International Green Warrior Olympiad Class 8 Previous Year Papers

Ready to inspire your child to think green and act smart? The International Green Warrior Olympiad for Class 8 challenges students to explore real-world environmental issues and discover practical solutions. It's not just an exam-it's a mission to shape young minds into future leaders for a sustainable planet. And the best way to prepare? By solving previous year papers!

Why Practise with Previous Year Papers?

• Covers impactful topics like Clean Water and Sanitation, Affordable and Clean Energy and Climate Action & much more.
• Sharpens analytical and problem-solving skills through environment-focused questions.
• Boosts exam confidence by improving time management and understanding question patterns.

Download the Class 8 International Green Warrior Olympiad Previous Year Paper PDF and empower your child to become a true champion of the Earth!

>>> Join CREST Olympiads WhatsApp Channel for latest updates. International Green Warrior Olympiad Previous Year Paper PDF for Class 8:

If your web browser doesn't have a PDF Plugin. Instead you can Click here to download the PDF

Syllabus:

Clean Water and Sanitation

1. Introduction to clean water: Understanding the importance of clean water and proper sanitation, various sources of clean water, methods to purify water, water treatment plans, methods to filtre water
2. Proper sanitation and personal hygiene: Sanitation and personal hygiene practices and their impact on health, access to clean toilets and sanitation facilities
3. Waterborne diseases: Common waterborne diseases (e.g., cholera, dysentery), how waterborne diseases spread, prevention through clean water and sanitation
4. Water scarcity and global water issues: Exploring water scarcity in different regions, the role of climate change in water scarcity
5. Water pollution and treatment: Sources and types of water pollution, consequences of water pollution, wastewater treatment processes
6. Water conservation: The water cycle and its importance, strategies for water conservation, technologies for efficient water use

Affordable and Clean Energy

1. Sources of energy: Exploration of various energy sources (e.g., fossil fuels, renewable energy, nuclear), how energy is generated from different sources, environmental impacts of different energy sources
2. Renewable energy sources: Introduction to renewable energy sources (e.g., solar, wind, hydro, geothermal), how renewable energy systems work, advantages and challenges of renewable energy
3. Energy conservation and efficiency: Understanding the importance of energy conservation, practical tips for saving energy at home and school, energy-efficient technologies and practices
4. Introduction to clean energy: Understanding the concept of clean energy, differentiating clean energy from fossil fuels
5. Clean energy innovations: Innovations in clean energy technology, solar roadways and smart grids
6. Environmental impact of fossil fuels: Understanding the environmental impact of fossil fuel use, air and water pollution caused by fossil fuels

Sustainable Cities and Communities

1. Sustainable transportation and green infrastructure: Introduction to sustainable transportation, the role of electric and hybrid vehicles, bicycles as a sustainable mode of transportation, sustainable urban planning and green infrastructure
2. Characteristics of sustainable cities: Green infrastructure, urban farming, efficient public transportation, operations on renewable energy sources, waste management
3. Universal access to safe, inclusive, and accessible green and public spaces

Responsible Consumption and Production

1. The three r's: reduce, reuse, recycle: Importance of three r's of responsible consumption, strategies to reduce waste and consumption, creative ways to reuse items, introduction to recycling and waste separation
2. Responsible consumption of water and energy: Importance of conserving water and energy, practical tips for saving water and electricity, energy-efficient appliances and lighting
3. Responsible consumption of water and energy: Importance of conserving water and energy, practical tips for saving water and electricity, energy-efficient appliances and lighting

Climate Action

1. Introduction to climate change: Understanding the concept of climate change, differentiating between climate and weather, causes and effects of climate change
2. The carbon cycle: Understanding the carbon cycle, how humans disrupt the carbon cycle
3. Earth's climate systems: Introduction to earth's climate systems, the role of the atmosphere and oceans in climate regulation
4. The greenhouse effect: Explaining the greenhouse effect, how it affects the earth's temperature

Life Below Water

1. Conservation of marine life: Exploring marine protected areas and marine sanctuaries, importance of marine conservation for biodiversity
2. Threats to marine ecosystems: Identifying human activities that harm marine ecosystems (e.g., overfishing, pollution, habitat destruction), discussing the impact of climate change on oceans
3. Marine pollution and plastic waste: Sources and types of marine pollution (e.g., plastic waste, oil spills), impact of pollution on marine life and ecosystems, solutions and cleanup efforts

Life On Land

1. Introduction to terrestrial ecosystems: Understanding terrestrial ecosystems (e.g., forests, grasslands, deserts), importance of land-based environments
2. Endangered species and conservation: Introduction to endangered species, conservation efforts to protect endangered species
3. Major threats to terrestrial ecosystems: Habitat destruction and fragmentation, deforestation, overexploitation, pollution, agriculture practices, etc.

