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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 |
In a village, there lived a young girl named Maya. She loved exploring nature and understood the importance of conserving natural resources. |
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Q.2 |
A group of students decided to experiment with natural water purification methods. They placed layers of rock, sand, and charcoal in a bottle as shown in the picture and poured water through it. ![]() |
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Q.3 |
Jake was on a jeep tour through a vast savanna with scattered trees, tall grasses, and large herbivores like zebras and giraffes. What adaptation helps these animals thrive in this seasonal ecosystem? |
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Q.4 |
A tourist is exploring a kelp forest. What is the primary benefit of kelp forests in the marine ecosystem? |
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Q.5 |
A group of scientists is studying the ocean and how living things help clean up waste. Who is very important in the ocean for turning old stuff into useful nutrients? |
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Q.6 |
At a bustling street market, Orry and Sara dig into delicious street food. Sara washes her hands with tap water provided by the vendor, while Orry opts for a quick wipe with a tissue provided by his friend. |
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Q.7 |
What impact does population growth have on food security? |
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Q.8 |
While driving through a forested area, Joseph witnessed the aftermath of a wildfire that had recently swept through. He observed the scorched landscape and its impact on the surroundings. |
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Q.9 |
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.10 |
Imagine you're on an underwater adventure, exploring the impacts of climate change on marine life. As you dive deep, you encounter fascinating creatures. |
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Answers to Previous Year Questions from CREST Olympiads:
Q.1 : c | Q.2 : d | Q.3 : b | Q.4 : d | Q.5 : b | Q.6 : b | Q.7 : b | Q.8 : d | Q.9 : a | Q.10 : a