National Science Olympiad Forum By SOF Olympiad Trainer - Page 696
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Agnimitra Gupta from south point school, Kolkata
Subject :NSO    Class : Class 4

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PRANEEL PRIYASH PANDA from AECS NARORA, BULANDSHAHR
Subject :NSO    Class : Class 6

Ans 1:

Manya Pujar from EuroSchool, Davangere
Class : Class 6
No, the answer is A as both steel and nickel are magnetic .

Ans 2:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 9
The question is not clear

Ans 3:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Yes the answer is C as iron nail , nickle and steel are magnetic

Ans 4:

AMAN SAIKIA from DELHI PUBLIC SCHOOL DULIIAJAN, DULIAJAN
Class : Class 9
In the first and second option, the magnetic materials are iron nail and steel nail respectively. In the third option all are non magnetic. In fourth option, both are magnetic materials. Therefore Ans:- A (i) and (ii)

Ans 5:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 9
But...Iron, nickel and copper r magnetic, and both steel and aluminium r non-magnetic. Then why option A is correct ans???

Ans 6:

Sharmi Chowdhury from G.D Birla Centre For Education , Kolkata
Class : Class 7
But in containers I

Ans 7:

Veda Dua from Delhi Public School, R. K. Puram, New Delhi
Class : Class 10
IT SHOULD BE A

Ans 8:

Sharmi Chowdhury from G.D Birla Centre For Education , Kolkata
Class : Class 7
But in containers i

Ans 9:

Agustya vaid from Somerville school vasundhara enclave, Delhi
Class : Class 7

Ans 10:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
c

Ans 11:

Naman from Svm, Nalasopara
Class : Class 6
the answer will be C as 3 option is non-magnetic

Ans 12:

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

Ans 13:

Anika Saha from New Town School, KOLKATA
Class : Class 6
C

Ans 14:

Harshita Sharma from Lilavatibai Podar High School, Mumbai
Class : Class 8

Ans 15:

Dushyant Singh from Shree Ram Centenial School, Indore
Class : Class 9
copper is non magnetic

Ans 16:

Aarav Gupta from Cambridge International School, Jalandhar
Class : Class 6
answer is c nickel coin is also a magnetic substance but steel is a non magnetic substance

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Krishiv Goyal from Ridge Valley School, Gurgaon
Subject :NSO    Class : Class 6

Ans 1:

SAMIKSHA PATIL from CITYPRIDE SCHOOL, CHINCHWAD
Class : Class 6

Ans 2:

khushi Joshi from Svkm , Mumbai
Class : Class 10

Ans 3:

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

Ans 4:

Adrija Pandey from SSRVM Bhugaon Pune, Pune
Class : Class 9
R-magnesium

Ans 5:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 9
Umm, SOF..... No, this time nothing is wrong in this question (bcz almost all times I post for wrong question ;P) but could you explain this a little better in the solution?

Ans 6:

Ronav Kerkar from Jamnabai Narsee School, Mumbai
Class : Class 7
because P is vitamin a and i think S is vitamin k

Ans 7:

Dhruv Babbar from Lotus valley international school Gurugram , Gurugram
Class : Class 7
what is L?

Ans 8:

Vedang Amonkar from Dr K B Hedgewar High School, Panaji
Class : Class 6
ummm intestine?

Ans 9:

Ashee Srivastava from APEEJAY SCHOOL NOIDA , NOIDA
Class : Class 7
gut means intestine and spasms means muscles suddenly contracting involuntarily.

Ans 10:

Ritabrata Das from OPJS, Angul
Class : Class 7
what is gut??????

Ans 11:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 9
The question has some error......Can anyone find it and declare? Please!!!!

Ans 12:

Priydarshini sehgal from The Shri ram school aravalli, Gurgaon
Class : Class 8
P- Vitamin AQ- Vitamin DR- IDKS- Vitamin K

Ans 13:

Mihika Hivarekar from Global Indian International School, Pune
Class : Class 7

Ans 14:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8

Ans 15:

Adrija Pandey from SSRVM Bhugaon Pune, Pune
Class : Class 9
P-vit a ,Q- vit d

Ans 16:

J Jeeva from BGS National Public School, Bengaluru
Class : Class 9
What is spasms????

