CREST Science Olympiad Class 8 Previous Year Paper

Is your child preparing for the Class 8 Science Olympiad? One of the most effective ways to boost their preparation is by solving previous year question papers. These papers help students get familiar with the exam format and the types of questions they can expect.

Why Use Previous Year Papers?

• They include questions from key topics such as Crop Production and Management, Microorganisms, Synthetic Fibres and Plastics, Metals and Non-metals etc.
• They help students improve their accuracy, speed, and critical thinking skills.
• Answer keys are provided for self-evaluation and better understanding of concepts.

Download the Science Olympiad Previous Year Paper for Class 8 (PDF) to help your child revise more effectively and approach the exam with greater confidence.

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Syllabus:

Section 1: Crop Production and Management, Microorganisms, Synthetic Fibres and Plastics, Metals and Non-metals, Coal and Petroleum, Combustion and Flame, Conservation of Plants and Animals, Cell, Reproduction and Endocrine System, Force and Pressure, Friction, Sound, Chemical Effects of Electric Current, Some Natural Phenomena, Light, Stars and the Solar System, Pollution of Air and Water.

Achievers Section: Higher Order Thinking Questions - Syllabus as per Section 1

Sample Paper Previous Year Paper Marking Scheme Free Study Material

Previous Year 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 following is/are a nitrifying bacterium? Nitrosomonas  Pseudomonas Nitrobacter Lactobacillus
	a) Only 1		b) Both 1 and 4
	c) Both 2 and 4		d) Both 1 and 3

Q.2	Identify the species (of plants and animals) which are found exclusively in a particular area:
	a) Epidemic species		b) Pelagic species
	c) Pandemic species		d) Endemic species

Q.3	Select the wrongly matched pairs:
	a) Apiculture - Honey bee		b) Sericulture - Fish
	c) Dairy farming - Milk		d) Poultry farming - Meat

Q.4	Which one of the following is/are included in protoplasm? I. Nucleus II. Cytoplasm III. Plasma membrane IV. Nucleoplasm
	a) I and II		b) I, II and III
	c) II only		d) I, II, III, IV

Q.5	Identify the correct order of reactivity of metals among the following:
	a) Zn < Cu < Fe < Al < Na		b) Fe < Zn < Cu < Na < Al
	c) Cu < Fe < Zn < Al < Na		d) Cu < Zn < Al < Na < Fe

Q.6	In the following question, an assertion and the reason are given. Choose the correct option: Assertion: When visible light is passed through a prism, violet colour is seen at the bottom of the screen. Reason: Prism has the highest refractive index for violet light.
	a) Assertion and the reason are true and reason is the correct explanation of the assertion		b) Assertion and the reason are true, but reason is not the correct explanation of the assertion
	c) Assertion is true but reason is false		d) Both assertion and reason are false

Q.7	Which of the following can change its shape? I. Amoeba II. Neuron III. WBC
	a) I only		b) I and II
	c) I and III		d) I, II, III

Q.8	Which of the following pair doesn't have the same dimensions?
	a) Force and pressure		b) Pressure and stress
	c) Impulse and momentum		d) Work and energy

Q.9	Which among the following salts produces maximum number of metal ions per molecule when dissolved in a suitable solvent?
	a) Aluminium phosphate, AlPO4		b) Magnesium phosphate, Mg3(PO4)2
	c) Sodium biphosphate, Na2HPO4		d) Aluminium dihydrogen phosphate, Al(H2PO4)3

Q.10	Consider the following statements about the placenta and choose the correct option: (i) It is an intimate connection between fetal membrane and uterine wall. (ii) Fetal blood comes very close to the maternal blood in the placenta. (iii) Fetus gets nutrients, oxygen, etc. from the maternal blood through the placenta and gives off wastes, CO2 etc.
	a) Only (ii) correct		b) Only (i) and (ii) are correct
	c) Only (iii) is correct		d) All of them are correct

Your Score: 0/10

Additional Preparation Resources

Students can also refer to the following resources to level up their CREST Science Olympiad (CSO) exam preparation for class 8 -

1. CREST Science Worksheets Package for class 8 - 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
2. CREST Science Olympiad book for class 8 - 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 8 for free.

Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 8.