National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 6
(A

Ans 2:

Class : Class 6
Option b) The Skin

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
b . We use friction in three types - Static friction , Sliding friction , Rolling friction. Here we are using sliding friction .

Ans 2:

Class : Class 4
B. Frictional Force

Ans 3:

Class : Class 4
B.Frictional Force

Ans 4:

Class : Class 7
Mars

Ans 5:

Class : Class 7
Mars

Ans 6:

Class : Class 7
B] Frictional force

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
a. Because woollen clothes trap air and make us feel warm.

Ans 2:

Class : Class 4
A.Hot,Summer

Ans 3:

Class : Class 7
A Hot , Summer

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
calcium

Ans 2:

Class : Class 5
2. Because dehydration means to take water from it .So it will be drying.

Ans 3:

Class : Class 4
2. Drying

Ans 4:

Class : Class 4
2.Drying

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
C. Premolar--Knife

Ans 2:

Class : Class 7
D Molar -- Grinder

Ans 3:

Class : Class 5
c. premolar crushes the food

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 5
C ..........Premolar--Knife

Ans 2:

Class : Class 6
B

Ans 3:

Class : Class 4
C

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
D All of These

Ans 2:

Class : Class 5
D . All of These

Ans 3:

Class : Class 5
D

Ans 4:

Class : Class 5
d. they all live in mud house,in hexagonal shape like house , live everywhere respectively

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