National Science Olympiad Forum By SOF Olympiad Trainer - Page 678

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
it should be D) (i), (ii) and (iii) because all of them show them end at same time

Ans 2:

Class : Class 10

Ans 3:

Class : Class 5
IN NO. 1 IS NOT SACHIN AT REST ?

Ans 4:

Class : Class 7
In 3, two traingles are not congruent.So,answer is A.

Ans 5:

Class : Class 9
Sachin in 1st one is at a constant speed from a particular period of time, till he finished his race.

Ans 6:

Class : Class 9
But at 1 sachin is at rest

Ans 7:

Class : Class 8

Ans 8:

Class : Class 9
THE CORRECT ASNWER SHOULD BE C because in (i) Sachin's starts the race from a non-zero speed which is practically impossible when a race starts

Ans 9:

Class : Class 6

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9
ans is D cause vi)is gill ii)is ribcage iii)is trachaea

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
A because friction helps us to walk on the ground

Ans 2:

Class : Class 9
d

Ans 3:

Class : Class 5
it is D

Ans 4:

Class : Class 4
Answer should be B

Ans 5:

Class : Class 4
Answer A.

Ans 6:

Class : Class 6
ANSWER D IS NOT GIVEN PROPERLY'Both A and ----?

Ans 7:

Class : Class 8
the answer should be b as frictional force prevents us from slipping. it does not help us to walk on the ground

Ans 8:

Class : Class 4
Is wrong because friction does not help us to walk. Even without friction, we can walk but not without gravity.

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
I think it's option B Unemployed women in villages who are not educated

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8
D as land cools faster than sea and option D is incorrect

Ans 2:

Class : Class 7
d

Ans 3:

Class : Class 4
Answer is D because the going right arrow in the land tells us as sun sets,land cools faster than sea.

Ans 4:

Class : Class 5
Answer is D because the going right arrow in the land tells us as sun sets,land cools faster than sea.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
I think answer is A.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
A option building embankment s

Ans 2:

Class : Class 4

Ans 3:

Class : Class 4
AFFORESTATION IS CORRECT OR NOT

Ans 4:

Class : Class 4
Option A should be correct ✔✔✔

Ans 5:

Class : Class 6
Hmm... It could also be B..

Ans 6:

Class : Class 5
correct........my mistake

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
yes.........it is option(A)

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
Answer should be B (wood)

Ans 2:

Class : Class 7
B

Ans 3:

Class : Class 10
i think d

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Subject :NSO    Class : Class 5

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