National Science Olympiad Forum By SOF Olympiad Trainer - Page 840
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Ajit Basu from , Mumbai
Subject :NSO    Class : Class 3

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

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

Ans 6:

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

Ans 7:

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

Post Your Answer

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
Water Plants were the first plants to evolve on earth. We found found them about 3 billion years ago.

Ans 3:

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.

Post Your Answer

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.

Post Your Answer

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

Ans 1:

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

Ans 2:

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

Ans 3:

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

Post Your Answer

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

Ans 1:

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.

Ans 2:

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 3:

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.

Post Your Answer

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

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Post Your Answer

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.

Post Your Answer

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

Ans 1:

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 2:

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

Ans 3:

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

Ans 4:

Sayan from DPS, Gurgaon
Class : Class 6
Kilogram

Post Your Answer

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

Ans 1:

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

Ans 2:

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

Ans 3:

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

Post Your Answer