National Science Olympiad Forum By SOF Olympiad Trainer - Page 515
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Shreetej from Pearson public school, Pune
Subject :NSO    Class : Class 5

Ans 1:

ahaladita jain from delhi public school agra, Agra
Class : Class 5
Answer is c because coal and petroleum can be finished but wind will never get finished

Ans 2:

SAMARTH GOYAL from DPS SANGRUR, SANGRUR
Class : Class 6
coal and petroleum are non renewable sourcesbut wind is made up of air and air contains so many gases .Therefore wind cannot be exhausted so wind is renewable resources

Ans 3:

Ishan sandip chaudhari from Divine Child International School, Ahmedabad
Class : Class 5

Ans 4:

Gayatri Iyer from Sanskriti School, Pune
Class : Class 9
It is C , guys....

Ans 5:

Pratham Dave from GNS, Bangalore
Class : Class 7
Answer is C.

Ans 6:

SANVI ROHILLA from The little shri, Rohtak
Class : Class 5
C

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Arnav kaul from Chirec, Hyderabad
Subject :NSO    Class : Class 5

Ans 1:

Agastya Tripathi from dps gurgaon, Gurgaon
Class : Class 4

Ans 2:

Ahaan Mittal from Primus Public School, Bengaluru
Class : Class 8

Ans 3:

Bandana from ,
Class : Class 5
person should bend forward...wrong answer

Ans 4:

Deveshi Sachdev from venkateshwar international school, New Delhi
Class : Class 6
person should bend head slightly forward to not let the blood go through 6he throat. Even book is saying that. Answer Cis very wrong

Ans 5:

Shaanvi from ,
Class : Class 5
wrong answer as the person should tilt his head sightly forward.

Ans 6:

Ahaan Mittal from Primus Public School, Bengaluru
Class : Class 8
In option c, the person must bend head forward to let blood darin out through nose and not down the throat. So option c is wrong.Also sitting is better than lying, as if nose is above heart that reduces the pressure, so option C is terribly wrong

Ans 7:

SUARGHYA CHATTERJEE from INDIA INTERNATIONAL SCHOOL, asansol
Class : Class 5

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Daksha Neill from Somerville school, Delhi
Subject :NSO    Class : Class 3

Ans 1:

Arpit Sahoo from SAI International School, Bhubaneswar
Class : Class 7
B

Ans 2:

ANSHUL GAJJAR from PODAR INTERNATIONAL SCHOOL, AHMEDABAD
Class : Class 3
B

Ans 3:

Meghatyoya from Adamas World School , Barasat
Class : Class 3
A

Ans 4:

Daksha Neill from Somerville school, Delhi
Class : Class 7

Ans 5:

ANSHUL GAJJAR from PODAR INTERNATIONAL SCHOOL, AHMEDABAD
Class : Class 3
B

Ans 6:

IKSHITA BARMAN from MVM-IV, Barsajai, GUWAHATI
Class : Class 9
C

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Arnav kaul from Chirec, Hyderabad
Subject :NSO    Class : Class 5

Ans 1:

Ritabrata Das from OPJS, Angul
Class : Class 7

Ans 2:

Mridul Jain from Shishukunj International School Indore, Indore
Class : Class 9
I think the relationship is ( Kharif Crop: Kharif Crop ). Then, option A cannot be correct as Barley is a Rabi crop while Maize is a Kharif crop.

Ans 3:

Prisha Shah from Euroschool Airoli, Mumbai
Class : Class 6
The relationship is Rabi:Kharif

Ans 4:

Vihaan from Father Agnel, Noida
Class : Class 5
The relationship is Rabi crop: kharif crop.

Ans 5:

Kashvi Rawat from Gear Innovative International School, Bengaluru
Class : Class 3
The answer is correct. The relation is rabi : kharif .

Ans 6:

Avani from NPS International singapore, singapore
Class : Class 6
A is correct . Check on google

Ans 7:

Shourya Ganesh from The Green Acres Academy, Mumbai
Class : Class 9
I think the relationship is Kharif Crop: Kharif Crop. Then, option A cannot be correct as Barley is a Rabi crop while Maize is a Kharif crop.

Ans 8:

from kalyan, Kalyan
Class : Class 6

Ans 9:

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

Ans 10:

Avani from NPS International singapore, singapore
Class : Class 6

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ARMAAN MITTAL from AMITY INTERNATIONAL SCHOOL, NOIDA
Subject :NSO    Class : Class 3

Ans 1:

Nishtha Mishra from bal bharti public school, new delhi
Class : Class 2
both B and D are incorrect

Ans 2:

Nishant Hazarika from Air Force School, Dibrugarh
Class : Class 3
D is incorrect.But B is also incorrect as both kerosene and syrup are liquid.

Ans 3:

AYUSHMAN from St Marys Convent Sr Sec School Jaipur, JAIPUR
Class : Class 6

Ans 4:

ANSHUL GAJJAR from PODAR INTERNATIONAL SCHOOL, AHMEDABAD
Class : Class 3
B & D

Ans 5:

Saptanshu Adhikary from Gopalan National School, Bangalore
Class : Class 3
B and D are incorrect

Ans 6:

Alisha from Delhi Public School , bopal, Ahemdabad
Class : Class 8
why did not you send right answer clarification or correct options

Ans 7:

Archit Borkar from SSVM World School, Coimbatore
Class : Class 9
B and D both are incorrect.

