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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 |
The pressure at a certain depth in river water is p1 and at the same depth the pressure in seawater is p2. Given that the density of seawater is greater than that of river water. Identify the correct relation between p1 and p2: |
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Q.2 |
An elephant has a mass of 3000 kg. Each of its foot has a surface area of 0.4 m2. A lady of mass 45 kg wears stiletto shoes. Each of the stiletto heels has a surface area of 0.01 m2. Assuming there is the equal distribution of mass on each foot. |
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Q.3 |
Which of the following can lead to menstruation in a 21-year-old woman after ovulation? |
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Q.4 |
Consider the following statements and choose the correct option: Statement 1: The ignition temperature of white phosphorus is nearly equivalent to the temperature of the earth. Statement 2: Combustion of fuel by motor vehicles is an example of spontaneous combustion. |
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Q.5 |
Match the column I with column II:
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Q.6 |
What happens when light emitted by a point source of light is passed through a prism? |
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Q.7 |
Susan was walking on ice, her mother advised her to take smaller steps to avoid slipping. Which of the following could be the reason for the smaller steps? |
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Q.8 |
During a lab experiment, Mark used a dye to stain a cell to observe its various structures. Which cellular structure would likely appear colorless or transparent due to this staining process? |
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Q.9 |
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.10 |
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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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 : c | Q.2 : b | Q.3 : a | Q.4 : d | Q.5 : b | Q.6 : b | Q.7 : c | Q.8 : c | Q.9 : a | Q.10 : b