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

User Forum

Ask Your Question
Sarim raza from St Xavier, Hzaribagh Jharkhand
Subject :NSO    Class : Class 6

Ans 1:

Sarim raza from St Xavier, Hzaribagh Jharkhand
Class : Class 6
Answer is A. Walnut is rich in Omega 3 because it help us to develop our brain espically kids.

Post Your Answer

aryan vir from lotusvalley international school gurugram, Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

Sujal Kumar from Dav public school barhi, ranchi
Class : Class 7
Ans=y Because the small intestine help to more digested

Post Your Answer

aryan vir from lotusvalley international school gurugram, Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

Bhargav from City Pride School, Nigdi
Class : Class 7
Option a is correct

Ans 2:

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

Ans 3:

crow rank 25 from dumb Indian International School, thomanna
Class : Class 7

Ans 4:

Adish Gupta from Podar international school , Mumbai
Class : Class 7

Ans 5:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option a

Ans 6:

sukdidi12 from loreto day school elliot road , kolkata
Class : Class 5
Option A

Ans 7:

Adish Gupta from Podar international school , Mumbai
Class : Class 7

Ans 8:

Adish Gupta from Podar international school , Mumbai
Class : Class 7

Ans 9:

ansh rai from delhi public school, Bhilai
Class : Class 4
Option a is correct but disaccharides aren’t enzymes

Ans 10:

Shaurya from Mris 51 Gurugram, Gurugram
Class : Class 6

Post Your Answer

aryan vir from lotusvalley international school gurugram, Gurgaon
Subject :NSO    Class : Class 7

The given list shows the five steps needed to do a starch test but in a random order.
(i) Pluck a leaf from the plant.
(ii) Leave a potted plant out in the Sun for a few hours.
(iii) Boil the leaf in alcohol.
(iv) Put the leaf in boiling water for 2 minutes.
(v) Wash the leaf and then add a few drops of iodine solution over it.
Select the option with correct order of these steps.

A (i), (ii), (iii), (iv), (v)
B (i), (ii), (iv), (iii), (v)
C (ii), (i), (v), (iv), (iii)
D (ii), (i), (iv), (iii), (v)


Ans 1:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option d

Ans 2:

Hritvi from Podar International School, Mumbai
Class : Class 7
Correct Answer- D

Ans 3:

Abhiroop Batabyal from Kennedy High the global school, Hyderabad
Class : Class 8
Option D : (ii), (i), (iv), (iii), (v)

Post Your Answer

aryan vir from lotusvalley international school gurugram, Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

from Sri Chaitanya Techno School, Bengaluru
Class : Class 9

Ans 2:

shaurya aggarwal from scholars rosary senior secondary school, rohtak
Class : Class 7
difficult

Ans 3:

TEJASWANI from TIME SCHOOL, HYDERABAD
Class : Class 7
stupid

Post Your Answer

aryan vir from lotusvalley international school gurugram, Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

ansh rai from delhi public school, Bhilai
Class : Class 4
Answer is a not d

Ans 2:

Amishee Surya from bgsnps, Bengaluru
Class : Class 8
They have asked incorrect. Even I went wrong here

Ans 3:

Basundhara Ghosh from Birla High School Mukundapur , Kolkata
Class : Class 7
Answer is B not D

Ans 4:

Aarushi Chaubey from Teoler High School, Jaipur
Class : Class 8
the answer (a) not (d)

Ans 5:

Bhavtosh Tripathi from Maneckji Cooper Education Trust School, Mumbai
Class : Class 8
The answer is A and not D since the terminals of the battery are not connected in a proper way.

Ans 6:

Hprakash09 from Billabong high Bhopal, Bhopal
Class : Class 7
the answer is (A) and not (D)

Post Your Answer

Swarnavo from Reso, Kota
Subject :NSO    Class : Class 7

Ans 1:

Anagha s Karnis from vijaya vittala vidyashala, MYSORE
Class : Class 8
Option c is the correct answer, because if at all any cold material is stored in the flask, then the liquid becomes hot due to the heat of the sun. Hence it is used to reflect the radiation from the sun

Ans 2:

from , Jamnagar
Class : Class 7

Ans 3:

shashwat pandey from Doon International School Dalanwala, Dehradun
Class : Class 7
In my opinoin A is corrcect beacuse silvered wall is a solid thing and solid thing get's heat through the process of conduction.

Ans 4:

Hritvi from Podar International School, Mumbai
Class : Class 7
Option C is the correct answer as the silvered walls of the thermo flask helps the liquid to sustain its form by reflecting the heat by Radiation (Heat that does not need any medium to travel unlike conduction and convection.)

Ans 5:

Bhumi Chheda from SVKM J V Parekh International School, Mumbai
Class : Class 8
i am not sure if it is A or C

Ans 6:

Kartik Saxena from Mercy Memorial School, Kanpur
Class : Class 7
A

Ans 7:

AISHA from K.V.No.-1,A.F.S.,SEC.-14, GURUGRAM
Class : Class 7
OPTION C IS CORRECT ANSWER.

Ans 8:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option c

Ans 9:

Kartik Saxena from Mercy Memorial School, Kanpur
Class : Class 7
A is the correct answer

Post Your Answer

Avinash Mishra from Central Hindu School, Gorakhpur
Subject :NSO    Class : Class 10

Post Your Answer

Arav Singh from Jyoti Niketan School, Azamgarh
Subject :NSO    Class : Class 5

Post Your Answer

Raghav Tyagi from birla vidya niketan, new delhi
Subject :NSO    Class : Class 8

Ans 1:

Nilanjana De from Delhi Public School North, Bengaluru
Class : Class 8
Can someone please explain why the answer is A?

Ans 2:

Student from School, City
Class : Class 8
Explain with diagram in the solution.

Ans 3:

AAshutosh Jindal from HOLY angels school, RAJPURA
Class : Class 8
D

Ans 4:

AAshutosh Jindal from HOLY angels school, RAJPURA
Class : Class 8
D

Ans 5:

bipasana from KV IIT Kanpur, Kanpur
Class : Class 8
It IS A.

Post Your Answer