National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 4
B

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Subject :NSO    Class : Class 1

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
6

Ans 2:

Class : Class 3
Explanation - Combinations with B1 - B1G1G2, B1G1G3, B1G1G4, B1G2G3, B1G2G4, B1G3G4 Combinations with B2 - B2G1G2, B2G1G3, B2G1G4, B2G2G3, B2G2G4, B2G3G4 Hence total of 12 combinations. Answer is B (B stands for Boy and G stands for Girl)

Ans 3:

Class : Class 4
C

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
please explain P diagram

Ans 2:

Class : Class 5
A]P only

Ans 3:

Class : Class 5
A-P

Ans 4:

Class : Class 6

Ans 5:

Class : Class 5

Ans 6:

Class : Class 5
 A-P

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
Option A - Cheese is rich in Protein Option B - Eggs are rich in Protein and Carbohydrates Option C - Idlis are made up of rice/semolina flour (coarse, fibre rich particles of wheat left behind after the finer particles of flour have passed through the refining process), urad dal, etc. It is rich in carbohydrates. Protein and roughage are also present in it. Option D - Butter is rich in Fats

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Q,because salt dissolves quickly in hot water.

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Subject :NSO    Class : Class 1

Ans 1: (Master Answer)

Class : Class 1
The answer is A.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
Answer: (D) Solution: In the options, A is correct as ice has strong forces of attraction since it is a solid. It can't be compressed and has fixed shape and volume. It can't flow.

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
B

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