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

User Forum

Ask Your Question
SRIJA SRINIVASAN PAKU from KENDRIYA VIDHYALAYA ASHOK NAGAR, Chennai
Subject :NSO    Class : Class 4

Ans 1:

Shruti Rajshree from NPS Indiranagar, Bengaluru
Class : Class 3
its option B

Ans 2:

ANAY GUPTA from CMS KANPUR ROAD LUCKNOW, LUCKNOW
Class : Class 5
bis the right answer you mad sof

Ans 3:

srijita sen from B.J.E.M school, Bhubaneswar
Class : Class 4
The answer is B

Ans 4:

shreyash rawat from podar international school, pune
Class : Class 6
B

Post Your Answer

Mayank Gupta from Kulachi Hansraj Model School, New Delhi
Subject :NSO    Class : Class 7

Observe the given figure carefully and choose the correct option for matching the column I with column II.

Column I    Column II
(A)X (i) The process of transfer of heat in a liquid or a gas by the movement of liquid or gas.
(B)Y (ii) The flow of heat through a substance without the movement of the substance itself.
(C)Z (iii) The process by which heat travels without the help of material medium.


A (A)-(iii), (B)-(i), (C)-(ii)
B (A)-(ii), (B)-(iii), (C)-(i)
C (A)-(i), (B)-(ii), (C)-(iii)
D (A)-(ii), (B)-(i), (C)-(iii)


Ans 1:

thechampiondaksh from K R Mangalam World School, New Delhi
Class : Class 8
i think the answer is A as the process X is of radiation and process Y is convection and process Z is conduction . a medium is not required in radiation . convection takes place in fluids . that is why i think the answer is option A

Ans 2:

thechampiondaksh from K R Mangalam World School, New Delhi
Class : Class 8
i think the answer is A as the process X is of radiation and process Y is convection and process Z is conduction . a medium is not required in radiation . convection takes place in fluids . that is why i think the answer is option A

Post Your Answer

Rajendra Mishra from Kendriya Vidyalaya, Koliwada, Kane Nagar, Mumbai
Subject :NSO    Class : Class 6

Ans 1:

Rishabh Dwivedi from Sherwood Convent sr. secondary school, GURUGRAM
Class : Class 6
answer c

Post Your Answer

Rishab from OWS, New Delhi
Subject :NSO    Class : Class 5

Ans 1:

veriton from Delhi Public School, navi mumbai
Class : Class 5
I am sorry to say but... he sad truth is that the answer was C.

Ans 2:

Jon from C, Kochi
Class : Class 5
The answer is A

Ans 3:

shalini mittal from DPS Greater Noida, Greater noida
Class : Class 4
it should be r and w

Ans 4:

Shivam Gupta from Army Public School, Noida
Class : Class 5

Ans 5:

Deep Ajay Ovhal from Podar International School, Latur, Latur
Class : Class 5

Ans 6:

anita from Manan Vidya Ranchi, Ranchi
Class : Class 4
D

Ans 7:

ANURAG MOHANTY from DAV Public School Burla, SAMBALPUR
Class : Class 6

Ans 8:

kendre vaishnavi mangesh from podar international school , latur
Class : Class 5

Ans 9:

Anjisha Chakraborty from Mount Litera Zee School, Jabalpur
Class : Class 5
Answer - P and W as moisture is needed as well as light for germination

Ans 10:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 6
Anyone from dhanbad or delhi public school dhanbad here ?

Ans 11:

Navyaa Kalra from DPS Noida, NOIDA
Class : Class 5
answer should be B and not A ...................there must be a COMPUTING MISTAKE!!!

Ans 12:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
BBBBBBB^BBBBBBBBBBBBBBBBBB

Post Your Answer

Rudraksh Tiwari from Kumaon Public School Dwarahat, Almora
Subject :NSO    Class : Class 4

Ans 1:

Atheeq Ahmed Shaik from Ravindra Bharathi Global School, chennai
Class : Class 4
B

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is B.

Ans 3:

Ananya Kaushik from DPS Noida, Noida
Class : Class 4

Ans 4:

LAVANYA DADHWAL from BLOOM PUBLIC SCHOOL, South West Delhi
Class : Class 4
Material B allows 500 percent light through it while material C allows 150 percent light so material B allows more light to pass through it than material C.That’s why answer D is correct.😊

Ans 5:

Alisha from Delhi Public School kolar road, Bhopal
Class : Class 4
HOW IS b CORRECT ?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

Ans 6:

monisha garg from carmel convent school sector 9 chandigarh, panchkula
Class : Class 4

Post Your Answer

ATHARVAA PAUNIPAGAR from VIBGYOR HIGH, GOREGAON, MUMBAI, Mumbai
Subject :NSO    Class : Class 1

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is B. The unscrambled word comes out to be HANDPUMP.

Post Your Answer

Kush Malpani from Cathedral and John Connon Senior School, Mumbai
Subject :NSO    Class : Class 7

Ans 1:

Harshdeep roy from Bhavans School , Nagpur
Class : Class 7
Answer is option D.

Ans 2:

Harshdeep roy from Bhavans School , Nagpur
Class : Class 7

Ans 3:

Harshdeep roy from Bhavans School , Nagpur
Class : Class 7

Ans 4:

Harshdeep roy from Bhavans School , Nagpur
Class : Class 7
Answer is option D

Ans 5:

Harshdeep roy from Bhavans School , Nagpur
Class : Class 7

Ans 6:

aditya from city pride school , Pune
Class : Class 7
D . because it is constant and in a specific direction

Ans 7:

aditya from city pride school , Pune
Class : Class 7
D . because it is constant and in a specific direction

Post Your Answer

Sarika Lalwani from vibgyor, Kolhapur
Subject :NSO    Class : Class 5

Ans 1:

Aryan Sirohi from Mount LItera Zee School, Bangalore
Class : Class 8
The answer is D] Bottle opener

Ans 2:

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

Ans 3:

Mohammed Najl from GEMS New Millennium School Al Khail, Dubai
Class : Class 5
the answer is B

Ans 4:

anita from Manan Vidya Ranchi, Ranchi
Class : Class 4
A

Post Your Answer

Rajendra Mishra from Kendriya Vidyalaya, Koliwada, Kane Nagar, Mumbai
Subject :NSO    Class : Class 6

Ans 1:

Arjun gupta from Dps noida , Noida
Class : Class 7
iron filings and sand can also be separated from winnowing

Ans 2:

KEERTHANA SHIBU from INDIAN SCHOOL GHOUBRA, Oman
Class : Class 7
checked in google sof gave right answer

Ans 3:

Anika Saha from New Town School, KOLKATA
Class : Class 6
B

Ans 4:

Adithi Keshava from National Center For Excellence , Bangalore
Class : Class 7
No iron fillings and sand are heavy

Ans 5:

Keshav Gupta from Prarambhika, Patna
Class : Class 6
B

Ans 6:

PS Gour from Chirec international schoo The best 30 years and beyond, Hyderabad
Class : Class 8
pl answer i think the answer will be(i),(iii) and (iv).please check and tel me if im correct

Post Your Answer

Kush Malpani from Cathedral and John Connon Senior School, Mumbai
Subject :NSO    Class : Class 7

Ans 1:

POORVA MEHROTRA from STUDY HALL LUCKNOW, Lucknow
Class : Class 8

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is A.

Ans 3:

POORVA MEHROTRA from STUDY HALL LUCKNOW, Lucknow
Class : Class 8

Ans 4:

dhairya mittal from vidyashram international school jodhpur, Jodhpur
Class : Class 5

Post Your Answer