National Science Olympiad Forum By SOF Olympiad Trainer - Page 597
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Shiven Dinkar from DPS NOIDA Sector 30, Delhi
Subject :NSO    Class : Class 3

Ans 1:

Labonyo Sen from Calcutta Girls High School, KOLKATA
Class : Class 9
It will be A.It is 'ROTATION' NOT 'REVOLUTION'..............

Ans 2:

MS CHARVI from HAL GNANAJYOTI SCHOOL, Bangalore
Class : Class 4
C

Post Your Answer

Yatharth Aggarwal from DPS Rohini, Delhi
Subject :NSO    Class : Class 2

Ans 1:

Sreyas from Don Bosco, Park Circus, Kolkata
Class : Class 5
I AM 👿👿👿👿

Ans 2:

Yatharth Aggarwal from DPS Rohini, Delhi
Class : Class 6

Post Your Answer

Shaurya Suryawanshi from The Orbis school, Pune
Subject :NSO    Class : Class 4

Ans 1:

Anant Saxena from Delhi public school Gandhinagar , Gandhinagar
Class : Class 9
Trains run on rails so Answer should be A

Ans 2:

Tavish from Sanskriti Hyderabad, Hyderabad
Class : Class 7
Ok for now but Sof should not give these question which has 2 ANS

Ans 3:

kaashvi from Deens Academy, Bangalore
Class : Class 9
answer should be A. Trains can carry goods as well as passengers so the odd one out CANNOT be on the basis of passengers. Please do not give such questions if the answer is not clear

Ans 4:

SJ HARITHA from PSNLO, BENGALURU
Class : Class 10
SOME TIMES EVEN BUS AND TRAINS CARRY GOODS SO THE ANSWER IS A

Ans 5:

Yajur Nag from dps vk, delhi
Class : Class 5
The answer is A as trains run on tracks. not necessary that they carry passengers

Ans 6:

Tavish from Sanskriti Hyderabad, Hyderabad
Class : Class 7
Yes SOF answer should be "A".Its not correct this type of question is not correct!We will take the answer is A as correct.

Ans 7:

Rida from VIBGYOR ROOT AND RISE MALAD, MUMBAI
Class : Class 5
agreedThe answer will be Anot clear in train image its Passenger or Goods

Ans 8:

vg from DPS gurgaon sector45, Gurgaon
Class : Class 4
my answer is A as train runs on tracks others on road with wheels and can also carry goods not necessary passengers

Ans 9:

Abhinha Ajay Ovhal from Podar International School, Latur
Class : Class 7

Ans 10:

Rishik De Sarkar from Delhi Public School Gurgaon, Gurgaon
Class : Class 7

Ans 11:

Mohammed Najl from Credence high school Dubai, Dubai
Class : Class 5
I also think it is A.

Ans 12:

Archit Sanyal from Manav Rachna International , Gurgaon
Class : Class 5
It has got to be A

Ans 13:

Sreenath from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Class : Class 5
The answer has to be A.

Ans 14:

Anika S Kumar from Alphabets International school , Chennai
Class : Class 7
A

Ans 15:

Soorya Tej R from Delhi Public School, Hyderabad
Class : Class 4

Ans 16:

Adit Aggarwal from Vibgyor High, Bengaluru
Class : Class 5
My answer is A as train runs on tracks. It is not necessary that they carry passengers. Why is there no explanation SOF?

Ans 17:

Rishik De Sarkar from Delhi Public School Gurgaon, Gurgaon
Class : Class 7
Totally A

Ans 18:

Vihaan from Dhirubhai Ambani International School, Mumbai
Class : Class 4
A

Ans 19:

shubhavi Dhondge from NPS, Banagalore
Class : Class 9

Ans 20:

shubhavi Dhondge from NPS, Banagalore
Class : Class 9

Ans 21:

Sai Lakshmi Rao from Maneckji Cooper Education Trust, Mumbai
Class : Class 4
I also chose a. Why is there no explanation sof

Ans 22:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
SOF don't you know the difference between MODES of transport and MEANS of transport? If you do, why did you give wrong answer?And if you don't ,search on Google! GOT IT SOF?

Ans 23:

Parth Dhondiram Gadgile from Narayana School Loha, Palam
Class : Class 4
It,s answer is train 🚆 because it go out of city .

