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 of the following scales are not linear in nature? 

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

a)

(i) only

b)

(ii) and (iii)

c)

(ii) only

d)

(i) and (ii)

Q.2

Two or more crops that are grown together in same field to fulfill the nutrient requirement of each other is called ________.

a)

Transplantation

b)

Crop rotation

c)

Mixed cropping

d)

Fallowing

Q.3

The property due to which non-metals break up into pieces on hammering is called _______.

a)

Malleability

b)

Ductility

c)

Sonority

d)

Brittleness

Q.4

An object placed 4 m from a plane mirror is shifted by 0.5 m away from the mirror. What is the distance between the object and its image?

a)

4 m

b)

3.5 m

c)

9 m

d)

5 m

Q.5

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

Q.6

Which of the following is a property of thermosetting plastic?

a)

Flame resistant

b)

Non-corrosive

c)

Mouldable

d)

All of the above

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

Choose the pair of numbers that come next in the series 9, 11, 33, 13, 15, 33, 17.

a)

33, 19

b)

33, 35

c)

19, 33

d)

19, 21

Q.9

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.10

Fill in the blank with the option which fits the given pattern:



a)
b)
c)
d)

Your Score: 0/10


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.1dQ.2cQ.3dQ.4cQ.5dQ.6dQ.7aQ.8cQ.9cQ.10c

Answers to Sample Questions from Olympiad Success:

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

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