Food Security and Agriculture

1. Food choices and sustainability: The impact of food choices on the environment, reducing food waste at home and school, sustainable farming practices (e.g., organic, local), composting and its benefits
2. Climate change and food security: How climate change affects food production and agriculture, strategies for adapting to changing climates in agriculture

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	Among the listed pollutants, which specific element poses the most significant risk to global water quality, often contributing to detrimental algal blooms?
	a) Nitrogen and phosphorous compounds		b) Substances with substantial density
	c) Disease-causing microorganisms		d) Hydrocarbon-based substances

Q.2	Among the options provided, which statement most accurately describes the primary impact of deforestation on biodiversity in the tropical rainforest?
	a) The reduced availability of tree cover in the rainforest primarily benefits species' adaptability.		b) Deforestation has no significant influence on species populations or vulnerability to extinction.
	c) Removal of trees disrupts habitats, resulting in decreased species populations and increased extinction risks.		d) Extensive deforestation mainly leads to an increased number of habitats for various species.

Q.3	During an Earth Science field trip, students are exploring the impact of rising temperatures on the local ecosystem. The students notice a decline in the population of a particular plant species in the area compared to previous years. Which factor related to climate change is most likely influencing this decline?
	a) Reduced levels of precipitation and increased drought conditions.		b) Increased availability of nutrients in the soil.
	c) Decreased levels of carbon dioxide in the atmosphere.		d) Rising sea levels affecting the soil composition.

Q.4	In a remote village, access to electricity is limited. The government aims to introduce affordable and clean energy sources to improve living conditions. Considering the village's geographical isolation, unreliable grid connections, and the need for sustainable solutions, which approach would be the most effective and practical for providing immediate access to clean energy?
	a) Establishing a small-scale wind turbine farm to harness local wind resources.		b) Implementing solar microgrids tailored to the village's energy needs.
	c) Introducing biogas digesters to convert organic waste into usable energy.		d) Installing small-scale hydroelectric systems using nearby streams or rivers.

Q.5	A family went on a camping trip and drank water from an untreated stream. Several days later, they all became ill with vomiting and diarrhoea. Which of the following is the most likely cause of their illness? 1. Contaminated water from the stream 2. Ingestion of a parasite present in the stream water 3. A contagious respiratory illness
	a) Only 1		b) Only 1 and 2
	c) Only 2 and 3		d) 1, 2 and 3

Q.6	A community introduced a new technology that reduced water usage for irrigation by 20%. Initially, 1,000 hectares of land were irrigated using 200,000 cubic meters of water. What volume of water would be saved annually if this technology is applied to all 1,000 hectares?
	a) 40,000 cubic meters		b) 20,000 cubic meters
	c) 160,000 cubic meters		d) 250,000 cubic meters

Q.7	Sophie and her marine biology class were on a research vessel exploring marine life near the coast. Suddenly, they noticed a distressed pod of dolphins swimming amidst an oil slick that stretched for miles. Investigating further, they realised it was the result of a tanker accident, causing severe repercussions for the marine environment. Sophie and her classmates witnessed an oil spill from a tanker that affected the surrounding ocean. How does this type of marine pollution primarily impact marine ecosystems?
	a) It increases oxygen levels in the water, benefiting fish and other aquatic organisms.		b) It leads to increased biodiversity as some species adapt to the oil-rich environment.
	c) It accelerates coral reef growth due to the nutrients present in the oil.		d) It disrupts the food chain by poisoning primary producers like algae and plankton.

Q.8	A farmer observed that the soil in his fields was becoming increasingly dry, even after heavy rainfall. The farmer suspected that the dry soil was due to increased runoff, preventing water from infiltrating the ground. Which of the following practices could help the farmer improve soil moisture? A. Tilling the soil to increase its water-holding capacity B. Planting cover crops to protect the soil from erosion C. Creating channels and other structures to slow down runoff
	a) A only		b) A and B only
	c) B and C only		d) A, B and C

Q.9	In a study comparing two diverse regions, a Coastal City and a Desert Region, several factors influencing annual rainfall were analysed and recorded in the table below. Based on this information, which of the following statements is most accurate?
	a) The coastal city experiences high evaporation rates due to its proximity to the ocean, leading to increased rainfall.		b) The desert region receives less rainfall because the water cycle doesn't operate there.
	c) The coastal city receives more rainfall because it has more vegetation to trap moisture.		d) The desert region gets less rainfall because the water cycle is more active over the ocean.

Q.10	Your city throws away tons of food, leading to environmental issues and wasted resources. Two groups proposed solutions: Group A: "Community Kitchens": Establish kitchens that collect discarded food, prepare nutritious meals, and serve them to those facing hunger. "Urban Composting Network": Create a network of community composting bins and educational programs to turn food scraps into nutrient-rich soil for urban gardens. Group B: "Smart Fridges": Implement high-tech fridges that monitor food freshness and notify owners to prevent expired waste. "Automated Recycling Plants": Build specialised plants that efficiently process organic waste into fertilisers and renewable energy. Which group's approach do you think will more effectively reduce food waste and address related challenges? Why?
	a) Group A, because their solutions directly tackle hunger and soil depletion while utilising waste.		b) Group B, because their solutions focus on prevention and technological efficiency.
	c) Both groups offer complementary solutions, combining social impact with waste reduction and resource utilisation.		d) Neither group, as existing policies are sufficient to address food waste issues.

Your Score: 0/10