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aryan vir from lotusvalley international school gurugram, Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

Ronav Kerkar from Jamnabai Narsee School, Mumbai
Class : Class 7
why not d

Ans 2:

Abhiroop Batabyal from Kennedy High the global school, Hyderabad
Class : Class 8
Option D : (ii), (i), (iv), (iii), (v)

Ans 3:

Hritvi from Podar International School, Mumbai
Class : Class 7
Correct Answer- D

Ans 4:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option d

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aryan vir from lotusvalley international school gurugram, Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Class : Class 10

Ans 2:

somesh from Centre point katol road, Nagpur
Class : Class 6

Ans 3:

shaurya aggarwal from scholars rosary senior secondary school, rohtak
Class : Class 9
difficult

Ans 4:

Shreyansh Gupta from MVN, faridabad
Class : Class 7

Ans 5:

Harshit from Montfort , Delhi
Class : Class 7
what the heck

Ans 6:

Devavrat Sharma from Podar International School Powai, Mumbai
Class : Class 7
explaination please

Ans 7:

TEJASWANI from TIME SCHOOL, HYDERABAD
Class : Class 7
stupid

Ans 8:

Thomas from ,
Class : Class 7
Explain please

Ans 9:

somesh from Centre point katol road, Nagpur
Class : Class 6
Ans should be a

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aryan vir from lotusvalley international school gurugram, Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

Midhuna from ABCD, Banglore
Class : Class 3
find incorrect option not correct

Ans 2:

Aarushi Chaubey from Teoler High School, Jaipur
Class : Class 8
the answer (a) not (d)

Ans 3:

Vihaan Agrawal from Lotus Valley International School, Gurgaon
Class : Class 7
it can also be B

Ans 4:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9
The answer should be 'B'

Ans 5:

Hprakash09 from Billabong high Bhopal, Bhopal
Class : Class 7
the answer is (A) and not (D)

Ans 6:

Bhavtosh Tripathi from Maneckji Cooper Education Trust School, Mumbai
Class : Class 9
The answer is A and not D since the terminals of the battery are not connected in a proper way.

Ans 7:

Shubhangi Pathak from Lilavatibai Podar High School, Mumbai
Class : Class 8
Guys, the question says to find the incorrect option not correct one!

Ans 8:

IAMLOST from ABC, Pune
Class : Class 8

Ans 9:

Sargah Surya from bgsnps, Bengaluru
Class : Class 4
They have asked incorrect. Even I went wrong here

Ans 10:

Basundhara Ghosh from Birla High School Mukundapur , Kolkata
Class : Class 7
Answer is B not D

Ans 11:

ansh rai from delhi public school, Bhilai
Class : Class 4
Answer is a not d

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Swarnavo from Reso, Kota
Subject :NSO    Class : Class 7

Ans 1:

Bhumi Chheda from SVKM J V Parekh International School, Mumbai
Class : Class 9
i am not sure if it is A or C

Ans 2:

Hritvi from Podar International School, Mumbai
Class : Class 7
Option C is the correct answer as the silvered walls of the thermo flask helps the liquid to sustain its form by reflecting the heat by Radiation (Heat that does not need any medium to travel unlike conduction and convection.)

Ans 3:

shashwat pandey from Doon International School Dalanwala, Dehradun
Class : Class 8
In my opinoin A is corrcect beacuse silvered wall is a solid thing and solid thing get's heat through the process of conduction.

Ans 4:

Soumyajit Roy from Delhi Public School Jamnagar, Jamnagar
Class : Class 9

Ans 5:

Anagha s Karnis from vijaya vittala vidyashala, MYSORE
Class : Class 8
Option c is the correct answer, because if at all any cold material is stored in the flask, then the liquid becomes hot due to the heat of the sun. Hence it is used to reflect the radiation from the sun

Ans 6:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option c

Ans 7:

Kartik Saxena from Mercy Memorial School, Kanpur
Class : Class 7
A

Ans 8:

AISHA from K.V.No.-1,A.F.S.,SEC.-14, GURUGRAM
Class : Class 10
OPTION C IS CORRECT ANSWER.

Ans 9:

Kartik Saxena from Mercy Memorial School, Kanpur
Class : Class 7
A is the correct answer

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Avinash Mishra from Central Hindu School, Gorakhpur
Subject :NSO    Class : Class 10

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Arav Singh from Jyoti Niketan School, Azamgarh
Subject :NSO    Class : Class 5

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Raghav Tyagi from birla vidya niketan, new delhi
Subject :NSO    Class : Class 8

Ans 1:

Jaidev Chowdhary from Shamrock International School, VIJAYAWADA
Class : Class 8

Ans 2:

Bipasana from KV IIT Kanpur, Kanpur
Class : Class 9
It IS A.

Ans 3:

Nilanjana De from Delhi Public School North, Bengaluru
Class : Class 8
Can someone please explain why the answer is A?

Ans 4:

AAshutosh Jindal from HOLY angels school, RAJPURA
Class : Class 8
D

Ans 5:

Student from School, City
Class : Class 8
Explain with diagram in the solution.

Ans 6:

Ayush Chauhan from Modern Public School, Bhiwadi
Class : Class 9

Ans 7:

AAshutosh Jindal from HOLY angels school, RAJPURA
Class : Class 8
D

Ans 8:

Venya from CHIREC International, Hyderabad
Class : Class 9
I don't understand how it is A. Both the wheels move in the same direction. It can't be C as the wheels are moving in the forward direction hence it is none of the above.

Ans 9:

Paarth Vashistha from Kunskapsskolan Gurgaon , Gurgaon
Class : Class 8
How will the bicycle move if one wheel is moving forward and other backward ?

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SOMDATTA BHATTACHARYA from Delhi Public School, Dhaligaon, Bongaigaon
Subject :NSO    Class : Class 4

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Arundhathi from NATIONAL PUBLIC SCHOOL, CHENNAI
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
Yes!!

Ans 2:

Himanshu Tiwari from Billabong High International School, Bhopal
Class : Class 4
Yes they do.

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Pranesh Sathish Kumar from Diya Academy of learning, Bengaluru
Subject :NSO    Class : Class 7

Ans 1:

Ritesh Narayan Das from Adamas International School, Kolkata
Class : Class 10
R

Ans 2:

Ved prajapati from Adani Vidya Mandir , Ahmedabad
Class : Class 8
(a)p

Ans 3:

Ashwin Shridhar from Vidyashilp Academy, Bangalore
Class : Class 9
R

Ans 4:

Kartik Saxena from Mercy Memorial School, Kanpur
Class : Class 7
I will go with A

Ans 5:

Kartik Saxena from Mercy Memorial School, Kanpur
Class : Class 7
I will go with A

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