National Science Olympiad Forum By SOF Olympiad Trainer - Page 397
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Lakshmi from FPS, Bangalore
Subject :NSO    Class : Class 6

Ans 1:

Pratheek from Null, Null
Class : Class 4
I think it is option c as both the water and ice are at 0 degree centigrade.

Ans 2:

Arvind Jena from Euroschool, Pune
Class : Class 6
what about latent heat of fusion

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Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Subject :NSO    Class : Class 4

Ans 1:

Sai Natesh Bysani from GLOBAL INDIAN INTERNATIONAL SCHOOL, Bengaluru
Class : Class 5

Ans 2:

Anjishnu Kamboj from ST.XAVIER SEC SE CO ed Bhopal, BHOPAL
Class : Class 5

Ans 3:

Manan thorat from Podar powai, Mumbai
Class : Class 4
The answer is B its not A because all potatoes are roots so Sweet Potato is a root so the answer is A.

Ans 4:

Shreyansh Saha from Dps Megacity, Kolkata
Class : Class 5
Option b

Ans 5:

Avighna Shastri from doha modern indian school, doha
Class : Class 2
This question is kind of confusing for me

Ans 6:

Daksh Chanani from Sri Sri academy, Kolkata
Class : Class 7
ACCORDING TO ME THE CORRECT ANSWER IS A

Ans 7:

AARAV AGRAWAL from BIRLA DIVYA JYOTI, SILIGURI
Class : Class 8
ans-B

Ans 8:

Vedika from dps noida SEC-30, noida
Class : Class 4

Ans 9:

Sovan from Salt lake ca, Kolkata
Class : Class 4
The correct answer is option ( B )

Ans 10:

UMA Subramanian from Global Indian International School, Singapore
Class : Class 7

Ans 11:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
b

Ans 12:

Shaurya Srivastava from delhi public school, navi mumbai
Class : Class 6
complicated

Ans 13:

Vihaan Nair from Ambassador School, DUBAI
Class : Class 8
how Z can be cotton

Ans 14:

Aarvi Gosai from The New Tulip International School, Ahemdabad
Class : Class 4
( smashes window in anger when could not find out the the answer ) I actually did that

Ans 15:

Shanaya Gupta from Delhi Public School, Ludhiana
Class : Class 4
ACCORDING TO ME THE CORRECT ANSWER IS (A)

Ans 16:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 9
Ans -b

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Hammad Zaheer from DAV PUBLIC SCHOOL, GOPALGANJ
Subject :NSO    Class : Class 4

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Pratheek from Null, Null
Subject :NSO    Class : Class 6

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Dushyant Singh from Shri Ram Centennial School, Indore
Subject :NSO    Class : Class 5

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Arushi from Indira National School, Pune
Subject :NSO    Class : Class 8

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Archishman Pal from Sri Krishna Mission School, Agartala
Subject :NSO    Class : Class 4

Ans 1:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 9
The correct answer is C.

Ans 2:

Ashlynn Bhatia from Modern Vidya Niketan Sr. Secondary School Sector - 17, FARIDABAD
Class : Class 4

Ans 3:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
meaning of piercing

Ans 4:

mishika tripathi from DPS, Gurugram, Haryana
Class : Class 5
answer is C

Ans 5:

Isha singh from Delhi public school , Raipur
Class : Class 3

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Archishman Pal from Sri Krishna Mission School, Agartala
Subject :NSO    Class : Class 4

Ans 1:

jathin from national public school chikkabanavara, banglore
Class : Class 4
ANSWER IS B

Ans 2:

Arrni Das from St George School, New Delhi
Class : Class 8
Answer C is the right answer, as Boiling leads to water residue and fungal growth happens on storing. In the case of baking the food is dried up and can be stored for longer duration

Ans 3:

Twisha Arora from Modern Vidya Niketan, Sector - 17, Faridabad, Haryana, FARIDABAD
Class : Class 7
No, you are wrong @Arini Das. The correct answer is B. Baking is a method for cooking only whereas canning and drying are methods of preservation. Boiling is a method of cooking as well as preservation so B is the correct answer.

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Archana from Opg World School, New Delhi
Subject :NSO    Class : Class 5

Ans 1:

Subhang Deep Sahu from Narayana CO Kadugodi Bangalore, Bangalore
Class : Class 8

Ans 2:

Hitanshi Behera from Loyola School , Bhubaneswar
Class : Class 4
oye balle balle dhe shava shava, balle balle dhe shava shava, pio pio re kava kava, gana khatham hua

Ans 3:

Rishita kundu from Dav Public School taratala,Kolkata, Kolkata
Class : Class 5

Ans 4:

Aaditya Malhotra from Isaac Newton Global School, Mumbai
Class : Class 3

Ans 5:

Archana from Opg World School, New Delhi
Class : Class 7

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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 4

Ans 1:

Ishan Manjith from Loyola ICSE, THIRUVANANTHAPURAM
Class : Class 4
Silver fish is not fish dumbosIt is insect it acts like a ground moth it eats fabric

Ans 2:

vineet8026@gmail.com from dps, Doha
Class : Class 1

Ans 3:

Isha singh from Delhi public school , Raipur
Class : Class 3

Ans 4:

Samarth Vijay Yeliathaya from Shri Kumarans Children home,cbse, Bangalore
Class : Class 5
this is crazy

Ans 5:

Sourangshu Mallick from GIIS, Singapore
Class : Class 2

Ans 6:

Archishman Pal from Sri Krishna Mission School, Agartala
Class : Class 9

Ans 7:

Ankush Dey from Sri Chaitanya Techno School Newtown, Kolkata
Class : Class 6
How come 'Silverfish' has 6 legs?Ankush

Ans 8:

vineet8026@gmail.com from dps, Doha
Class : Class 1

Ans 9:

Manjeer Chakraborty from La Martinierefor Girls,Kolkata, Kolkata
Class : Class 5
Yes silverfish has 6 legs . I think it is an insect not a fish . I checked the google

Ans 10:

Rishit goyal from St Peter's College, Agra
Class : Class 8

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