International Green Warrior Olympiad Class 7 Previous Year Paper
Want to help your child become a smart and responsible global citizen? The International Green Warrior Olympiad for Class 7 is the perfect way to build awareness about the environment while sharpening thinking skills. With practical, real-world questions, this Olympiad inspires students to make eco-friendly choices every day. And the best way to prepare? Practising previous year papers!
Why Practise with Previous Year Papers?
Covers key topics like Climate Action, Clean Water and Sanitation, Sustainable Cities and Communities & much more.
Promotes critical thinking about real environmental challenges faced by the world today.
Builds confidence by improving speed, accuracy, and familiarity with the exam format.
Download the Class 7 International Green Warrior Olympiad Previous Year Paper PDF and take the first step towards making your child a true Green Warrior!
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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
Proper sanitation and personal hygiene: Sanitation and personal hygiene practices and their impact on health, access to clean toilets and sanitation facilities
Waterborne diseases: Common waterborne diseases (e.g., cholera, dysentery), how waterborne diseases spread, prevention through clean water and sanitation
Water scarcity and global water issues: Exploring water scarcity in different regions, the role of climate change in water scarcity
Water pollution and treatment: Sources and types of water pollution, consequences of water pollution, wastewater treatment processes
Water conservation: The water cycle and its importance, strategies for water conservation, technologies for efficient water use
Affordable and Clean Energy
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
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
Energy conservation and efficiency: Understanding the importance of energy conservation, practical tips for saving energy at home and school, energy-efficient technologies and practices
Introduction to clean energy: Understanding the concept of clean energy, differentiating clean energy from fossil fuels
Clean energy innovations: Innovations in clean energy technology, solar roadways and smart grids
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
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
Characteristics of sustainable cities: Green infrastructure, urban farming, efficient public transportation, operations on renewable energy sources, waste management
Universal access to safe, inclusive, and accessible green and public spaces
Responsible Consumption and Production
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
Responsible consumption of water and energy: Importance of conserving water and energy, practical tips for saving water and electricity, energy-efficient appliances and lighting
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
Introduction to climate change: Understanding the concept of climate change, differentiating between climate and weather, causes and effects of climate change
The carbon cycle: Understanding the carbon cycle, how humans disrupt the carbon cycle
Earth's climate systems: Introduction to earth's climate systems, the role of the atmosphere and oceans in climate regulation
The greenhouse effect: Explaining the greenhouse effect, how it affects the earth's temperature
Life Below Water
Conservation of marine life: Exploring marine protected areas and marine sanctuaries, importance of marine conservation for biodiversity
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
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
Introduction to terrestrial ecosystems: Understanding terrestrial ecosystems (e.g., forests, grasslands, deserts), importance of land-based environments
Endangered species and conservation: Introduction to endangered species, conservation efforts to protect endangered species
Major threats to terrestrial ecosystems: Habitat destruction and fragmentation, deforestation, overexploitation, pollution, agriculture practices, etc.
Food Security and Agriculture
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
Climate change and food security: How climate change affects food production and agriculture, strategies for adapting to changing climates in agriculture
The school cafeteria has decided to install energy-efficient appliances. They replaced the older refrigerator and cooking equipment with energy-star rated models. How might this change affect the school's energy consumption over a year?
Q.2
Using the information from the table, deduce the most likely observable consequence in a marine ecosystem. Consider the combined effects on the marine food chain and other species interactions.
Pollutant
Impact on Marine Species
Oil
Coats and suffocates marine birds
Plastic
Causes entanglement and ingestion isues in sea animals
Heavy Metals
Lead to biomagnification in marine food chains
Nutrients
Result in algal blooms and dead zones
Q.3
In a water quality testing experiment, you're examining a water sample. Upon adding a specific reagent to the sample, it turns blue. What does the colour change of the water sample indicate about its quality in this experiment?
Q.4
Sarah wanted to contribute to recycling efforts in her community. She collected various items like plastic bottles, glass jars, and old newspapers. How should Sarah effectively segregate these items for recycling?
Q.5
In a coastal city, citizens are concerned about the decreasing number of mangrove forests. What role do mangrove forests play in protecting marine ecosystems, and how can their depletion harm marine life?
Q.6
Consider the following scenario and choose the correct option. Scenario: You're a college student living in a shared hostel room with two other roommates. You've noticed increased common illnesses among your roommates, like colds, flu, and stomach upsets. You suspect poor hygiene might be playing a role. Instructions: Choose the MOST LIKELY way your hygiene habits could contribute to your roommates' health problems, and explain your reasoning.
Q.7
Create an experiment using two plant pots, one covered with plastic wrap and the other left uncovered. Which observation would support the idea that greenhouse gases contribute to warming?
Q.8
Deep in the Amazon rainforest, a group of scientists are studying the impact of deforestation on jaguars. They discover that the once continuous forest is now fragmented into smaller, isolated patches. How will this fragmentation MOST likely affect the jaguar population?
Q.9
You are tasked with designing a wastewater treatment plant. Which stage of the treatment process is responsible for removing solid particles from sewage water?
Q.10
Consider a scenario where a city implements extensive water conservation methods, reducing wastewater released into rivers by 40%. If initially, 1,000 cubic meters of wastewater flowed into rivers per day, what would be the new daily volume released after conservation efforts?