National Science Olympiad Forum By SOF Olympiad Trainer - Page 646
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OISHIK KUNDU from Delhi Public school North kolkata, baranagar
Subject :NSO    Class : Class 4

Ans 1:

Vidhya M from Vibgyor High Bannerghatta, Bangalore
Class : Class 7
I think that the picture is not clear with what is asked. I don't understand what is hanging from the hand. And everything responds to gravity .

Ans 2:

Navneeth Reejish from Yuvabharati International school, Singapore
Class : Class 7

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Sarah fatima from St Arnold's central school, Pune
Subject :NSO    Class : Class 7

Ans 1:

Sarah fatima from St Arnold's central school, Pune
Class : Class 7
Concave

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Arnav Bhardwaj from Indirapuram Public School, Ghaziabad
Subject :NSO    Class : Class 7

Ans 1:

Arnav Bhardwaj from Indirapuram Public School, Ghaziabad
Class : Class 10
adenosine triphosphate the energy currency

Ans 2:

Arnav Bhardwaj from Indirapuram Public School, Ghaziabad
Class : Class 10
adenosine triphosphate the energy currency

Ans 3:

Arnav Bhardwaj from Indirapuram Public School, Ghaziabad
Class : Class 10
in question it energy not breathing

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Mayank Gupta from Kulachi Hansraj Model School, New Delhi
Subject :NSO    Class : Class 7

Ans 1:

VISHNU T M from b, Bengaluru
Class : Class 9

Ans 2:

VISHNU T M from b, Bengaluru
Class : Class 9

Ans 3:

Aditya Sai Vemparala from Amanora school, Pune
Class : Class 10
D

Ans 4:

VISHNU T M from b, Bengaluru
Class : Class 9

Ans 5:

VISHNU T M from b, Bengaluru
Class : Class 9
The correct answer is obviously option c.

Ans 6:

Shravan from Harvest International School , Bangalore
Class : Class 9
I think I can explain this. We know it has to be a metal bowl so that it conducts the heat from the milk. Now, if we have a thinner bowl, the conducted heat can be transferred to the air faster and more efficiently. That's why I think the answer is c and not d.

Ans 7:

Soumyajit Roy from Delhi Public School Jamnagar, Jamnagar
Class : Class 9
Admin from revisewise how?

Ans 8:

Aditya Sai Vemparala from Amanora school, Pune
Class : Class 10
D but in level 2 same question ans given as c

Ans 9: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is D.

Ans 10:

Aarush chakraborty from Jss pvt, Dubai
Class : Class 8

Ans 11:

VISHNU T M from b, Bengaluru
Class : Class 9

Ans 12:

Aditya Sai Vemparala from Amanora school, Pune
Class : Class 10
I mean c was wrong

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Mayank Gupta from Kulachi Hansraj Model School, New Delhi
Subject :NSO    Class : Class 7

Ans 1:

Mayank Gupta from Kulachi Hansraj Model School, New Delhi
Class : Class 8

Ans 2:

Anurag peddi from Niraj International School, Hyderabad
Class : Class 9
It is C

Ans 3:

urvi kanhere from sinhgad springdel, pune
Class : Class 7
B

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Mayank Gupta from Kulachi Hansraj Model School, New Delhi
Subject :NSO    Class : Class 7

Ans 1:

Tejashree Colvalcar from Sharda Mandir School, PANAJI GOA
Class : Class 7
two what about "s , s"

Ans 2:

manya mehta from apeejay school, delhi
Class : Class 7
how I also want to know

Ans 3:

Anwesha from DAV public school , Pune
Class : Class 8
how

Ans 4:

khushi Joshi from Svkm , Mumbai
Class : Class 10
How?

Ans 5: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is B.

Ans 6:

Adhrit from CHSV, Chennai
Class : Class 8
What about S, S and Y, A (Y, Z, A; you have to go backward)?

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Anushi Pandey from St xaviers High School, Gurugram
Subject :NSO    Class : Class 5

Ans 1:

Preeti tanwar from DON BOSCO ACADEMY, Patna
Class : Class 9
a

Ans 2:

anita from Manan Vidya Ranchi, Ranchi
Class : Class 4
A

Ans 3:

from Delhi Public School Noida, GHAZIABAD
Class : Class 6

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Mayank Gupta from Kulachi Hansraj Model School, New Delhi
Subject :NSO    Class : Class 7

Ans 1:

Arnav Bhardwaj from Indirapuram Public School, Ghaziabad
Class : Class 10
d.heat gets transferred from hot part of a body to cold part

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SRIJA SRINIVASAN PAKU from KENDRIYA VIDHYALAYA ASHOK NAGAR, Chennai
Subject :NSO    Class : Class 4

Ans 1:

Shruti Rajshree from NPS Indiranagar, Bengaluru
Class : Class 3
its option B

Ans 2:

Kriti Bhonsale from Delhi Public School, Bengaluru
Class : Class 5
b is correct

Ans 3:

ANAY GUPTA from CMS KANPUR ROAD LUCKNOW, LUCKNOW
Class : Class 8
bis the right answer you mad sof

Ans 4:

srijita sen from B.J.E.M school, Bhubaneswar
Class : Class 6
The answer is B

Ans 5:

shreyash rawat from podar international school, pune
Class : Class 8
B

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Mayank Gupta from Kulachi Hansraj Model School, New Delhi
Subject :NSO    Class : Class 7

Observe the given figure carefully and choose the correct option for matching the column I with column II.

Column I    Column II
(A)X (i) The process of transfer of heat in a liquid or a gas by the movement of liquid or gas.
(B)Y (ii) The flow of heat through a substance without the movement of the substance itself.
(C)Z (iii) The process by which heat travels without the help of material medium.


A (A)-(iii), (B)-(i), (C)-(ii)
B (A)-(ii), (B)-(iii), (C)-(i)
C (A)-(i), (B)-(ii), (C)-(iii)
D (A)-(ii), (B)-(i), (C)-(iii)


Ans 1:

Midhuna from ABCD, Banglore
Class : Class 3
plz correct your answer

Ans 2:

Rithvik from BVM Global, Chennai
Class : Class 8
yeah ans is a

Ans 3:

thechampiondaksh from K R Mangalam World School, New Delhi
Class : Class 8
i think the answer is A as the process X is of radiation and process Y is convection and process Z is conduction . a medium is not required in radiation . convection takes place in fluids . that is why i think the answer is option A

Ans 4:

thechampiondaksh from K R Mangalam World School, New Delhi
Class : Class 8
i think the answer is A as the process X is of radiation and process Y is convection and process Z is conduction . a medium is not required in radiation . convection takes place in fluids . that is why i think the answer is option A

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