CREST Science Olympiad Class 10 Sample Paper

Help your child excel in the Science Olympiad with the Class 10 sample paper. It's a great tool to practise important topics and understand the exam structure.

What's Included?

  • MCQs covering key concepts from the Class 10 science syllabus.
  • Two sections: Practical Science & Achiever's Section.
  • Answer key with detailed explanations for better understanding.

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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

Sample Questions

Q.1 Q.2 Q.3 Q.4 Q.5 Q.6 Q.7 Q.8 Q.9 Q.10

Q.1

Which of the statements given below are correct?

I. Ohm's law is not applicable at very low and very high temperature.
II. Ohm's law is applicable to the semiconductor.
III. Ohm's law is not applicable to electron tubes, discharge tubes and electrolytes.
IV. If a 24-volt battery is connected to a 6-ohm resistor, the current passing through the resistor is 4 A.

Q.2

Study the circuit given below and determine the effective resistance (in Ω) between A and B:



Q.3

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

Assertion: The magnetic field produced by a current-carrying solenoid is independent of its length and cross-section area.

Reason: The magnetic field inside the solenoid is uniform.

Q.4

Which one of the following elements is alloyed with iron to produce steel which can resist high temperatures and also have high hardness and abrasion resistance?

Q.5

Arrange the following in the increasing order of ease of oxidation:

(A) SO4-2         (B) F-1            (C) Br-1        (D) OH-

Q.6

Which of the following equations is the summary of photosynthesis?

Q.7

If I1 is the first ionization potential, I2 is the second ionization potential, I3 is the third ionization potential and I4 is the fourth ionization potential of an element, then which of the following has the least value?

Q.8

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

Assertion: In a simple electric circuit, the positive terminal of the battery is a point of lowest potential.

Reason: The electronic current flow in a circuit is from a point of highest potential to a point of lowest potential.

Q.9

What happens when 1 mole of ethyne undergoes complete combustion?

Q.10

When a person walking in bright sunlight enters a dark room, he is not able to see clearly for a little while.

Identify the correct reason for the above statement:

Your Score: 0/10

Answers to Sample Questions from CREST Olympiads:

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

Answers to Sample Questions from CREST Olympiads:

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

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