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

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Q.9

Q.10

Q.1	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.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	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.4	A team of environmentalists is proposing the establishment of a protected area that integrates conservation efforts with sustainable development. This proposed area aims to safeguard biodiversity while allowing human activities that are compatible with nature conservation. Which type of protected area aligns best with the team's objectives?
	a) National Parks		b) Wildlife Sanctuaries
	c) Biosphere Reserves		d) Marine Protected Areas

Q.5	A scientist is studying the effects of climate change on a tropical rainforest. She measures the amount of water vapour in the atmosphere and finds that it has increased by 10% over the past decade. What does this suggest?
	a) The rainforest is becoming drier.		b) The rainforest is becoming wetter.
	c) The rainforest is becoming warmer.		d) The rainforest is becoming colder.

Q.6	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.7	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.8	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.9	Imagine two households, the Smiths and the Joneses, who both live in similar apartments with identical appliances like refrigerators, washing machines, and TVs. However, their energy-saving habits differ. Which scenario best demonstrates an effective energy-saving habit? A. The Smiths replaced all their light bulbs with LEDs. B. The Smiths run their dishwasher and washing machine with small loads. C. Jonases seals air leaks around windows and doors to improve insulation. D. Jonases leave their TVs and game consoles on standby mode overnight.
	a) A and B only		b) A and C only
	c) A, B and C only		d) B, C and D only

Q.10	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

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