National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 3

Ans 1:

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

Ans 2:

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

Ans 3:

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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Subject :NSO    Class : Class 3

Ans 1:

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:

Class : Class 5
Mangrove

Ans 3:

Class : Class 5
Mangrove

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 8
d.Mangrove

Ans 2:

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:

Class : Class 5
Mangrove

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Subject :NSO    Class : Class 5

Ans 1:

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

Ans 2:

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:

Class : Class 5
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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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
Carbon Dioxide,Water,Chlorophyll,sunlight and soil

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

Ans 3:

Class : Class 7
The required things are carbon dioxide, water, sunlight, chlorophyll and minerals

Ans 4:

Class : Class 7
Sunlight, Carbon Dioxide, Water, Minerals and Chlorophyll.

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Subject :NSO    Class : Class 3

Ans 1:

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.

Ans 2:

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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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
Kilogram

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Class : Class 5
S.I unit of mass is kilogram and S.I unit of weight is newton

Ans 3:

Class : Class 2
Kilogram

Ans 4:

Class : Class 6
Kilogram

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 2
photosynthesis

Ans 2:

Class : Class 3
Carbon di oxide

Ans 3:

Class : Class 2
Carbon dioxide

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 2
Oxygen

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