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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 |
Fill in the blank: A duster rests on a table, exerting a downward force on the table. The reaction to this force is _____________. |
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Q.2 |
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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Q.3 |
Why is just one side of the Moon visible from Earth? |
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Q.4 |
Which of the following is correct definition of ignition temperature? |
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Q.5 |
Read the following statements and choose the correct option: Statement 1: The antibiotic penicillin inhibits the growth of bacteria by blocking the process which helps to build its cell membrane. Statement 2: The cell membrane is selectively permeable because it allows the movement of certain molecules in and out of the cell while the movement of other molecules is prevented. |
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Q.6 |
Fill in the blank: When an iron nail gets rusted, iron oxide is formed _____________. |
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Q.7 |
In the following question, an assertion and reason are given. Choose the correct option: |
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Q.8 |
Which of the following statement(s) is not correct? |
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Q.9 |
In the following question, an assertion and a reason are given. Choose the correct option: Assertion: The forces acting on a body can be replaced by the resultant force only as regards the motion of the body as a whole. Reason: The resultant force cannot replace the several forces acting on a body in other respects. |
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Q.10 |
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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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 : d | Q.3 : b | Q.4 : b | Q.5 : b | Q.6 : b | Q.7 : b | Q.8 : a | Q.9 : c | Q.10 : a