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Aditya Arsh from Virendra Swarup Public School Cantt, Kanpur
Subject :NSO    Class : Class 8

Ans 1:

Lakshmi from DDPS, Kota
Class : Class 8
speed =frequency*wavelength so frequency is inversely proportional to wavelength so if frequency changes the wavelength will also change

Ans 2:

Lakshya Ajay Kawade from Holy Cross Kapa , Raipur
Class : Class 10
It should be option c

Ans 3:

Archi from Mothers Global School, Delhi
Class : Class 10

Ans 4:

neelu desai from bombay scottish, mumbai
Class : Class 8
both 1 and 3 should be answers

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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 3

Ans 1:

Santina Suzanne from owis, bangalore
Class : Class 4
it should be c or d but it tells b

Ans 2:

ANSHUL GAJJAR from PODAR INTERNATIONAL SCHOOL, AHMEDABAD
Class : Class 3
B

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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 3

Ans 1:

Prasanna Hegde from Vibgyor High Horomavu, BENGALURU
Class : Class 5
D

Ans 2:

Hamsini from yagappa international school, Thanjavur
Class : Class 6
d

Ans 3:

IKSHITA BARMAN from MVM-IV, Barsajai, GUWAHATI
Class : Class 9
D

Ans 4:

Nadar Toor from strawberry fields high school, chandigarh
Class : Class 3
d

Ans 5:

Advay Agarwal from Bal Bharati Public School , PITAMPURA
Class : Class 4
so answer is b

Ans 6:

Avighna Shastri from doha modern indian school, doha
Class : Class 2
d!!!!!!!!!!!!!!!!!!!!!!!!!!!!!👍🏼

Ans 7:

Nirvi Pal from jasudben ML School, mumbai
Class : Class 5
correct answer is d okkkkkkkkkkkkkkkkkkk

Ans 8:

Ram Prasanna from Basil Woods International, Hyderabad
Class : Class 3
B

Ans 9:

Hamsini from yagappa international school, Thanjavur
Class : Class 6
D

Ans 10:

Advay Agarwal from Bal Bharati Public School , PITAMPURA
Class : Class 4
handspan and footspan are a unit measuring ok

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Priyangshu Chattopadhyay from ST AGNES SCHOOL KHARAGPUR, Kharagpur
Subject :NSO    Class : Class 6

Ans 1:

AKSHAT AGRAWAL from NPS, BANGALORE
Class : Class 7

Ans 2:

Aarav Srivastav from DWPS , Noida Extension
Class : Class 7

Ans 3:

AKSHAT AGRAWAL from NPS, BANGALORE
Class : Class 7

Ans 4:

EKLAVYA GONDULE from DPS BHILAI, Bhilai
Class : Class 7

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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 3

Ans 1:

S Malhotra from SFS , New Delhi
Class : Class 5

Ans 2:

Vighnesh from DYPIS, Navi Mumbai
Class : Class 3

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Bidyashree Panda from Royal Concord International School Begur, Bangalore
Subject :NSO    Class : Class 4

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Rudra from VSPK international school sec -13 Rohini Delhi, Delhi
Subject :NSO    Class : Class 8

Ans 1:

Jayadeep Shanmugam from Sri Sri Ravishankar Vidya Mandir, Bangalore
Class : Class 8
Please give the answer to this Question.

Ans 2:

Het Aryan from Podar International School , Pune
Class : Class 9
What the heck is going on.

Ans 3:

Ruchi Sinha from DPS Gurgaon , Gurgaon
Class : Class 8
NA? what is the explanation of the answer

Ans 4:

Avanish Pandey from St Francis school , Bilaspur
Class : Class 9
The correct answer will be(a)

Ans 5:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 7
if there is no answer,then why was it considered wrong?it is not fair.

Ans 6:

Akshara from NPS, Bengaluru
Class : Class 8
Exactly.What does NA mean ??

Ans 7:

Suvan Shee from Chirec public school, Hyderabad
Class : Class 9
"NA"?.please explain the answer

Ans 8:

Tay Wen Xuan from Inspiros International School, SHAH ALAM
Class : Class 9
Please explain what NA is... I don't understand

Ans 9:

Ankit kumar Jha from Ryan International School , Ghaziabad
Class : Class 9
NA meant no answer is correct and we had to leave this one empty

Ans 10:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 9
EXPLAIN THIS PLEASEQuestion is incorrect but even after 30 (31) posts and queries no corrections...

Ans 11:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 7
what does NA mean?

Ans 12:

Avanish Pandey from St Francis school , Bilaspur
Class : Class 9

Ans 13:

Karthik Rao Varam from Bala Vidya Mandir, Chennai
Class : Class 10

Ans 14:

Saanvi from Dehli Public School , Gurugram
Class : Class 4

Ans 15:

Avyukth Radhakrishnan from TSRS, Gurgaon
Class : Class 10
NA means 'No Answer'.But the guidelines clearly state 'Mark all questions.'How is this fair?

Ans 16:

SUHANI PANDA from DE PAUL SCHOOL, BERHAMPUR
Class : Class 8
What do you mean by 'NA'?

Ans 17:

Anshuman D from MVM, Hyderabad
Class : Class 9
I understood that when I looked at the question itselfThe arrows are wrongly labelled

Ans 18:

Akshara from NPS, Bengaluru
Class : Class 8
Yes , NA means 'no answer' So , since there is no such option , anything we pick would be incorrect.

