National Science Olympiad Forum By SOF Olympiad Trainer - Page 625
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khushi Joshi from Svkm , Mumbai
Subject :NSO    Class : Class 6

Ans 1:

Sevanthi. B. R from Saint Paul's English school, Bengaluru
Class : Class 6

Ans 2:

Ashwak from Cambridge, Jalandhar
Class : Class 9
D is the correct answer

Ans 3:

SOUVAGYA SAHA from De Nobili School, DHANBAD
Class : Class 10
c is the only correct ans because in a zinc carbon dry cell zinc container is the negative terminal of the cell and carbon is the positive terminal of the cell and we need a electrolyte to convert chemical energy into electrical energy i.e. ammonium chloride.

Ans 4:

SAI SHOURYA VARDHAN from T.I.M.E School, Hyderabad
Class : Class 7

Ans 5:

RUCHI from dps, Faridabad
Class : Class 7

Ans 6:

arin chaitanya from the shri ram school, New Delhi
Class : Class 9
the answer is c as (iii) is a carbon rod and only option c has that

Ans 7:

sudeep from DPS, Bangalore
Class : Class 8

Ans 8:

Prisha from DPS, Hyderabad
Class : Class 6
actually none of the answers are correct

Ans 9:

Rishab from OWS, New Delhi
Class : Class 7

Ans 10:

Rochishnu Ghosh Hazra from Techno India Group Public School -Bolpur , Bolpur
Class : Class 9
I COULD NOT UNDERSTAND ??

Ans 11:

KRITHYA GUPTA from LOTUS VALLEY INTERNATIONAL SCHOOL, NOIDA
Class : Class 7

Ans 12:

Dheer Pandey from Sentia The Global School, Hyderabad
Class : Class 10
D is the correct answer but I have no idea why is it C??

Ans 13:

Aarush Goyal from D.A.V Pblic school, Sector 14, Faridabad
Class : Class 6
yes

Ans 14:

Tamrashi Pani from National Public School, Bangalore
Class : Class 8
I think D is correct

Ans 15:

SUSHEELA KAMLENDRA from FLORENCE ACADEMY, BENGALURU
Class : Class 6

Ans 16:

Arsh from Lahs, Gwalior
Class : Class 3
ANS is D!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 17:

Satvik Pattanaik from GreenwoodHigh, bangalore
Class : Class 6

Ans 18:

Dheer Pandey from Sentia The Global School, Hyderabad
Class : Class 10

Ans 19:

Kashvi Rawat from Gear Innovative International School, Bengaluru
Class : Class 3
All answers are wrong - even 'D' and 'C'. 'C' would, however, be right if the line for '(ii)' was a little shorter.

Ans 20:

Doofal from Sanskriti School, Delhi
Class : Class 6
I was dumb enough to not read the order that is why I got it wrong.

Ans 21:

Sharanya from Holy Cross School Agartala, Agartala
Class : Class 7
ALL THE OPTIONS ARE WRONG , EVEN OPTION (C)

Ans 22:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 9
The labelling lines are very confusing

Ans 23:

SUSHEELA KAMLENDRA from FLORENCE ACADEMY, BENGALURU
Class : Class 6

Ans 24:

A S Neeraj from K V 2, Chennai
Class : Class 6
Actually, none of the answer is correct. IN option D they changed the order

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Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

Vedant Ghumare from North Point School, Dhule
Class : Class 8
B is the correct answer

Ans 2:

Chaitanya L K from SKCHEC, bangalore
Class : Class 8
B is the correct answer

Ans 3:

Aarush Goyal from D.A.V Pblic school, Sector 14, Faridabad
Class : Class 6
I think B is the correct answer

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Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

Amrik Pal from Kendriya Vidyalaya DRDO, Bangalore
Class : Class 6
d

Ans 2:

prabu sun from tagore, salem
Class : Class 7

Ans 3:

Aarush Goyal from D.A.V Pblic school, Sector 14, Faridabad
Class : Class 6
yes because h is sepal but for c option g is the ovule and that are the only tiny eggs

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Hiyansh Jain from Podar International School, Mumbai
Subject :NSO    Class : Class 5

Ans 1:

Aarnav Grover from Anand Niketan Shilaj, Ahmedabad
Class : Class 9
b easy

Ans 2:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is B because Iron rod does not break when hit and it can't be stretched, rubbber band does not break when hit but it can be stretched, ceramic tile breaks when hit but does not allow light to pass through, and spectacle lens break when hit and allow light to pass through.

