National Science Olympiad Forum By SOF Olympiad Trainer - Page 653

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 9
It is not D!!!! It is A!!!!

Ans 3:

Class : Class 7
The figure shown is a SEED DRILL. See the solution

Ans 4:

Class : Class 9
Even I think it is a plough

Ans 5:

Class : Class 9

Ans 6:

Class : Class 5
D wrong wrong A right right. Every one who feels so please use the option 'Report An Error'

Ans 7:

Class : Class 5
In the internet there is no picture of a seed drill in this shape. I myself went wrong by clicking A which I still support.

Ans 8:

Class : Class 6
it's D as a seeder plough is given in the picture

Ans 9:

Class : Class 5
The correct answer is A !!! Not D !!! As the given figure is a plough.

Ans 10:

Class : Class 6
Correct answer should be A

Ans 11:

Class : Class 7
Answer should be 'A' because it is a plough

Ans 12:

Class : Class 7
the correct answer is "A"

Ans 13:

Class : Class 6

Ans 14:

Class : Class 6
This is a traditional seed drill

Ans 15:

Class : Class 5
The correct answer id D as the figure given is a seed drill

Ans 16:

Class :
C

Ans 17:

Class : Class 4
wrong answer the tool is used for ploughing

Ans 18:

Class : Class 7
AAAAAAAAAAAAAAAAAAAAA

Ans 19:

Class : Class 7
A

Ans 20:

Class : Class 9
The ans is A

Ans 21:

Class : Class 3
A

Ans 22:

Class : Class 4

Ans 23:

Class : Class 10
The answer is A

Ans 24:

Class : Class 7
Aaaa

Ans 25:

Class : Class 9
!!? The answer is A

Ans 26:

Class : Class 9
Answer should be A. This is the image of a plough, there is no part that belongs to seed drill in this image. Requesting the expert to please solve our doubt with reason ASAP.

Ans 27:

Class : Class 9
It is not D!!!!!!It is A☹️☹️

Ans 28:

Class : Class 5
AAAAA

Ans 29:

Class : Class 6
The answer should be A. It is a plough.

Ans 30:

Class : Class 5

Ans 31:

Class : Class 5
it can be a or d because it is used to dig soil to put the seed

Ans 32:

Class : Class 9
Seriously nobody from Singapore??

Ans 33:

Class : Class 8
The answer should be A.

Ans 34:

Class : Class 5
I think that the answer should be A because this is a plough which helps in digging soil.

Ans 35:

Class : Class 6
Dushyant, search Indian plough on google and you will get the correct answer

Ans 36:

Class : Class 6
I think its A

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
answer C, as there are 3 pairs ON, DE and RS

Ans 2:

Class : Class 8
I am completely shocked. How can SOF make such errors in almost every subject!? There are ONLY 3 pairs in the question which have the same number of letters as in the alphabet: ON, DE and RS. There is no fourth pair in the image. Therefore, the answer should be Option C and not Option D. I request SOF to PLEASE RECTIFY THE ERRORS.

Ans 3:

Class : Class 10

Ans 4:

Class : Class 7

Ans 5:

Class : Class 4
There are only 3 pairs

Ans 6:

Class : Class 7

Ans 7:

Class : Class 10

Ans 8:

Class : Class 8

Ans 9:

Class : Class 7
Only 3 pairs are there.

Ans 10:

Class : Class 4
there are only 3 pairs

Ans 11:

Class : Class 8
The correct answer should be c as there are 3 pairs onlyON , DE , RS

Ans 12:

Class : Class 8
THERE ARE ONLY 3 PAIRS NOT 4......

Ans 13:

Class : Class 8
c should be the right answer

Ans 14:

Class : Class 8
yes there are only three pairs but it is showing four that is wrong

Ans 15:

Class : Class 7
answer C, as there are 3 pairs ON, DE and RS

Ans 16:

Class : Class 2

Ans 17:

Class : Class 7
C

Ans 18:

Class : Class 7

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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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Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

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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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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 4
The correct option is D

Ans 2:

Class : Class 5
D option is the correct answer. Hope it helps.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8
The correct answer is A(D).

