National Science Olympiad Forum By SOF Olympiad Trainer - Page 677

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 3

Ans 2:

Class : Class 6
D

Ans 3:

Class : Class 6
The answer is opshen d

Ans 4:

Class : Class 8

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Subject :NSO    Class : Class 10

Ans 1:

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

Ans 2:

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

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

Ans 3:

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

Ans 4:

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 5:

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 6:

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

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 10
B

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9

Ans 2:

Class : Class 8
question is itself wrong

Ans 3:

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

Ans 4:

Class : Class 9
there is no X

Ans 5:

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 6:

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

Ans 7:

Class : Class 5
Absolutely wrong

Ans 8:

Class : Class 5
You all are correct

Ans 9:

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

Ans 10:

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

Ans 11:

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

Ans 12:

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

Ans 13:

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

Ans 14:

Class : Class 5

Ans 15:

Class : Class 7
yes same here

Ans 16:

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

Ans 17:

Class : Class 8
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Ans 18:

Class : Class 7
there are no x and y mentioned

Ans 19:

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 20:

Class : Class 7

Ans 21:

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

Ans 22:

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

Ans 23:

Class : Class 7
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Ans 24:

Class : Class 9
if you don't mind please check what question you are setting and please correct it if it is 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 9
Yes the answer is C as iron nail , nickle and steel are magnetic

Ans 2:

Class : Class 9
copper is non magnetic

Ans 3:

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

Ans 4:

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 5:

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 6:

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

Ans 7:

Class : Class 8

Ans 8:

Class : Class 6
C

Ans 9:

Class : Class 9
The question is not clear

Ans 10:

Class : Class 7
But in containers i

Ans 11:

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

Ans 12:

Class : Class 7

Ans 13:

Class : Class 7
But in containers I

Ans 14:

Class : Class 8
c

Ans 15:

Class : Class 10
IT SHOULD BE A

Ans 16:

Class : Class 6

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6

Ans 2:

Class : Class 7

Ans 3:

Class : Class 7
question not complete pls fix

Ans 4:

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

Ans 5:

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

Ans 6:

Class : Class 8

Ans 7:

Class : Class 9
R-magnesium

Ans 8:

Class : Class 9
What is spasms????

Ans 9:

Class : Class 7
oh vitamin A

Ans 10:

Class : Class 10

Ans 11:

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

Ans 12:

Class : Class 5
answer is (d)

Ans 13:

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

Ans 14:

Class : Class 7
Question is not complete...

Ans 15:

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

Ans 16:

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

Ans 17:

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

Ans 18:

Class : Class 6
Q is Vitamin D.

Ans 19:

Class : Class 9

Ans 20:

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 21:

Class : Class 6
ummm intestine?

Ans 22:

Class : Class 7
what is L?

Ans 23:

Class : Class 9
S-vitamin K

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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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