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SOF - NSO PDF Sample Papers for Class 3

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Class 3 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

The students at Springdales Public School are having a reading competition. The third-grade students read 1, 302 books. The fourth-grade students read 987 books. The fifth-grade students read 1, 203 books. 

How many books did the third, fourth and fifth-grade students read?  (NSO, 2011)
a)

3, 492 books
b)

3, 482 books
c)

2, 492 books
d)

2, 482 books

Q.2

Vinod took two potted plants A and B. He watered plant A with normal water and plant B with salt water for about a weak. 

He observed the plants after a weak. Which of the following observation is likely to be correct?
a)

Plant A is in good condition and plant B has become thin and dry
b)

Plant B is in good condition and plant A has become thin and dry
c)

Both the plants A and B are in good and healthy condition
d)

Both the plants A and B are has become dry and thin

Q.3

Match the types of soil in column-I with their properties in column-II.

  Column-I   Column-II
1.    Loam A.     Hardest layer of the soil
2.    Topsoil B.

   The layer below the soil
3.    Subsoil C.     Best for the growth of the plants
4.    Bedrock D.     Roots of plants lie in the layer

a)

1-C, 2-D, 3-A, 4-B
b)

1-C, 2-D, 3-B, 4-A
c)

1-B, 2-D, 3-C, 4-A
d)

1-B, 2-D, 3-A, 4-C

Q.4

What is that common food which helps in making dairy product?
a)

Cheese
b)

Water
c)

Milk
d)

Honey

Q.5

Complete the following pattern.
a)
b)
c)
d)

Q.6

Where is the largest bone in our body present?
a)

Hand
b)

Thigh
c)

Feet
d)

Lip

Q.7

How many minutes is equal to one hour and 45 minutes?
a)

60 minutes
b)

90 minutes
c)

105 minutes
d)

120 minutes

Q.8

Which of the following statements is true?
a)

The moon does not revolve.
b)

The moon revolves around itself.
c)

The moon revolves around the earth.
d)

The moon revolves around the star.

Q.9

What should we do to minimise the overuse of plastics?

  1. We should use paper bags.
  2. We should give away old plastic toys to others who can use them.
  3. We should throw away the plastic containers.
a)

Only 1
b)

Only 2
c)

1 and 3
d)

1 and 2

Q.10

Fill in the blank and choose the correct option.

A carrot plant differs from a marigold plant because it ______________.
a)

has fibrous roots
b)

has tap roots
c)

does not store food in its roots
d)

can only absorb water but not minerals

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Sample PDF of SOF - National Science Olympiad (NSO) PDF Sample Papers for Class 3:


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Answers to Sample Questions from Olympiad Success:

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

Answers to Sample Questions from Olympiad Success:

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

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