Ans 2:

Class : Class 5
c

Ans 3:

Class : Class 9

Ans 4:

Class : Class 6
Please tell me how is it D

Ans 5:

Class : Class 9
the ans is C

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Subject :NSO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1

Venus is the hottest planet in the solar system. Although Venus is not closest to the sun, its dense atmosphere traps heat. As a result, temperatures on Venus are higher than the temperature on Mars.


Ans 2:

Class : Class 5
Correct

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Subject :NSO    Class : Class 6

You are standing upright in a room in front of a vertical mirror. In this mirror, you can see from your position, only the upper two-third part of your body. You wish to see the full image of your body in the mirror. Which combination of the following three courses of action will achieve this?
I. Move away from the mirror
II. Move towards the mirror
III. Use a mirror whose height will allow you to see your full image

A I only
B II only
C III only
D Either I or III


How come it is only option C and not D ?

Ans 1:

Class : Class 10
The answer can be c according to the size of the mirror. As the size is not mentioned , I think that the answer should be d.....

Ans 2:

Class : Class 3
soumyaraj nice effort to explain lol 😆

Ans 3:

Class : Class 1
It should be D!!

Ans 4:

Class : Class 1
d is the answer. idk why they have marked it wrong

Ans 5:

Class : Class 10
Hey!!!!! Not fair it should be D!!!

Ans 6:

Class : Class 8
Come on SOF this is not fair please make this right this has been pointed out 4 years back

Ans 7:

Class : Class 9
ddddddddddddddwhy has sof given the answer c??

Ans 8:

Class : Class 6
its the fourth mistake so far come on sof its d

Ans 9:

Class : Class 6
d IS THE ANSWER

Ans 10:

Class : Class 9
Excuse me, but I think that the answer should be D , Contrary to the answer key given.

Ans 11:

Class : Class 6
The answer is D.

Ans 12:

Class : Class 6
It's D for heaven's sake THEY CAN'T MAKE IT PROPERLY THEY SHOULDN'T MAKE IT. As you can see the light reflects from the mirror but avoids the eye how will you see the object

Ans 13:

Class : Class 10
it is d

Ans 14:

Class : Class 6
i just tried the experiments

Ans 15:

Class : Class 7
But I think it'd be d

Ans 16:

Class : Class 8
it is d it is d

Ans 17:

Class : Class 5
Answer should be D as you can see your full self even after you move back.

Ans 18:

Class : Class 6
answer is d

Ans 19:

Class : Class 7
........Z?

Ans 20:

Class : Class 10
I think that the correct option should be D

Ans 21:

Class : Class 5
Try standing in front of a mirror where only two-thirds of your body is visible. You will find it quite impossible to see the whole of yourself, even by moving away. that's why the answer is option c only.

Ans 22:

Class : Class 6
answer will be D

Ans 23:

Class : Class 2

Ans 24:

Class : Class 6
the awnswer is D as the rays of light must fall on the eye to form an image also in option C the rays of light are not in the correct answer. Hope to see sof fix this soon!

Ans 25:

Class : Class 10
Atul Sanjeev can you say the reason

Ans 26:

Class : Class 7
Ishika you are wrong. Try it yourself. When you move away from the mirror, it obviously will show more. And do not worry everyone, because it is just a printing mistake. And the answer is D. No matter what happens. It is only D. And, there is a sof account whose name is admin and he always answers computer questions correctly. He is appointed by sof only. All of his answers are called master answers. I think this is not fair. If you do not like that admin of sof, comment below. Thank you. Bye!

Ans 27:

Class : Class 9
HOW IN THE WORLD IS IT C??????It is B. Come on SOF try it yourself.

Ans 28:

Class : Class 6
the answer is D

Ans 29:

Class : Class 6
dddd!!!!

Ans 30:

Class : Class 5

Ans 31:

Class : Class 9
Ans is C

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

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