National Science Olympiad Forum By SOF Olympiad Trainer - Page 335

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
C is the answer.

Ans 2:

Class : Class 3
Thanks for telling

Ans 3:

Class : Class 8
C

Ans 4:

Class : Class 3
option c is the correct option because R is a bird

Ans 5:

Class : Class 4
HOW??I don't understand!!!!!!!!

Ans 6:

Class : Class 7
c

Ans 7:

Class : Class 3
C cannot be the answer as R can't be insects as insects breathe through spiracles and not lungs.

Ans 8:

Class : Class 3
B should be answer

Ans 9:

Class : Class 8
ccccc

Ans 10:

Class : Class 3
I have given wrong answer

Ans 11:

Class : Class 1
pls explain the answer

Ans 12:

Class : Class 4
R can be any mammal and S can be insects, as mammals have 4-2 legs answer C is wrong and answer B is correct. But my computor is showing that C is correct. HOW!?!!?

Ans 13: (Master Answer)

Class : Class 1

C

S could be insects, so they can possess six legs. R can be birds, they possess only two legs. So, this statement is incorrect.


Ans 14:

Class : Class 6
i got it wrong

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

Class : Class 8
ANS IS 154

Ans 3:

Class : Class 6

Ans 4:

Class : Class 6

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9

Ans 2:

Class : Class 9
according to reactivity series K>Na>Ca>Mg>Al>Zn>Fe>Pb>H>Cu>Hg>Ag>Au>Pt the metal should be between Al and Cu and hence Fe is the answer

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
A

Ans 2: (Master Answer)

Class : Class 1

A

Jute is a fibre obtained from stem of jute plant. Jute is harvested during flowering stage. The stems are cut off close to the ground and are left to dry for sometime. Dried stems are then tied into bundles and soaked in water for about 20 days. This process is called retting. It softens the tissue and permits the fibres to be separated.

 


Ans 3:

Class : Class 6

Ans 4:

Class : Class 6
The correct answer is (A).

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