National Science Olympiad Forum By SOF Olympiad Trainer - Page 637
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AARNA Kapse from The swaminarayan school, Nagpur
Subject :NSO    Class : Class 2

Ans 1:

adwik asutosh mallick from DONBOSCO, KOLKATA
Class : Class 7
D

Ans 2:

Devansh Agrawal from GEMS Modern Academy, Dubai
Class : Class 4
D

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
Woollen fibres entrap air to keep us warm and burn with the smell of burning hair because they are made from hair of animals like sheep, etc.

Ans 4:

anu from Haralur, Bengaluru
Class : Class 5
D = woollend

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Shreyas Bibhuty from D A V Public school thane, Mumbai
Subject :NSO    Class : Class 9

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Sarim raza from St Xavier, Hzaribagh Jharkhand
Subject :NSO    Class : Class 6

Ans 1:

Sarim raza from St Xavier, Hzaribagh Jharkhand
Class : Class 6
Answer is A. Walnut is rich in Omega 3 because it help us to develop our brain espically kids.

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aryan vir from lotusvalley international school gurugram, Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

Sujal Kumar from Dav public school barhi, ranchi
Class : Class 7
Ans=y Because the small intestine help to more digested

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aryan vir from lotusvalley international school gurugram, Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Class : Class 8

Ans 2:

Himanish Basu from Army Public School Kamaraj Road, Bangalore
Class : Class 7

Ans 3:

Adish Gupta from Podar international school , Mumbai
Class : Class 7

Ans 4:

ansh rai from delhi public school, Bhilai
Class : Class 4
Option a is correct but disaccharides aren’t enzymes

Ans 5:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
answer A is correct

Ans 6:

Anidhya from St.Mary's Convent School , Ghaziabad
Class : Class 7

Ans 7:

Adish Gupta from Podar international school , Mumbai
Class : Class 7

Ans 8:

Bhargav from City Pride School, Nigdi
Class : Class 7
Option a is correct

Ans 9:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option a

Ans 10:

sukdidi12 from loreto day school elliot road , kolkata
Class : Class 5
Option A

Ans 11:

Devavrat Sharma from Podar International School Powai, Mumbai
Class : Class 7

Ans 12:

Shaurya from Mris 51 Gurugram, Gurugram
Class : Class 7

Ans 13:

Adish Gupta from Podar international school , Mumbai
Class : Class 7

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aryan vir from lotusvalley international school gurugram, Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option d

Ans 2:

Ronav Kerkar from Jamnabai Narsee School, Mumbai
Class : Class 7
why not d

Ans 3:

Abhiroop Batabyal from Kennedy High the global school, Hyderabad
Class : Class 8
Option D : (ii), (i), (iv), (iii), (v)

Ans 4:

Hritvi from Podar International School, Mumbai
Class : Class 7
Correct Answer- D

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aryan vir from lotusvalley international school gurugram, Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

somesh from Centre point katol road, Nagpur
Class : Class 6

Ans 2:

Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Class : Class 10

Ans 3:

Thomas from ,
Class : Class 7
Explain please

Ans 4:

Harshit from Montfort , Delhi
Class : Class 7
what the heck

Ans 5:

Devavrat Sharma from Podar International School Powai, Mumbai
Class : Class 7
explaination please

Ans 6:

shaurya aggarwal from scholars rosary senior secondary school, rohtak
Class : Class 9
difficult

Ans 7:

Shreyansh Gupta from MVN, faridabad
Class : Class 7

Ans 8:

somesh from Centre point katol road, Nagpur
Class : Class 6
Ans should be a

Ans 9:

TEJASWANI from TIME SCHOOL, HYDERABAD
Class : Class 7
stupid

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aryan vir from lotusvalley international school gurugram, Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

Hprakash09 from Billabong high Bhopal, Bhopal
Class : Class 7
the answer is (A) and not (D)

Ans 2:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9
The answer should be 'B'

Ans 3:

Aarushi Chaubey from Teoler High School, Jaipur
Class : Class 8
the answer (a) not (d)

Ans 4:

Sargah Surya from bgsnps, Bengaluru
Class : Class 4
They have asked incorrect. Even I went wrong here

Ans 5:

Shubhangi Pathak from Lilavatibai Podar High School, Mumbai
Class : Class 8
Guys, the question says to find the incorrect option not correct one!

Ans 6:

ansh rai from delhi public school, Bhilai
Class : Class 4
Answer is a not d

Ans 7:

Bhavtosh Tripathi from Maneckji Cooper Education Trust School, Mumbai
Class : Class 9
The answer is A and not D since the terminals of the battery are not connected in a proper way.

Ans 8:

Vihaan Agrawal from Lotus Valley International School, Gurgaon
Class : Class 7
it can also be B

Ans 9:

Midhuna from ABCD, Banglore
Class : Class 3
find incorrect option not correct

Ans 10:

Basundhara Ghosh from Birla High School Mukundapur , Kolkata
Class : Class 7
Answer is B not D

Ans 11:

IAMLOST from ABC, Pune
Class : Class 8

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Swarnavo from Reso, Kota
Subject :NSO    Class : Class 7

Ans 1:

Bhumi Chheda from SVKM J V Parekh International School, Mumbai
Class : Class 9
i am not sure if it is A or C

Ans 2:

Soumyajit Roy from Delhi Public School Jamnagar, Jamnagar
Class : Class 9

Ans 3:

Anagha s Karnis from vijaya vittala vidyashala, MYSORE
Class : Class 8
Option c is the correct answer, because if at all any cold material is stored in the flask, then the liquid becomes hot due to the heat of the sun. Hence it is used to reflect the radiation from the sun

Ans 4:

Hritvi from Podar International School, Mumbai
Class : Class 7
Option C is the correct answer as the silvered walls of the thermo flask helps the liquid to sustain its form by reflecting the heat by Radiation (Heat that does not need any medium to travel unlike conduction and convection.)

Ans 5:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option c

Ans 6:

Kartik Saxena from Mercy Memorial School, Kanpur
Class : Class 7
A is the correct answer

Ans 7:

Kartik Saxena from Mercy Memorial School, Kanpur
Class : Class 7
A

Ans 8:

AISHA from K.V.No.-1,A.F.S.,SEC.-14, GURUGRAM
Class : Class 10
OPTION C IS CORRECT ANSWER.

Ans 9:

shashwat pandey from Doon International School Dalanwala, Dehradun
Class : Class 8
In my opinoin A is corrcect beacuse silvered wall is a solid thing and solid thing get's heat through the process of conduction.

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Avinash Mishra from Central Hindu School, Gorakhpur
Subject :NSO    Class : Class 10

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