National Science Olympiad Forum By SOF Olympiad Trainer - Page 442
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Shuvangi Das from Vivekananda mission school, haldia
Subject :NSO    Class : Class 4

Ans 1:

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

Ans 2:

SAMRIDDHI from Chirec International School, Hyderabad
Class : Class 4

Ans 3:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 9
How can this be

Ans 4:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
ANSWER IS C

Ans 5:

SAMRIDDHI from Chirec International School, Hyderabad
Class : Class 4
easy

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Swastik from st marys school, new delhi
Subject :NSO    Class : Class 5

Ans 1:

Shruti Rajshree from NPS Indiranagar, Bengaluru
Class : Class 3
The Answer is Shop G, but even I had a confusion whether it was Shop G or Shop H.

Ans 2:

Ashee Srivastava from APEEJAY SCHOOL NOIDA , NOIDA
Class : Class 7
shouldn't it be H , as it is saying "her west"............

Ans 3:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is A because Prerna is facing towards the shop B and west means 90 degrees to her left.

Ans 4:

Ishaan singhal from CCWS, Jaipur
Class : Class 3
it was a confusing question as point g is an intermediate direction ( south - west )

Ans 5:

DEVAANGANA SARDAR from G.D. Birla Centre for Education, Kolkata
Class : Class 6
It’s not written shop bs direction acc to her

Ans 6:

FAIZAN HUSSAIN from SYED ABID HUSSAIN SR. SEC. CHOOL (MIDDLE SECTION), DELHI
Class : Class 4
Shop G

Ans 7:

Priyank Sagar Patra from Dav public school, Talcher
Class : Class 6
Pag

Ans 8:

DIPTANGSU PARBAT from SOUTH POINT HIGH SCHOOL, Kolkata
Class : Class 7
A

Ans 9:

Shourya Ganesh from The Green Acres Academy, Mumbai
Class : Class 9
it was a confusing question as point g is an intermediate direction ( south - west )The Answer is Shop G, but even I had a confusion whether it was Shop G or Shop H.Ans is A because Prerna is facing towards the shop B and west means 90 degrees to her left.

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Yashashree Somdatta Kulkarni from Delhi Public School, Nashik
Subject :NSO    Class : Class 5

Ans 1:

Yashashree Somdatta Kulkarni from Delhi Public School, Nashik
Class : Class 5
i understood

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

Ans 1:

VANSH GARG from DPSG, GHAZIABAD
Class : Class 4
c

Ans 2:

Ashwak from Cambridge, Jalandhar
Class : Class 8
C

Ans 3:

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

Ans 4:

Adersh from Apeejay, Nerul
Class : Class 4
C is incorrect, small intestine is not only for absorption, it also aids in digestion.

Ans 5:

Archit Borkar from SSVM World School, Coimbatore
Class : Class 8
yeah

Ans 6:

Adersh from Apeejay, Nerul
Class : Class 4

Ans 7:

Ashwak from Cambridge, Jalandhar
Class : Class 8
C

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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 3

Ans 1:

Tanvi kakade from M.S.M.English school malkapur, Malkapur 443101
Class : Class 3
b is correct answer

Ans 2:

mohit from ins, Pune
Class : Class 8

Ans 3:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 7
The correct answer is D because air can be compressed.

Ans 4:

Adersh from Apeejay, Nerul
Class : Class 4
Option D

Ans 5:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 7
The correct answer should be B, not D.

Ans 6:

Prithwanko Ghosh from Kendriya Vidyalaya IIT Kanpur, Kanpur
Class : Class 7
the correct answer is option (B)

Ans 7:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 7
How is the correct answer D.

Ans 8:

Aran Gupta from Shri Ram Centennial School, Dehradun
Class : Class 4
answer D is correct

Ans 9:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 7
D because air can be COMPRESSED! So, lots of air can fit in a tiny container too!

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Sargah Surya from bgsnps, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

student from school, city
Class : Class 10
The answer is ( d).

Ans 2:

Arsh Gupta from Cambridge International School, Jalandhar
Class : Class 4
Technically, the copper experiment will also work and although it will form a weak magnet, it will be a magnet nonetheless. The question prompt asks to identify the experiments which will work and that is both A and will be the correct options

Ans 3:

Naman from Svm, Nalasopara
Class : Class 6
how?????????

Ans 4:

RIYA D MARGHADE from TVS VELAMMAL VIDYALAYA PONNERI, CHENNAI, CHENNAI
Class : Class 6
iron is the correct answer as is will make the best electromagnet whereas steel is an alloy of iron and carbon.

Ans 5:

Kaustav Bhowal from Julien Day School, Kolkata
Class : Class 10
why!

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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 3

Ans 1:

Aatreyu from vpms, pune
Class : Class 6
B .

