SilverZone - IOS PDF Sample Papers for Class 10

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Class 10 sample paper & practice questions for International Olympiad of Science (IOS) level 1 are given below. Syllabus for level 1 is also mentioned for these exams. You can refer these sample paper & quiz for preparing for the exam.

Sample Questions from Olympiad Success:

Q.1

Q.2

Q.3

Q.4

Q.5

Q.6

Q.7

Q.8

Q.9

Q.10

Q.1	What is the relation between my brother and his wife's mother-in-law's daughter?
a)	sister-in-law
b)	mother
c)	father
d)	sister

Q.2	Which among the following protects us from the harmful UV radiations of sun?
a)	Oxygen
b)	Ozone
c)	Carbon dioxide
d)	Carbon monoxide

Q.3	Which among the following is a sexually transmitted disease?
a)	HIV
b)	AIDS
c)	syphilis
d)	all of these

Q.4	Which among the following is not an allotrope of carbon?
a)	Ethanoic acid
b)	Buckminsterfullerene
c)	Diamond
d)	Graphite

Q.5	Respiration is an:
a)	exothermic reaction
b)	endothermic reaction
c)	displacement reaction
d)	precipitation reaction

Q.6	The salts of which of the following metals can act as electrolyte?
a)	K
b)	Ag
c)	Au
d)	Cu

Q.7	Sun disappears two minutes after the actual sunset due to:
a)	tyndall effect
b)	atmospheric refraction
c)	scattering of light
d)	reflection

Q.8	Identify the identical figures from the following options given.
a)	1,5,7; 2,4,6; 3,8,9
b)	1,5,8; 2,4,6; 3,7,9
c)	1,5,8; 2,4,9; 3,7,6
d)	1,2,8; 4,5,6; 3,7,9

Q.9	The brown hair of Seem is an:
a)	acquired trait
b)	natural trait
c)	Darwin's trait
d)	inherited trait

Q.10	If the first and second letters in the word ENTHUSIASM are interchanged, also the third and fourth letters, the fifth and the sixth letter and so on, which of the following would be the sixth letter from the right?
a)	U
b)	A
c)	S
d)	T