National Science Olympiad Forum By SOF Olympiad Trainer - Page 423
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Anunnakee Banerjee from BBPS NOIDA, NOIDA
Subject :NSO    Class : Class 2

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Lakshmi from FPS, Bangalore
Subject :NSO    Class : Class 6

Ans 1:

Adhrit from CHSV, Chennai
Class : Class 8
How is a bud turning into a flower a chemical change?

Ans 2:

Anaadya from Arsha Vidya Mandir, Chennai
Class : Class 7
Wrong answer. It should be C.

Ans 3:

Aditya anand from dps east, bengaluru
Class : Class 6
the answer should be C

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Lakshmi from FPS, Bangalore
Subject :NSO    Class : Class 6

Ans 1:

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

Ans 2:

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

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

Ans 1:

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 2:

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

Ans 3:

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

Ans 4:

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 5:

Shreyansh Saha from Dps Megacity, Kolkata
Class : Class 6
Option b

Ans 6:

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

Ans 7:

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

Ans 8:

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

Ans 9:

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

Ans 10:

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

Ans 11:

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

Ans 12:

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

Ans 13:

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

Ans 14:

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

Ans 15:

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

Ans 16:

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

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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 Dpsvk, Gurgaon
Class : Class 9
meaning of piercing

Ans 4:

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

Ans 5:

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

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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:

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.

Ans 3:

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

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