National Science Olympiad Forum By SOF Olympiad Trainer - Page 697

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 3
answer is 6

Ans 2:

Class : Class 5
And the sixth triangle by mixing two bottom left side triangles.

Ans 3:

Class : Class 5
And the sixth triangle by mixing two bottom left side triangles.

Ans 4:

Class : Class 7

Ans 5:

Class : Class 5
And the sixth triangle by mixing two bottom left side triangles.

Ans 6:

Class : Class 5
Sorry.Answer will be C because I can find the triangles on the top right side of the boat,second on the top left side of the boat,third and fourth triangles under the top left side triangle and fifth triangle under the bottom left side triangle.

Ans 7:

Class : Class 4
B

Ans 8:

Class : Class 5
c - 6

Ans 9:

Class : Class 5
D

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8
Answer is C how??????

Ans 2:

Class : Class 8
But how????????

Ans 3:

Class : Class 5
c- cinema

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 6
The answer is opshen d

Ans 2:

Class : Class 6
D

Ans 3:

Class : Class 3

Ans 4:

Class : Class 8

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Subject :NSO    Class : Class 10

Ans 1:

Class : Class 10
test_i don't know

Ans 2:

Class : Class 10
NO.for being a conductor any acid is need to be dissolved in it.

Ans 3:

Class : Class 10
No because it does not contain any ions.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7
sorry i did not read the question properly

Ans 2:

Class : Class 5
So sorry, i didnt read the question correctly

Ans 3:

Class : Class 6
number one sun is A STAR BOT A PLANET number two SUN IS 147.26 MILLION KM AWAY FROM EARTH NOT 150,000,000

Ans 4:

Class : Class 10
B

Ans 5:

Class : Class 5
I do not understand how the answer is B.. The sun is not a planet, it is a star. And there are times when you can see venus in the sky, it is the only planet which can be spotted in the sky during the day (Rarely spotted).

Ans 6:

Class : Class 7
the correct answer should be b because the sun is not a planet.

Ans 7:

Class : Class 7
yaa and solution is also wrong it says all are correct

Ans 8:

Class : Class 7
sol is A. The Sun is a huge mass of very hot gases. --- Correct.B. The Sun is the only planet that we can see in the day. --- Correct.The Sun’s light is so bright, that all other plants are not visible.C. The distance of the Sun from the Earth is about 150,000,000 km. --- Correct. Sun is 150 million km away from us.D. The Sun is important to the Earth because it provides light energy to green plants to make food. --- Correct. If there is no sunlight, plants cannot make food, they will die. There will be nothing to eat for animals and us.So, Option B is the right answer.

Ans 9:

Class : Class 7
the correct answer should be b because the sun is not a planet.

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9

Ans 2:

Class : Class 9
if you don't mind please check what question you are setting and please correct it if it is wrong

Ans 3:

Class : Class 8
exactly...there is neither X or Y !! what is wrong with this question...

Ans 4:

Class : Class 5
What is this X and Y. Question is totally wrong

Ans 5:

Class : Class 7
Yes there is no x and y in this question

Ans 6:

Class : Class 5
You all are correct

Ans 7:

Class : Class 7
All are from our NSO level1 workbookAnd they have not mentioned X and Y

Ans 8:

Class : Class 7
ameya athawale from woodridge high school,aurangabadclass:7thX and Y aren't there in the question then what to answer

Ans 9:

Class : Class 7
This question has an error in it. I too found that there was no X and Y in this.

Ans 10:

Class : Class 7
there are no x and y mentioned

Ans 11:

Class : Class 5
Absolutely wrong

Ans 12:

Class : Class 9
I too found it wrong.There is neither X nor Y

Ans 13:

Class : Class 9
Also, if we try to report an error, they say that it is not a valid error. Please tell them to fix this immediately.

Ans 14:

Class : Class 7
yes same here

Ans 15:

Class : Class 7
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Ans 16:

Class : Class 8
question is itself wrong

Ans 17:

Class : Class 8
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Ans 18:

Class : Class 9
There is neither x nor y, how do you expect us to give the correct answer?

Ans 19:

Class : Class 5

Ans 20:

Class : Class 7
i don't know if this question is right or are my eyes playing tricks on me but i don't seem to see an X or a Y in here.

Ans 21:

Class : Class 9
there is no X

Ans 22:

Class : Class 7

Ans 23:

Class : Class 7
This is wrong question we should get full marks

Ans 24:

Class : Class 9
same case here like harshita A ranjani u should give the correct question

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Subject :NSO    Class : Class 1

Ans 1: (Master Answer)

Class : Class 1
The black air causes air pollution and it makes the air dirty. Hence, the correct answer is B.

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 6
A

Ans 2:

Class : Class 2

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 9
In the first and second option, the magnetic materials are iron nail and steel nail respectively. In the third option all are non magnetic. In fourth option, both are magnetic materials. Therefore Ans:- A (i) and (ii)

Ans 2:

Class : Class 6
the answer will be C as 3 option is non-magnetic

Ans 3:

Class : Class 6
No, the answer is A as both steel and nickel are magnetic .

Ans 4:

Class : Class 7
But in containers i

Ans 5:

Class : Class 7

Ans 6:

Class : Class 9
copper is non magnetic

Ans 7:

Class : Class 9
But...Iron, nickel and copper r magnetic, and both steel and aluminium r non-magnetic. Then why option A is correct ans???

Ans 8:

Class : Class 9
Yes the answer is C as iron nail , nickle and steel are magnetic

Ans 9:

Class : Class 8
c

Ans 10:

Class : Class 8

Ans 11:

Class : Class 6

Ans 12:

Class : Class 10
IT SHOULD BE A

Ans 13:

Class : Class 6
C

Ans 14:

Class : Class 7
But in containers I

Ans 15:

Class : Class 6
answer is c nickel coin is also a magnetic substance but steel is a non magnetic substance

Ans 16:

Class : Class 9
The question is not clear

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