Ans 24:

Shatam Gedam from The Sanskaar valley School, Bhopal
Class : Class 5
tHE ANSEWR IS c BECAUSE TRUCK IS USED TO TRANSPORT GOODS WHILE THE OTHERS TRANSPORT PASSANGERS

Ans 25:

Soham Hatua from The Hindu Senior Secondary School, Chennai
Class : Class 7
It has to be A because train runs on tracks and others run on road.They said " Basis of transport " while on the explanation its written as " Odd one out "

Ans 26:

Ronav Kerkar from Jamnabai Narsee School, Mumbai
Class : Class 7
A

Ans 27:

Ronav Kerkar from Jamnabai Narsee School, Mumbai
Class : Class 7

Ans 28:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
You have to solve on the basis of MODE OF TRANSPORT not MEANS OF TRANSPORT SOF you yourself have given mode of transport is basis but you gave wrong answer! correct answer is A as means of transport includes transport which carry goods, passengers etc. And mode of transport means land, air or water transport. All the options are land transport but train runs on rail and other vehicles(auto rickshaw, truck and bus) run on road So answer is A

Ans 29:

Shatam Gedam from The Sanskaar valley School, Bhopal
Class : Class 5
I chose D because rickshaw runs in A city and the rest do not

Ans 30:

ishi gupta from DPS NOIDA, NOIDA
Class : Class 4
SAME HERE

Ans 31:

PURAV KHANDELWAL from TIME SCHOOL, HYDERABAD
Class : Class 4

Ans 32:

Vihaan from Dhirubhai Ambani International School, Mumbai
Class : Class 4
Its C!

Ans 33:

Anahita Saxena from Ryan International School Pune, Pune
Class : Class 3
The ans is A. They wrote C because no one sits on trucks. But the ans shud be A. Cuz train goes on rails, not on road. The others go on the road, not on rails. Seriously SOF! Why do u give wrong answers? it is not necessary people to sit on trucks!!!

Ans 34:

Abhinav Kulkarni from National Centre For Excellence, Bengaluru
Class : Class 4
same

Ans 35:

PURAV KHANDELWAL from TIME SCHOOL, HYDERABAD
Class : Class 4

Ans 36:

UMA Subramanian from Global Indian International School, Singapore
Class : Class 7
The answer should be A as trains run on track and others run on road.

Ans 37:

IAMLOST from ABC, Pune
Class : Class 8
the answer is a

Ans 38:

shubhavi Dhondge from NPS, Banagalore
Class : Class 9
the answer is A

Ans 39:

Vihaan Rathi from altius fortius highschool, Nadiad
Class : Class 6
I think the answer is a as it runs on tracks

Post Your Answer

Preethi Saseedaran from PSBB Siruseri , Chennai
Subject :NSO    Class : Class 5

Ans 1:

Biju Pappachan from Rkc , Raipur
Class : Class 1
It is B.

Ans 2:

Niveideeta Cour from Suncity World School, Gurgaon
Class : Class 5

Ans 3:

Dheer Pandey from Sentia The Global School, Hyderabad
Class : Class 10
b is the answer

Ans 4:

Syon from Sentia The Global School, Hyderabad
Class : Class 8
The answer is "c" because in the question its written that he moved it in a clockwise direction

Ans 5:

Niveideeta Cour from Suncity World School, Gurgaon
Class : Class 5
yes very simple

Post Your Answer

Vikram from School of india, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

XXX from SVM, Bangalore
Class : Class 5
it can be d or c!!!

Ans 2:

Deepayan Das from South Point High School, Kolkata
Class : Class 6
The particles have settled below, so, sedimentation is done.

Ans 3:

Shaurya Suryawanshi from The Orbis school, Pune
Class : Class 7
It's 'd'

Ans 4:

Naitik Banerjee from DPS Ruby Park Kolkata, Kolkata
Class : Class 5
It is d

Ans 5:

LAVANYA DADHWAL from BLOOM PUBLIC SCHOOL, South West Delhi
Class : Class 9
First we do Sedimentation and then Decantation so D is correct 😄

Post Your Answer

Hamsavarshini Swaminathan from St Anns Senior Secondary School, Roorkee
Subject :NSO    Class : Class 6

Ans 1:

PALAK from WOOD BLOSSOM SCHOOL, BATALA
Class : Class 2
its c

Ans 2:

Raghav Aggarwal from CAMBRIDGE SCHOOL INDIRAPURAM, INDIRAPURAM
Class : Class 7
it would be c because tearing of paper and burning of it cannot be brought back to what it was a while age. Thus, it is irreversible change.

