SOF - NSO Level 2 Sample Papers for Class 3

Class 3 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.

Resources:

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 activity requires air?
a)	Movement of vehicle
b)	Burning of wood
c)	Building of house
d)	Throwing a stone

Q.2	The animals given below are similar. As they all are ________________. Rabbits, Rats and squirrels
a)	flesh-eating animals
b)	both plants and flesh eating animals
c)	the animals that gnaw their food
d)	All of these

Q.3	Which of the following system is found attached to the bone and helps us in moving about and in doing different kinds of work?
a)	Muscular system
b)	Nervous system
c)	Respiratory system
d)	Circulatory system

Q.4	While exercising, our body needs more oxygen. Which of the following systems ensures that our body receives enough oxygen? P - Respiratory system Q - Digestive system R - Circulatory system
a)	P only
b)	Q only
c)	P and R only
d)	Q and R only

Q.5	We know that the continuous heating and cooling of rocks broke them down into smaller pieces. Which of the following is responsible for continuous heating and cooling?
a)	Air and water
b)	Sunlight and rains
c)	Plants and trees
d)	Plants and animals

Q.6

Fill in the blank with an example.

Climbing bird	Preying bird	Wading bird
Woodpecker	Hawk	___________

Crane

Penguin

Eagle

Parrot

Q.7	The figure given shows the movement of the earth around the sun. Which of the following affects the motion of the earth around the sun the most?
a)	Timing of tides
b)	Length of a month
c)	Cycle of seasons
d)	Phases of the moon

Q.8	Which of these shows an action following a safety rule?
a)	Touching an electrical gadget
b)	Playing with broken toys
c)	Pushing each other
d)	Walking on the footpath

Q.9	Five children made the following statements about birds. Aman: All birds can fly. Ruchita: All birds have a beak. Dhaval: All birds have a backbone. Enna: All birds have an outer covering of feathers. Shekha: Most birds lay eggs, while some give birth to their young. Whose statements about birds are true?
a)	Ruchita, Dhaval, Enna and Aman
b)	Aman, Ruchita, Enna and Shekha
c)	Aman, Ruchita and Dhaval
d)	Ruchita, Dhaval and Enna

Q.10	Leaves are green due to the presence of a green pigment called chlorophyll. The main function of chlorophyll is
a)	to absorb carbon dioxide from the atmosphere.
b)	to absorb water and minerals from the soil.
c)	to give greenish colour to the leaves.
d)	to perform photosynthesis in the presence of sunlight, carbon dioxide and water.

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Answers to Sample Questions from Olympiad Success:

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

Answers to Sample Questions from Olympiad Success:

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

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