National Science Olympiad Forum By SOF Olympiad Trainer - Page 720

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 6
a is theaa is the answer.

Ans 2:

Class : Class 4
The answer is D as the pictures given have different hazards.

Ans 3:

Class : Class 8
a is the answer

Ans 4:

Class : Class 8

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
I think it's option (C) as plastic bags are harmful for environment.

Ans 2:

Class : Class 8
I think it's option (C) as plastic bags are harmful for environment.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
Water absorbed from roots of plants is trasported to leaves of plant. excess water escapes into atmosphere in the process of traspiration which forms clouds and thus help in raining.

Ans 2:

Class : Class 8
because when we plant a tree , it absorb water from the soil and sun absorb water from leaf and in sky it made cloud and rain occur

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
The correct answer is A. I wrote it wrong as D

Ans 2:

Class : Class 9
How

Ans 3:

Class : Class 9

Ans 4:

Class : Class 9
hjkhkrywiury4uyiyyrryeurdfieuuiufiuiukhjhwaste hamnmhj mangfeme nt lieowuioelbiruuwilruy3r73673 b7647li 764u3ilq 8oo47b ,l3iy4rbc iluryb ejkty4uqib4ucyri4k7r q4ktry srbuyeurv cyuikray4rv, kvyrbv4 yr34uq6 ivee4uiyrbueywruy4uyiuyyuyuiyiuy

Ans 5:

Class : Class 8

Ans 6:

Class : Class 4
so difficult

Ans 7:

Class : Class 6
correct answer:D

Ans 8:

Class : Class 8

Ans 9:

Class : Class 6

Ans 10:

Class : Class 4

Ans 11:

Class : Class 8
I do not understand this qustion

Ans 12:

Class : Class 4
a

Ans 13:

Class : Class 9
the simplest solution is there there are two magnets so only 1 or 0 gaps should be there... in a: there are two gaps so a is the answer .. on the other hand look at the textures

Ans 14:

Class : Class 5

Ans 15:

Class : Class 4

Ans 16:

Class : Class 5

Ans 17:

Class : Class 7
As there are 2 magnets and 2 non magnet rings, only one space can be obtained between the 2 magnets with similar poles repelling each other. Option A shows two spaces between rings. This configuration is not possible.

Ans 18:

Class : Class 5

Ans 19:

Class : Class 5
FUCKU

Ans 20:

Class : Class 2

Ans 21:

Class : Class 5
can anyone tell me

Ans 22:

Class : Class 5
All apart from c are correct

Ans 23:

Class : Class 9
HOME Test ReviewForce Work and Energy0 : 5 : 9 / 0 : 40Time Taken20 / 20Marks ObtainedAll Correct Wrong Unattemted1.Your Answer B Correct Answer B View this question on ForumSolutionReport Error Marks: 12.Your Answer D Correct Answer D View this question on ForumReport Error Marks: 13.Your Answer C Correct Answer C View this question on ForumSolutionReport Error Marks: 14.Your Answer D Correct Answer D View this question on ForumSolutionReport Error Marks: 15.Your Answer B Correct Answer B View this question on ForumSolutionReport Error Marks: 16.Your Answer D Correct Answer D View this question on ForumSolutionReport Error Marks: 17.Your Answer C Correct Answer C View this question on ForumSolutionReport Error Marks: 18.Your Answer C Correct Answer C View this question on ForumReport Error Marks: 19.Your Answer B Correct Answer B View this question on ForumSolutionReport Error Marks: 110.Your Answer C Correct Answer C View this question on ForumSolutionReport Error Marks: 111.Your Answer B Correct Answer B View this question on ForumSolutionReport Error Marks: 112.Your Answer A Correct Answer A View this question on ForumSolutionReport Error Marks: 113.Your Answer A Correct Answer A View this question on ForumSolutionReport Error Marks: 114.Your Answer B Correct Answer B View this question on ForumReport Error Marks: 115.Your Answer A Correct Answer A View this question on ForumSolutionReport Error Marks: 116.Your Answer B Correct Answer B View this question on ForumSolutionReport Error Marks: 117.Your Answer D Correct Answer D View this question on ForumSolutionReport Error Marks: 118.Your Answer D Correct Answer D View this question on ForumReport Error Marks: 119.Your Answer A Correct Answer A View this question on ForumReport Error Marks: 120.Your Answer A Correct Answer A View this question on ForumSolutionReport Error Marks: 1

