SilverZone - IOS PDF Sample Papers for Class 10

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

Which among the following can be used as an additive in petrol?

a)

ethanol

b)

ethyl

c)

ethnic acid

d)

ethane

Q.2

Copper oxide is:

a)

basic

b)

acidic

c)

neutral

d)

slightly acidic

Q.3

Amoeba undergo which mode of reproduction under the unfavourable condition?

a)

Multiple fission

b)

Binary fission

c)

Fusion

d)

Regeneration

Q.4

The salts of which of the following metals can act as electrolyte?

a)

K

b)

Ag

c)

Au

d)

Cu

Q.5

The SI unit of refractive index is:

a)

dioptre

b)

no unit

c)

cm

d)

m

Q.6

Washing soda is:

a)

sodium carbonate

b)

sodium hydrogen carbonate

c)

sodium hydroxide

d)

calcium carbonate

Q.7

Which among the following is not an allotrope of carbon?

a)

Ethanoic acid

b)

Buckminsterfullerene

c)

Diamond

d)

Graphite

Q.8

Which among the following is an amphoteric oxide?

a)

Zinc oxide

b)

Copper oxide

c)

Magnesium oxide

d)

Sodium oxide

Q.9

Floods can be prevented by

a)

Afforestation

b)

Removing top soil

c)

Deforestation

d)

Agriculture

Q.10

Which of the following burns without smoke?

a)

Petroleum

b)

Coal

c)

Wood

d)

Biogas

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Answers to Sample Questions from Olympiad Success:

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

Answers to Sample Questions from Olympiad Success:

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

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