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. Download Class 10 Science Olympiad Sample Paper (PDF) Download the free PDF to help your child prepare confidently and perform their best.
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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 Paper
Previous Year Paper
Marking Scheme
Free Study Material
Sample Questions
Q.1
It is possible to measure the passage of 50 electrons per sec with a certain sensitive device. This corresponds to a current of:
a) 8 x 10-18 A
b) 1.6 x 10-20 A
c) 8 x 10-20 A
d) 1.6 x 10-19 A
Q.2
Match List I (Vegetative propagation type) with List II (Example):
Column I (Vegetative propagation type)
Column II (Example)
1.
Tuber eye
a.
Garlic
2.
Bulb
b.
Rose
3.
Cutting
c.
Potato
4.
Plantlets at margins of leaves
d.
Bryophyllum
a) 1 – c, 2 – a, 3 – d, 4 – b
b) 1 – c, 2 – a, 3 – b, 4 – d
c) 1 – a, 2 – b, 3 – d, 4 – c
d) 1 – b, 2 – d, 3 – c, 4 – a
Q.3
Which of the following statements is correct regarding the grafting process?
a) The rooted plant that is cut in a slanting manner is known as a scion.
b) The part of a stem that is cut in a slanting way is called stock.
c) This is a natural method of vegetative reproduction.
d) Grafting is practised for mango and citrus plants.
Q.4
What happens when 1 mole of ethyne undergoes complete combustion?
a) 2 moles of carbon monoxide and half-mole of water are formed
b) 4 mole of carbon dioxide and 1 mole of water are formed
c) 2 mole of carbon dioxide and 1 mole of water are formed
d) 2 moles of carbon dioxide and 2 moles of water are formed
Q.5
Which of the following would stop evolution by natural selection from occurring?
a) If humans became extinct because of an epidemic disease.
b) If a thermonuclear war killed most living organisms and changed the environment drastically.
c) If ozone depletion led to increased ultraviolet radiation, which may cause many new mutations.
d) If all individuals in a population were genetically identical, and there was no genetic recombination, sexual reproduction, or mutation.
Q.6
Which of the following is obtained in its pure form by the reaction of sugar and sulphuric acid?
a) Water
b) Carbon
c) Oxygen
d) Hydrogen
Q.7
Length and diameters of four wires of same material are given below. The resistance of which of the following wires will be minimum?
a) L and D
b) 2 L and D
c) (L/2) and 2D
d) 2 L and (D/2)
Q.8
Label A, B, C and D in the following diagram:
a) A-Chloroplast, B-Guard cell, C-Air spaces, D-Upper epidermis
b) A-Air spaces, B-Guard cell, C-Chloroplast, D-Epidermis
c) A-Guard cells, B-Air spaces, C-Chloroplast, D-Upper epidermis
d) A-Epidermis, B-Guard cells, C-Air spaces, D-Chloroplast
Q.9
A convex mirror of focal length f produces an image 1/nth of the size of the object. Calculate the distance of the object from the mirror:
a) (n + 1)/n f
b) (n + 1)f
c) (n -1)f
d) (n -1/n)f
Q.10
Identify the phenomenon by which a new set of the population is formed from the change in the frequency of some genes:
a) Genetic drift
b) Organic evolution
c) Variations
d) Speciation
Your Score: 0 /10
Answers to Sample Questions from CREST Olympiads:
Q.1 a Q.2 b Q.3 d Q.4 c Q.5 d Q.6 b Q.7 c Q.8 a Q.9 c Q.10 a
Answers to Sample Questions from CREST Olympiads:
Q.1 : a | Q.2 : b | Q.3 : d | Q.4 : c | Q.5 : d | Q.6 : b | Q.7 : c | Q.8 : a | Q.9 : c | Q.10 : a
