SOF - NSO PDF Sample Papers for Class 8

Class 8 sample paper & practice questions for National Science Olympiad (NSO) 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 fundamental particle in an atom has no charge?

a)

Electron

b)

Proton

c)

Neutron

d)

Both a and b

Q.2

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.3

Which of the following scales are not linear in nature? 

(i) Decibel     (ii) Richter   (iii) Metre   (NSO, 2012)

a)

(i) only

b)

(ii) and (iii)

c)

(ii) only

d)

(i) and (ii)

Q.4

Look at this series: 1.5, 2.3, 3.1, 3.9, . . . What number should come next?

a)

4.2

b)

4.4

c)

4.7

d)

5.1

Q.5

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.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

Choose the correct statement among the following. (NSO, 2013)

a)

The substances which vapourise during burning, do not give flames.

b)

The substances which have a very high ignition temperature are called flammable substaces.

c)

When the match is struck against the rubbing surface, some red phosphorus gets converted into white phosphorus.

d)

 The job of a fire extinguisher is to cut off the supply of carbon dioxide, and hence the fire is controlled.

Q.8

Which of the following substances will prevent corrosion of metals?

a)

Nitrogen

b)

Hydrogen

c)

Oxygen

d)

Carbon

Q.9

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.10

What does the blue zone in an L.P.G. flame indicate?

a)

Unburnt vapour

b)

Partial decomposition

c)

Moderately hot

d)

Hottest zone of complete combustion

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Sample PDF of SOF - National Science Olympiad (NSO) PDF Sample Papers for Class 8:


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Answers to Sample Questions from Olympiad Success:

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

Answers to Sample Questions from Olympiad Success:

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

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