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
Harry made the following comments about cells during a class presentation. After his presentation, his teacher remarked that he made an erroneous comment. Find the same.
i. Cellulose cell walls are found in animal cells. ii. Chlorophyll is found in chloroplasts. iii. A cell is usually made up of a cell membrane, cytoplasm and nucleus. iv. Vacuoles are found mostly in plant cells.
Q.2
A man is at rest in the middle of a horizontal plane of the perfectly smooth surface of the ice. He can move himself to the shore by making use of which of the following Newton's law?
Q.3
Consider the following statements and choose the correct option:
Statement 1: The milk is an example of a colloidal solution.
Statement 2: Medicines are more effective if they are used in the colloidal state.
Q.4
A ball of mass 2 kg is thrown up vertically with a kinetic energy of 490 J. The height at which the kinetic energy of the body becomes half of the original value is _________. The acceleration due to gravity is 9.8 ms-2.
Q.5
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.6
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.7
Rectify the given statements by replacing the underlined words and select the correct option:
(i) The viscous fluid present in the nucleus is called cytoplasm. (ii) Vacuoles are rod shaped structures which oxidise food to provide energy. (iii) Mitochondria contain green pigment chlorophyll and take part in photosynthesis. (iv) Lysosomes take part in synthesis of proteins.
Q.8
Choose the correct option and complete the following sentence:
The acceleration due to the Earth's gravity decreases, if _________. I. we go up from the surface of the Earth II. we go from the equator towards the pole III. the rotation speed of the Earth is increased IV. we go down from the surface of the Earth towards its centre
Q.9
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.10
Which of the following graphs indicates that a body is undergoing retardation?
Answers to Previous Year Questions from CREST Olympiads:
Q.1
c
Q.2
c
Q.3
c
Q.4
c
Q.5
a
Q.6
a
Q.7
c
Q.8
b
Q.9
a
Q.10
b
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 -
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
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 : c | Q.2 : c | Q.3 : c | Q.4 : c | Q.5 : a | Q.6 : a | Q.7 : c | Q.8 : b | Q.9 : a | Q.10 : b
