National Science Olympiad Forum By SOF Olympiad Trainer - Page 791
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from ,
Subject :NSO    Class : Class 6

Ans 1:

from ,
Class :
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:

from ,
Class :
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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from ,
Subject :NSO    Class : Class 5

Ans 1:

from ,
Class :

Ans 2:

Rishika Budhiraja from TSMS Noida, Noida
Class : Class 4
so difficult

Ans 3:

Rishika Budhiraja from TSMS Noida, Noida
Class : Class 4

Ans 4:

Vihaan from K R Mangalam World School Vaishali, Ghaziabad
Class : Class 9
hjkhkrywiury4uyiyyrryeurdfieuuiufiuiukhjhwaste hamnmhj mangfeme nt lieowuioelbiruuwilruy3r73673 b7647li 764u3ilq 8oo47b ,l3iy4rbc iluryb ejkty4uqib4ucyri4k7r q4ktry srbuyeurv cyuikray4rv, kvyrbv4 yr34uq6 ivee4uiyrbueywruy4uyiuyyuyuiyiuy

Ans 5:

RC from Vibgyor, Navi Mumbai
Class : Class 10

Ans 6:

Vivaan Patra from PODAR INTERNATIONAL SCHOOL, mumbai
Class : Class 1

Ans 7:

Jeronee from Christwood School, PERUMBAKKAM
Class : Class 5
FUCKU

Ans 8:

from ,
Class :
can anyone tell me

Ans 9:

Vedanth S from Kumarans Childrens Academy, Bangalore
Class : Class 6
correct answer:D

Ans 10:

Krithi Manasvini from Alwin Memorial Public School, Chennai
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 11:

from ,
Class :

Ans 12:

Anant Saxena from Delhi public school Gandhinagar , Gandhinagar
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 13:

A Venkata Sai Pranav from Podar International School, Bhusawal
Class : Class 9
How

Ans 14:

Sunita from Dps, Greater Noida
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 15:

Sunita from Dps, Greater Noida
Class : Class 9
haha

Ans 16:

from ,
Class :
a

Ans 17:

Saanvi Prasad from DPS Noida, Noida
Class : Class 5
The correct answer is A. I wrote it wrong as D

Ans 18:

D Murari from Indian School of Excellence, Bangalore
Class : Class 9

Ans 19:

Nayanika Sadhish from CL Metha Sishya OMR, Chennai
Class : Class 10
I do not understand this qustion

Ans 20:

Kyraa Singh from dpsnoida, Noida
Class : Class 5
All apart from c are correct

Ans 21:

Akshara from NPS, Bengaluru
Class : Class 8

Ans 22:

from ,
Class :

Ans 23:

Arnav kaul from Chirec, Hyderabad
Class : Class 2

Ans 24:

SANVI ROHILLA from The little shri, Rohtak
Class : Class 5

Ans 25:

BHUVANESH2010 from MAYOOR PRIVATE SCHOOL, ABU DHABI
Class : Class 5

Ans 26:

Avighna Shastri from giis, uae
Class : Class 4

Ans 27:

SANVI ROHILLA from The little shri, Rohtak
Class : Class 5

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arijit paul from New Town School, Kolkata
Subject :NSO    Class : Class 7

Ans 1:

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

Ans 2:

from ,
Class :
A

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Debarpan Das from Delhi Public School , Durgapur
Subject :NSO    Class : Class 3

Ans 1:

SS from meridian, hyderabad
Class : Class 5
yes the answer is tailor bird

Ans 2:

Aarathy Sudhir Aarav Sudhir from Global Indian International School, Abu Dhabi
Class : Class 8
Tailor Bird 's Nest Is Made Of 2 Leaves Not Like This One Gotcha!

Ans 3:

from ,
Class :
It should be a tailorbird

Ans 4:

Ashwak from Cambridge, Jalandhar
Class : Class 9

Ans 5:

Sreenath from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Class : Class 5
Tailor bird that is A

Ans 6:

from ,
Class :
what????

Ans 7:

Diya Jasmina from Samsidh MLZS, Bengaluru
Class : Class 4
WHAT!!!!!! IT SHOULD BE (A).