Ans 24:

Class : Class 5

Ans 25:

Class : Class 9
haha

Ans 26:

Class : Class 1

Ans 27:

Class : Class 2

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
The answer should be C because during the last 10 seconds [ 40 second ] the distance is 10 meter not 5 meter.

Ans 2:

Class : Class 7
A

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 5
yes the answer is tailor bird

Ans 2:

Class : Class 9
They are right it should be [B] .

Ans 3:

Class : Class 9

Ans 4:

Class : Class 3
It should be a tailorbird

Ans 5:

Class : Class 4
WHAT!!!!!! IT SHOULD BE (A).

Ans 6:

Class : Class 7
Tailor Bird 's Nest Is Made Of 2 Leaves Not Like This One Gotcha!

Ans 7:

Class : Class 4
what????

Ans 8:

Class : Class 5
Tailor bird that is A

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 10
TBH2VI http://www.LnAJ7K8QSpfMO2wQ8gO.com

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Subject :NSO    Class : Class 9

Ans 1: (Master Answer)

Class : Class 1
Alpha, Beta, Gamma in ascending order.

Alpha particles leaves the nucleus of an unstable atom at a speed of 16,000 kilometres per second, around a tenth the speed of light.
Beta particles travel at a speed of 270,000 kilometres per second, around 98% of speed of light.
Gamma particles travel at the speed of light.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
When a substance is cooled the molecules come closer. But there is no picture showing that the molecules are coming closer there is no correct answer. Also option B and C are the same. Can you please change it?

Ans 2:

Class : Class 5
I have by mistake typed it Co sorry it will be C. I have a solution we can report error.

Ans 3:

Class : Class 4
how can liquid turn into gas by freezing ? Option A does the same thing so the correct option should be D

Ans 4:

Class : Class 4
all are wrong

Ans 5:

Class : Class 7
you are right vaibhav all are wrong

Ans 6:

Class : Class 7
Please please please please please please please please change the question

Ans 7:

Class : Class 9
The correct answer is C

Ans 8:

Class : Class 5
HARRY CAN YOU PLEASE EXPLAIN ME

Ans 9:

Class : Class 5
B and Co are same. Intermolecular space is not decreasing in any of the situations. It is wrong.

Ans 10:

Class : Class 7
I think al options are wrong . Please tell the correct answer

Ans 11:

Class : Class 5
wrong wrong wrong wrong wrong wrong

Ans 12:

Class : Class 5
THE ANSWER IS WRONG.

Ans 13:

Class : Class 3
I agree with Harry , 1 B AND C ARE NOT THE SAME. 2 When liquid is cooled down it forms solid, SO THE ONLY ANSWER IS CCCC

Ans 14:

Class : Class 7

Ans 15:

Class : Class 5
The question is wrong... and so the answer is also misleading.

Ans 16:

Class : Class 10
PLS. CORRECT

Ans 17:

Class : Class 4
ansAll answers oposite

Ans 18:

Class : Class 4
Please change it. It is correct in NSO book like Harish Divakar said

Ans 19:

Class : Class 8
I think all options are wrong

Ans 20:

Class : Class 4
is there a correction in the options given?if not please clarify with explanation

Ans 21:

Class : Class 5
Can somebody pls answer this question with explanation

Ans 22:

Class : Class 6
option d maybe

Ans 23:

Class : Class 9
b and c are all the same

Ans 24:

Class : Class 8
4wrong question

Ans 25:

Class : Class 9
SOF IS MAD

Ans 26:

Class : Class 4
All are wrong. At least number of atoms should be same. So answer should be D

Ans 27:

Class : Class 6
Options are wrong. Molecular distance should be less.

