National Science Olympiad Forum By SOF Olympiad Trainer - Page 590

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 9
answer is b

Ans 2:

Class : Class 9
the answer is b . this is because sun tan is temporary.

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
Supposed to be D

Ans 2:

Class : Class 8
It should be D. Because nylon would never once burn with smell of paper in it's entire career. SOF, you gotta chnage the answer man.

Ans 3:

Class : Class 8
Nylon does not have the smell of burning hair. So the answer should be d.

Ans 4:

Class : Class 9
How can Nylon burn with the smell of burning hair??

Ans 5:

Class : Class 9
nylon burns with a smell of plastic, not burning hair. WTF?

Ans 6:

Class : Class 9
IT must be D! Nylon does not burn with the smell of burning hair as it is purely synthetic and has no relation to the protein based hair.

Ans 7:

Class : Class 8
(D)

Ans 8:

Class : Class 9
wrong answerthe answer should be B

Ans 9:

Class : Class 8
Nylon should neither have a smell of burning hair nor the smell of burning paper. Nylon has a celery or plastic-like cell. Hence the correct answer is D. But on the other hand when acrylic burns, it shrinks and converts into black beads. On this contrast, the correct answer will be B with respect to acrylic and D with respect to Nylon. There is definitely an error in the options of the answers!

Ans 10:

Class : Class 10

Ans 11:

Class : Class 8
IT SHOU BE D!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 12:

Class : Class 9
yes the answer is D. nylon burns with a smell of celery because its a synthetic fibre.

Ans 13:

Class : Class 8
Correct answer is A

Ans 14:

Class : Class 8
wool burns with smell of burning hair

Ans 15:

Class : Class 8
How is this possible Nylon burns with smell of hair???

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 9
there is air friction against gravity. so answer is B

Ans 2:

Class : Class 9

Ans 3:

Class : Class 4
@ishi gupta i know this is irrevelent but its not sob its sof

Ans 4:

Class : Class 4
qwertyuiopasdfghjklzxcvbnm,.-/:;(â1

Ans 5:

Class : Class 8
There is no explanation for the answer. How do we understand Sof?

Ans 6:

Class : Class 8
I think c

Ans 7:

Class : Class 4

Ans 8:

Class : Class 10
Kqwertyuiopasdfghjklzxcvbnm,.-/:;(₹

Ans 9:

Class : Class 9

Ans 10:

Class : Class 5
But they are telling that the right answer is option d

Ans 11:

Class : Class 9

Ans 12:

Class : Class 4

Ans 13:

Class : Class 4
There is no explanation for the answer. How do we understand sof?

Ans 14:

Class : Class 4

Ans 15:

Class : Class 4

Ans 16:

Class : Class 8

Ans 17:

Class : Class 8
Yea, pls explain this question to us SOF admin

Ans 18:

Class : Class 4
qwertyuiopasdfghjkkklzxcvbnm

Ans 19:

Class : Class 4
THERE IS NO SOLUTION SOB HOW CAN WE UNDERSTAND

Ans 20:

Class : Class 8
There is no explanation for the answer. How do we understand sof?

Ans 21:

Class : Class 4
Air always act as Frictional force against Gravity Hence ans is B in this case

Ans 22:

Class : Class 9

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
Answer is A

Ans 2:

Class : Class 5
AAAAAAAAAAAAAAAAA!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 3:

Class : Class 7
Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Ans 4:

Class : Class 6
Admin please tell me ,how is escalator a pulley?

Ans 5:

Class : Class 5
Answer is A

Ans 6:

Class : Class 5

Ans 7:

Class : Class 6
A

Ans 8:

Class : Class 7
I

Ans 9:

Class : Class 5
Yes

Ans 10:

Class : Class 5
A

Ans 11:

Class : Class 7

Ans 12:

Class : Class 4
l

Ans 13:

Class : Class 6
A

Ans 14:

Class : Class 6

Ans 15:

Class : Class 9
the answer is A

Ans 16:

Class : Class 9
why not B all the options are levers

Ans 17:

Class : Class 5
A

Ans 18:

Class : Class 5
The answer could be both A or B because wheel barrows and screwdrivers are levers and wheel and axles

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 9
A

Ans 2:

Class : Class 9
The answer must be the option "A", as it states so "Farheen filled container X with 100 ml of water." Container Y had just a different shape, and it was also broader, so how can it be the option "C"?

