National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
wool is only sheared from body so answer is B

Ans 2:

Class : Class 7
The answer will be C. As coarse hair (burrs) are used to make low grade materials like rugs, good hair is used to make sweaters and shawls.

Ans 3:

Class : Class 8
The fine soft underhair close to skin are used to make wool :)

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
all the figures are correct. Please mark the movement. In figure 3, the striking magnet will first touch at other end resulting it as a South pole.

Ans 2:

Class : Class 6
The answer is D

Ans 3:

Class : Class 7
answer should be d because in 1 and 2, direction of stroking is from right to left and thus, where the pole of the magnet is north and south, they will at the same place on the steel bar. in option 3, where the pole of the magnet is north/south, but on the steel bar it is the opposite(south/north). but because the direction is not left to right, but right to left, thus, all the options are correct.

Ans 4:

Class : Class 5
The correct answer is D as in the first and second cases the direction of the strokes are as per the poles and in the third case the picture shows the opposite direction of the stroke but in the correct pattern.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

Class : Class 5
C is stethoscope

Ans 3:

Class : Class 3
option c was not clear...it was confusing...

Ans 4:

Class : Class 7
A is not correct as it converts wind energy into electrical energy B is not correct as it converts electrical energy int heat energy. and I am not sure what is the c one

Ans 5:

Class : Class 6
option"C" isn't clear enough to identify it

Ans 6:

Class : Class 7
c is walkman

Ans 7:

Class : Class 5
option c is confusing. which appliance it is?

Ans 8:

Class : Class 5
And:c

Ans 9:

Class : Class 5
C IS NOT STETHOSCOPE IT IS A CD WITH A CABLE . A CD HAS CHEMICAL ENERGY [BATTERY] AND IT DOESN'T CONVERT IT INTO ANY OTHER FORM HENCE C IS ALSO CORRECT

Ans 10:

Class : Class 6
D

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
hello

Ans 2:

Class : Class 6

Ans 3:

Class : Class 4
hihbhbbubb

Ans 4:

Class : Class 7
the corect answer should be b

Ans 5:

Class : Class 6
The correct answer should be B because bulb B and C are in parallel connection,and current flows equally in parallel connection.So the brightness of bulb A will remain same but the brightness of bulb B will decrease,as the current which was flowing only to bulb B will now flow to both bulb B and bulb C.i have reported error for this question

Ans 6:

Class : Class 6
I CAN'T SEE THE PICTURE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 7:

Class : Class 6

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 4

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Subject :NSO    Class : Class 5

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