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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 food distribution company aims to reduce food losses during transportation. They decide to conduct an experiment to assess the impact of transportation conditions on perishable goods' decay rates. They exposed a batch of fruits to varying temperatures and monitored their decay rates. |
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Q.2 |
Consider the case study given below and answer the following question: |
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Q.3 |
In recent years, there has been a significant rise in the consumption of coal and oil for electricity generation and transportation. Which of the following effects is directly associated with this cause? |
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Q.4 |
As Arctic sea ice melts due to climate change, polar bears struggle to find suitable hunting grounds for seals. This forces them onto land, consuming less energy-rich food and burning more energy for travel. |
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Q.5 |
While shopping, Maya sees a new "biodegradable" label on plastic water bottles. Curious, she wonders how accurate this claim is. 1. Even if biodegradable, these bottles might not decompose quickly in home compost bins. |
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Q.6 |
The graph below demonstrates a 50% reduction in post-harvest food losses achieved by a cooperative of farmers through enhanced packaging and transportation practices. What specific strategies in packaging and transportation could account for this significant success? |
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Q.7 |
Consider the case study given below and answer the following question: |
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Q.8 |
Scientists have been monitoring the Earth's average temperature for decades. The graph shows the trend they observed. |
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Q.9 |
A family went on a camping trip and drank water from an untreated stream. Several days later, they all became ill with vomiting and diarrhoea. Which of the following is the most likely cause of their illness? |
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Q.10 |
Imagine two households, the Smiths and the Joneses, who both live in similar apartments with identical appliances like refrigerators, washing machines, and TVs. However, their energy-saving habits differ. |
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Answers to Previous Year Questions from CREST Olympiads:
Q.1 : d | Q.2 : c | Q.3 : c | Q.4 : b | Q.5 : d | Q.6 : b | Q.7 : a | Q.8 : c | Q.9 : b | Q.10 : b