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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 |
Sarah made efforts to reduce waste and use recycled materials, what is most probably an example of her creative use of recycled items? |
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Q.2 |
Mac and Sam are two community leaders in a town both are passionate about finding ways to reduce reliance on fossil fuels. |
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Q.3 |
Jack was excited for a beach walk but found trash scattered along the shore. Which source of marine pollution is most likely responsible for this plastic mess? |
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Q.4 |
A study analysed water samples from a polluted lake and found high levels of heavy metals such as lead and mercury. What is the potential impact of these heavy metals on the ecosystem of the lake? |
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Q.5 |
What are some diseases that can spread due to poor sanitation and hygiene? |
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Q.6 |
While analysing climate data from the past century, Sophie noticed a trend of increasing global temperatures. What correlation did Sophie find between the rise in global temperatures and the greenhouse effect? |
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Q.7 |
In a town nestled near a volcanic region, residents are exploring an energy source that ensures consistent power regardless of the time of day or weather conditions. Which energy source would be most beneficial for this town's uninterrupted energy needs? |
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Q.8 |
A group of scientists conducted a study on the impact of deforestation in a particular region. They observed an increase in the concentration of greenhouse gases in the atmosphere. |
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Q.9 |
In a dense rainforest, scientists discovered various types of colorful birds, numerous species of trees, and countless insects living harmoniously together. Which term best describes this incredible variety of life on Earth, including plants, animals, and microorganisms in this ecosystem? |
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Q.10 |
What does "affordability" mean concerning food security? |
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Answers to Previous Year Questions from CREST Olympiads:
Q.1 : c | Q.2 : a | Q.3 : d | Q.4 : a | Q.5 : d | Q.6 : c | Q.7 : d | Q.8 : c | Q.9 : a | Q.10 : b