SilverZone - IOS PDF Sample Papers for Class 8

Class 8 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

Cup is to coffee as bowl is to ____________.

a)

Soup

b)

Dish

c)

Spoon

d)

Food

Q.2

Of the four choices, choose the picture that would go in the empty box so that the two bottom pictures are related in the same way as the top two are related.



a)
b)
c)
d)

Q.3

The maximum displacement of the bob of a simple pendulum from its mean position on either side is called as __________.

a)

Frequency

b)

Pitch

c)

Time period

d)

Amplitude

Q.4

Complete the series:- ZA5 YB4 XC6 WD3 _____.

a)

E7V

b)

V2E

c)

VE5

d)

VE7

Q.5

Find the pair that has a similar relationship as Pulsate: Throb.

a)

Examine : Scrutinize

b)

Walk : Run

c)

Tired : Sleep

d)

Ballet : Dancer

Q.6

The loudness of sound coming from murmur in a quite library is about 30 decibel while that from a car horn is about 120 decibel. The ratio of the amplitudes of vibrations producing these sounds is   (NSO, 2015)

a)

1:1

b)

1:2

c)

1:4

d)

1:16

Q.7

Chemical compound whose molecules ionize into positively and negatively charged ions in a solution are called __________.

a)

Electrolyte

b)

Non-electrolyte

c)

Molten metal

d)

Salt solution

Q.8

How are Paramoecium and Amoeba are similar?

a)

Unicellular

b)

Does not have a nucleus

c)

Reproduce by binay fission

d)

Both a and c

Q.9

Which of the following substances will prevent corrosion of metals?

a)

Nitrogen

b)

Hydrogen

c)

Oxygen

d)

Carbon

Q.10

Which of the following is called the master gland of the human body?

a)

Thyroid

b)

Adrenal

c)

Islets of langerhans

d)

Pituitary

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Answers to Sample Questions from Olympiad Success:

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

Answers to Sample Questions from Olympiad Success:

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

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