Ans 8:

Ashwak from Cambridge, Jalandhar
Class : Class 9
They are right it should be [B] .

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from ,
Subject :NSO    Class : Class 8

Ans 1:

from ,
Class :
TBH2VI http://www.LnAJ7K8QSpfMO2wQ8gO.com

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from ,
Subject :NSO    Class : Class 9

Ans 1: (Master Answer)

from ,
Class :
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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from ,
Subject :NSO    Class : Class 4

Ans 1:

Deepayan Das from South Point High School, Kolkata
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 2:

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

Ans 3:

Shailaja Divakar from Chennai public school global school, London
Class : Class 6

Ans 4:

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

Ans 5:

Yaduveer Rathore from MSMS School, Jaipur
Class : Class 5
wrong wrong wrong wrong wrong wrong

Ans 6:

Mahati p from cornerstone the public school, deepthi sreenagar colony hyderabad
Class : Class 6
All the options are totally wrong, please change them

Ans 7:

VAIBHAV RAI from Cambridge Court High School, JAIPUR
Class : Class 8
I think all options are wrong

Ans 8:

sundus from salwan public school, Gurgaon
Class : Class 4
All options are WRONG

Ans 9:

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

Ans 10:

Riddhima Pandey from Chinmaya Vidyalaya, Bokaro Steel City
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 11:

Vidhya M from Vibgyor High Bannerghatta, Bangalore
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 12:

Mahati p from cornerstone the public school, deepthi sreenagar colony hyderabad
Class : Class 6

Ans 13:

Kanav Dhingra from DPS sec45, Gurgaon
Class : Class 10
PLS. CORRECT

Ans 14:

Isra Fathima from sophia high school, Bengaluru
Class : Class 7
The options given are wrong / confusing. Please clarify.

Ans 15:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5
HARRY CAN YOU PLEASE EXPLAIN ME

Ans 16:

Prerona Chatterjee from Delhi Public School North Kolkata, Kolkata
Class : Class 5
The question is wrong... and so the answer is also misleading.

Ans 17:

Tulaa Auti from Vidya valley school, pune
Class : Class 4
All are wrong. At least number of atoms should be same. So answer should be D

Ans 18:

Utkarsh Chakravarty from Pinnacle High International School, Mumbai
Class : Class 6
None of the options are correct according to my doubt.

Ans 19:

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

Ans 20:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 9
I also think that.Questions ,options, colums and answers didn't mentioned.

Ans 21:

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

Ans 22:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7
Please please please please please please please please change the question

Ans 23:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7

Ans 24:

shreyash rawat from podar international school, pune
Class : Class 8
4wrong question

Ans 25:

Saumya Asmriti from CITY MONTESSORY SCHOOL INTER COLLEGE LUCKNOW UTTAR PRADESH, Lucknow
Class : Class 4
All options are wrong.

Ans 26:

from ,
Class :
option d maybe

Ans 27:

Abhinav Kulkarni from National Centre For Excellence, Bengaluru
Class : Class 4
all Q are wrong

Ans 28:

IAMLOST from ABC, Pune
Class : Class 8

Ans 29:

monisha garg from carmel convent school sector 9 chandigarh, panchkula
Class : Class 4
all options are wrong

Ans 30:

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

Ans 31:

from ,
Class :
all are wrong

Ans 32:

from ,
Class :
please change the question.

Ans 33:

Kaashvi Sharma from Bal Bharati Public School, GRHM, New Delhi
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 34:

from ,
Class :

Ans 35:

Pratibha from Vaels billabong international, Chennai
Class : Class 5
Can somebody pls answer this question with explanation

Ans 36:

Arpit Pratap Singh from Delhi Public School Bangalore North , Bengaluru
Class : Class 7
you are right vaibhav all are wrong

Ans 37:

from ,
Class :
Options are wrong. Molecular distance should be less.

