National Science Olympiad Forum By SOF Olympiad Trainer - Page 471

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9

Ans 2:

Class : Class 8
If you meant incorrect statements option d would be correct but in the question it says correct statementsPLEASE RECTIFY THIS ERROR

Ans 3:

Class : Class 9

Ans 4:

Class : Class 9

Ans 5:

Class : Class 8

Ans 6:

Class : Class 8
I think u meant incorrect not correcttestes only produces sperm in external temperaturesit cannot produce gametes in internal temperatures so it is present out side not in the cavityamoeba undergoes multiple fissionand what you gave has nothing to do with mensuration.please correct these mistakes!!

Ans 7:

Class : Class 8
(C)

Ans 8:

Class : Class 8
amoeba undergoes BINARY FISSION!! as per NCERT

Ans 9:

Class : Class 8
Under normal circumstances, Amoeba undergoes binary fission. Also ,in multiple fission, the organism divides into four daughter cells. Please correct this error

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
a is also correct

Ans 2:

Class : Class 8

Ans 3:

Class : Class 7

Ans 4:

Class : Class 8

Ans 5:

Class : Class 10

Ans 6:

Class : Class 7
C is correct option

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Pls provide solutions as well

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
R can be silk p can be polyester.

Ans 2:

Class : Class 3
C, as R is silk and P can be polyester

Ans 3:

Class : Class 7
c

Ans 4:

Class : Class 3
C, as R is silk and P can be polyester

Ans 5:

Class : Class 7
P.Vishnu Dattha from III- A,BVBARRS ,hyderabad Ans C. As R is silk because it is mainly from animals category later animals are divided into, insectsP is polyster

Ans 6:

Class : Class 3

Ans 7:

Class : Class 3
C

Ans 8:

Class : Class 7
c

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Answer C however the question bank answer seems to be B which does not make sense as Peanut butter does not appear to be a source of Vitamin C.

Ans 2:

Class : Class 7
Vitamin C is a powerful antioxidant and can promote healthy reproductive systems in both men and women. So both, Vitamin C and B12 are good for your reproductive system

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
c

Ans 2:

Class : Class 6
The ans is C

Ans 3:

Class : Class 5

Ans 4:

Class : Class 4
if a magnet broke's its two ends are changed according to the poles .in the original magnet north is in left and south is in right so all the pieces will have north in left and south in right .poles never change .so, the answer is c

Ans 5:

Class : Class 6

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9
the answer is of course d..... as metal is a good conductor of heat.

Ans 2:

Class : Class 8

Ans 3:

Class : Class 7
it is c

Ans 4:

Class : Class 8
Yes,the answer is C.

Ans 5:

Class : Class 7
the heat should take less time to travel in the thin bowl so it should be option c

Ans 6:

Class : Class 8
it should be c because the metal box is thin

Ans 7:

Class : Class 8
Answer C , SOF own solution mentions answer C but marking is done basis option D. Please correct

Ans 8:

Class : Class 7
C

Ans 9:

Class : Class 8

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 4

Ans 2:

Class : Class 8
njj

Ans 3:

Class : Class 8

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
B is answer

Ans 2:

Class : Class 5
THE CORRECT ANSWER SHOULD BE C . IT IS BECAUSE FOSSIL FUELS WERE FORMED FROM THE REMAINS OF DEAD ANIMALS AND PLANTS BURIED UNDER THE GROUND UNDER GREAT PRESSURE AND HEAT .

Ans 3:

Class : Class 5

Ans 4:

Class : Class 5
the correct answer is B

Ans 5:

Class : Class 7
b is correct

Ans 6:

Class : Class 5

Ans 7:

Class : Class 5
fossil fuel were formed over a long period of time because heat and pressure were applied to nitrogen

Ans 8:

Class : Class 7
no, the correct answer is b

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