National Science Olympiad Forum By SOF Olympiad Trainer - Page 496
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ARMAAN MITTAL from AMITY INTERNATIONAL SCHOOL, NOIDA
Subject :NSO    Class : Class 3

Ans 1:

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

Ans 2:

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

Ans 3:

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 4:

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

Ans 5:

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

Ans 6:

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

Ans 7:

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

Ans 8:

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

Ans 9:

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

Ans 10:

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

Ans 11:

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

Ans 12:

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

Ans 13:

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

Ans 14:

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

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

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

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 6:

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

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

Ans 1:

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 2:

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 3:

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

Ans 4:

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 5:

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

Ans 6:

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

Ans 7:

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

Ans 8:

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

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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:

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

Ans 3:

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

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:

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

Ans 3:

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

Ans 4:

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

Ans 5:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7

Ans 6:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7

Ans 7:

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

Ans 8:

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

Ans 9:

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

Ans 10:

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

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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 6
the correct option is C

Ans 2:

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

Ans 3:

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

Ans 4:

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 5:

AVANTIKA V from St.joseph of Cluny school , Puducherry
Class : Class 6
you are right

Ans 6:

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

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

Ans 1:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 7

Ans 2:

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.

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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:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

Aananya Singh from DPS East, Bangalore
Class : Class 4

Ans 6:

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

Ans 7:

Aananya Singh from DPS East, Bangalore
Class : Class 4

Ans 8:

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

Ans 9:

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

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