National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
C,as the wheat plants decrease in number.

Ans 2:

Class : Class 6

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

Class : Class 6
It will be option D. It will be D as it can be understood from the pictures that S is a room heater which is run by electric. Heat comes out of it. It is therefore used to keep our surroundings warm. Thank you .

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 4
Answer is C.

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Subject :NSO    Class : Class 5

Select the correct statement from the following.

A If blisters are formed due to severe burn, they should be immediately pricked and vinegar should be applied on the burnt area.
B Toothpaste should be applied to the skin area where the snake has bitten and the victim should be positioned such that the bitten part lies above the level of heart.
C If a person is bleeding through nose he should be made to lie down flat on ground with head held back.
D Both A and B


Ans 1:

Class : Class 7

Ans 2:

Class : Class 5
In option c, the person must bend head forward to let blood darin out through nose and not down the throat. So option c is wrong.Also sitting is better than lying, as if nose is above heart that reduces the pressure, so option C is terribly wrong

Ans 3:

Class : Class 5

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
B

Ans 2:

Class : Class 5
B

Ans 3:

Class : Class 5
C

Ans 4:

Class : Class 3
B

Ans 5:

Class : Class 4

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
I think the relationship is Kharif Crop: Kharif Crop. Then, option A cannot be correct as Barley is a Rabi crop while Maize is a Kharif crop.

Ans 2:

Class : Class 6

Ans 3:

Class : Class 7

Ans 4:

Class : Class 6
A is correct . Check on google

Ans 5:

Class : Class 5
The relationship is Rabi crop: kharif crop.

Ans 6:

Class : Class 4
The answer is correct. The relation is rabi : kharif .

Ans 7:

Class : Class 5
The relationship is Rabi:Kharif

Ans 8:

Class : Class 6

Ans 9:

Class : Class 6
I think the relationship is ( Kharif Crop: Kharif Crop ). Then, option A cannot be correct as Barley is a Rabi crop while Maize is a Kharif crop.

Ans 10:

Class : Class 7

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
why did not you send right answer clarification or correct options

Ans 2:

Class : Class 3
B & D

Ans 3:

Class : Class 5
B and D both are incorrect.

Ans 4:

Class : Class 5
B & D

Ans 5:

Class : Class 2
both B and D are incorrect

Ans 6:

Class : Class 4
B

Ans 7:

Class : Class 3
B and D are incorrect

Ans 8:

Class : Class 3
D is incorrect.But B is also incorrect as both kerosene and syrup are liquid.

Ans 9:

Class : Class 5

Ans 10:

Class : Class 3
B & D

Ans 11:

Class : Class 3

Ans 12:

Class : Class 3
both B

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
A

Ans 2:

Class : Class 4
answer is A not B

Ans 3:

Class : Class 5
A

Ans 4:

Class : Class 4
Answer is A

Ans 5:

Class : Class 3
Crecent to Newmoon to Crecent to Full Moon. Answer is A

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Subject :NSO    Class : Class 6

A matchbox containing an unknown object is placed on a thin sheet of glass in the experimental set-up shown in the figure.

When the bar magnet moves, it is able to drag the match box along. What is most likely to be found in the matchbox?

A Marble
B Toothpick
C Ten-cent coin
D Steel ball bearing


the match box should certainly contain something magnetic as, when the bar magnet is moved then the match box is also dragged along with it .

Ans 1:

Class : Class 6
Yes it is... yet a steel ball bearing is the best option

Ans 2:

Class : Class 5
Yes steel ball bearing is the best option ....... but i think ten cent coin is also magnetic ... but let it be option A {STEEL BALL BEARING}

Ans 3:

Class : Class 7
steel ball bearing is a conducter that is why it is able to drag the box with it.

Ans 4:

Class : Class 7
Isn't a ten-cent coin also magnetic?

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