Ans 28:

Class : Class 6
All the answer is wrong. In the NSO book, it is right.

Ans 29:

Class : Class 9
wrong options

Ans 30:

Class : Class 9
The question , answer and the solution are all correct … Vrishank don't say that the SOF is mad ( I think you are mad ) you are a FOOL

Ans 31:

Class : Class 9
the options are wrong

Ans 32:

Class : Class 4
All options are wrong.

Ans 33:

Class : Class 5
SHOULD HAVE BEEN SPECIFIC WITH RESPECT TO X AND Y MARKING

Ans 34:

Class : Class 9
I also think that.Questions ,options, colums and answers didn't mentioned.

Ans 35:

Class : Class 7
please change the question.

Ans 36:

Class : Class 6

Ans 37:

Class : Class 5
Options are wrong. Molecular distance should be less. first fix which column is X and Y.

Ans 38:

Class : Class 7
The options given are wrong / confusing. Please clarify.

Ans 39:

Class : Class 6

Ans 40:

Class : Class 4
all options are wrong

Ans 41:

Class : Class 10
ALL ARE WRONG

Ans 42:

Class : Class 6
None of the options are correct according to my doubt.

Ans 43:

Class : Class 4
all Q are wrong

Ans 44:

Class : Class 4
Qtn. agreed but main point is which is column X and which is column is Y??????

Ans 45:

Class : Class 4
Please explain the answer. I also support Baibhab that the choices given are wrong.

Ans 46:

Class : Class 10
question, answer and solution is wrongall the options are showing the difference on heating

Ans 47:

Class : Class 6
There is no specific details about which one is X or Y.So by common sense I think that it would be D.But B

Ans 48:

Class : Class 6
All the options are totally wrong, please change them

Ans 49:

Class : Class 4
all options are wrong

Ans 50:

Class : Class 4
Are B, C, D correct.

Ans 51:

Class : Class 4
Option b, c are the same. Pls give me a proper explanation as to why one option is correct

Ans 52:

Class : Class 4
All options are WRONG

Ans 53:

Class : Class 8
if an object is cooled down the molecule structure changes from loosely packed to tightly packed. therefore none of the options is correct

Ans 54:

Class : Class 5
ALL OPTIONS ARE WRONG

Ans 55:

Class : Class 9
it is wrong

Ans 56:

Class : Class 8
all options are wrong

Ans 57:

Class : Class 4

Ans 58:

Class : Class 8

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
c

Ans 2:

Class : Class 5
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC is correct

Ans 3:

Class : Class 9
A is correct

Ans 4:

Class : Class 9
c

Ans 5:

Class : Class 4
Very Very Good

Ans 6:

Class : Class 6
a

Ans 7:

Class : Class 4
C IS THE CORRECT ANS AS BOTH CLEAR PLASTIC SHEET AND TRACING PAPER ARE BOTH TRANSLUCENT AND HENCE ALLOWING EQUAL AMOUNT OF LIGHT TO PASS THROUGH.

Ans 8:

Class : Class 5
Hoooooooooooooooooooooooooooooossssssssssssssssssssssssssssssssssssssssssssssssssss

Ans 9:

Class : Class 9
The answer is C .

Ans 10:

Class : Class 5

Ans 11:

Class : Class 5
C is the correct answerEveryone

Ans 12:

Class : Class 4
AAAAAAAAA IS RIGHT

Ans 13:

Class : Class 8
C is right and correct ,and if isnt tell me hhhhhhhhhhhhhhhooooooooooooooooooooowwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwHOW?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????/

Ans 14:

Class : Class 7
I think the ‘A’ is the right answer

Ans 15:

Class : Class 4
YES , C IS CORRECT @RAJVEER

Ans 16:

Class : Class 7

Ans 17:

Class : Class 7
C

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