National Science Olympiad Forum By SOF Olympiad Trainer - Page 451

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9

Ans 2:

Class : Class 8
ANS A

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
To know that, you will need to search it in YouTube . Just type"Dr. Binocs show of how is atom made.

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Subject :NSO    Class : Class 5

Read the given passage:Deep inside the Earth, there is hot molten rock called P which comes up and collects in a chamber. When the pressure in the chamber builds up, P finds a release through an opening or a crack in the crust of the Earth, called volcano. When P erupts through volcano, it is called Q. The eruption constitutes of gases, pieces of rocks and Q that comes out from R, an outlet or a well-like opening in the Earths surface. Q and ash that are thrown out, collect and after repeated eruptions, form a mountain on cooling down. The hollow top of this mountainous volcano is shaped like a bowl, called S.Select the correct option regarding it.

AThe release of Q is always very violent and it comes out with an explosion.
BThe intense pressure inside the Earth pushes P towards the surface of the Earth. Generally P cools just below the Earths surface and then hardens to form igneous rocks.
CS may contain several Rs.
DBoth B and C


Read the given passage:Deep inside the Earth, there is hot molten rock called P which comes up and collects in a chamber. When the pressure in the chamber builds up, P finds a release through an opening or a crack in the crust of the Earth, called volcano. When P erupts through volcano, it is called Q. The eruption constitutes of gases, pieces of rocks and Q that comes out from R, an outlet or a well-like opening in the Earths surface. Q and ash that are thrown out, collect and after repeated eruptions, form a mountain on cooling down. The hollow top of this mountainous volcano is shaped like a bowl, called S.Select the correct option regarding it. AThe release of Q is always very violent and it comes out with an explosion. BThe intense pressure inside the Earth pushes P towards the surface of the Earth. Generally P cools just below the

Ans 1:

Class : Class 7
Does Rs means rupees here or something else?

Ans 2:

Class : Class 8

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 9
THE ANSWER IS D

Ans 2:

Class : Class 4
ANSWER D

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 6

Ans 2:

Class : Class 9
The mirror captures the image which is double its size. A 1m long mirror captures 2m of painted wall,5m of mirror captures 10m of wall.

Ans 3:

Class : Class 8
ANS B

Ans 4:

Class : Class 9

Ans 5:

Class : Class 10

Ans 6:

Class : Class 10
Ans would have been B if if the wall was 6m long and the person was in touch with the painted wall

Ans 7:

Class : Class 10
Answer is correct it should be C

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
please the answer

Ans 2:

Class : Class 9

Ans 3:

Class : Class 8

Ans 4:

Class : Class 9

Ans 5:

Class : Class 7

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
Pls correct it

Ans 2:

Class : Class 6
in this question ,in the word statistic 's' is to t.therefore the answer code should start from the letter 't'.Instead the answer is showing the code starting with 'r'.the answer has to be [D]

Ans 3:

Class : Class 8
ANS is D

Ans 4:

Class : Class 6

Ans 5:

Class : Class 3
The middle letter of the word remains unchanged in the code. Each of the first two and last two letters of the word is moved one step backward, while each of the remaining letters is moved one step forward to obtain the corresponding letters of the code. Similarly, S will become RT will become SA will become BT will become UI will the same I S will become T T will become UI will become H C will become B Hence, the right answer is B

Ans 6:

Class : Class 3

Ans 7:

Class : Class 10
HEY!!! IT SHOULD BE OPTION D!!!!

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Subject :NSO    Class : Class 7

The given graph shows changes in the pressure in lungs during breathing.



Which of the following is incorrect regarding this?
(i) Region R to T represents inhalation.
(ii) Region P to R represents inhalation.
(iii) Region P to R represents exhalation.
(iv) Ribcage will move upward and diaphragm will get flattened at point S.
(v) Ribcage will move downward and diaphragm will become dome shaped at point S.

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


Ans 1:

Class : Class 7

Ans 2:

Class : Class 7
air pressure decreases during inhalation

Ans 3:

Class : Class 7
answer is option c

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