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	In a region prone to erratic weather patterns, farmers face the recurring challenge of water scarcity. A group of agricultural researchers suggests adopting sustainable practices to mitigate the effects of drought. What would be the most effective way to implement this solution?
	a) Installing rainwater collection tanks connected to drip irrigation systems		b) Educating farmers on traditional irrigation methods
	c) Introducing large-scale sprinkler systems for uniform water distribution		d) Encouraging farmers to rely solely on groundwater extraction

Q.2	A study conducted in the North Atlantic found that a specific population of cod had been overfished for decades. As a result, the average size of cod in the population had decreased by 20%. What are the potential consequences of this decrease in size for the cod population?
	a) Increased spawning success due to smaller fish being quicker to reproduce		b) Reduced predation pressure due to smaller fish being less visible to predators
	c) Decreased survival rates due to smaller fish being weaker and less competitive		d) Increased genetic diversity due to the introduction of new genetic material

Q.3	You're a municipal waste manager responsible for handling electronic waste (e-waste) in your city. During a routine inspection of the e-waste disposal facility, you notice a significant amount of discarded electronic devices, including computers, monitors, and smartphones. Concerned about potential health hazards, you decide to educate the public about the risks associated with improper disposal of these devices. Which of the following group of heavy metals is commonly found in electronics and can pose serious health risks if not properly disposed of?
	a) Aluminium and zinc		b) Iron and magnesium
	c) Lead and mercury		d) Copper and zinc

Q.4	Jason is an environmental enthusiast concerned about the sustainability of fish and seafood due to overfishing and its impact on marine ecosystems. He's looking for alternative protein sources to reduce his reliance on fish and seafood in his diet. What are some alternative protein sources that Jason can consider to help reduce his reliance on fish and seafood? 1. Plant-based proteins such as beans and lentils 2. Soy-based products like tofu 3. Vegan products such as sunflower and olive oil
	a) Only 1		b) Only 1 and 2
	c) Only 2 and 3		d) 1, 2 and 3

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	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.7	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.8	A bustling city faces challenges with its growing wastewater volume and outdated treatment facilities. This untreated wastewater is discharged into a nearby river, leading to algal blooms, low oxygen levels, and fish die-offs. Complete the flowchart by accurately identifying the specific methods and techniques A, B and C utilised in primary, secondary, and tertiary wastewater treatment aimed at enhancing the quality of discharged water.
	a) A: Screening → Grit removal → Sedimentation B: Filtration → Disinfection C: Biological treatment → Clarification		b) A: Biological treatment → Clarification B: Screening → Grit removal → Sedimentation C: Filtration → Disinfection
	c) A: Biological treatment → Clarification B: Filtration → Disinfection C: Screening → Grit removal → Sedimentation		d) A: Screening → Grit removal → Sedimentation B: Biological treatment → Clarification C: Filtration → Disinfection

Q.9	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.10	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.

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