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Section 1: Crop Production and Management, Microorganisms, Synthetic Fibres and Plastics, Metals and Non-metals, Coal and Petroleum, Combustion and Flame, Conservation of Plants and Animals, Cell, Reproduction and Endocrine System, Force and Pressure, Friction, Sound, Chemical Effects of Electric Current, Some Natural Phenomena, Light, Stars and the Solar System, Pollution of Air and Water.
Achievers Section: Higher Order Thinking Questions - Syllabus as per Section 1
Q.1 | Q.2 | Q.3 | Q.4 | Q.5 | Q.6 | Q.7 | Q.8 | Q.9 | Q.10 |
Q.1 |
In the following question, an assertion and reason are given. Choose the correct option: |
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Q.2 |
A force of 16 N is distributed uniformly on one surface of a cube of edge 4 m. Find the pressure on this surface: ![]() |
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Q.3 |
The sound produced by a tuning fork travel from air to glass. Which of the following physical quantities remains the same?
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Q.4 |
Different microorganisms taking part in the nitrogen cycle are: |
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Q.5 |
The diagram shows the process of purification of copper metal. A thick copper plate A of impure copper and a thin pure copper plate B are immersed in a metal sulphate solution and an electric current is passed through it. ![]() |
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Q.6 |
In heavy vehicles, diesel is used as a fuel. Which of the following could be the reason for this? |
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Q.7 |
What benefit does yeast gain from carrying out fermentation? |
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Q.8 |
Identify the group(s) which contain all synthetic substances:
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Q.9 |
In the given question, an assertion and reason are given. Choose the correct option: Assertion: Animals like camels walk easily in deserts as broad feet exert less pressure on sandy ground. Reason: Pressure decreases with an increase in surface area. |
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Q.10 |
In the given question, an assertion and a reason are given. Choose the correct option: Assertion: The temperature increases inside the fractionating column on going from the bottom to the top. Reason: The column is not heated at the bottom. |
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Students can download the CREST Science Olympiad previous year paper pdf for class 8 from this page. Each question in the paper carries 1 mark. The answer key for all the questions is also provided on the last page.
One of the most significant advantages of solving the past years’ papers is that it helps students improve their time management skills, strengthens their understanding of concepts and aids them in applying the concepts they have mastered. Also, solving previous years’ papers a few days before the exam can help students to revise the concepts quickly. Therefore, students must refer to previous years' papers before appearing for the final exam as many advantages are associated with it.
Students can also refer to the following resources to level up their CREST Science Olympiad (CSO) exam preparation for class 8 -
Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 8.
Answers to Previous Year Questions from CREST Olympiads:
Q.1 : b | Q.2 : a | Q.3 : b | Q.4 : a | Q.5 : a | Q.6 : c | Q.7 : b | Q.8 : c | Q.9 : a | Q.10 : d