Ans 3:

Pratham Dave from GNS, Bangalore
Class : Class 7
Yes AREEN , THE ANSWER IS B

Ans 4:

Pratham Dave from GNS, Bangalore
Class : Class 7
Yes AREEN , THE ANSWER IS B

Ans 5:

Aarush from Podar, Mumbai
Class : Class 10
the widow pane would be elastic

Ans 6:

Anirva Dhote from R J Chaware Convent, KARANJA
Class : Class 7
very very very easy answer is B

Ans 7:

VISHNU from NARAYANA OLYMPIAD GOPALAPURAM, chennai
Class : Class 5

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Dishen dharmenra patel from Anand niketan to the satellite , Ahmedabad
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

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

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Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

Deepesh Abhijeet Gurjar from Sulochana Natu Bharatiya Vidya Bhavan , Pune
Class : Class 9
Actually,water does not ''Precipitate'' to form clouds.As long as my memory tells me, water ''Condenses'' to form clouds.

Ans 2:

Naman from Svm, Nalasopara
Class : Class 6
a is write

Ans 3:

Aarush Goyal from D.A.V Pblic school, Sector 14, Faridabad
Class : Class 6
yes a is the correct answer

Ans 4:

Kushagra Kishore from Chrysalis High, Bengaluru
Class : Class 10

Ans 5:

Ryan Geo from Birla Public School, DOHA
Class : Class 7
As far as I know, raining (precipitating) does not yield clouds. condensation does.

Ans 6:

Deepesh Abhijeet Gurjar from Sulochana Natu Bharatiya Vidya Bhavan , Pune
Class : Class 9

Ans 7:

Snigdha swaminath from Christ nagar higher secondary school , Trivandrum
Class : Class 7
D is right too right

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Aarush Singh from The Study Lecole Internationale, Puducherry
Subject :NSO    Class : Class 5

Post Your Answer

Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

Aarush Goyal from D.A.V Pblic school, Sector 14, Faridabad
Class : Class 6
correct answer is B

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Chinmayi.D.S from Podar International School, Hassan
Subject :NSO    Class : Class 8

Ans 1:

karthik from , tirupur
Class : Class 8
Venus

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Nilanjana De from Delhi Public School North, Bengaluru
Subject :NSO    Class : Class 7

Ans 1:

Neil Pathak from GD Goenka Public School, Paschiim Vihar, New Delhi
Class : Class 9
wrong ques

Ans 2:

Pari Shiddam from PIS Powai, MUMBAI
Class : Class 8
Senseless question, wrong question and totally different solution. I am disappointed as there are many mistakes.

Ans 3:

Daksh from RKC, Rajkot
Class : Class 8

Ans 4:

Anusha from LBS School , Kota
Class : Class 10
Wrong question

Ans 5:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
this is wrong . all the options are wrong .

Ans 6:

PS Gour from Chirec international schoo The best 30 years and beyond, Hyderabad
Class : Class 7
this is wrong

Ans 7:

AANYA BARANWAL from KPS SCHOOL, bhilai
Class : Class 5
wrong question

Ans 8:

Anuraaj Salunkhe from St Gregorios High School, Mumbai
Class : Class 10
None of the options are correct.

Ans 9:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
Firstly, the image itself is totally different from that of the options. None of the options actually fit the image. So, either there should be a "None of these" option or there should be a different image in which at least one option fits. I ask SOF to kindly make the needed changes.

Ans 10:

Harsh Kakaria from The creek planet school, Hyderabad
Class : Class 8
it is completely wrong

Ans 11:

NIKHIL RANJAN from Litera Valley School, PATNA
Class : Class 7

Ans 12:

Mahadevan from KV Rubber Board Kottayam, Kottayam
Class : Class 9
yes wrong ques

Ans 13:

Arnav Nandan from ST PETERS COLLEGE AGRA, Agra
Class : Class 9
Wrong question. NICE

Ans 14:

Ahaan Pathak from Treamis World School, Bangalore
Class : Class 8
This question is absolutely wrong

Ans 15:

Anshuman D from MVM, Hyderabad
Class : Class 9
It is meaningless

Ans 16:

Aahana from St. Andrews School, Hyderabad
Class : Class 7
Wrong Question

Ans 17:

Pari Shiddam from PIS Powai, MUMBAI
Class : Class 8

Ans 18:

Kushal from Chirec, Hyderabad
Class : Class 7

Ans 19:

Adhrit from CHSV, Chennai
Class : Class 8
Completely wrong image in the question, it makes no sense

Ans 20:

yash kirpalani from st gregorios high school chembur, Mumbai
Class : Class 7
none of the options are correct.

Ans 21:

Koina Rautkar from DAV ispat sr sec public school , Dalli rajhara
Class : Class 7

Ans 22:

Ishan Patil from D.A.V. B.O.R.L. Public School ,Bina, Bina
Class : Class 9
Absolutely Right question matches with the image in question

Ans 23:

arnav raj sharma from gulibulium school, new york
Class : Class 8
THAT DOESN'T MAKES SENSE

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