Ans 3:

Class : Class 9
It should be option A- Only 1 As water is liquid, the only change that can be seen is that of the change in shape. it volume will remain the same

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
Yes, Saanvi u r right...Thanks Anamkhan

Ans 2:

Class : Class 8
i really can't understand.

Ans 3:

Class : Class 9
Thank you for the solution saanvi

Ans 4:

Class : Class 5
i dont know

Ans 5:

Class : Class 6

Ans 6:

Class : Class 7
Thanks Sanvi

Ans 7:

Class : Class 7
what is this?

Ans 8:

Class : Class 6

Ans 9:

Class : Class 6
solution pls

Ans 10:

Class : Class 8
Thanks for the solution saanvi

Ans 11:

Class : Class 9
the sum of digits of the numbers in option a,b,d comes to 29. whereas in case of option c the total is 27.hence C is the correct answerwh

Ans 12:

Class : Class 6

Ans 13:

Class : Class 9
I can not understand.

Ans 14:

Class : Class 7
Thank you saanvi

Ans 15:

Class : Class 8

Ans 16:

Class : Class 9
Thank you Sanvi

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 4
Can you please explain

Ans 2:

Class : Class 7
Areen is correct but I ticked d so I got it wrong

Ans 3:

Class : Class 9
its D

Ans 4:

Class : Class 5

Ans 5:

Class : Class 5
can you please explain me

Ans 6:

Class : Class 7

Ans 7:

Class : Class 5
very silly question! haaaaaah

Ans 8:

Class : Class 6
Option C) as it ask that what is the heart beat just stop so it means That in this point of time the heart beat is gonna decrease.

Ans 9:

Class : Class 8

Ans 10:

Class : Class 5
bruh, ques 12

Ans 11:

Class : Class 7
When we stop exercise in heart rate decreases So in the graph it will be a decline in the line so option is B

Ans 12:

Class : Class 9
U gotta explain this... d is also correct

Ans 13:

Class : Class 2
ans is c

Ans 14:

Class : Class 9
I ticked D by mistake 🙄

Ans 15:

Class : Class 4

Ans 16:

Class : Class 6
Ans is B because as in the line graph the number of heartbeats decreased in the line RS.

Ans 17:

Class : Class 9
every question is fake without solution including this one

Ans 18:

Class : Class 1
Can u please explain

Ans 19:

Class : Class 5

Ans 20:

Class : Class 5
Areem is correct

Ans 21:

Class : Class 10
Can you explain

Ans 22:

Class : Class 5

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 8
Actually D is correct but there is a typing mistake in D4th Tuesday of November 20XX = 28 November. The next day is 29 November. So D is correct not A. There is a typing mistake in D, but that does not mean D is wrong.

Ans 3:

Class : Class 4
What is this Novemberook. I think it means November Book or is it a typing mistake.

Ans 4:

Class : Class 4
They're saying after 4th tuesday that means 29 November. Novemberook could be a mistake.

Ans 5:

Class : Class 4
Novemberook ain't nothin. there is nothin' called like that but is the ans.

Ans 6:

Class : Class 7
Novemberbook is a typing error. So the ans is D because it is telling 4th Tuesday which is 28th and it is said that just after 28th so the ans is D

Ans 7:

Class : Class 5

Ans 8:

Class : Class 6
what is Novemberook?

Ans 9:

Class : Class 4
[a] is the correct answer

Ans 10:

Class : Class 5
sof please tell that what is novemberook

Ans 11:

Class : Class 4
there is nothing called NOVEMBEROOK

Ans 12:

Class : Class 5
the correct answer is d

Ans 13:

Class : Class 5

Ans 14:

Class : Class 4

Ans 15:

Class : Class 8
[d] is wrong

Ans 16:

Class : Class 9
The answer is D because they are saying AFTER 4th Tuesday of November 20XX that means 4th Tuesday is 28th November but after 28th November the date is 29th November .

Ans 17:

Class : Class 9
Novembrook could be a mistake

Ans 18:

Class : Class 7
Novemberook is a typing mistake. Everyone can see that.

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