National Science Olympiad Forum By SOF Olympiad Trainer - Page 688

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 10

Ans 2:

Class : Class 9
you need to give what snake. anaconda or python can easily eat an eagle.

Ans 3:

Class : Class 7
The food chain does not start from an autotroph ( first mistake ).A Snake can not eat an Eagle ( second mistake )

Ans 4:

Class : Class 8
how are there 2 mistakes ?The snakes(pythons ,cobras ,etc ) can eat an eagle if they can catch one, that is what google states.

Ans 5:

Class : Class 9

Ans 6:

Class : Class 8
exactly how are thier two mistakes

Ans 7:

Class : Class 10
How are there two mistakes??

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 4

Ans 2:

Class : Class 6
Correct answer should be A

Ans 3:

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

Ans 4:

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

Ans 5:

Class : Class 10

Ans 6:

Class : Class 5

Ans 7:

Class : Class 7
Aaaa

Ans 8:

Class : Class 9
!!? The answer is A

Ans 9:

Class : Class 7
AAAAAAAAAAAAAAAAAAAAA

Ans 10:

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

Ans 11:

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

Ans 12:

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

Ans 13:

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 14:

Class : Class 10
The answer is A

Ans 15:

Class : Class 9
Even I think it is a plough

Ans 16:

Class : Class 5

Ans 17:

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

Ans 18:

Class : Class 9
Seriously nobody from Singapore??

Ans 19:

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

Ans 20:

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 21:

Class : Class 8
The answer should be A.

Ans 22:

Class : Class 5
AAAAA

Ans 23:

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

Ans 24:

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

Ans 25:

Class : Class 9
The ans is A

Ans 26:

Class : Class 6

Ans 27:

Class : Class 6
This is a traditional seed drill

Ans 28:

Class : Class 7
A

Ans 29:

Class : Class 3
A

Ans 30:

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

Ans 31:

Class : Class 9
D wrong wrong A right right. Every one who feels so please use the option 'Report An Error'

Ans 32:

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

Ans 33:

Class :
C

Ans 34:

Class : Class 7
the correct answer is "A"

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 4
There are only 3 pairs

Ans 3:

Class : Class 10

Ans 4:

Class : Class 4
there are only 3 pairs

Ans 5:

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

Ans 6:

Class : Class 7

Ans 7:

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

Ans 8:

Class : Class 7
Only 3 pairs are there.

Ans 9:

Class : Class 7

Ans 10:

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 11:

Class : Class 8
c should be the right answer

Ans 12:

Class : Class 10

Ans 13:

Class : Class 8

Ans 14:

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

Ans 15:

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

Ans 16:

Class : Class 7
C

Ans 17:

Class : Class 7

Ans 18:

Class : Class 2

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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 9
the ans is C

Ans 2:

Class : Class 6
Please tell me how is it D

Ans 3:

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

Ans 4:

Class : Class 9

Ans 5:

Class : Class 5
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

Ans 1:

Class : Class 8
it is d it is d

Ans 2:

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

Ans 3:

Class : Class 10
Excuse me, but I think that the answer should be D , Contrary to the answer key given.

Ans 4:

Class : Class 9
Ans is C

Ans 5:

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

Ans 6:

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

Ans 7:

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

Ans 8:

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

Ans 9:

Class : Class 6
the answer is D

Ans 10:

Class : Class 6
The answer is D.

Ans 11:

Class : Class 5

Ans 12:

Class : Class 3
soumyaraj nice effort to explain lol 😆

Ans 13:

Class : Class 9
Come on SOF this is not fair please make this right this has been pointed out 4 years back

Ans 14:

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 15:

Class : Class 6
answer is d

Ans 16:

Class : Class 4
Hey!!!!! Not fair it should be D!!!

Ans 17:

Class : Class 6
i just tried the experiments

Ans 18:

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 19:

Class : Class 10
it is d

Ans 20:

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 21:

Class : Class 6
dddd!!!!

Ans 22:

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

Ans 23:

Class : Class 1
It should be D!!

Ans 24:

Class : Class 6
d IS THE ANSWER

Ans 25:

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

Ans 26:

Class : Class 7
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 27:

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 28:

Class : Class 2

Ans 29:

Class : Class 6
answer will be D

Ans 30:

Class : Class 10
Atul Sanjeev can you say the reason

Ans 31:

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

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