SilverZone - IOS PDF Sample Papers for Class 3

Class 3 sample paper & practice questions for International Olympiad of Science (IOS) 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

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.2

Select one pair from the options such that when all the numbers are added gives the number in the centre.



a)

3, 5

b)

2, 3

c)

2, 4

d)

3, 4

Q.3

Complete the following sentence.

The height of a tree would best be measured in ___________.



a)

Litres

b)

Metres

c)

Grams

d)

Celsius

Q.4

Which of the following are natural sources of light?

Sun, Stars, Burning wood, Candle, Tube light, Glow-worms, Fireflies

a)

Sun, Stars, Glow-worms, Fireflies 

b)

Sun, Candle, Glow-worms, Fireflies 

c)

Candle, Tube light, Fireflies, Burning wood

d)

Glow-worms, Tube light, Fireflies, Burning wood

Q.5

Read the given passage.

Food contains substances which provide energy for survival and growth of our body. These substances are called nutrients. Nutrients are grouped into carbohydrates, fats, proteins, 'L' and 'M'. Roughage and 'N' also form a part of our food. 

'L', 'M' and 'N' are found in rich-amount in which of these? (Set-A NSO, 2013)

a)

Cereal and oats

b)

Fruits and vegetables

c)

Milk and butter

d)

Eggs and meat

Q.6

Which of the following forms of water can we feel, see and crush?

a)

Solid

b)

Vapour

c)

Liquid

d)

All of these

Q.7

Prachi wants to send her birthday invitation to her friend living in Mumbai. Her father wrote the full address with PIN code.

Prachi asked her father what does PIN code stands for?

a)

Personal index number

b)

Personal identification number

c)

postal index number

d)

Provisional index number

Q.8

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

Q.9

Animals that have been trained to live with people are said to be ______________.   (Set-A NSO, 2012)

a)

Wild 

b)

Tamed

c)

Carnivore

d)

Omnivore

Q.10

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

Your Score: 0/10


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Answers to Sample Questions from Olympiad Success:

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

Answers to Sample Questions from Olympiad Success:

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

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