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Section 1: Chemical Reactions and Equations, Acids, Bases and Salts, Metals and Non-metals, Carbon and its Compounds, Periodic Classification of Elements, Life Processes, Reproduction in Organisms, Heredity and Evolution, Light-Reflection and Refraction, Human Eye and Colourful World, Electricity, Magnetic Effects of Electric Current, Sources of Energy, Our Environment and its Management.
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 |
Choose the correct option and complete the following sentence: An electric motor consists of ____________. |
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Q.2 |
Which one of the following elements is alloyed with iron to produce steel which can resist high temperatures and also have high hardness and abrasion resistance? |
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Q.3 |
In the following question, an assertion and a reason are given. Choose the correct option: Assertion (A): A person, who has suffered from smallpox can be recommended for providing nursing care to the victims of smallpox than the person who hadn't suffered from smallpox. Reason (R): The immune system of the person who had suffered from smallpox remembers the microbes causing smallpox and responds vigorously on the next encounter. |
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Q.4 |
Which of the statements given below are correct? I. Ohm's law is not applicable at very low and very high temperature. |
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Q.5 |
In the following question, an assertion and a reason are given. Choose the correct option: Assertion (A): Generally, the colour of indicators changes in a particular pH range. Reason (R): Indicators are weak acids or weak bases and exhibit different colours in molecular form and ionic form. |
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Q.6 |
Which of the following statements about carbon is/are correct? A. It has a small atomic size. |
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Q.7 |
Arrange the following in the increasing order of ease of oxidation: (A) SO4-2 (B) F-1 (C) Br-1 (D) OH- |
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Q.8 |
In the following question, an assertion and a reason are given. Choose the correct option: Assertion: The magnetic field produced by a current-carrying solenoid is independent of its length and cross-section area. Reason: The magnetic field inside the solenoid is uniform. |
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Q.9 |
Choose the correct option and complete the following sentence: Sexual reproduction causes genetic variation because of _____________.
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Q.10 |
In the following question, an assertion and the reason are given. Choose the correct option: Assertion (A): In the periodic table of chemical elements, electron affinity is always found to increase from top to bottom in a group. |
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Your Score: 0/10
Students can find the most recent CREST Science Olympiad previous year paper pdf for class 10 on this page. The pdf is easily downloadable & answer key for all the questions is also provided on the last page.
CREST Science Olympiad previous year papers become quite useful while preparing for the CREST Science Olympiad exam. Below are some advantages of referring to the previous year papers -
Students can also refer to the following resources to level up their CREST Science Olympiad (CSO) exam preparation for class 10 -
Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 10.
Answers to Previous Year Questions from CREST Olympiads:
Q.1 : c | Q.2 : b | Q.3 : a | Q.4 : c | Q.5 : a | Q.6 : d | Q.7 : d | Q.8 : b | Q.9 : d | Q.10 : d