National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8
D

Ans 2:

Class : Class 5
d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d is the answer

Ans 3:

Class : Class 5
DDD

Ans 4:

Class : Class 4
ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd

Ans 5:

Class : Class 5
What is night blindness😷😷?? Scurry😭😭😭

Ans 6:

Class : Class 4

Ans 7:

Class : Class 5
d

Ans 8:

Class : Class 4

Ans 9:

Class : Class 4
d

Ans 10:

Class : Class 4
dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd

Ans 11:

Class : Class 5

Ans 12:

Class : Class 5
d is the right answer

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
It's answer should be B option

Ans 2:

Class : Class 4
ans b is the answer......

Ans 3:

Class : Class 5

Ans 4:

Class : Class 6

Ans 5:

Class : Class 7

Ans 6:

Class : Class 5
SOF Trainer Is Saying Option D But I Think It Is Option C

Ans 7:

Class : Class 5
d

Ans 8:

Class : Class 2
option b

Ans 9:

Class : Class 4
The answer should be option C

Ans 10:

Class : Class 3

Ans 11:

Class : Class 8

Ans 12:

Class : Class 5
How a Vineet?

Ans 13:

Class : Class 4

Ans 14:

Class : Class 5
B

Ans 15:

Class : Class 1
A

Ans 16:

Class : Class 4

Ans 17:

Class : Class 5
BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB

Ans 18:

Class : Class 4
Answer has to be option B

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8
a is answer

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Subject :NSO    Class : Class 8

Select the incorrect statements among the following:
(i) Bitumen is used for metalling the roads.
(ii) Some inexhaustible natural resources like coal, petroleum and natural gas formed from the dead remains of living organisms are known as fossil fuels.
(iii) Many useful substances are obtained from coal (commercial importance), so it is also called as ‘Black gold’.
(iv) Natural gas is used as a starting material for the manufacture of a number of chemicals and fertilisers.

A (i) and (ii) only
B (ii) and (iii) only
C (ii) and (iv) only
D (i), (ii) and (iv) only


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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
would'nt the answer be c ?because kangaroo rats consume water in very limited wayand slow their metablic rate.

Ans 2:

Class : Class 7
c c c c c c c c c c c c c c c c c c c cc c c c c c c c c c c c c it should be c

Ans 3:

Class : Class 7
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc

Ans 4:

Class : Class 1
THE ANSWER SHOULD BE C !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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Subject :NSO    Class : Class 7

Consider the following statements and select the option which correctly identifies true (T) and false (F) ones.

(i) North-East India receives very little rain throughout the year, so we can say that climate in North-East India is hot and dry.
(ii) Thick layer of subcutaneous fat, thick skin and a dense feather cover in polar birds like penguins protect them from severe cold weather.
(iii) Polar animals need to conserve water due to water scarcity.
(iv) As we move higher up from sea level temperature becomes lower.

(i) (ii) (iii) (iv)
A F F T T
B F T F T
C F F T F
D T T F T


Ans 1:

Class : Class 7
it is wrong because north east India receives less rainfall as rajasthan is in north east india

Ans 2:

Class : Class 1

Ans 3:

Class : Class 1
NA

Ans 4:

Class : Class 7
It should be option A

Ans 5:

Class : Class 7

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 4
Cholera and typhoid

Ans 2:

Class : Class 4
Cholera and typhoid

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
t

Ans 2:

Class : Class 3

Ans 3:

Class : Class 5

Ans 4:

Class : Class 5
The correct answer is B.

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 9

Ans 2:

Class : Class 3
qsw

Ans 3:

Class : Class 3

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Subject :NSO    Class : Class 3

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