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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 |
Consider the case study given below and answer the following question: |
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Q.2 |
As an environmental scientist conducting water quality assessments for a local lake used for swimming and boating, you're tasked with monitoring various parameters to ensure the safety and health of individuals engaging in recreational activities. |
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Q.3 |
You're at the supermarket deciding between locally-grown organic vegetables and conventionally-grown vegetables shipped from a distant country. Both cost the same. Considering climate change: |
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Q.4 |
You are a technician working at a nuclear power plant. You are tasked with performing routine inspections of the plant's various components. To ensure your understanding, your supervisor provides you with a diagram of the plant layout and asks you to identify the labelled components. |
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Q.5 |
A family is considering purchasing a new microwave to replace their old one, aiming to reduce their energy consumption and contribute to sustainability. They are researching various models to ensure they choose an energy-efficient appliance. |
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Q.6 |
Ecological restoration is the process of assisting the recovery of an ecosystem that has been degraded, damaged, or destroyed. Which of the following is NOT a primary goal of ecological restoration? |
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Q.7 |
You are troubleshooting a high electricity bill and notice that even when all appliances are turned off, the energy meter is still registering a small amount of power usage. This phenomenon is known as a vampire load. |
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Q.8 |
In a city prone to heatwaves, a group of students proposed a rooftop garden initiative to combat the urban heat island effect. How does the presence of rooftop gardens contribute to reducing the urban heat island effect? |
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Q.9 |
In a geologically active region, a community has installed a closed-loop geothermal energy system to harness the Earth's heat for heating purposes. The system has been operating efficiently, but during a particularly cold winter, the underground temperature experiences a significant decrease. What is the likely impact on the efficiency of the geothermal system? |
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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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Answers to Previous Year Questions from CREST Olympiads:
Q.1 : b | Q.2 : d | Q.3 : c | Q.4 : c | Q.5 : b | Q.6 : d | Q.7 : b | Q.8 : a | Q.9 : b | Q.10 : b