International Green Warrior Olympiad Class 11 Sample Paper

Q.1

A city is experiencing water scarcity due to changing precipitation patterns caused by climate change. What practical strategies could the city adopt to address this issue and ensure water availability for its residents?

Q.2

A city planner is tasked with designing a new neighbourhood that is projected to face more frequent and severe heat waves due to climate change. The planner aims to incorporate design features that will effectively mitigate the impacts of these heat waves.
Which of the following design features would be most effective in mitigating the impacts of heatwaves in this neighbourhood in the context of climate change?

1. Incorporating green spaces, parks, and tree-lined streets to provide shade and cooling.
2. Installing more air conditioners to combat the heat waves.
3. Extensive use of glass facades to reflect sunlight away from buildings.

Q.3

Consider the case study given below and answer the following question:

Case Study: The Müller Family's Journey to Renewable Energy

The Müller family, residing in a charming village in the German countryside, had always been conscious about their environmental impact. In 2022, they decided to take an active step towards a greener lifestyle by installing a rooftop solar panel system. Their primary motivation was to reduce their reliance on fossil fuels and contribute to mitigating climate change. However, as they embarked on this journey, they discovered a plethora of other benefits:

Environmental Benefits:
-Reduced Carbon Footprint: The solar panels generated clean energy, leading to a significant reduction in their carbon emissions. This translated to a cleaner environment for their family, their community, and the planet.
-Improved Air Quality: By relying less on fossil fuels, the Müllers contributed to cleaner air in their region, which improved their overall health and well-being.

Financial Benefits:
-Reduced Electricity Bills: The solar panels generate enough electricity to cover a significant portion of their household energy needs, resulting in substantial savings on their monthly electricity bills. This provided them with financial stability and freed up resources for other expenses.
-Government Incentives: The German government offers various financial incentives for individuals and families adopting renewable energy solutions. The Müllers took advantage of these incentives, further reducing the cost of their solar panel system and accelerating their return on investment.

Lifestyle Benefits:
-Energy Independence: The Müllers achieved a sense of energy independence by generating their own clean energy. This gave them greater control over their energy consumption and reduced their dependence on the national grid, especially during peak hours.
-Enhanced Home Value: Homes with renewable energy systems are becoming increasingly sought-after, leading to a potential increase in the value of the Müller's property.

Overall Impact:
The Müller family's experience showcases the numerous benefits of adopting renewable energy in a domestic setting. Their commitment to environmental sustainability not only helped them create a cleaner future but also resulted in financial savings and enhanced their quality of life. Their story serves as an inspiration for others to consider switching to renewable energy and contribute to a more sustainable future.

The Müller family experienced a change in their lifestyle that resulted in increased energy consumption. Which of the following strategies could they implement to maintain their energy independence?

A. Install additional solar panels to increase energy generation.
B. Utilise a battery storage system more efficiently.
C. Increase their reliance on the national grid.
D. Install additional solar panels to increase energy generation.

Q.4

Consider the case study given below and answer the following question:

Case Study: The Green Guardians of Greenhill High

Greenhill High, a bustling school with over 1,000 students, faced a rising energy bill and growing concerns about its environmental impact. The principal and teachers knew they needed a change, and thus, the "Green Guardians" were born! This student-led initiative focused on three key areas: energy-efficient appliances, LED lighting, and well-insulation.

Appliance Upgrade: The Green Guardians convinced the school board to replace ageing appliances with ENERGY STAR certified models. New washing machines used cold water effectively, while newer dishwashers boasted shorter cycles and automatic shut-offs. These changes resulted in a 20% reduction in kitchen and laundry energy consumption.

Lighting the Way: Replacing traditional incandescent bulbs with LED lights was a game-changer. These LED bulbs lasted 25 times longer, used 80% less energy, and provided brighter, cooler light. Not only did the classrooms become more comfortable, but the school also saved 15% on its lighting costs.

