National Science Olympiad Forum By SOF Olympiad Trainer - Page 393
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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:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

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:

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 2:

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

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

Ans 1:

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

Ans 2:

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

Ans 3:

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 4:

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

Ans 5:

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

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

Ans 1:

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 2:

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

Ans 3:

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

Ans 4:

Sourangshu Mallick from GIIS, Singapore
Class : Class 2

Ans 5:

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

Ans 6:

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

Ans 7:

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

Ans 8:

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

Ans 9:

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

Ans 10:

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

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Sarah Ishika Dowerah from Delhi Public School, Numaligarh
Subject :NSO    Class : Class 7

Ans 1:

Shayan Bari from Kendriya Vidyalaya, Katihar
Class : Class 7
It should be 1 and four, the option of which is not given.

Ans 2:

Arin Das from Delhi Public School Nacharam, Hyderabad
Class : Class 8
The correct option is answer c Containers 1,2,4

Ans 3:

DIVYA SRIRAM from YUVABHARATHI INTERNATIONAL SCHOOL, SINGAPORE
Class : Class 9
Magnetic separation can only be used in the cases in which one constituent is magnetic and the other is not. In case one Copper is not magnetic and iron is. In the second case Aluminium is not magnetic and Steel is. nIn the third case both the objects gold and the glass marble are non magnetic objects and hence magnetic separation cannot be used in this case. In the last case both Nickel as well as Steel are magnetic and thus magnetic separation cannot be used. So, magnetic separation can only be used in case 1 and case. Hence the answer is A

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

Ans 1:

MIERA SHARMA from DPS AGRA, AGRA
Class : Class 8

Ans 2:

mishika tripathi from DPS, Gurugram, Haryana
Class : Class 5
ans C

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Sarah Ishika Dowerah from Delhi Public School, Numaligarh
Subject :NSO    Class : Class 7

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Daksh Jain from Deens Academy, Bangalore
Subject :NSO    Class : Class 3

Ans 1:

Ivan Tyagi from Chirec International School , Hyderabad
Class : Class 8
A

Ans 2:

Prisha from Kr mamgalam world school vaishali, Gzb
Class : Class 4

Ans 3:

Ava from trio, bangalore
Class : Class 2
A

Ans 4:

akshitha from Euroschool, Bengaluru
Class : Class 3
how? A is the correct answer? how?

Ans 5:

smithy from ybis, singapore
Class : Class 3
the answer is a

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ICHALKARANJI from dkte, ichalkranji
Subject :NSO    Class : Class 9

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