National Science Olympiad Forum By SOF Olympiad Trainer - Page 912

User Forum

Subject :NSO    Class : Class 3

Ans 1:

Class :
B to perform photosynthesis

Ans 2:

Class : Class 3
Burning gases of helium and hydrogen

Ans 3:

Class : Class 3
Oxygen

Ans 4:

Class : Class 3
Skin

Ans 5:

Class : Class 7
Spines present on the cactus plant are the modified leaves. They are very tiny and do not perform photosynthesis. Photosynthesis is performed by the spongy stem of cactus. thus the correct option is B

Ans 6:

Class : Class 3
To perform photosynthesis

Ans 7:

Class : Class 3
Algae , 5 million years ago

Ans 8:

Class : Class 7
C Rudraksh Tiwari KPS, Dwarahat-Almora

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 7
Oxygen IS THE RIGHT ANSWER.

Ans 2:

Class : Class 3
Astronomers

Ans 3:

Class : Class 3
Physiologist

Ans 4:

Class :
Carbon Dioxide is given out during photosynthesis

Ans 5:

Class : Class 5
Oxygen

Ans 6:

Class : Class 7
Carbon Dioxide

Ans 7:

Class : Class 5
Not carbon dioxide. The answer will be Oxygen (O2) and Water vapour (H2O)!!!

Post Your Answer

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

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 5
Mangrove

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.

Ans 3:

Class : Class 5
Mangrove

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class :
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

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

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 2:

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

Ans 3:

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.

Post Your Answer

Subject :NSO    Class : Class 7

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Post Your Answer

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 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

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 2
Kilogram

Ans 2:

Class :
Kilogram

Ans 3:

Class : Class 7
S.I unit of mass is kilogram and S.I unit of weight is newton

Ans 4:

Class : Class 4
Kilogram

Post Your Answer

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

Post Your Answer