SOF - NSO Level 2 Sample Papers for Class 8

Class 8 sample paper & practice questions for the level 2 of National Science Olympiad (NSO) are given below. Syllabus for level 2 is also mentioned for these exams. You can refer these sample paper & quiz for preparing for the exam.

Resources:

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

In cities, water from an overhead tank is supplied to houses using the principle of:

(i) difference in pressure

(ii) gravitational force

(iii) decrease of friction in pipes
a)

Only (i)
b)

Only (i) and (ii)
c)

Only (ii) and (iii)
d)

(i), (ii) and (iii)

Q.2

Which of the following events can cause an earthquake?

(i) Movement of the earth's plates

(ii) Volcanic eruption

(iii) Underground nuclear explosion
a)

Only (i) and (ii)
b)

Only (ii) and (iii)
c)

Only (i) and (iii)
d)

(i), (ii) and (iii)

Q.3

Which of the following processes include the mass emigration of bees to settle down at a new place in order to form a new hive?
a)

Migration
b)

Swarming
c)

Spawning
d)

Carting

Q.4

Which of the following is NOT an alternative energy resource?

  • Solar energy
  • Geothermal energy
  • Fossil fuel
  • Hydroelectric energy

a)

Solar energy 
b)

Geothermal energy
c)

Fossil fuel
d)

Hydroelectric energy

Q.5

Which of the following is the industrial applications of the chemical effects of electric current?

Electroplating, Galvanising, Anodising

a)

Electroplating only
b)

Galvanising only
c)

Anodising only
d)

Electroplating, Galvanising and Anodising

Q.6

Rohan burned a substance X and collected the evolved vapours in a test tube making sure that they do not escape. Then he added a small amount of water to the test tube. The solution so formed turned blue litmus red.

Rahul burned a substance Y, collected the white ash formed and dissolved it in water. The solution so formed turned red litmus blue. Substances X and Y could be respectively.     (NSO, 2017)
a)

P and Mg
b)

Ca and P
c)

Mg and S
d)

S and Mg

Q.7

A ball of mass m is thrown vertically upwards. What is the rate at which the momentum of the ball changes?
a)

Zero
b)

Infinity
c)

Mg
d)

2Mg

Q.8

Look at the block placed on the table given below.
Which of the following physical quantities is not the same when this block is kept over a table with its different faces touching the table?
a)

Pressure
b)

Volume
c)

Weight
d)

Mass

Q.9

When a tuning fork was struck and brought near a bucket of water, a wave as shown in the figure was formed on its surface.
If the fork is struck harder and brought near the surface, what will increase?
a)

Frequency
b)

Wavelength
c)

Velocity
d)

Amplitude

Q.10

Which fundamental particles are not present in the normal hydrogen?
a)

Electron
b)

Proton
c)

Neutron
d)

All of these

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Answers to Sample Questions from Olympiad Success:
Q.1 )bQ.2 )dQ.3 )bQ.4 )cQ.5 )dQ.6 )dQ.7 )cQ.8 )aQ.9 )dQ.10 )c

Answers to Sample Questions from Olympiad Success:

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

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