National Science Olympiad Forum By SOF Olympiad Trainer - Page 720

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 8

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 6
a is theaa is the answer.

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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
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

Ans 2:

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.

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Subject :NSO    Class : Class 5

Ans 1:

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 2:

Class : Class 5

Ans 3:

Class : Class 9

Ans 4:

Class : Class 2

Ans 5:

Class : Class 5

Ans 6:

Class : Class 8

Ans 7:

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 8:

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

Ans 9:

Class : Class 8
I do not understand this qustion

Ans 10:

Class : Class 8

Ans 11:

Class : Class 5
All apart from c are correct

Ans 12:

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 13:

Class : Class 4
so difficult

Ans 14:

Class : Class 6

Ans 15:

Class : Class 9
How

Ans 16:

Class : Class 4

Ans 17:

Class : Class 5
FUCKU

Ans 18:

Class : Class 6
correct answer:D

Ans 19:

Class : Class 4

Ans 20:

Class : Class 5

Ans 21:

Class : Class 4
a

Ans 22:

Class : Class 1

Ans 23:

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

Ans 24:

Class : Class 9
haha

Ans 25:

Class : Class 5
can anyone tell me

Ans 26:

Class : Class 5

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

Ans 2:

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

Ans 3:

Class : Class 9

Ans 4:

Class : Class 4
what????

Ans 5:

Class : Class 5
yes the answer is tailor bird

Ans 6:

Class : Class 3
It should be a tailorbird

Ans 7:

Class : Class 5
Tailor bird that is A

Ans 8:

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

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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 8
I think all options are wrong

Ans 2:

Class : Class 9
b and c are all the same

Ans 3:

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

Ans 4:

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

Ans 5:

Class : Class 9
the options are wrong

Ans 6:

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

Ans 7:

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 8:

Class : Class 5
THE ANSWER IS WRONG.

Ans 9:

Class : Class 10
ALL ARE WRONG

Ans 10:

Class : Class 6
option d maybe

Ans 11:

Class : Class 9
wrong options

Ans 12:

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

Ans 13:

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

Ans 14:

Class : Class 9
it is wrong

Ans 15:

Class : Class 5
wrong wrong wrong wrong wrong wrong

Ans 16:

Class : Class 5
HARRY CAN YOU PLEASE EXPLAIN ME

Ans 17:

Class : Class 4
all options are wrong

Ans 18:

Class : Class 6

Ans 19:

Class : Class 6

Ans 20:

Class : Class 8

Ans 21:

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

Ans 22:

Class : Class 4
all are wrong

Ans 23:

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 24:

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

Ans 25:

Class : Class 5
ALL OPTIONS ARE WRONG

Ans 26:

Class : Class 4
All options are wrong.

Ans 27:

Class : Class 8
4wrong question

Ans 28:

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

Ans 29:

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

Ans 30:

Class : Class 9
The correct answer is C

Ans 31:

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

Ans 32:

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

Ans 33:

Class : Class 8
all options are wrong

Ans 34:

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 35:

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

Ans 36:

Class : Class 4

Ans 37:

Class : Class 4
All options are WRONG

Ans 38:

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

Ans 39:

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

Ans 40:

Class : Class 7
you are right vaibhav all are wrong

Ans 41:

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

Ans 42:

Class : Class 4
all Q are wrong

Ans 43:

Class : Class 10
PLS. CORRECT

Ans 44:

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

Ans 45:

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 46:

Class : Class 4
ansAll answers oposite

Ans 47:

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

Ans 48:

Class : Class 4
all options are wrong

Ans 49:

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 50:

Class : Class 7
please change the question.

Ans 51:

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

Ans 52:

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 53:

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

Ans 54:

Class : Class 7

Ans 55:

Class : Class 9
SOF IS MAD

Ans 56:

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

Ans 57:

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

Ans 58:

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

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
YES , C IS CORRECT @RAJVEER

Ans 2:

Class : Class 7
C

Ans 3:

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 4:

Class : Class 9
The answer is C .

Ans 5:

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

Ans 6:

Class : Class 7

Ans 7:

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

Ans 8:

Class : Class 4
Very Very Good

Ans 9:

Class : Class 4
c

Ans 10:

Class : Class 5
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC is correct

Ans 11:

Class : Class 9
c

Ans 12:

Class : Class 4
AAAAAAAAA IS RIGHT

Ans 13:

Class : Class 6
a

Ans 14:

Class : Class 9
A is correct

Ans 15:

Class : Class 5
Hoooooooooooooooooooooooooooooossssssssssssssssssssssssssssssssssssssssssssssssssss

Ans 16:

Class : Class 5

Ans 17:

Class : Class 5
C is the correct answerEveryone

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