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Q.1 | Q.2 | Q.3 | Q.4 | Q.5 | Q.6 | Q.7 | Q.8 | Q.9 | Q.10 |
Q.1 |
A city is expanding its wastewater treatment infrastructure to improve the quality of treated water released into the environment. As part of this development, engineers and environmental experts are reviewing the different stages of wastewater treatment to ensure the most effective processing of sewage. |
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Q.2 |
Blair, an environmentally conscious consumer, is shopping for groceries at a local store. She notices a food product with an eco-label that states "Organic" on the packaging. Curious about its meaning, she checks the information available to understand the significance of the label. |
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Q.3 |
Imagine you're a development consultant working with a government agency in a developing country concerned about the high levels of post-harvest food losses. You're tasked with recommending the most impactful intervention based on the data provided in the graph below. |
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Q.4 |
Your city is considering expanding its aquaculture industry to meet the growing demand for seafood. However, traditional aquaculture practices can contribute to water pollution and habitat degradation. |
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Q.5 |
Consider the following statements and choose the correct option: |
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Q.6 |
Wanda notices that even when her electronic devices are turned off, they still consume a small amount of energy in standby mode. This "phantom power drain" adds up over time, contributing to wasted energy and higher electricity bills. |
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Q.7 |
Consider two restaurants: one follows a "zero food waste" policy, while the other does not. Which environmental impact is most likely to be affected by the "zero food waste" policy? |
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Q.8 |
You and your friends enjoy a delicious pizza lunch, packed with toppings like pepperoni, cheese, and pineapple. Later, while scrolling through social media, you come across a post highlighting the environmental impact of meat production. This sparks a conversation about your food choices and how they might affect the planet. |
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Q.9 |
Maya, a young activist, is organising a campaign to reduce single-use plastics in her school. She argues that plastic production not only generates plastic waste but also contributes to climate change through: |
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Q.10 |
A group of scientists studying the melting glaciers in Antarctica discovered ancient air bubbles trapped within the ice. Analysing these bubbles, they find significantly lower concentrations of carbon dioxide compared to the present atmosphere. This information suggests that: |
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Your Score: 0/10
Answers to Previous Year Questions from CREST Olympiads:
Q.1 : d | Q.2 : c | Q.3 : b | Q.4 : b | Q.5 : a | Q.6 : b | Q.7 : d | Q.8 : a | Q.9 : d | Q.10 : b