National Science Olympiad Forum By SOF Olympiad Trainer - Page 481
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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
Yes it is... yet a steel ball bearing is the best option

Ans 2:

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 3:

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

Ans 4:

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

Ans 5:

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

Ans 6:

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}

Ans 7:

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 8:

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

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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:

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

Ans 3:

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

Ans 4:

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

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7

Ans 6:

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

Ans 7:

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

Ans 8:

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

Ans 9:

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

Ans 10:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7

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Mohammad Ayaan from Delhi Public School Ghaziabad, Ghaziabad
Subject :NSO    Class : Class 4

Ans 1:

Deveshi Sachdev from venkateshwar international school, New Delhi
Class : Class 5
the correct option is C

Ans 2:

Sushree snehasikta behera from Mother's public school , Bhubaneswar
Class : Class 2
Answer C is the correct answer as incisors which are present in front most teeth help to bite the food. canines are present just after incisors and help to tear the food. premolars are present just after canines which help to crush the food. molars are present at the last which help us chew and grind the food.

Ans 3:

Nishka Agarwal from NMAJS Mumbai, Mumbai
Class : Class 4
C

Ans 4:

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

Ans 5:

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

Ans 6:

AVANTIKA V from Amrita Vidyalayam Puducherry , Puducherry
Class : Class 4
you are right

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Shrikarthick from CS ACADEMY, ERODE
Subject :NSO    Class : Class 8

Ans 1:

from Bhandari Public School, KHANDWA
Class : Class 9
I don't understand the ANSWER as it also helps in mixing the nutrients uniformly in the soil.

Ans 2:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 7

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Devansh from asn senior secondary school, delhi
Subject :NSO    Class : Class 3

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shreyash rawat from podar international school, pune
Subject :NSO    Class : Class 4

Ans 1:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Kanav , if you know the answer then why have you posted it on the forum ?

Ans 2:

Harshit from Montfort , Delhi
Class : Class 7
is is b how

Ans 3:

Aananya Singh from DPS East, Bangalore
Class : Class 4

Ans 4:

Riddhima Pandey from Chinmaya Vidyalaya, Bokaro Steel City
Class : Class 3

Ans 5:

Kavin from ISG , Muscat, Muscat
Class : Class 5
white you are rude for sure and it IS b

Ans 6:

Vidit Dubey from Gundecha Education Academy, Mumbai
Class : Class 7

Ans 7:

Khanak Jha from Prime Academy, Mumbai
Class : Class 4
how do you know that Kavan knows the correct answer

Ans 8:

Kanav Dhingra from DPS sec45, Gurgaon
Class : Class 10
option B

Ans 9:

Aananya Singh from DPS East, Bangalore
Class : Class 4

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Anuj Sandesh Kanekar from Shrimant Maisaheb Bavadekar Academy, Kolhapur
Subject :NSO    Class : Class 6

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Pragun goel from Venkateshwar International School, Delhi
Subject :NSO    Class : Class 5

Ans 1:

Riya Gupta from Birla Divya Jyoti, Siliguri
Class : Class 8
OPTION OF ANSWERS ARE WRONG. SIMMI AND SAMRAT HAVE MADE WRONG STATEMENT

Ans 2:

Kashvi Rawat from Gear Innovative International School, Bengaluru
Class : Class 3
Answer is wrong, Souvik is saying 'avoid' while the answer is giving a different explanation .All Samrak, Souvik and Shivani are wrong.

Ans 3:

ADRIJA SAHA from DPS RANIPUR, Haridwar
Class : Class 6
I think answer is wrong. Shivani is also right. Using a tourniquet prevents the poisoned blood from reaching the heart.

Ans 4:

Rajrupa and Aparupa from Oxford cbse, bangalore
Class : Class 5
answer is wrong it should be c

Ans 5:

Hari Govind from Delhi Public School Chandigarh , Chandigarh
Class : Class 6
answer is wrong because if we apply tourniquet it may damage the nerves. the poison will remain its place but it may kill all the cells there

Ans 6:

Reyansh Arora from The ShriRam Millenium, Noida
Class : Class 5

Ans 7:

RISHABH SAHOO from DAV PUBLIC SCHOOL UNIT 8 BHUBANESWAR, BHUBANESWAR
Class : Class 7
Answer is wrong

Ans 8:

Prerona Chatterjee from Delhi Public School North Kolkata, Kolkata
Class : Class 5
answer is ok.

Ans 9:

harry potter from Hogwarts school of witchcraft and wizardry , london
Class : Class 5
souvik is saying 'avoid giving water to the person in case of poisoning so the poison does not spread in the body. and tying torniquet just above the wound will spread the poison more. so, the answer should be C

Ans 10:

Prisha Shah from Euroschool Airoli, Mumbai
Class : Class 6
the options are wrong...... even the explaination is wrong

Ans 11:

Kanishk Mukherjee from BDM International, Kolkata
Class : Class 6
I think answer is wrong , use of tourniquet was preferred method until few years ago , it has been found it can damage blood flow and nerves

Ans 12:

Bhavya Agrawal from Cambridge Court High School , JAIPUR
Class : Class 8

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