National Science Olympiad Forum By SOF Olympiad Trainer - Page 336
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Niteen Jit Sahu from Diya Academy of Learning, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

mishika tripathi from DPS, Gurugram, Haryana
Class : Class 5
answer is c

Ans 2:

Shubhayu Banerjee from DPS Secunderabad - Nacharam - CBSE, Hyderabad
Class : Class 8

Post Your Answer

ICHALKARANJI from dkte, ichalkranji
Subject :NSO    Class : Class 8

Post Your Answer

Bhargav from City Pride School, Nigdi
Subject :NSO    Class : Class 7

Ans 1:

Aarnavi Mann from Scholars rosary Sr. Sec. School, Rohtak
Class : Class 8

Ans 2:

harini from Sri kumarans children home, Bengaluru
Class : Class 8

Ans 3:

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

Ans 4:

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

Ans 5:

Midhuna from ABCD, Banglore
Class : Class 3

Ans 6:

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

Ans 7:

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

Post Your Answer

Bhargav from City Pride School, Nigdi
Subject :NSO    Class : Class 7

Sunil and Rohit start at one end of a street, the origin and run to the other end, then head back. On the way back, Sunil is ahead of Rohit. Which statement is correct about the distances run and the displacements from the origin before reaching the origin?

A Sunil has run a greater distance and his displacement is greater than Rohit’s.
B Rohit has run a greater distance and his displacement is greater than Sunil’s.
C Sunil has run a greater distance but his displacement is lesser than Rohit’s.
D Rohit has run a greater distance but his displacement is lesser than Sunil’s.


Ans 1:

Rithvik from BVM Global, Chennai
Class : Class 8
tricky question

Post Your Answer

Pratheek from Null, Null
Subject :NSO    Class : Class 6

Post Your Answer

Archishman Pal from Sri Krishna Mission School, Agartala
Subject :NSO    Class : Class 4

Ans 1:

Ishan Kapilbhai Barochiya from Mayoor Private School , Abu Dhabi
Class : Class 6

Ans 2:

Sashrika Pasunoori from KV Gachibowli, Hyderabad
Class : Class 5
Can somebody tell? I don't have any idea

Post Your Answer

Amruta Nasikkar from bgs nps, bangalore
Subject :NSO    Class : Class 7

Ans 1:

Midhuna from ABCD, Banglore
Class : Class 3
HOW? Somebody pls help.

Ans 2:

Rudra K from Velammal Vidyalaya Annexure, Chennai
Class : Class 7
A The average kinetic energy of the molecules

Ans 3:

Nachiketa from Meru internation school, Hyderabad
Class : Class 7

Ans 4:

Shayan Bari from Kendriya Vidyalaya, Katihar
Class : Class 7
A: "The average kinetic energy of the molecules" is the right answer.

Post Your Answer

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Subject :NSO    Class : Class 3

Ans 1:

akshitha from Euroschool, Bengaluru
Class : Class 3
correct answer is d]

Ans 2:

akshitha from Euroschool, Bengaluru
Class : Class 3
i got 5/10

Ans 3:

Prithwanko Ghosh from Kendriya Vidyalaya IIT Kanpur, Kanpur
Class : Class 7
Animals that gnaw have very sharp front teeth and bite repeatedly and chew it hard so, the correct answer is option (D).

Ans 4:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
I got 10/10

Ans 5:

maanya from springdales, delhi
Class : Class 3
Correct answer is D

Ans 6:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 7
Correct answer=D

Post Your Answer

SJ HARITHA from PSBS, BENGALURU
Subject :NSO    Class : Class 5

Ans 1:

Amitava Pushilal from International Schooling, Singapore
Class : Class 6

Ans 2:

Amirta Varshini K from SSM ACADEMY CBSE, Dindigul
Class : Class 5

Post Your Answer

Bhargav from City Pride School, Nigdi
Subject :NSO    Class : Class 7

Mr Khanna had a pond in his garden, filled with all kinds of aquatic plants. He wanted to prevent mosquitoes from breeding in the pond without harming the plants in any way. He could __________.
(i) Add salt into the water
(ii) Add some goldfish into the pond
(iii) Spray a film of oil on the surface of the pond

A (i) only
B (ii) only
C (iii) only
D (i), (ii) and (iii)


B is correct. As goldfish eat the mosquitoe's eegs

Ans 1:

Akshay Jha from DPS NERUL, Navi Mumbai
Class : Class 7
A: Because of the high salinity of the water, plants will die.B: Plants will have more CO2 and hence have a higher rate of photosynthesis.C: O2 and CO2 will stop dissolving in water, hence killing the plants.So best option is B.

Ans 2:

Sourav Jena from ODM public school , BHUBANESWAR
Class : Class 4
I agree with you Prachi

Ans 3:

Agastya Tripathi from dps gurgaon, Gurgaon
Class : Class 4
i hate sof

Ans 4:

Pratham Dave from GNS, Bangalore
Class : Class 7
I agree with you Adwika

Ans 5:

nishka Alpesh Lad from U S Ostwal English Academy, Mumbai
Class : Class 7

Ans 6:

Prateek from kv, Chandigarh
Class : Class 4
Ya this is not write

Ans 7:

Prachi Todalge from New India School, Pune
Class : Class 7
Correct option should be c

Ans 8:

ADWIKA from DAV, FARIDABAD
Class : Class 10
it should be not be c as oil can block the gas exchange for plants and can effect the plant

Ans 9:

Prateek from kv, Chandigarh
Class : Class 4

Post Your Answer