National Science Olympiad Forum By SOF Olympiad Trainer - Page 841
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Ajit Basu from , Mumbai
Subject :NSO    Class : Class 3

Ans 1:

Adithya Bharath M from Manipal School, Mangalore
Class : Class 7
Oxygen IS THE RIGHT ANSWER.

Ans 2:

Sohum Saha from DAV Model School Durgapur, Durgapur
Class : Class 7
Carbon Dioxide

Ans 3:

mitra from dav model school, Durgapur
Class : Class 5
Not carbon dioxide. The answer will be Oxygen (O2) and Water vapour (H2O)!!!

Ans 4:

Sivanthili.sivaganesh from kamalaniketan , Trichy
Class : Class 3
Astronomers

Ans 5:

Ananya from Delhi Public School, Meerut
Class : Class 7
Carbon Dioxide is given out during photosynthesis

Ans 6:

Kirti Dwivedi from DR AMIN, Vadodara
Class : Class 5
Oxygen

Ans 7:

Sivanthili.sivaganesh from kamalaniketan , Trichy
Class : Class 3
Physiologist

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Promila Sharma from DPS Udaipur, Uaipur
Subject :NSO    Class : Class 3

Ans 1:

Ajit Basu from , Mumbai
Class : Class 3
Water Plants were the first plants to evolve on earth. We found found them about 3 billion years ago.

Ans 2:

Ajit Basu from , Mumbai
Class : Class 3
Mangrove possess breathing roots . These plants grow in marshy areas, which have clayey soil. In clayey soil, plants face deficiency of oxygen. Thus, to obtain oxygen, their roots grow upwards. Such roots that grow upwards (away from the gravity) are called breathing roots.

Ans 3:

Ajit Basu from , Mumbai
Class : Class 3
Water Plants were the first plants to evolve on earth. We found found them about 3 billion years ago.

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Ajit Basu from , Mumbai
Subject :NSO    Class : Class 3

Ans 1:

Shagun from MAXFORT DWARKA, New Delhi
Class : Class 5
Mangrove

Ans 2:

mitra from dav model school, Durgapur
Class : Class 5
Mangrove

Ans 3:

Promila Sharma from DPS Udaipur, Uaipur
Class : Class 3
Mangrove possess breathing roots . These plants grow in marshy areas, which have clayey soil. In clayey soil, plants face deficiency of oxygen. Thus, to obtain oxygen, their roots grow upwards. Such roots that grow upwards (away from the gravity) are called breathing roots.

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Ajit Basu from , Mumbai
Subject :NSO    Class : Class 3

Ans 1:

SANKET SI from DELHI PUBLIC SCHOOL, Rourkela
Class : Class 8
d.Mangrove

Ans 2:

Ajit Basu from , Mumbai
Class : Class 3
Mangrove. Mangrove possess breathing roots . These plants grow in marshy areas, which have clayey soil. In clayey soil, plants face deficiency of oxygen. Thus, to obtain oxygen, their roots grow upwards. Such roots that grow upwards (away from the gravity) are called breathing roots

Ans 3:

mitra from dav model school, Durgapur
Class : Class 5
Mangrove

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Anu Sharma from DPS Noida, Noida
Subject :NSO    Class : Class 5

Ans 1:

Soundharya from ISWK, Muscat
Class : Class 8
When Colombus landed in America thinking that was India,he called them Red Indians because of their skin colour.

Ans 2:

Anu Sharma from DPS Noida, Noida
Class : Class 2
When Columbus landed in America thinking that was India, he called them as 'Indians' or 'Red Indians' because of their skin complexion. According to the wiki references, Native Americans called their elders as 'Indians' and that remained a family name for many over generations.

Ans 3:

UVAIS ZUFAR from DON BOSCO SCHOOL OF EXCELLENCE, Chennai
Class : Class 8
When Columbus landed in America thinking that was India, he called them as 'Indians' or 'Red Indians' because of their skin complexion.

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Pawan Kumar from Army Public School, Hyderabad
Subject :NSO    Class : Class 7

Ans 1:

from ,
Class :
It requires sunlight,water,minerals,chlorophyll,co2.... shreyash dhase from De Paul English Medium School..

Ans 2:

Roma singh from RBK Global School, Maharashtra
Class : Class 7
The required things are carbon dioxide, water, sunlight, chlorophyll and minerals

Ans 3:

Ananya from Delhi Public School, Meerut
Class : Class 7
Carbon Dioxide,Water,Chlorophyll,sunlight and soil

Ans 4:

Pawan Kumar from Army Public School, Hyderabad
Class : Class 7
Sunlight, Carbon Dioxide, Water, Minerals and Chlorophyll.

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Anu Sharma from DPS Noida, Noida
Subject :NSO    Class : Class 3

Ans 1:

Promila Sharma from DPS Udaipur, Uaipur
Class : Class 3
Mangrove possess breathing roots . These plants grow in marshy areas, which have clayey soil. In clayey soil, plants face deficiency of oxygen. Thus, to obtain oxygen, their roots grow upwards. Such roots that grow upwards (away from the gravity) are called breathing roots.

Ans 2:

Anu Sharma from DPS Noida, Noida
Class : Class 2
Stars shine because they are a powerhouse of energy, with gigantic cores of fusion reaction that causes energy to be released and sent out into the universe as light.

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Shweta Basu from Amity international School, Gurgaon
Subject :NSO    Class : Class 4

Ans 1:

MANASVI SINHA from Bal Bharati Public School, NTPC -Sipat, Bilaspur
Class : Class 4
Kilogram

Ans 2:

AMBALIKAA from LOYOLA SCHOOL BHUBANESWAR, Bhubaneswar
Class : Class 7
S.I unit of mass is kilogram and S.I unit of weight is newton

Ans 3:

Anu Sharma from DPS Noida, Noida
Class : Class 2
Kilogram

Ans 4:

Sayan from DPS, Gurgaon
Class : Class 6
Kilogram

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Shweta Basu from Amity international School, Gurgaon
Subject :NSO    Class : Class 3

Ans 1:

Anu Sharma from DPS Noida, Noida
Class : Class 2
Carbon dioxide

Ans 2:

Anu Sharma from DPS Noida, Noida
Class : Class 2
photosynthesis

Ans 3:

Sivanthili.sivaganesh from kamalaniketan , Trichy
Class : Class 3
Carbon di oxide

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