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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 |
Alex is reviewing a research paper on atmospheric gases. |
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Q.2 |
Lisa and Michael are environmental consultants advising a town's energy committee on renewable energy options. The committee is debating between hydroelectric, solar, and wind power for their region's future energy needs. |
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Q.3 |
A town located near a geothermal hotspot is exploring various uses for geothermal energy. Considering the town's needs and available resources, where could geothermal energy be most efficiently utilised? |
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Q.4 |
What is the primary function of a hydroelectric power plant in generating electricity? |
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Q.5 |
In a small-scale wastewater treatment experiment, a student used an activated sludge process to treat a sample of domestic wastewater as represented below. The student observed a significant reduction in the BOD levels. What is the role of activated sludge in this process? |
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Q.6 |
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? |
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Q.7 |
During science class, students learned about waste separation and its significance. Which practice best aligns with responsible waste separation? |
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Q.8 |
Consider the following scenario and choose the correct option. |
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Q.9 |
A group of environmental scientists conducted a study on the significance of land-based environments in maintaining ecological balance. They explored various aspects ranging from biodiversity to human reliance on terrestrial ecosystems. During their research, the scientists observed a correlation between land-based environments and the overall health of marine ecosystems. |
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Q.10 |
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? |
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Your Score: 0/10
Answers to Previous Year Questions from CREST Olympiads:
Q.1 : c | Q.2 : a | Q.3 : a | Q.4 : a | Q.5 : d | Q.6 : d | Q.7 : d | Q.8 : d | Q.9 : b | Q.10 : c