National Science Olympiad Forum By SOF Olympiad Trainer - Page 80

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 5

Three different types of plants X, Y and Z, were selected by scientists who want to document their methods of seed dispersal. The graphs below show the approximate number of seedlings found at various distances around the parent plant.

Which option most correctly lists the methods of seed dispersal of each plant?

AX- Water; Y- Explosive action; Z-Animal
BX- Wind; Y- Animal; Z-Water
CX- Wind; Y-Animal; Z-Explosion
DX- Explosion; Y- Water; Z-Animal


Ans 1:

Class : Class 6
C

Ans 2:

Class : Class 5

Ans 3:

Class : Class 5

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Class : Class 5

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 8

The diagram shows an object hanging from a string. Which of the following is the correct statement about the diagram?


A The object does not fall because there is no gravity.
B The object does not fall because there is friction between the object and the string.
C The object does not fall because a magnetic force is acting on it.
D The object does not fall because the string is exerting a force against the Earth’s gravity.


option d

Ans 1:

Class : Class 8
Why?Plz explain

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