Insulating for Impact: The Green Guardians knew that keeping the school warm in winter and cool in summer would significantly reduce energy use. They proposed adding insulation to the attic and walls, sealing air leaks, and upgrading windows. The results showed a 10% drop in heating and cooling energy needs, creating a more comfortable and sustainable learning environment.

The Green Guardians' efforts didn't stop there. They launched awareness campaigns, organised energy-saving competitions, and even convinced the cafeteria to source local, organic food. Their success story inspired other schools to join the green movement, proving that even small changes can make a big difference.

The case study mentions the Green Guardians' focus on local, organic food. How does this relate to the concept of clean and affordable energy?

1. Reducing transportation emissions associated with food distribution.
2. Supporting agricultural practices that maximise energy use.
3. Encouraging healthy eating habits, leading to increased energy levels.

Q.5

Researchers conducted an experiment to assess the impact of ocean acidification on marine snail populations. They exposed snails to different pH levels in controlled environments and measured their growth rates over time. The graph below illustrates the relationship between pH levels, carbonate ion concentration. Based on this data, what is the probable outcome for marine snail populations as the H⁺ increases in the seawater?

Q.6

In a study comparing the environmental impact of various diets, researchers found that a vegan diet had the lowest ecological footprint. What factors might contribute to this finding?

Q.7

Consider the case study given below and answer the following question:

Case Study: The Green Guardians of Greenhill High

Greenhill High, a bustling school with over 1,000 students, faced a rising energy bill and growing concerns about its environmental impact. The principal and teachers knew they needed a change, and thus, the "Green Guardians" were born! This student-led initiative focused on three key areas: energy-efficient appliances, LED lighting, and well-insulation.

Appliance Upgrade: The Green Guardians convinced the school board to replace ageing appliances with ENERGY STAR certified models. New washing machines used cold water effectively, while newer dishwashers boasted shorter cycles and automatic shut-offs. These changes resulted in a 20% reduction in kitchen and laundry energy consumption.

Lighting the Way: Replacing traditional incandescent bulbs with LED lights was a game-changer. These LED bulbs lasted 25 times longer, used 80% less energy, and provided brighter, cooler light. Not only did the classrooms become more comfortable, but the school also saved 15% on its lighting costs.

Insulating for Impact: The Green Guardians knew that keeping the school warm in winter and cool in summer would significantly reduce energy use. They proposed adding insulation to the attic and walls, sealing air leaks, and upgrading windows. The results showed a 10% drop in heating and cooling energy needs, creating a more comfortable and sustainable learning environment.

The Green Guardians' efforts didn't stop there. They launched awareness campaigns, organised energy-saving competitions, and even convinced the cafeteria to source local, organic food. Their success story inspired other schools to join the green movement, proving that even small changes can make a big difference.

Imagine Greenhill High expands its sustainability efforts to include electric school buses. How might this decision impact the school's environmental footprint and local air quality?

Q.8

A small rural community plans to enhance its energy generation capacity by installing a hydroelectric dam to utilise the potential energy of water from a nearby river. Initially, the dam has a reservoir depth of 20 meters.
If the community decides to double the reservoir depth to 40 meters by expanding the dam, what effect does this have on energy production?

Q.9

Emma works at a fish farm that practices responsible aquaculture. She ensures the farm's operations prioritise environmental sustainability. What might be a typical aspect of responsible aquaculture that Emma would advocate for?

Q.10

In a study comparing two carbon offset projects, Project X focuses on reforestation, while Project Y invests in renewable energy projects. The amount of carbon dioxide equivalent (CO₂e) sequestered over a ten-year period of both projects is given below. Based on the data provided, which of the following statements is true?

1. Project X contributes more to mitigating climate change by reducing atmospheric CO₂ levels, thus aiding in global efforts to combat global warming.
2. Project Y contributes more by enhancing local biodiversity and ecosystem health, promoting a sustainable environment for flora and fauna.
3. Both Project X and Project Y improve air quality in their respective regions.
4. Both Project X and Project Y reduces the resilience of ecosystem to the impacts of climate change, such as droughts, floods, and wildfires.