National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

Class : Class 6
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Ans 3:

Class : Class 6
the correct answer is a

Ans 4:

Class : Class 6
a.y

Ans 5:

Class : Class 6
a.y

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Subject :NSO    Class : Class 9



Select the incorrect statement regarding this.

APlants require nitrogen mainly in the form of nitrate, which is exported from roots to shoots, reconverted to ammonium and assimilated as amino acid.
BRhizobia, cyanobacteria, nitrifying bacteria, symbiotic fungi, etc are used as biofertilizers.
CRhizobium bacteria produce N2 fixing root nodules in leguminous plants and thus help in replenishing nutrients in crop fields.
DMaterials of biological origin which are commonly used to maintain and improve soil fertility are green manures, biofertilizers and bioinsecticides.


Ans 1:

Class : Class 9
B

Ans 2:

Class : Class 9
D

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
the answer would be C as the hands of the clock shows rotational and periodic motion whereas the table top shows only rotational motion

Ans 2:

Class : Class 6
answer should be A as to and fro motion of a swing is not periodic motion

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
b.50 minutes

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
ans: b

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
ans:c

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

Class : Class 5
D, as all are not magnetic

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5

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Subject :NSO    Class : Class 5

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