National Science Olympiad Forum By SOF Olympiad Trainer - Page 759
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Subpotent Ermine from Sharada Mandir School, Goa
Subject :NSO    Class : Class 6

Ans 1:

Ishir Jha from Gyan Ganga Global Academy, Rosera
Class : Class 8
i think this is wrong

Ans 2:

Arav Gupta from St Stephens School, Chandigarh
Class : Class 4
yes

Ans 3:

Shweta Garg from Vibgyor high, Vadodara
Class : Class 8
this is a wrong question (approved by NASA)

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Mohamed Raahil from NMEIS, Riyadh
Subject :NSO    Class : Class 3

Ans 1:

Devang Sharma from Modern school, Kota
Class : Class 8
flowers turn into fruit

Ans 2:

Sreenath from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Class : Class 5

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Aditya Pradhan from SAI INTERNATIONAL SCHOOL, Bhubaneswar
Subject :NSO    Class : Class 5

Ans 1:

Karmanya Gupta from DPS, Udaipur
Class : Class 8

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Ammu from kkm, Trivandrum
Subject :NSO    Class : Class 3

Ans 1:

Admin from Revisewise, Noida
Class : Class 3
The hardest substance in our body is Enamel, so X is Enamel. The Pulp in our teethis soft and bears blood vessels and nerves, so Y is Pulp. Hence the answer is B.

Ans 2:

Dr Indu V Raj from Nirmala Matha Central School Eastfort, Thrissur, Thrissur
Class : Class 3
Pulp cavity

Ans 3:

Admin from Revisewise, Noida
Class : Class 3
The hardest substance found in our body is Enamel so X is Enamel. The pulp in our teeth is soft and bears blood vessels and nerves so Y is Pulp.

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Ammu from kkm, Trivandrum
Subject :NSO    Class : Class 3

Ans 1:

Admin from Revisewise, Noida
Class : Class 3
Answer: B

there was a mistake in the answer, it has been corrected.

Solution:
Natural environment encompasses all living and non living things occurring naturally.

Ans 2:

Baban from dps, kolkata
Class : Class 1

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Ashley Sen from Chettinad Vidyashram, Chennai
Subject :NSO    Class : Class 3

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Ashley Sen from Chettinad Vidyashram, Chennai
Subject :NSO    Class : Class 3

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Sushil Kumar from dpsnoida, Noida
Subject :NSO    Class : Class 6

Ans 1:

AKSHITA DIXIT from R K SARDA VIDYA MANDIR, RAIPUR
Class : Class 6

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Aarush Semwal from DPS Noida, Noida
Subject :NSO    Class : Class 4

Ans 1:

Harshkant Gharote from Delhi Public School kolar road , Bhopal
Class : Class 7
Liquid. Actually glass is not a solid but a super-cooled liquid. It is made by mixing limestone and soda ash.

Ans 2:

Aarush Semwal from DPS Noida, Noida
Class : Class 4
Harshkant You are right. Glass is a super cool liquid. there are actually 4 states of matter.

Ans 3:

SRAVAN SHANKER from Bhavans Varuna Vidyalaya , Ernakulam
Class : Class 6
solid

Ans 4:

Sherlock Holmes from Baker Street, London
Class : Class 9
My name is Dark Raider (a big surprise who I am. I can't reveal who I am) and all of you are wrong. Actually limestone and soda are melted in a furnace which is then cooled to make solid glass. And as for the number of states of matter, there are actually 4 states of matter.

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tejas from Dav public school, MANDI
Subject :NSO    Class : Class 8

Ans 1:

Aparajita from Mount Litera Zee School, Vasco da gama
Class : Class 8
It's different for all the subjects. For IMO it was 43 , for NSO 37. We will get to know the cutoff only after the olympiad :)

Ans 2:

Aparajita from Mount Litera Zee School, Vasco da gama
Class : Class 8
For NCO it was 39 :)

Ans 3:

RiptideMel from Modern Vidya Niketan Senior Secondary School Sec 17, Faridabad
Class : Class 10
There is no Level-2 for IEO.

Ans 4:

Ritwik Chakrabarti from Delhi Public School, Ruby Park, Kolkata, Kolkata
Class : Class 8
There is no second level in ieo,so chill.Now if you want to get a good ranking you should try to get a marks above 45. And in the rest of olympiads,it depends on the question you answered.Like if have answered a question that ha been answered correct by very less percentage , then you get a better rank. But the first is you need to get a minimum of 40marks. and alsp there are cutoffs.

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