CREST Science Olympiad Class 10 Sample Papers

Syllabus:

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

During cellular respiration one molecule of glucose is first broken down into two molecules of ________.

Q.2

The number of electrons contributed by an atom for sharing is known as?

Q.3

The persistence of image for normal human eye is __________.

Q.4

When a ray of light passes from a denser medium to a rarer medium which angle is greater?

Q.5

How life might have originated on earth was experimentally shown by _________.

Q.6

If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states that?

Q.7

A random change in the frequency of alleles in any population over several generations due to errors in the gametes is called _____.

Q.8

The value of solar constant is _________.

Q.9

The F2 phenotype ratio of a monohybrid cross studied by Mendel is _________.

Q.10

The resultant resistance of the three resistances 2 Ohms, 4 Ohms, 5 Ohms are connected in a series is _______.

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Answers to Sample Questions from CREST Olympiads:

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

Answers to Sample Questions from CREST Olympiads:

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

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