National Science Olympiad Forum By SOF Olympiad Trainer - Page 667

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 3

Ans 2:

Class : Class 8

Ans 3:

Class : Class 6
D

Ans 4:

Class : Class 6
The answer is opshen d

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Subject :NSO    Class : Class 10

Ans 1:

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

Ans 2:

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

Ans 3:

Class : Class 10
test_i don't know

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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
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 3:

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

Ans 4:

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

Ans 5:

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 6:

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

Ans 7:

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 8:

Class : Class 10
B

Ans 9:

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

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Subject :NSO    Class : Class 7

Ans 1:

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

Ans 2:

Class : Class 7

Ans 3:

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 4:

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

Ans 5:

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

Ans 6:

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

Ans 7:

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

Ans 8:

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

Ans 9:

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

Ans 10:

Class : Class 8
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Ans 11:

Class : Class 7
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Ans 12:

Class : Class 5

Ans 13:

Class : Class 5
Absolutely wrong

Ans 14:

Class : Class 10

Ans 15:

Class : Class 7
yes same here

Ans 16:

Class : Class 7
there are no x and y mentioned

Ans 17:

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 18:

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

Ans 19:

Class : Class 8
question is itself wrong

Ans 20:

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

Ans 21:

Class : Class 5
You all are correct

Ans 22:

Class : Class 9
there is no X

Ans 23:

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

Ans 24:

Class : Class 4
What is this X and Y. Question is totally wrong

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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 6

Ans 2:

Class : Class 9
The question is not clear

Ans 3:

Class : Class 7
But in containers i

Ans 4:

Class : Class 9
copper is non magnetic

Ans 5:

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

Ans 6:

Class : Class 7
But in containers I

Ans 7:

Class : Class 10
IT SHOULD BE A

Ans 8:

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 9:

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 10:

Class : Class 8

Ans 11:

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

Ans 12:

Class : Class 5
answer is c nickel coin is also a magnetic substance but steel is a non magnetic substance

Ans 13:

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

Ans 14:

Class : Class 6
C

Ans 15:

Class : Class 7

Ans 16:

Class : Class 8
c

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
what is gut??????

Ans 2:

Class : Class 7
Can someone please tell me what are the nutrients?

Ans 3:

Class : Class 7
because P is vitamin a and i think S is vitamin k

Ans 4:

Class : Class 9
R-magnesium

Ans 5:

Class : Class 5
answer is (d)

Ans 6:

Class : Class 9

Ans 7:

Class : Class 6
Question is not complete...

Ans 8:

Class : Class 10

Ans 9:

Class : Class 8
P- Vitamin AQ- Vitamin DR- IDKS- Vitamin K

Ans 10:

Class : Class 9
Umm, SOF..... No, this time nothing is wrong in this question (bcz almost all times I post for wrong question ;P) but could you explain this a little better in the solution?

Ans 11:

Class : Class 6
question not complete pls fix

Ans 12:

Class : Class 7
gut means intestine and spasms means muscles suddenly contracting involuntarily.

Ans 13:

Class : Class 7

Ans 14:

Class : Class 9
S-vitamin K

Ans 15:

Class : Class 6

Ans 16:

Class : Class 9
What is spasms????

Ans 17:

Class : Class 6
Q is Vitamin D.

Ans 18:

Class : Class 9
P-vit a ,Q- vit d

Ans 19:

Class : Class 9
The question has some error......Can anyone find it and declare? Please!!!!

Ans 20:

Class : Class 6
oh vitamin A

Ans 21:

Class : Class 6
what is L?

Ans 22:

Class : Class 8

Ans 23:

Class : Class 6
ummm intestine?

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Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

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