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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 family decides to install solar panels on their roof to generate electricity. How does this contribute to responsible energy consumption? |
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Q.2 |
During a school project on recycling, Emma was tasked with investigating the environmental benefits of recycling aluminium cans versus manufacturing new ones. |
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Q.3 |
You're advising a friend on reducing their ecological footprint through dietary changes. Which practical suggestion aligns best with this goal? |
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Q.4 |
In the following question, you will find an assertion and a reason. Select the appropriate option that applies. |
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Q.5 |
Sophie and her marine biology class were on a research vessel exploring marine life near the coast. Suddenly, they noticed a distressed pod of dolphins swimming amidst an oil slick that stretched for miles. Investigating further, they realised it was the result of a tanker accident, causing severe repercussions for the marine environment. |
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Q.6 |
A study in a river basin area shown in the picture reveals that the concentration of heavy metals in the water significantly exceeds permissible limits downstream of an industrial area. What can be inferred from this data? |
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Q.7 |
A school implemented water-saving methods, reducing daily usage by 15%. If the school previously consumed 500 liters of water per day, what is the new daily consumption after applying these strategies? |
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Q.8 |
In a local community initiative, Sarah's school decided to promote recycling. They collected plastic bottles, newspapers, and aluminium cans. What's the primary advantage of recycling these materials? |
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Q.9 |
Javier studied the adaptations of desert organisms. He discovered that certain desert plants have shallow roots but spread extensively. |
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Q.10 |
Sarah is a teacher at an elementary school. She collects scrap paper from her students and uses the blank sides for drawing, thereby extending the life of the paper before recycling it. |
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Answers to Previous Year Questions from CREST Olympiads:
Q.1 : b | Q.2 : c | Q.3 : b | Q.4 : a | Q.5 : d | Q.6 : c | Q.7 : a | Q.8 : a | Q.9 : a | Q.10 : c