SilverZone - IOS PDF Sample Papers for Class 3

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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	Vinod took two potted plants A and B. He watered plant A with normal water and plant B with salt water for about a week. He observed the plants after a week. 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.2	A particular bird can swim in water and also fly comfortably. It lays eggs to reproduce. Which of the following could this bird be?
a)	Sparrow
b)	Swan
c)	Pigeon
d)	Parrot

Q.3	Which of these birds have a hooked beak?
a)	Sparrow
b)	Parrot
c)	Crow
d)	Woodpecker

Q.4	When should you take utmost care?
a)	When you use a sharpner instead of a blade.
b)	When you wear rubber sandals.
c)	When you light match sticks/crackers.
d)	When you play with soft toys.

Q.5	What should we do to minimise the overuse of plastics? We should use paper bags. We should give away old plastic toys to others who can use them. We should throw away the plastic containers.
a)	Only 1
b)	Only 2
c)	1 and 3
d)	1 and 2

Q.6	Complete the following pattern.
a)
b)
c)
d)

Q.7	Complete the following sentence. The height of a tree would best be measured in ___________.
a)	Litres
b)	Metres
c)	Grams
d)	Celsius

Q.8

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