Ans 17:

Souradeepto Das Mandal from Hyderabad Public School, Hyderabad
Class : Class 7
question not complete pls fix

Ans 18:

Shikhar Mallick from Holy Cross School, Agartala
Class : Class 7
Can someone please tell me what are the nutrients?

Ans 19:

Anika Saha from New Town School, KOLKATA
Class : Class 6
Q is Vitamin D.

Ans 20:

Dhruv Babbar from Lotus valley international school Gurugram , Gurugram
Class : Class 7
oh vitamin A

Ans 21:

Adrija Pandey from SSRVM Bhugaon Pune, Pune
Class : Class 9
S-vitamin K

Ans 22:

Anika from Vibgyor High Electronic City, Bangalore
Class : Class 7
Question is not complete...

Ans 23:

Shubhan from Euro School, Mumbai
Class : Class 5
answer is (d)

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Aarushi Batra from DPS north Banglore , Banglore
Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

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

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Aryan Sirohi from Mount LItera Zee School, Bangalore
Subject :NSO    Class : Class 5

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KISHORE KUMAR E from MAHARISHI INTERNATIONAL RESIDENTIAL SCHOOL, SUNGUVARCHATHIRAM
Subject :NSO    Class : Class 8

Ans 1:

Anushka Singh from Uttam Girls School, Ghaziabad
Class : Class 9
Melamine resits fire and firefighers also wear their suits made up of melamine.

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shweta from DAV, Nerul
Subject :NSO    Class : Class 1

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Annika from Apeejay School, Noida
Subject :NSO    Class : Class 9

Ans 1:

Karishma from KV mohanbari , Dibrugarh
Class : Class 9
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AMAN SAIKIA from DELHI PUBLIC SCHOOL DULIIAJAN, DULIAJAN
Subject :NSO    Class : Class 6

Ans 1:

Gauri Singh from St. John's School, Marhauli, Varanasi
Class : Class 10
answer is 3 /4th

Ans 2:

PRANEEL PRIYASH PANDA from AECS NARORA, BULANDSHAHR
Class : Class 6
It will A because earth got 75% of water and it is 3/4 of it.

Ans 3:

PRANEEL PRIYASH PANDA from AECS NARORA, BULANDSHAHR
Class : Class 6
It will A because earth got 75% of water and it is 3/4 of it.

Ans 4:

Annika from Apeejay School, Noida
Class : Class 10
3/4th

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Kavitharini Joseph from HUS, Chennai
Subject :NSO    Class : Class 4

Ans 1:

Aarav Gupta from TSRS Aravali, Gurugram
Class : Class 7

Ans 2:

Aarav Gupta from TSRS Aravali, Gurugram
Class : Class 7
d

Ans 3:

Akshitha from Dav, Chennai
Class : Class 6
B

Ans 4:

Uditangshu Mondal from The Heritage School, Rampurhat
Class : Class 6
b

Ans 5:

Goutham from lt, Chennai
Class : Class 4
D-Foxes eat deers so 1,2 AND 3 Hence correct answer is D

Ans 6:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
B because in the first statement,if the grass population will decrease,rabbit population will also decrease as the rabbit exclusively feeds on the grass population and wolf exclusively feeds on the rabbit population.In the second statement,if the tiger population will increase,the rabbit population will decrease as the tiger exclusively feeds on the rabbit population and wolf exclusively feeds on the rabbit population.In the third statement,if the deer population will decrease,the wolf population will decrease as wolf feeds on the deer population.In the fourth statement,if the rabbit population will increase,the wolf population will also increase as wolf feeds on the rabbit population.

Ans 7:

Ayaansh Singhal from Pinewood School, Saharanpur
Class : Class 8
D SHOULD BE THE ANWSER

Ans 8:

BV Karthikeya from Sentia, Hyderabad
Class : Class 6
b

Ans 9:

Aniket Nagane from Elpro International School Chinchwad, Pune
Class : Class 8
D is answer

Ans 10:

Rahul from Cambridge school, noida
Class : Class 4
WHY (B) it should be (A)ok!!GIVE EXPAINATION!!!!!!!!!PLS

Ans 11:

Sreejani Bhaduri from National Public School, Bangalore
Class : Class 10

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