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	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.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	A community is experiencing increased forest fires due to prolonged droughts caused by climate change. As a disaster management expert, which of the following strategies would you recommend to reduce the impact of forest fires on the community?
	a) Clearing all trees and vegetation near residential areas to create firebreaks.		b) Implementing controlled burns during periods of low fire risk to remove excess vegetation and prevent large-scale wildfires.
	c) Installing sprinkler systems on rooftops and encouraging residents to water their lawns frequently.		d) Ignoring the issue as forest fires are a natural part of the ecosystem.

Q.4	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.5	A rural village has limited access to electricity, relying primarily on kerosene lamps for lighting. Kerosene use has been linked to respiratory problems and indoor air pollution. The village council is considering ways to improve access to clean and reliable electricity. Which of the following would be the most effective long-term solution to address both health concerns and energy needs?
	a) Distributing more kerosene lamps with improved ventilation.		b) Encouraging households to use candles instead of kerosene lamps.
	c) Providing solar-powered lighting systems to each household.		d) Constructing additional diesel-powered generators for increased electricity.

Q.6	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.7	In a discussion regarding the significance of tropical rainforests in global climate regulation, a group of environmental researchers is examining the mechanisms by which these forests contribute to this role. Which mechanism or mechanisms among the following options significantly contribute to the crucial role of tropical rainforests in regulating the global climate? 1. Carbon sequestration through photosynthesis 2. Release of moisture into the atmosphere 3. Absorption of solar radiation
	a) Only 1		b) Only 1 and 2
	c) Only 2 and 3		d) 1, 2 and 3

Q.8	Boreal forests, found predominantly in the Northern Hemisphere, play a significant role in global carbon storage. How do the cold temperatures in these regions affect carbon storage in boreal forests?
	a) Accelerates tree growth		b) Slows down decomposition rates
	c) Reduces the need for photosynthesis		d) Increases evaporation rates

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 decrease energy consumption, mitigating the urban heat island effect.		d) Green roofs release greenhouse gases, exacerbating global warming.

Q.10	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

Your Score: 0/10