National Science Olympiad Forum By SOF Olympiad Trainer - Page 489
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 3

Ans 1:

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

Ans 2:

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

Post Your Answer

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

Ans 1:

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

Ans 2:

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

Ans 3:

Hamsini from yagappa international school, Thanjavur
Class : Class 5
D

Ans 4:

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

Ans 5:

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

Ans 6:

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

Ans 7:

Hamsini from yagappa international school, Thanjavur
Class : Class 5
d

Ans 8:

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

Ans 9:

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

Ans 10:

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

Post Your Answer

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

Ans 1:

EKLAVYA GONDULE from DPS BHILAI, Bhilai
Class : Class 7

Ans 2:

AKSHAT AGRAWAL from NPS, BANGALORE
Class : Class 7

Ans 3:

AKSHAT AGRAWAL from NPS, BANGALORE
Class : Class 7

Ans 4:

Aarav Srivastav from DWPS , Noida Extension
Class : Class 7

Post Your Answer

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

Ans 1:

Vighnesh from DYPIS, Navi Mumbai
Class : Class 3

Ans 2:

S Malhotra from SFS , New Delhi
Class : Class 5

Post Your Answer

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

Post Your Answer

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

Ans 1:

ARNAV BARANWAL from KPS SCHOOL, bhilai
Class : Class 4
NA means no answer but what we had to do with it

Ans 2:

Ruchi Sinha from DPS Gurgaon , Gurgaon
Class : Class 8

Ans 3:

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

Ans 4:

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

Ans 5:

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

Ans 6:

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 7:

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

Ans 8:

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 9:

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

Ans 10:

Aniket Kumar from Gyan Niketan, Patna
Class : Class 8

Ans 11:

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

Ans 12:

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

Ans 13:

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 14:

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...

Ans 15:

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

Ans 16:

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 17:

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 18:

Saanvi from Dehli Public School , Gurugram
Class : Class 4

Ans 19:

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

Ans 20:

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

Ans 21:

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

Ans 22:

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

Ans 23:

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

Ans 24:

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 25:

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

Ans 26:

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

Ans 27:

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

Ans 28:

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

Ans 29:

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

Ans 30:

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

Ans 31:

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

Ans 32:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 7

Post Your Answer

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

Post Your Answer

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

Ans 1:

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

Ans 2:

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

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:

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

Ans 5:

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

Ans 6:

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 7:

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

Ans 8:

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

Ans 9:

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 10:

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

Ans 11:

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

Post Your Answer

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

Ans 1:

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 2:

Mihika Talukdar from GARDEN HIGH, KOLKATA
Class : Class 4

Ans 3:

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

Ans 4:

Kishore Kadiyala from NPS, BANGALORE
Class : Class 5

Ans 5:

LAVANYA DADHWAL from BLOOM PUBLIC SCHOOL, South West Delhi
Class : Class 8

Ans 6:

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

Ans 7:

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

Ans 8:

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 9:

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

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:

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

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:

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

Post Your Answer

Chiranjib kar from MOUNT LITERA ZEE SCHOOL, JAJPUR
Subject :NSO    Class : Class 5

Ans 1:

Swastik Srivastava from Baldwin Boys High School, Bangalore
Class : Class 5
ans is B

Ans 2:

S A ANIRUDH from S B O A SCHOOL AND JUNIOR COLLEGE, CHENNAI
Class : Class 5
Answer is C

Ans 3:

Ajitesh Mishra from Vikas the concept school, Hyderabad
Class : Class 5
ANS A

Ans 4:

Bhavya from ABC, Delhi
Class : Class 7
super easy answer. it is 'A'

Post Your Answer