National Science Olympiad Forum By SOF Olympiad Trainer - Page 695

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 3
its option B

Ans 2:

Class : Class 6
The answer is B

Ans 3:

Class : Class 5
b is correct

Ans 4:

Class : Class 8
B

Ans 5:

Class : Class 8
bis the right answer you mad sof

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8

Ans 2:

Class : Class 9
yeah ans is a

Ans 3:

Class : Class 8
i think the answer is A as the process X is of radiation and process Y is convection and process Z is conduction . a medium is not required in radiation . convection takes place in fluids . that is why i think the answer is option A

Ans 4:

Class : Class 3
plz correct your answer

Ans 5:

Class : Class 8
i think the answer is A as the process X is of radiation and process Y is convection and process Z is conduction . a medium is not required in radiation . convection takes place in fluids . that is why i think the answer is option A

Ans 6:

Class : Class 8

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
The answer is A

Ans 2:

Class : Class 5
answer should be B and not A ...................there must be a COMPUTING MISTAKE!!!

Ans 3:

Class : Class 7
B

Ans 4:

Class : Class 10
I am sorry to say but... he sad truth is that the answer was C.

Ans 5:

Class : Class 7

Ans 6:

Class : Class 10

Ans 7:

Class : Class 5
BBBBBBB^BBBBBBBBBBBBBBBBBB

Ans 8:

Class : Class 5

Ans 9:

Class : Class 7
No, it is A. R's liquid might absorb oxygen but how will it get CARBON DIOXIDE? So, R cannot be correct. P and W are both damp and both have air. If you read synopsis,seeds can sprout a little bit without sunlight. So, option A is correct.

Ans 10:

Class : Class 4
it should be r and w

Ans 11:

Class : Class 5

Ans 12:

Class : Class 5
Answer - P and W as moisture is needed as well as light for germination

Ans 13:

Class : Class 7
Anyone from dhanbad or delhi public school dhanbad here ?

Ans 14:

Class : Class 5
A

Ans 15:

Class : Class 7
The answer is A

Ans 16:

Class : Class 4
D

Ans 17:

Class : Class 5
The ans can also be d as the box is dark as told in the question so it does not have sunlight and will be trapped without suffient amount of air so d can also be Ans!!!!!

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 7
dear sir please give the explanation of the ans to master ans admin revisewise

Ans 3:

Class : Class 6
The correct anwer is B.

Ans 4:

Class : Class 4
B IS THE CORRET ANSWER YOU BLIND PERSON

Ans 5:

Class : Class 4

Ans 6:

Class : Class 8
The solution is saying

Ans 7:

Class : Class 8
Material B allows 500 percent light through it while material C allows 150 percent light so material B allows more light to pass through it than material C.That’s why answer D is correct.😊

Ans 8:

Class : Class 8

Ans 9:

Class : Class 8
The solution is saying it h

Ans 10: (Master Answer)

Class : Class 1
The correct answer is B.

Ans 11:

Class : Class 8
HOW IS b CORRECT ?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

Ans 12:

Class : Class 4

Ans 13:

Class : Class 8
2 answers are there🤔🤔

Ans 14:

Class : Class 6
B

Ans 15:

Class : Class 4

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Subject :NSO    Class : Class 1

Ans 1:

Class : Class 5

Ans 2: (Master Answer)

Class : Class 1
The correct answer is B. The unscrambled word comes out to be HANDPUMP.

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
Answer is option D

Ans 2:

Class : Class 8
Answer is the option D

Ans 3:

Class : Class 7
D . because it is constant and in a specific direction

Ans 4:

Class : Class 7

Ans 5:

Class : Class 7
Answer is option D.

Ans 6:

Class : Class 7
The correct answer is A

Ans 7:

Class : Class 7

Ans 8:

Class : Class 7

Ans 9:

Class : Class 7
D . because it is constant and in a specific direction

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 4
A

Ans 2:

Class : Class 5
the answer is B

Ans 3:

Class : Class 5
b b b b b b b b b b b b b b b b b b b b b b b

Ans 4:

Class : Class 8
The answer is D] Bottle opener

Ans 5:

Class : Class 8

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 5
Because iron fillings and sand can be separated as iron is heavier than sand.

Ans 2:

Class : Class 7
iron filings and sand can also be separated from winnowing

Ans 3:

Class : Class 7
pl answer i think the answer will be(i),(iii) and (iv).please check and tel me if im correct

Ans 4:

Class : Class 7
The answer is (i) and (iii) because iron filling can be separated by using magnetic separation

Ans 5:

Class : Class 7
No iron fillings and sand are heavy

Ans 6:

Class : Class 6
B

Ans 7:

Class : Class 6
B

Ans 8:

Class : Class 9

Ans 9:

Class : Class 7
checked in google sof gave right answer

Ans 10:

Class : Class 5
Even I feel answer should be option 'B'

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 5

Ans 2:

Class : Class 8
I think it is the option D because when an object is very close to a concave mirror that is its focal length, the image formed is magnified , laterally inverted and virtual .

Ans 3:

Class : Class 8

Ans 4:

Class : Class 9
I think it should be all of the above, even concave mirror shows lateral inversion.

Ans 5:

Class : Class 8
Why the answer cannot be A and B both i.e. Option D

Ans 6: (Master Answer)

Class : Class 1
The correct answer is A.

Ans 7:

Class : Class 8

Ans 8:

Class : Class 10
correct ans is option D because when an object is very close to a concave mirror that is on its focal length, the image formed is magnified , virtual, and laterally inverted.

Ans 9:

Class : Class 9
sorry convex mirror

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