National Science Olympiad Forum By SOF Olympiad Trainer - Page 426
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Arkodyuti Maiti from KDAV, Jamnagar
Subject :NSO    Class : Class 7

Ans 1:

Sara Kashyap from Vista International, HYDERABAD
Class : Class 7
yes..... even i think the question isnt framed properly.... we use both types of wool for different things as Priyanshu said

Ans 2:

SANVI from D PS VADODARA, Vadodara
Class : Class 9
when I opened the question paper ,questions from 29 to 31 were not visible

Ans 3:

PRIYANSHU DEB from New Green Field School, Saket, New Delhi
Class : Class 7
yes both i and ii since undercoat is for socks, high quality...etc. but outer is for coarse carpets...etc

Ans 4:

Sargah Surya from bgsnps, Bengaluru
Class : Class 4
both types of hair are used based on their function. They must specify for what. This question is not proper

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S Nithyanth from Geethanjali Vidyalaya, Bangalore
Subject :NSO    Class : Class 4

Ans 1:

UMANG from SPRING DALE COLLAGE, Lucknow
Class : Class 8
Option C is correct

Ans 2:

Apoorva Gaurav from DAV, Muzaffarpur
Class : Class 5
Option c is correct.

Ans 3:

UMANG from SPRING DALE COLLAGE, Lucknow
Class : Class 8
Option C is correct

Ans 4:

S Nithyanth from Geethanjali Vidyalaya, Bangalore
Class : Class 6

Ans 5:

S Nithyanth from Geethanjali Vidyalaya, Bangalore
Class : Class 6

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Gauri Singh from St Johns School Marhauli, Varanasi
Subject :NSO    Class : Class 6

Ans 1:

SHREYAS ANANDHAN from Phoenix Greens International School, Hyderabad
Class : Class 6

Ans 2:

Krishiv Gupta from Sat Paul Mittal School, Ludhiana
Class : Class 6
Why is everyone writing there class

Ans 3:

Nirbhay from Podar International School, mysore
Class : Class 6
this was sent in 2025

Ans 4:

Nirbhay from Podar International School, mysore
Class : Class 6
class:

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Bitan Chakraborty from Adamas international school, Kolkata
Subject :NSO    Class : Class 4

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Agastya Tripathi from dps gurgaon, Gurgaon
Subject :NSO    Class : Class 5

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akshaj das from NARAYANA E TECHNO kaggdaspura, Bengaluru
Subject :NSO    Class : Class 5

Ans 1:

UMANG from spring dale college, Lucknow
Class : Class 7
Answer is C because tornado is very fast rotating wind which look like funnel

Ans 2:

UMANG from spring dale college, Lucknow
Class : Class 7
Answer is C because tornado is very fast rotating wind which look like funnel

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Shivam Gupta from Army Public School, Noida
Subject :NSO    Class : Class 5

Ans 1:

Aadya Dholaria from Elpro International School, Pune
Class : Class 5
There is a layer above the substance in 2nd beaker and the water is not looking clear

Ans 2:

Rajrupa and Aparupa from Oxford cbse, bangalore
Class : Class 5
there are more than 5 food chains

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Divam Khera from HansRaj Model School, New Delhi
Subject :NSO    Class : Class 4

Ans 1:

Devyani bansal from Blue bell school international, New Delhi
Class : Class 5

Ans 2:

adhrit srivastava from sanskriti , pune
Class : Class 4

Ans 3:

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

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aditya apurva from DAV public School, Duttnagar
Subject :NSO    Class : Class 9

Ans 1:

ANUSTUP DE from AVA, ARAMBAGH
Class : Class 9
yes, it will be region I

Ans 2:

krish Singla from DELHI PUBLIC SCHOOL, BATHINDA
Class : Class 9

Ans 3:

Ankur Kumar from Delhi Public School, Ranchi
Class : Class 9
Option is the correct answer as I is the region of compression or maximum density so it experiences maximum pressure.

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Kushal from Chirec, Hyderabad
Subject :NSO    Class : Class 6

Ans 1:

Sourish from viraj, Boisar
Class : Class 6
Elbow joint shows 90 degree hence only option a and c

Ans 2:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
option D is right.

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