International Green Warrior Olympiad Class 7 Previous Year Papers

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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

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Q.1	Imagine a bustling city facing the challenge of managing heavy rainfall. They implement a green infrastructure system, incorporating elements like bioswales and rain gardens. But what role do these play in keeping the city healthy and functioning smoothly?
	a) Diverting stormwater to increase flooding risks		b) Enhancing pollution in water bodies
	c) Filtering and absorbing stormwater to prevent runoff pollution		d) Reducing access to green spaces for the community

Q.2	A town located near a geothermal hotspot is exploring various uses for geothermal energy. Considering the town's needs and available resources, where could geothermal energy be most efficiently utilised?
	a) Heating residential buildings in cold climates		b) Powering portable electronic devices
	c) Fuelling vehicles for long-distance travel		d) Illuminating streetlights in urban areas

Q.3	Maya and Ethan analyse a table showing the decline of multiple endangered species, each facing different threats. Based on the table, which of the following conservation strategies would likely be MOST effective for protecting ALL of the listed species? Species Primary Threat Population Trend Amur Leopard Habitat loss and poaching Decreasing Black Rhinoceros Poaching for horn Slowly increasing Sumatran Orangutan Habitat loss from deforestation Decreasing  Vaquita Entanglement in fishing nets Critically engangered
	a) Focusing solely on anti-poaching efforts.		b) Establishing more protected areas to conserve habitat.
	c) Implementing sustainable fishing practices to reduce entanglement.		d) Addressing multiple threats through a combination of conservation strategies.

Q.4	A community in a rural area is facing water quality issues due to the presence of microbial contaminants in their water supply. Which of the following water treatment methods would be the most effective in removing microbial contaminants and ensuring safe drinking water for the entire community?
	a) Filtration		b) Boiling
	c) Chlorination		d) Distillation

Q.5	In a lush rainforest, there is a diverse ecosystem with various plant and animal species. The interactions among these organisms involve multiple feeding relationships. What term best describes this intricate network of interconnected food chains?
	a) A diagram showing the transfer of energy in a straight line from one organism to another.		b) A sequence of organisms in an ecosystem, representing the transfer of energy from producers to consumers.
	c) A network of interconnected food chains, showing the complex feeding relationships in an ecosystem.		d) A diagram illustrating the process of photosynthesis in plants.

Q.6	During a class project on ocean ecosystems, a student argued that overfishing only affects fish populations and doesn't influence other marine organisms. Which statement provides the most accurate perspective on this issue?
	a) Overfishing primarily affects larger fish species.		b) Overfishing is beneficial as it controls predator populations.
	c) Overfishing can disrupt the entire marine food web.		d) Overfishing has no significant impact on marine ecosystems.

Q.7	You've been tasked with managing a community composting project. Over a period of 20 days, you monitored the temperature changes within the compost pile. Based on the data depicted in the graph below, what could be the likely reason behind the observed fluctuations in temperature throughout the composting process?
	a) Insufficient aeration leading to anaerobic conditions and temperature fluctuations.		b) Adequate moisture levels causing microbial activity and temperature rise.
	c) Lack of moisture causing temperature variations as the decomposition process slows down.		d) Lack of compostable materials resulting in temperature fluctuations due to microbial imbalance.

Q.8	Consider the following scenario in the context of food security and agriculture: In a region with unpredictable weather patterns, farmers are facing challenges in ensuring food security for the community. They are exploring different strategies to enhance agricultural productivity and resilience. Which of the following measures would be most effective in addressing the challenges and ensuring food security in this scenario?
	a) Introducing crop diversification to reduce vulnerability to weather fluctuations.		b) Relying solely on chemical fertilisers to boost crop growth.
	c) Implementing a monoculture approach to focus on high-yielding crops.		d) Ignoring technological advancements and sticking to traditional farming methods.

Q.9	During a study of a deciduous forest, students encountered an interesting phenomenon related to tree species. They realised that certain trees played a vital role in supporting biodiversity. What specific characteristic of deciduous trees contributes to their importance in maintaining biodiversity, and how does it influence the forest ecosystem?
	a) Evergreen foliage; providing year-round shelter for diverse bird species and promoting avian diversity.		b) Rapid growth rates; outcompeting other plant species and enhancing overall plant diversity.
	c) Climbing vines; offering vertical habitat structure and promoting arboreal animal diversity.		d) Seasonal leaf shedding; creating nutrient-rich leaf litter and supporting diverse decomposer communities.

Q.10	Hannah is researching the environmental impact of food choices. She notices that a diet high in animal products contributes significantly to greenhouse gas emissions. What dietary change could Hannah suggest to her community to reduce this impact?
	a) Promoting a solely plant-based diet to eliminate greenhouse gas emissions.		b) Encouraging the consumption of more red meat and dairy products.
	c) Suggesting an increase in processed food consumption to reduce animal product intake.		d) Advocating for a balanced diet with moderate consumption of animal products.

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