Ans 38:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The correct answer is C

Ans 39:

from ,
Class :
all options are wrong

Ans 40:

Ashwak from Cambridge, Jalandhar
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 41:

from ,
Class :
ansAll answers oposite

Ans 42:

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

Ans 43:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5
ALL OPTIONS ARE WRONG

Ans 44:

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

Ans 45:

Baibhab Tripathy from SAI INTERNATIONAL SCHOOL, BHUBANESWAR
Class : Class 7
I think al options are wrong . Please tell the correct answer

Ans 46:

AHANA BAG from DELHI PUBLIC SCHOOL JOKA SOUTH KOLKATA, KOLKATA
Class : Class 9
the options are wrong

Ans 47:

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

Ans 48:

NEEV SINGH from VISHWA BHARATI PUBLIC SCHOOL, Noida
Class : Class 8
all options are wrong

Ans 49:

Kanav Dhingra from DPS sec45, Gurgaon
Class : Class 10
ALL ARE WRONG

Ans 50:

Angshu from Dehli Public School Bangalore East, Bangalore
Class : Class 9
it is wrong

Ans 51:

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

Ans 52:

Mahadevan from KV Rubber Board Kottayam, Kottayam
Class : Class 9
b and c are all the same

Ans 53:

Shailaja Divakar from Chennai public school global school, London
Class : Class 6
All the answer is wrong. In the NSO book, it is right.

Ans 54:

Kanav Dhingra from DPS sec45, Gurgaon
Class : Class 10
question, answer and solution is wrongall the options are showing the difference on heating

Ans 55:

Vrishank Sai Anand from GEMS Modern Academy, Dubai
Class : Class 9
SOF IS MAD

Ans 56:

Prashanth from Gems Modern Academy, Dubai
Class : Class 5
SHOULD HAVE BEEN SPECIFIC WITH RESPECT TO X AND Y MARKING

Ans 57:

Prashanth from Gems Modern Academy, Dubai
Class : Class 5
THE ANSWER IS WRONG.

Ans 58:

Archit Borkar from SSVM World School, Coimbatore
Class : Class 9
wrong options

Post Your Answer

from ,
Subject :NSO    Class : Class 4

Ans 1:

Aarnav Grover from Anand Niketan Shilaj, Ahmedabad
Class : Class 9
c

Ans 2:

Baibhab Tripathy from SAI INTERNATIONAL SCHOOL, BHUBANESWAR
Class : Class 7

Ans 3:

Gurnoor from Chitkara International School, Chandigarh
Class : Class 5
c

Ans 4:

Alisha from Delhi Public School , bopal, Ahemdabad
Class : Class 8
C is right and correct ,and if isnt tell me hhhhhhhhhhhhhhhooooooooooooooooooooowwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwHOW?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????/

Ans 5:

Soorya Tej R from Delhi Public School, Hyderabad
Class : Class 6
a

Ans 6:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC is correct

Ans 7:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5

Ans 8:

SIDDHARTH SOMANI from Vibgyor High, Mumbai
Class : Class 5
C is the correct answerEveryone

Ans 9:

Shreeraj from ISWK, Muscat, Muscat
Class : Class 4
Very Very Good

Ans 10:

Arnesh from DPS Mathura Road , New Delhi
Class : Class 7
C

Ans 11:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The answer is C .

Ans 12:

Rajveer Santosh Mulik from Rims International School, Pune
Class : Class 4
YES , C IS CORRECT @RAJVEER

Ans 13:

from ,
Class :
AAAAAAAAA IS RIGHT

Ans 14:

Baibhab Tripathy from SAI INTERNATIONAL SCHOOL, BHUBANESWAR
Class : Class 7
I think the ‘A’ is the right answer

Ans 15:

Diyaa Wahi from GDGps Vasant Kunj, Delhi
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 16:

Saani from Cambridge School, Mangalore
Class : Class 9
A is correct

Ans 17:

Shrihan Koley from Kairali School, Ranchi
Class : Class 6
Hoooooooooooooooooooooooooooooossssssssssssssssssssssssssssssssssssssssssssssssssss

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from ,
Subject :NSO    Class : Class 2

Post Your Answer

from ,
Subject :NSO    Class : Class 5

Ans 1:

SRIJITA MURMU from DPS Joka, Kolkata
Class : Class 7
4km

Ans 2:

R K Madhav from Kendriya Vidhyalaya Kottayam, Kottayam
Class : Class 7
4 km

Ans 3:

from ,
Class :
answer will be d 4 kilo meters

Ans 4:

from ,
Class :

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