Ans 2:

Aarav Deshmukh from St FRANCIS XAVIER SCHOOL , KOLKATA
Class : Class 3

Ans 3:

Ashwak from Cambridge, Jalandhar
Class : Class 8
The answer is B.

Ans 4:

Amrit Anans from St Anthony, Gorakhpur
Class : Class 3
THE ANS IS B

Ans 5:

Suchir Dasgupta from Delhi Public School Newtown, Kolkata
Class : Class 4
Wronged

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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 3

Two containers X and Y, of the same size and thickness, contained 1000 mL and 600 mL of water, respectively. Both were heated over two separate flames till the water in them boiled.
If the water used in both containers took 10 minutes to reach boiling point, what conclusions can be made?
1. The flame used for container X is stronger than that used for container Y.
2. Container X is better conductor of heat than container Y.
3. The water in container X was colder than that in container Y at the beginning of the experiment.

A 1 only
B 2 only
C 1 and 2 only
D 1, 2 and 3


Ans 1:

Aatreyu from vpms, pune
Class : Class 6
C . (1and 2 only)

Ans 2:

Anaisha Niranjan from DPS Noida, Noida
Class : Class 4
Iamnot able to see the picture so i will not able to answer

Ans 3:

Rayansh Mishra from VIBGYOR HIGH, Pune
Class : Class 7

Ans 4:

Anaisha Niranjan from DPS Noida, Noida
Class : Class 4

Ans 5:

aabhaa from South City International School, kolkata
Class : Class 5

Ans 6:

Vartika kumar from D P S Newtown, Kolkata
Class : Class 8

Ans 7:

Yatindra G from SBOA, Chennai
Class : Class 4
idiots it's C!!!

Ans 8:

Anaahad Mehar Satsangi from Delhi Public School Agra, Agra
Class : Class 3
the correct answer will be c as if the water will be colder in x so it will boil more late

Ans 9:

Ram Rakshith from JHPS, Hyderabad
Class : Class 5
IT"s d

Ans 10:

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

Ans 11:

Aatreyu from vpms, pune
Class : Class 6
C . (1and 2 only)

Ans 12:

Aatreyu from vpms, pune
Class : Class 6
C . (1and 2 only)

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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 3

Two containers X and Y, of the same size and thickness, contained 1000 mL and 600 mL of water, respectively. Both were heated over two separate flames till the water in them boiled.
If the water used in both containers took 10 minutes to reach boiling point, what conclusions can be made?
1. The flame used for container X is stronger than that used for container Y.
2. Container X is better conductor of heat than container Y.
3. The water in container X was colder than that in container Y at the beginning of the experiment.

A 1 only
B 2 only
C 1 and 2 only
D 1, 2 and 3


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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 5

Ans 1:

sarah pranav gothivarekar from Indian School Al Gubra, Muscat
Class : Class 4

Ans 2:

Ashwak from Cambridge, Jalandhar
Class : Class 8
Biju Pappachan ... Whom do you address as Snow White ?

Ans 3:

Shraddha S Nair from Bright CBSE, Day school vasna, Vadodara
Class : Class 7
Sorry sorry the Mars will take more time who ever isReading my post

Ans 4:

Shraddha S Nair from Bright CBSE, Day school vasna, Vadodara
Class : Class 7
Answer is B . If we imagine that the planet X is mercuryAnd planet Y is Mars who will take more time it will be Mercury because it is near to the sun and will revoluteFaster than Mars

Ans 5:

RAMAYANI PAKHARE from S M SHETTY HIGH SCHOOL, MUMBAI
Class : Class 6
B

Ans 6:

Raksheet Shah from Swami Vivekanad International School, Mumbai
Class : Class 8
answer is B

Ans 7:

Biju Pappachan from Rkc , Raipur
Class : Class 1
Take no offence,Snow White.

Ans 8:

sankerths s from Shishya BELM public School, Bangalore
Class : Class 10

Ans 9:

Biju Pappachan from Rkc , Raipur
Class : Class 1
Hello Snow White!haha

Ans 10:

Ashwak from Cambridge, Jalandhar
Class : Class 8

Ans 11:

Pratham Dave from GNS, Bangalore
Class : Class 7
B is the answer to this question

Ans 12:

Ashee Srivastava from APEEJAY SCHOOL NOIDA , NOIDA
Class : Class 7
b

Ans 13:

Gayatri Iyer from Sanskriti School, Pune
Class : Class 6
Who is this Snow White, man!

Ans 14:

Biju Pappachan from Rkc , Raipur
Class : Class 1
Any ways,can anyone explain??

Ans 15:

Arnav Nandan from ST PETERS COLLEGE AGRA, Agra
Class : Class 8
B because it means ( here ) that orbit will be bigger as a planet is away from sun and, longer distance means long revolution

Ans 16:

Ujjwal Upadhyay from Navy Children school, Vasco
Class : Class 6
Answer is B.

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