Ans 3:

Agustya vaid from Somerville school vasundhara enclave, Delhi
Class : Class 7
i agree with PALAK

Ans 4:

Samrat Gupta from Shree Sanatan Dharm Education Centre, Kanpur
Class : Class 9
The correct answer is option c after burning paper and pieces we cannot bring them back...But in 2030 or 40 or betweem them i hope that time machine is made then it can ve reversible

Ans 5:

Hamsavarshini Swaminathan from St Anns Senior Secondary School, Roorkee
Class : Class 10
jguk;p jie gffbgmtft boip kio tog boyh rjoouyti. thay tis vy? n ot bec auseofthat. itis becaus

Ans 6:

sarag bordoloi from dps numaligarh, golaghat
Class : Class 9

Post Your Answer

Arnav Raj Sharma from Dpsvk, Gurgaon
Subject :NSO    Class : Class 2

Ans 1:

anu from Haralur, Bengaluru
Class : Class 5
a

Post Your Answer

Arnav Raj Sharma from Dpsvk, Gurgaon
Subject :NSO    Class : Class 2

Ans 1:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune
Class : Class 7
It is c.Class 2 Div b

Ans 2:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune
Class : Class 7
lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll

Ans 3:

Rudransh from Presidium, Gurgaon
Class : Class 2

Ans 4:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune
Class : Class 7
It is c.Class 2 Div b

Post Your Answer

Ashwin Shridhar from Vidyashilp Academy, Bangalore
Subject :NSO    Class : Class 7

Ans 1:

Apoorva from Centre point school Katol Road, Nagpur
Class : Class 4
The answer should be D. Because 1700mm= 170 cm and 170 cm<180cm

Ans 2:

Aditya Sai Vemparala from Amanora school, Pune
Class : Class 10
D

Ans 3:

Vartika Agarwal from Phoenix world school, Pune
Class : Class 9
the answer is d and not c

Ans 4:

Kushal from Chirec, Hyderabad
Class : Class 7

Ans 5:

Shayan Bari from Kendriya Vidyalaya, Katihar
Class : Class 7
1700 mm=170 cm< 180 cm

Ans 6:

Ishan Patil from D.A.V. B.O.R.L. Public School ,Bina, Bina
Class : Class 9
1700 mm is greater than 180 cm as 180 cm is 1.8 m while 1700mm is 170meter

Ans 7:

Shreya Sudarshan from RVK - Banashankari, Bengaluru
Class : Class 7
The Answer must be d

Ans 8:

Mohit Makkar from Aravali International School, Faridabad
Class : Class 8

Ans 9:

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

Ans 10:

krishneil from Elpro international school, Pune
Class : Class 6
will be d

Ans 11:

bhargav balaji from National Public School, Bengaluru
Class : Class 9
Answer must be d

Ans 12:

Pratham Dave from GNS, Bangalore
Class : Class 7
It should be C

Ans 13:

Tejashree Colvalcar from Sharda Mandir School, PANAJI GOA
Class : Class 7
answer should be d

Ans 14:

Himanish Basu from Army Public School Kamaraj Road, Bangalore
Class : Class 7
D

Ans 15:

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

Ans 16:

Shaman Amin from SDM school, Mangalore
Class : Class 10
It should be D

Ans 17:

rethish from Veltech, Avadi
Class : Class 3

Ans 18:

Daksh Kumar from GCIS, Bangalore
Class : Class 7
The answer should be 'D'.

Ans 19:

Himanish Basu from Army Public School Kamaraj Road, Bangalore
Class : Class 7

Ans 20:

Adhrit from CHSV, Chennai
Class : Class 8
It has to be D, because last I checked 180 is greater than 170

Ans 21:

Pranshu pratyush puhan from DPS siliguri, west bengal
Class : Class 10
Should be D

Ans 22:

Sarthak yadav from RPS, Mahendragarh
Class : Class 9

Ans 23:

DIVYA SRIRAM from YUVABHARATHI INTERNATIONAL SCHOOL, SINGAPORE
Class : Class 9
The answer should be D and not A

Ans 24:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 9
D!!

Post Your Answer

Kavitharini Joseph from HUS, Chennai
Subject :NSO    Class : Class 5

Ans 1:

from kalyan, Kalyan
Class : Class 6
The answer is (A)

Ans 2:

Anika Saha from New Town School, KOLKATA
Class : Class 6
i think the answer is d

Ans 3:

from kalyan, Kalyan
Class : Class 6

Ans 4:

Samaira from Global Indian International School, Bangalore
Class : Class 8
Even I don’t get the question properly.........But I think the answer is (B).......what was the answer when u finished the test???? What was the answer according to the trainer??but I am just guessing... I have not done this question yet...

Ans 5:

Nakul Bhasker from National Public School Whitefield, Bangalore
Class : Class 5
for the people who didn't understand

Ans 6:

Nakul Bhasker from National Public School Whitefield, Bangalore
Class : Class 5
They r asking wht is the letter 4th to the right of the ninth letter from the right end, when all the letters r interchanged with the letter next to it like the 1st and 2nd (C and O) and then the next 2 3rd and 4th (M and P), so on.

Ans 7:

Nakul Bhasker from National Public School Whitefield, Bangalore
Class : Class 5

Ans 8:

Karun from Kendriya vidhyalaya, Chennai
Class : Class 5
I am unable to understand this question.

Post Your Answer