar amounts of greenhouse gasses and the choice is negligible in terms of environmental impact.
	c) The gas oven will likely have a lower overall ecological footprint due to lower manufacturing emissions and electric oven will have higher.		d) The electric oven will definitely have a lower overall ecological footprint and the gas oven will have higher.

Q.7	The graph below demonstrates a 50% reduction in post-harvest food losses achieved by a cooperative of farmers through enhanced packaging and transportation practices. What specific strategies in packaging and transportation could account for this significant success?
	a) Using biodegradable packaging materials and increasing the number of intermediaries in the supply chain.		b) Utilising airtight packaging to preserve freshness and optimising transportation routes to minimise travel time and handling.
	c) Employing large packaging to fit more produce and reduce the number of trips.		d) Using basic packaging materials and increasing the frequency of deliveries to retailers.

Q.8	A local environmental agency is tasked with evaluating the water quality of a river that runs through a town. The river serves as a primary source of drinking water, recreational activities, and supports aquatic life. Concerns have been raised about the river's health due to changes in its appearance and reports of fish mortality. Please select the most appropriate answer that reflects the main categories relevant to evaluating the river's water quality.
	a) Point source, non-point source, and groundwater		b) Organic, inorganic and synthetic parameters
	c) Physical, chemical, and biological factors		d) Natural, artificial and treated sources of water

Q.9	Imagine you're a development consultant working with a government agency in a developing country concerned about the high levels of post-harvest food losses. You're tasked with recommending the most impactful intervention based on the data provided in the graph below. Which intervention would likely yield the greatest reductions in overall food losses while maximising impact across multiple commodities?
	a) Investing in improved storage facilities at the farm level.		b) Training retailers on proper handling and display techniques.
	c) Strengthening cold chain infrastructure across the supply chain.		d) Promoting consumer awareness about food waste reduction.

Q.10	You and your friends enjoy a delicious pizza lunch, packed with toppings like pepperoni, cheese, and pineapple. Later, while scrolling through social media, you come across a post highlighting the environmental impact of meat production. This sparks a conversation about your food choices and how they might affect the planet. Considering the environmental footprints of your pizza toppings, which topping likely had the highest emissions associated with its production? 1. Pepperoni 2. Cheese 3. Pineapple
	a) Only 1		b) Only 2
	c) Only 3		d) 1, 2 and 3

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