National Science Olympiad Forum By SOF Olympiad Trainer - Page 116
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Nikhil Kocherry from Ryan International School, Mumbai
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is D.

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sai ramakrishna GUDIMETLA  from AMM MATRICULATION HIGHER SECONDARY SCHOOL, Chennai
Subject :NSO    Class : Class 4

Ans 1:

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

II and IV

Solution:
As per the equation of photosynthesis -X is carbon dioxide, Y is chlorophyll and Z is oxygen.
I is incorrect because carbon dioxide constitutes only 0.04% of atmosphere and III is incorrect because oxygen gas does not turn lime water milky.

Ans 2:

PRANSHU AGRAWAL from The Jain International School, Bilaspur
Class : Class 6
thanks sir

Ans 3:

ABHAY AGARWAL from ,
Class : Class 3
thank u kind sir

Ans 4:

Mannat Verma from Vivek High School , Chandigarh
Class : Class 6
Thanx sir

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Aarush from Podar, Mumbai
Subject :NSO    Class : Class 4

Ans 1:

sai ramakrishna GUDIMETLA  from AMM MATRICULATION HIGHER SECONDARY SCHOOL, Chennai
Class : Class 5
option B

Ans 2:

suresh kumar reddy Guddili from ,
Class : Class 4
A

Ans 3:

Parth from St Stephens School, Chandigarh
Class : Class 5
option D

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Aarush from Podar, Mumbai
Subject :NSO    Class : Class 4

Ans 1:

sai ramakrishna GUDIMETLA  from AMM MATRICULATION HIGHER SECONDARY SCHOOL, Chennai
Class : Class 5
option D

Ans 2:

Prisha from Podar International School Thane, Thane
Class : Class 5
Option (D) because land cools faster than the sea.

Ans 3:

Pratham Jain from Clara Global School, Pune
Class : Class 4
c

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Aarush from Podar, Mumbai
Subject :NSO    Class : Class 4

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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:

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.

Ans 3:

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 4:

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

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Aritra Porey from DPS Bangalore North, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

Kanishka Ajwani from DAV International School, Ahmedabad
Class : Class 4
Titanic

Ans 2:

Arka Chakraborty from St. Patrick's Academy, Bengaluru, Bengaluru
Class : Class 4
titanic

Ans 3:

Aryan Sirohi from mount litera zee school, Bengaluru
Class : Class 4
titanic

Ans 4:

Aritra Porey from DPS Bangalore North, Bengaluru
Class : Class 10
THE OASIS OF THE SEAS

Ans 5:

USHASHI CHAKRABARTI from INDUS VALLEY WORLD SCHOOL, CALCUTTA
Class : Class 6
The Titanic is the biggest ship in the world.

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Kanishka Ajwani from DAV International School, Ahmedabad
Subject :NSO    Class : Class 4

Ans 1:

Kanishka Ajwani from DAV International School, Ahmedabad
Class : Class 4
Hummingbird

Ans 2:

Nandana from St Thomas Residential School, Trivandrum
Class : Class 10
Hummingbird

Ans 3:

SRAVAN SHANKER from Bhavans Varuna Vidyalaya , Ernakulam
Class : Class 6
HUMMING BIRD IS THE ONLY BIRD WHICH CAN FLY BACKWARDS

Ans 4:

Harshit Krishna from Vivekanand Mission Vidyapeeth, Madhubani
Class : Class 4
Hummingbird

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Anwesha from DAV public school , Pune
Subject :NSO    Class : Class 4

Ans 1:

sai ramakrishna GUDIMETLA  from AMM MATRICULATION HIGHER SECONDARY SCHOOL, Chennai
Class : Class 5
a deer

Ans 2:

Kanishka Ajwani from DAV International School, Ahmedabad
Class : Class 4
no animal can run as fast as a cheetah

Ans 3:

USHASHI CHAKRABARTI from INDUS VALLEY WORLD SCHOOL, CALCUTTA
Class : Class 6
No animal can run faster than a cheetah.

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USHASHI CHAKRABARTI from INDUS VALLEY WORLD SCHOOL, CALCUTTA
Subject :NSO    Class : Class 4

Ans 1:

Kanishka Ajwani from DAV International School, Ahmedabad
Class : Class 4
Alexender Graham Bell

Ans 2:

Aryan Sirohi from mount litera zee school, Bengaluru
Class : Class 4
Alexander Graham Bell

Ans 3:

SRAVAN SHANKER from Bhavans Varuna Vidyalaya , Ernakulam
Class : Class 6
An inventor named ANTONIO MEUCCI had made and patented a device much like the telephone which he called the 'teletrofono' in 1860,but he was so poor that he could not pay the $10 fee to renew his patent,so he lost it.5 years later ALEXANDER GRAHAM BELL who had seen the 'teletrofono' made his own 'teletrofono' which he called as 'telephone'.

Ans 4:

Atharv from JGRVK, Bengaluru
Class : Class 8
Alexender Graham Bell

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