Ans 8:

Dhruv Sachdev from Bhavan Vidyalaya, chandigarh
Class : Class 8
B

Ans 9:

Dyuti Ghosh from Mount Litera Zee School , JAJPUR ROAD
Class : Class 3

Ans 10:

IKSHITA BARMAN from MVM-IV, Barsajai, GUWAHATI
Class : Class 9
B & D

Ans 11:

Pranaya Pathania from Ralli International School , Indirapuram
Class : Class 6
Syrup is not a gas.

Ans 12:

saisavit from sri kumaran ps, bangalore
Class : Class 8
both B

Ans 13:

ANSHUL GAJJAR from PODAR INTERNATIONAL SCHOOL, AHMEDABAD
Class : Class 3
B & D

Ans 14:

Kavya Kaskar from Arya Vidya Mandir- Juhu, MUMBAI
Class : Class 5
B

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ARMAAN MITTAL from AMITY INTERNATIONAL SCHOOL, NOIDA
Subject :NSO    Class : Class 3

Ans 1:

ANSHUL GAJJAR from PODAR INTERNATIONAL SCHOOL, AHMEDABAD
Class : Class 3
A

Ans 2:

IKSHITA BARMAN from MVM-IV, Barsajai, GUWAHATI
Class : Class 9
A

Ans 3:

Saathvik Sriram from euroschool whitefield, Bangalore
Class : Class 5
answer is A not B

Ans 4:

Akhil Vasanth from VIDYA MANDIR SENIOR SECONDARY SCHOOL CHENNAI TAMIL NADU, Chennai
Class : Class 2
Crecent to Newmoon to Crecent to Full Moon. Answer is A

Ans 5:

Sourish Mahakul from Delhi Public School Electronic City, Bengaluru
Class : Class 8
Answer is A

Ans 6:

Alina Chattopadhyay from Tagore International School, Vasant Vihar, New Delhi, South Delhi
Class : Class 6
Huh i got it wrong . it was v easy

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rocker harshil from TImpany senior secondary school, Visakhapatnam
Subject :NSO    Class : Class 6

Ans 1:

Ayansh Mallick from Birla Open Minds, Hyderabad
Class : Class 7
guys isnt the iron nail not magnetic it shouldn't" have poles in the first place its like saying a coin is a magnet

Ans 2:

Sharmi Chowdhury from G.D Birla Centre For Education , Kolkata
Class : Class 7
Isn't a ten-cent coin also magnetic?

Ans 3:

ATHARV RAHUL MAHAJAN from ST. STEPHENS SCHOOL CHANDIGARH, SAS NAGAR
Class : Class 6
Steel is not a magnetic material

Ans 4:

Tamrashi Pani from National Public School, Bangalore
Class : Class 8
Yes it is... yet a steel ball bearing is the best option

Ans 5:

Mihika Raut from ST JOSEPHS SCHOOL, RIHAND NAGAR
Class : Class 8
steel ball bearing is a conducter that is why it is able to drag the box with it.

Ans 6:

Ayush Chauhan from Modern Public School, Bhiwadi
Class : Class 9

Ans 7:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 9
Ya Sharmi is correct, ten-cent coin is also always magnetic

Ans 8:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Yes steel ball bearing is the best option ....... but i think ten cent coin is also magnetic ... but let it be option A {STEEL BALL BEARING}

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rocker harshil from TImpany senior secondary school, Visakhapatnam
Subject :NSO    Class : Class 6

Ans 1:

Tamrashi Pani from National Public School, Bangalore
Class : Class 8
C is correct

Ans 2:

rocker harshil from TImpany senior secondary school, Visakhapatnam
Class : Class 6
the ans should be (C) as the like poles repel each other

Ans 3:

Abhijato Chatterjee from Bharatiya Vidya Bhavan, Kolkata, kOLKATA
Class : Class 6

Ans 4:

Devansh pralhad patil from Nirmal international school pachora, Pachora
Class : Class 6
NO,LIKE POLES DO REPEL EACH OTHER,WHILE THEY DO NOT REPEL UNLIKE POLES ATTRACT EACH OTHER

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Harsh Kedawat from Apeejay, Noida
Subject :NSO    Class : Class 6

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Payal Porwal from St John gola, Gola
Subject :NSO    Class : Class 4

Ans 1:

adhiraj chaudhary from apeejay school noida, noida
Class : Class 3
C:linen

Ans 2:

Preesha Shrivastav from Suncity school, Gurgaon
Class : Class 4
Linen as it comes from flax plant stem

Ans 3:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7

Ans 4:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5
c;linen

Ans 5:

Kanav Dhingra from DPS sec45, Gurgaon
Class : Class 10
C:linen

Ans 6:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7

Ans 7:

Aarav Mittal from MMIS, Mullana, Ambala
Class : Class 5

Ans 8:

Abhinav from The Orchids international school, Bangalore
Class : Class 4
C. LINEN

Ans 9:

Aarav Mittal from MMIS, Mullana, Ambala
Class : Class 5
thanks for writing

Ans 10:

Archita Moi from The Newtown School, Kolkata
Class : Class 4
Thanks a lot!

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