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.

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

What happens in lateral inversion?

a)

The right side of the object will be on the right side of the image.

b)

The left side of the object will be on the left side of the image.

c)

The top of the object will be the bottom of the image.

d)

The right side of the object will be on the left side of the image

Q.2

One cannot see through fog because ________.   (NSO, 2012)

a)

Fog absorbs light

b)

Refractive index of fog is unity

c)

Light suffers total internal reflection at the droplets in fog

d)

Light is scattered by the droplets in fog

Q.3

Hydrogen gas has the highest calorific value of 150 kJ/kg, yet it is not used as a fuel. Why?

a)

It is explosive in nature.

b)

It causes storage problem.

c)

It causes transportation problem.

d)

All of the above

Q.4

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.5

Which of the following completes the given sentence?

Sound can travel through  __________.

(p) gases only

(q) solids only

(r) liquids only

(s) solids, liquids and gases

a)

p

b)

q

c)

r

d)

s

Q.6

Select the option that correctly fills the blanks in any two of the given statements.

(i) _________ refers to the plants found in a particular area.

(ii) _________ species are those which are going to be extinct in near term future.

(iii) The lion-tailed macaque is included in ______ species the in red data book.

(iv) A place rich in _______ species is called a hotspot.      (NSO, 2016)

a)

(i) Fauna, (ii) Endangered

b)

(iii) Endangered, (iv) Endemic

c)

(i) Flora, (iii) Vulnerable

d)

(ii) Rare, (iv) Endangered

Q.7

Which of the following is the consequence of man's interference with nature?

a)

Increase in natural resources

b)

Biological imbalance

c)

Increase in the ozone layer

d)

Reappearance of extinct species

Q.8

A man walks on a straight road from his home to a market 2.5 km away with a speed of 5 km/h. Finding the market closed, he instantly turns and walks back home with a speed of 7.5 km/h. What is the average speed of the man between time interval 0 to 40 min?

a)

2.25 km/h

b)

5.625 km/h

c)

4.5 km/h

d)

7.5 km/h

Q.9

By which of the given processes is coal formed?

Carbonisation, Distillation, Vapourisation and Evaporation

a)

Carbonisation

b)

Distillation

c)

Vapourisation and Carbonisation

d)

Evaporation and Distillation

Q.10

Complete the following sentence using the correct option.

Rayon is different from synthetic fibres because _____________.

  1. it has a silk-like appearance.
  2. it is obtained from wood pulp.
  3. its fibres can also be woven like those of natural fibres.

a)

Only A

b)

Only B

c)

Only A and B

d)

A, B and C

Your Score: 0/10



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

Answers to Sample Questions from Olympiad Success:

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

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