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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 community experiences an outbreak of a waterborne disease called Amoebiasis, characterised by severe abdominal cramps, diarrhoea with blood, and high fever. Individuals affected report exposure to contaminated water sources. Identify the causative agent responsible for these symptoms. |
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Q.2 |
In the dense, lush forests of the Amazon basin, researchers are studying the ecosystem's dynamics to understand its role in global environmental processes. |
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Q.3 |
A family living in a region with abundant clean hydropower is considering replacing their ageing gas oven with a new electric model. However, they are concerned about the overall environmental impact of each option.
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Q.4 |
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.5 |
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.6 |
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.7 |
Consider the case study given below and answer the following question: |
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Q.8 |
In your environmental science class, you're learning about the impact of different greenhouse gases on global warming. Your teacher has provided data showing an increase in two greenhouse gas concentrations since pre-industrial times: methane (CH4) and nitrous oxide (N2O). |
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Q.9 |
You're a wildlife conservationist working in the Himalayas, where a dwindling snow leopard population faces new challenges. Human encroachment has forced wolves into higher altitudes, overlapping with the leopards' territory, while climate change is shrinking their habitat due to melting glaciers. |
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Q.10 |
A group of students studying ecology in a temperate forest notices a sharp decline in the local frog population. They discover that a new housing development has encroached upon a wetland area that was once home to a diverse array of amphibians. |
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Your Score: 0/10
Answers to Previous Year Questions from CREST Olympiads:
Q.1 : a | Q.2 : b | Q.3 : d | Q.4 : d | Q.5 : b | Q.6 : c | Q.7 : d | Q.8 : d | Q.9 : b | Q.10 : a