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

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.2

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.3

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

Q.4

Fill in the blank:

Certain parts of a plant can be bent easily without breaking. This flexibility in certain parts, like leaf and stem, can be attributed to the abundance of __________.

Q.5

Consider the following sentences and choose the correct option:

(i) The cell wall is the site of energy production in a plant cell.
(ii) Lysosomes are the reservoirs of starch, oil and protein granules.
(iii) A plant cell becomes turgid due to plasmolysis.
(iv) Chemically plasma membrane is composed of fats and lipids.
(v) The functional segments of DNA are called genes.

Q.6

What will happen if a saturated salt water solution is heated and allowed to cool without adding any more salt?

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

Identify the disease-causing agents:

Q.9

Fill in the blank:

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

Q.10

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.

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Answers to Sample Questions from CREST Olympiads:

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

Answers to Sample Questions from CREST Olympiads:

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

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