National Science Olympiad Forum By SOF Olympiad Trainer - Page 534

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
kHz = 1000Hz

Ans 2:

Class : Class 9
1000

Ans 3:

Class : Class 9
how many kHz = Hz

Ans 4:

Class : Class 9
correct answer should be c

Ans 5:

Class : Class 10
Answer is A Because the question is "ABOVE THE AUDIBLE RANGE, not within"

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 8

Ans 2:

Class : Class 3
D is the correct answer

Ans 3:

Class : Class 6
NONE OF THE OPTIONS ARE CORRECT

Ans 4:

Class : Class 3
none of the options are correct

Ans 5:

Class : Class 8
the correct answer will be both option b and d

Ans 6:

Class : Class 6
none of the options are correct.

Ans 7:

Class : Class 7

Ans 8:

Class : Class 8
None of the options are correct

Ans 9:

Class : Class 6
I DISCUSSED A LOT .SEARCHED ON GOOGLE. MALARIA IS A NON COMMUNICABLE DISEASE.PLEASE explain IT

Ans 10:

Class : Class 5
Correct answer is D not B!

Ans 11:

Class : Class 7
correct answer is D

Ans 12:

Class : Class 8
correct answer should be D

Ans 13:

Class : Class 4

Ans 14:

Class : Class 8
Option D is the correct answer

Ans 15:

Class : Class 8
no option is correct

Ans 16:

Class : Class 9
Pls explain

Ans 17:

Class : Class 4
D is correct

Ans 18:

Class : Class 5
I tried reporting an error but it did not work. Please try as well

Ans 19:

Class : Class 7
D is the correct answer

Ans 20:

Class : Class 5
no option is corect,it is d with the diseases interchanged

Ans 21:

Class : Class 7

Ans 22:

Class : Class 6

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Subject :NSO    Class : Class 5

Ans 1:

Class :
ok

Ans 2:

Class : Class 5
It's D option

Ans 3:

Class : Class 7

Ans 4:

Class : Class 6

Ans 5:

Class : Class 4
its a

Ans 6:

Class : Class 5
its c

Ans 7:

Class : Class 5
what is the framework of a bone?

Ans 8:

Class : Class 5

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 3

Ans 1:

Class :
when we put some water in a soil surface, we cold see small bubbles on the soil surface.

Ans 2:

Class :
D)

Ans 3:

Class : Class 4

Ans 4:

Class : Class 3
D

Ans 5:

Class :
If we in a soil sample, we would see small bubbles on the soil sample.

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Subject :NSO    Class : Class 3

Ans 1:

Class :
Hitting the cricket ball with a bat to make a run.

Ans 2:

Class : Class 4

Ans 3:

Class : Class 3

Ans 4:

Class : Class 4
c

Ans 5:

Class : Class 3
c

Ans 6:

Class : Class 4
c as in a b d force pull is used

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
(A) cannot be the right answer as once the water vaporizes, there is no scope for sedimentation. (B) cannot be the right answer as once the mixture is filtered, the sand shall be collected on the filter paper while the clean water shall be collected in a beaker.Evaporation is not required. The answer is (C) because sand is heavier than water and shall settle down at the bottom of the beaker.This process is called sedimentation.Subsequently,the clear water from the top can be decanted out. (D) cannot be the right answer as once decantation is done, the clear filtrate shall be left over and filtration is not required.

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
It is correct as vaporisation increases with increased wind speed

Ans 2:

Class : Class 8

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