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

Q.1

Q.2

Q.3

Q.4

Q.5

Q.6

Q.7

Q.8

Q.9

Q.10

Q.1	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.2	You typically wash a full load of laundry with hot water (40°C). Based on the provided information, which of the following options would have the potential to reduce your total laundry energy consumption? A. Washing smaller loads more frequently instead of a full load once a week. B. Switching to warm water (30°C) for most washes. C. Air-drying your clothes instead of using the dryer entirely. D. Cleaning the lint screen in your dryer after every load to improve airflow.
	a) A only		b) A and B only
	c) B, C and D only		d) A, B, C and D

Q.3	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.4	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.5	Given below is a flowchart illustrating how human activities contribute to climate change and its consequences. Identify the gaps marked as A, B, C, and D based on your understanding.
	a) A: Atmospheric CO2 B: Atmospheric CH4 C: Carbon sequestration D: Natural disasters		b) A: Atmospheric CO B: Atmospheric CH4 C: Global warming D: Wildfires
	c) A: Atmospheric CH4 B: Atmospheric CO2 C: Ozone layer depletion D: Sea level rise		d) A: Atmospheric CO2 B: Atmospheric CH4 C: Global warming D: Extreme weather events

Q.6	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.7	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.8	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.9	Researchers conducted an experiment to assess the effectiveness of green roofs in reducing indoor temperatures. They compared the energy consumption of buildings with and without green roofs during summer months. The results showed a noticeable decrease in energy usage in buildings with green roofs. What does this experiment suggest about the role of green roofs in climate change mitigation?
	a) Green roofs increase energy consumption, contributing to climate change.		b) Green roofs have no impact on indoor temperatures or energy usage.
	c) Green roofs release greenhouse gases, exacerbating global warming.		d) Green roofs decrease energy consumption, mitigating the urban heat island effect.

Q.10	The following table shows the average temperature and precipitation for three different biomes. Based on your understanding, answer the following questions. A. Which biome is expected to experience the most severe drought stress due to reduced rainfall? B. Which biome is expected to experience the most significant changes in soil drainage and nutrient availability due to melting permafrost? C. Which biome is expected to experience the changes in the distribution of oak species due to rising temperatures? Biome Average Temperature (oC) Average Precipitation (mm) Temperature forest 10 800 Tropical rainforest 25 2,500 Boreal forest -5 500
	a) A: Boreal forest B: Temperate forest C: Tropical rainforest		b) A: Tropical rainforest B: Boreal forest C: Temperate forest
	c) A: Temperate forest B: Tropical rainforest C: Boreal forest		d) A: Tropical rainforest B: Temperate forest C: Boreal forest

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