National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8
meaning of piercing

Ans 2:

Class : Class 4
answer is C

Ans 3:

Class : Class 3

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
Answer C is the right answer, as Boiling leads to water residue and fungal growth happens on storing. In the case of baking the food is dried up and can be stored for longer duration

Ans 2:

Class : Class 4
ANSWER IS B

Ans 3:

Class : Class 4
No, you are wrong @Arini Das. The correct answer is B. Baking is a method for cooking only whereas canning and drying are methods of preservation. Boiling is a method of cooking as well as preservation so B is the correct answer.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 4
oye balle balle dhe shava shava, balle balle dhe shava shava, pio pio re kava kava, gana khatham hua

Ans 2:

Class : Class 3

Ans 3:

Class : Class 3

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 4

Ans 3:

Class : Class 1

Ans 4:

Class : Class 3

Ans 5:

Class : Class 4
How come 'Silverfish' has 6 legs?Ankush

Ans 6:

Class : Class 1

Ans 7:

Class : Class 2

Ans 8:

Class : Class 4
this is crazy

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
It should be 1 and four, the option of which is not given.

Ans 2:

Class : Class 7
Magnetic separation can only be used in the cases in which one constituent is magnetic and the other is not. In case one Copper is not magnetic and iron is. In the second case Aluminium is not magnetic and Steel is. nIn the third case both the objects gold and the glass marble are non magnetic objects and hence magnetic separation cannot be used in this case. In the last case both Nickel as well as Steel are magnetic and thus magnetic separation cannot be used. So, magnetic separation can only be used in case 1 and case. Hence the answer is A

Ans 3:

Class : Class 8
The correct option is answer c Containers 1,2,4

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 4
ans C

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
A

Ans 2:

Class : Class 4

Ans 3:

Class : Class 3
the answer is a

Ans 4:

Class : Class 3
how? A is the correct answer? how?

Ans 5:

Class : Class 2
A

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
The correct answer is A.

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