CREST Science Olympiad Class 9 Previous Year Papers

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Syllabus:

Section 1: Motion, Force and Laws of Motion, Gravitation, Work and Energy, Sound, Matter in Our Surroundings, Is Matter Around Us Pure, Atoms and Molecules, Structure of Atom, Cell - The Fundamental Unit of Life, Tissues, Diversity in Living Organisms, Why Do We Fall Ill, Natural Resources, Improvement in Food Resources.

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:

Two elements X and Y having the same number of valence electrons in their atom will have similar ______________.

Q.2

In the following question, an assertion and reason are given. Choose the correct option:

Assertion: Meiosis is also known as a reduction division.

Reason: Meiosis involves the formation of daughter cells with half the number of chromosomes than that of the parent cell.

Q.3

Fill in the blanks:

Suppose gravity of the Earth suddenly becomes zero, then what will happen to the motion of the Moon (neglecting the effect of other celestial body) _____________.

Q.4

Which of the following graphs indicates that a body is undergoing retardation?

Q.5

Which of the following options is correct regarding the given statement?

A rubber ball and a lead ball having the same mass, strike normally on a smooth vertical wall with the same velocity. The lead balls fall down after striking the wall but the rubber ball bounces back. 

Q.6

Fill in the blank:

During a planned manoeuvre in a space flight, a free-floating astronaut A pushes another free-floating astronaut B, the mass of A being greater than that of B. Then, the magnitude of the force exerted by astronaut A on astronaut B is ___________.

Q.7

Choose the correct option and complete the following sentence:

As the principal quantum number increases, the difference of distance of separation between consecutive energy levels ______________.

Q.8

Consider the following statements and choose the correct option:

Statement 1: The atmosphere of the earth is heated by radiations which are mainly re-radiated by land and water.

Statement 2: Solar radiations heat up land slower than the water bodies.

Q.9

In the following question, an assertion and the reason are given. Choose the correct option:

Assertion: It is the gravitational force exerted by the sun and the moon on the seawater that causes the formation of tides in the sea.
Reason: The gravitational force of attraction is a weak force compared to other fundamental forces of nature. 

Q.10

Sound travels with a different speed in different media. In what order does the velocity of sound increase in these media?

Your Score: 0/10

Answers to Previous Year Questions from CREST Olympiads:

Q.1bQ.2aQ.3cQ.4bQ.5cQ.6bQ.7aQ.8aQ.9bQ.10c

Students can download the CREST Science Olympiad previous year paper pdf for class 9 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.

The CREST Science Olympiad previous year paper pdf for class 9 can be used by students to assess their preparation. They could then learn how to fill up the knowledge gaps in their preparation and identify areas where they lack. They might better prepare for their exam as a result. Additionally, if students practice answering the previous years’ questions, their time management skills improve and as a result they will be able to manage time better in the main exam.

Additional Preparation Resources

Students can also refer to the following resources to level up their CREST Science Olympiad (CSO) exam preparation for class 9 -

  1. CREST Science Worksheets Package for class 9 - It is a package of 5 worksheets. The worksheets are in the same pattern as the previous year paper. Hence, very useful for preparation. Existing users can purchase additional practice worksheets by following these steps: Login at https://www.crestolympiads.com/login -> Dashboard -> Additional Practice -> Buy & new users can visit https://www.crestolympiads.com/registration
  2. CREST Science Olympiad book for class 9 - The book covers topic-wise reading material, chapter-wise practice questions with answer key & contains the previous year paper. The book is available in both physical and pdf formats. Proceed now to purchase the Olympiad book. Also, students can view & download the first chapter of the Science Olympiad book for class 9 for free.

Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 9.

Answers to Previous Year Questions from CREST Olympiads:

Q.1 : b | Q.2 : a | Q.3 : c | Q.4 : b | Q.5 : c | Q.6 : b | Q.7 : a | Q.8 : a | Q.9 : b | Q.10 : c

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