CREST Science Olympiad Class 9 Sample 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

Identify X and Y in the given figure:



Q.2

Hard water can not be used in boilers. Which of the following is the reason for the same?

Q.3

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

Assertion: Plasma membrane contains bimolecular lipid layer, the surface of which is interrupted by proteins.
Reason: Selective permeability of the plasma membrane is explained with the help of a fluid mosaic model.

Q.4

Shivam 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. Cellulosed cell walls are found in animals 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.5

Fill in the blank:

To prevent soil erosion, a farmer plants a hedge across a field. This method works because ____________.

Q.6

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.7

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.8

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.9

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

Q.10

What happens when a sound wave passes from a highly polluted region to a pollution-free area?

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Answers to Sample Questions from CREST Olympiads:

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

Answers to Sample Questions from CREST Olympiads:

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

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