Ans 19:

Mani Gupta from Carmel Convent School, Faridabad
Class : Class 9
Please explain the answer

Ans 20:

Abhijit from saint raphael h.s. school, indore
Class : Class 6

Ans 21:

Karthik Rao Varam from Bala Vidya Mandir, Chennai
Class : Class 10

Ans 22:

Nipun Abhilash from National Public School, Banashankhari, Bangalore
Class : Class 9

Ans 23:

AANYA BARANWAL from KPS SCHOOL, bhilai
Class : Class 5
NA means no answer but what we had to do with it

Ans 24:

Ruchi Sinha from DPS Gurgaon , Gurgaon
Class : Class 8

Ans 25:

Aniket Kumar from Gyan Niketan, Patna
Class : Class 8

Ans 26:

Ashvik Banerjee from Mount Litera Zee School , Vasco
Class : Class 9
What 'NA' ? The question itself is incorrect

Ans 27:

Naveen Kumar from Gail DAV Public School, Dibiyapur
Class : Class 8
PLEASE GIVE THE ANSWER ALONG WITH EXPLANTION

Ans 28:

AKSHAJ SRIVASTAVA from MOUNT LITERA ZEE SCHOOL, Kanpur
Class : Class 9
None of the given options are correct...

Ans 29:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 7

Ans 30:

Akshara from NPS, Bengaluru
Class : Class 8
Arrows are marked wrongly...I dont think these mistakes will ever get rectified considering that people have been writing in this forum, for the past two years, for this question. please look into this sof🙂

Ans 31:

HELEN ELDHO from MAR ATHANASIUS, KOOVAPPADY
Class : Class 9
why no reply...

Ans 32:

Mridul Vashisht from St. Kabir Public School, Chandigarh
Class : Class 8
Woah how are the marks out of 60 then. People have already attempted this paper in the given year. This means an error in the paper was there that wasn't rectified...

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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 3

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Abhay Agarwal from St Francis School, Ghaziabad
Subject :NSO    Class : Class 8

Ans 1:

Nilanjana De from Delhi Public School North, Bengaluru
Class : Class 8
Can someone please explain this question?

Ans 2:

Akhil Budithi from Kennedy high the global school , Hyderabad
Class : Class 8
please explain this question.

Ans 3:

Kabir Kaushik from Elpro International School, Pune
Class : Class 8
Yes I think it is 33 also because it says it is an echo

Ans 4:

Prisha Hemchandra Lokhande from NPS Whitefield, Bangalore, Bangalore
Class : Class 8
Is the question wrong...? the answer should be 33.0 m as speed=2d/t

Ans 5:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 7
answer??????????????????????????????????????????????????????

Ans 6:

Darsh Singh from DAV, Talcher
Class : Class 8
Yes, it should be 33m as distance for an echo = s x t/2

Ans 7:

vatsal jay gandhi from new era senior secondary school, Vadodara
Class : Class 8
please explain this question.

Ans 8:

Abhay Agarwal from St Francis School, Ghaziabad
Class : Class 9

Ans 9:

Bhramana Roy from Glendale Academy International, Hyderabad
Class : Class 8
Time taken to utter single syllable=1/5th of a sSpeed of sound in air=330m s^-1 or 330m/sso distance to reflecting surface=1/5 * 330 as that will give the distance=66.0mSo, distance to reflecting surface is 66.0m

Ans 10:

Ansuman Mohanty from O.D.M.Plubic School, Bhubaneswar
Class : Class 9

Ans 11:

Abhay Agarwal from St Francis School, Ghaziabad
Class : Class 9
please explain this question

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SAYAN MONDAL from BURDWAN CMS HIGH SCHOOL, BURDWAN
Subject :NSO    Class : Class 4

Ans 1:

Rishita Sivakumar from Indian High School, Karama Dubai
Class : Class 9
the answer is d

Ans 2:

Akshat Pathak from DPS, Noida
Class : Class 4
correct answer is D

Ans 3:

Harsh Sobti from the samhita academy, BLR
Class : Class 5

Ans 4:

Manan thorat from Podar powai, Mumbai
Class : Class 4
Frog has 4 stages any of the answers are not correct

Ans 5:

Shreshta from Presidium, Ghaziabad
Class : Class 3
The answer which is given in the SOF application is wrong, because a frog has four life stages in his life stages, the correct answer must be moth because it has only three life stages in his life cycle and the parent and child do not look same,

Ans 6:

LAVANYA DADHWAL from BLOOM PUBLIC SCHOOL, South West Delhi
Class : Class 9

Ans 7:

Nakul Bhasker from National Public School Whitefield, Bangalore
Class : Class 5
THE ANSWER IS D AS FROG HAS 4 STAGES IN IT'S LIFE CYCLE ,BUT DOES NOT LOOK LIKE IT'S PARENT.WHILE,MOSQUITO HAS THREE SYTAGES IN IT'S LIFE CYCLE AND DOES NOT LOOK LIKE IT'S PARENT.I MADE THE SAME MISTAKE IN THE PREVIOUS TEST

Ans 8:

Nishchita from Gems Modern Academy , Dubai
Class : Class 8
The correct answer is C

Ans 9:

Mihika Talukdar from GARDEN HIGH, KOLKATA
Class : Class 4

Ans 10:

Krish Karthik from freedom international school, Bangalore
Class : Class 5
but frog dosnt have just 3 life stages it has 4 so its not the answer

Ans 11:

Krishna Kumari Nayak from Sai International school , Bhubaneswar
Class : Class 4
It is option B

Ans 12:

Rishita Sivakumar from Indian High School, Karama Dubai
Class : Class 9

Ans 13:

Kishore Kadiyala from NPS, BANGALORE
Class : Class 5
the answer is d as the mosquito does not look like the parent , has 3 stages of life and lays eggs while frog does not look like the adult , has 4 stages of life and lays eggs .

Ans 14:

Kishore Kadiyala from NPS, BANGALORE
Class : Class 5

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