National Science Olympiad Forum By SOF Olympiad Trainer - Page 323
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Dushyant Singh from Shri Ram Centennial School, Indore
Subject :NSO    Class : Class 5

Ans 1:

Anhad A from Chrysalis, Bangalore
Class : Class 7
I agree with Admin

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

As we know, opposite poles of magnets attract each other. Then the possible combinations can be :

Either,

P - North, Q - South, R - North, S - South, T - North, U - South, V - North, W - South  

Or,

P - South, Q - North, R - South, S - North, T - South, U - North, V - South, W - North

Lets say if Q is S - South. Then, the only possible option is (B).

 

 


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Arnav Ranka from Gyan Bharati School, Saket, New Delhi
Subject :NSO    Class : Class 8

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Neil Pathak from GD Goenka Public School, Paschiim Vihar, New Delhi
Subject :NSO    Class : Class 6

Ans 1:

arin chaitanya from the shri ram school, New Delhi
Class : Class 9

Ans 2:

RUDRAKSH BISWAS from MAYOOR PRIVATE SCHOOL, ABU DHABI
Class : Class 6
the answer is B as it protects us from shocks

Ans 3:

arin chaitanya from the shri ram school, New Delhi
Class : Class 9
answer=c

Ans 4:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 9

Ans 5:

SOUVAGYA SAHA from De Nobili School, DHANBAD
Class : Class 10

Ans 6: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C 

Rubber do not control the flow of electric current .But it is an insulator of elctricity .Hence, wearing rubber gloves while handling the live wires  protects us form elctric shock. .


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Harshvi Udani from Sawatridevi Agrawal school, Mumbai
Subject :NSO    Class : Class 6

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Harshvi Udani from Sawatridevi Agrawal school, Mumbai
Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

For an object moving with constant speed , speed is given by the ratio of distance travelled to the time taken by it. Hence, its SI unit is m/s.

Volume of an object is obtained by multiplying area of cross section to its height .Hence, its SI unit is m^3.


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Nisarg Milan Salot from Narayana E-Techno School, Mumbai
Subject :NSO    Class : Class 8

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Aarush Shetty from National Public School, Bangalore
Subject :NSO    Class : Class 7

Ans 1:

GAUTHAM GOPINATH from BPDAV School, HYDERABAD
Class : Class 10
Is petrol a mixture or a compound?

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Sargah Surya from bgsnps, Bengaluru
Subject :NSO    Class : Class 7

Ans 1:

AISHA from K.V.No.-1,A.F.S.,SEC.-14, GURUGRAM
Class : Class 10
A

Ans 2:

Bhavtosh Tripathi from Maneckji Cooper Education Trust School, Mumbai
Class : Class 9
It should be since there is less space in the tube p1 than tube p2

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Saarang roy from Indian school ghubra, Muscat
Subject :NSO    Class : Class 4

Ans 1:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
C

Ans 2:

ABHIRAJ from BKKG, CHAPRA, SARAN, CHAPRA
Class : Class 7
c

Ans 3:

saketh from VIBGYOUR HIGH ,BTM layout Bangalore, Bangalore
Class : Class 4
c

Ans 4:

Parth from BGS NPS, bangalore
Class : Class 4
RADDISH IS A ROOT!!!!

Ans 5: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

Edible part of radish is leaves and roots. So, P can be radish. Edible part of turnip is roots. So, Q can be turnip. Edible part of lotus is stem. So, R can be lotus. Edible part of broccoli is flower. So, S can be broccoli. Edible part of pumpkin is fruit. So, T can be pumpkin.


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Vikram from AVM, Mumbai
Subject :NSO    Class : Class 6

Ans 1:

arun from Delhi public School Dhuri , m
Class : Class 6
ooooops

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

S is the Ovary of the female reproductive part of the plant. But it’s the Stigma which first receives the pollen grains from anther. These pollens then travel down through the Style and reach the Ovary.


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