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

User Forum

Ask Your Question
computer shop from REAL COMPUSYSTEM, AHMEDABAD
Subject :NSO    Class : Class 1

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The black air causes air pollution and it makes the air dirty. Hence, the correct answer is B.

Post Your Answer

SAANVI.SHUKLA from DELHI PUBLIC SCHOOL, NOIDA
Subject :NSO    Class : Class 2

Ans 1:

Yeasvith Vema from TMS, Gurgaon
Class : Class 5
A

Ans 2:

SAANVI.SHUKLA from DELHI PUBLIC SCHOOL, NOIDA
Class : Class 2

Post Your Answer

Agnimitra Gupta from south point school, Kolkata
Subject :NSO    Class : Class 4

Post Your Answer

PRANEEL PRIYASH PANDA from AECS NARORA, BULANDSHAHR
Subject :NSO    Class : Class 6

Ans 1:

AMAN SAIKIA from DELHI PUBLIC SCHOOL DULIIAJAN, DULIAJAN
Class : Class 9
In the first and second option, the magnetic materials are iron nail and steel nail respectively. In the third option all are non magnetic. In fourth option, both are magnetic materials. Therefore Ans:- A (i) and (ii)

Ans 2:

Sharmi Chowdhury from G.D Birla Centre For Education , Kolkata
Class : Class 7
But in containers I

Ans 3:

Veda Dua from Delhi Public School, R. K. Puram, New Delhi
Class : Class 7
IT SHOULD BE A

Ans 4:

Manya Pujar from EuroSchool, Davangere
Class : Class 6
No, the answer is A as both steel and nickel are magnetic .

Ans 5:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 7
But...Iron, nickel and copper r magnetic, and both steel and aluminium r non-magnetic. Then why option A is correct ans???

Ans 6:

Naman from Svm, Nalasopara
Class : Class 6
the answer will be C as 3 option is non-magnetic

Ans 7:

Ashwak from Cambridge International School, Saudi Al Dera
Class : Class 8
Yes the answer is C as iron nail , nickle and steel are magnetic

Ans 8:

Sharmi Chowdhury from G.D Birla Centre For Education , Kolkata
Class : Class 7
But in containers i

Ans 9:

Arsh Gupta from Cambridge International School, Jalandhar
Class : Class 7
answer is c nickel coin is also a magnetic substance but steel is a non magnetic substance

Ans 10:

rocker harshil from TImpany senior secondary school, Visakhapatnam
Class : Class 6

Ans 11:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 6
c

Ans 12:

Dushyant Singh from Shree Ram Centenial School, Indore
Class : Class 6
copper is non magnetic

Ans 13:

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

Ans 14:

Agustya vaid from Somerville school vasundhara enclave, Delhi
Class : Class 7

Post Your Answer

Krishiv Goyal from Ridge Valley School, Gurgaon
Subject :NSO    Class : Class 6

Read the following passage carefully.
P helps to maintain strong eyesight and healthy skin. Q is required for normal growth of bones and teeth in children. R is essential for proper functioning of muscles and nerves. S is needed for natural clotting of blood.
Identify P, Q, R and S and select the incorrect statement regarding these.

A Q is produced when the skin is exposed to sunlight.
B R is a mineral, deficiency of which causes spasms, poor digestion, anxiety and sleeplessness.
C Cod liver oil is a good source of both P and S.
D S is synthesised in our body by bacteria present in the gut.


Ans 1:

Adrija Pandey from SSRVM Bhugaon Pune, Pune
Class : Class 6
S-vitamin K

Ans 2:

Anika Saha from New Town School, KOLKATA
Class : Class 6
Q is Vitamin D.

Ans 3:

Ritabrata Das from OPJS, Angul
Class : Class 7
what is gut??????

Ans 4:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 7
The question has some error......Can anyone find it and declare? Please!!!!

Ans 5:

Adrija Pandey from SSRVM Bhugaon Pune, Pune
Class : Class 6
P-vit a ,Q- vit d

Ans 6:

khushi Joshi from Svkm , Mumbai
Class : Class 9

Ans 7:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 7

Ans 8:

Tavishi from Euro School, Mumbai
Class : Class 6
answer is (d)

Ans 9:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 6

Ans 10:

Adrija Pandey from SSRVM Bhugaon Pune, Pune
Class : Class 6
R-magnesium

Ans 11:

Shikhar Mallick from Holy Cross School, Agartala
Class : Class 7
Can someone please tell me what are the nutrients?

Ans 12:

Vedang Amonkar from Dr K B Hedgewar High School, Panaji
Class : Class 6
ummm intestine?

Ans 13:

Ashee Srivastava from APEEJAY SCHOOL NOIDA , NOIDA
Class : Class 7
gut means intestine and spasms means muscles suddenly contracting involuntarily.

Ans 14:

SAMIKSHA PATIL from CITYPRIDE SCHOOL, CHINCHWAD
Class : Class 6

Ans 15:

J Jeeva from BGS National Public School, Bengaluru
Class : Class 6
What is spasms????

Post Your Answer

Aarushi Batra from DPS north Banglore , Banglore
Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

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

Post Your Answer

Aryan Sirohi from Mount LItera Zee School, Bangalore
Subject :NSO    Class : Class 5

Post Your Answer

KISHORE KUMAR E from MAHARISHI INTERNATIONAL RESIDENTIAL SCHOOL, SUNGUVARCHATHIRAM
Subject :NSO    Class : Class 8

Ans 1:

Anushka Singh from Uttam Girls School, Ghaziabad
Class : Class 9
Melamine resits fire and firefighers also wear their suits made up of melamine.

Post Your Answer

shweta from DAV, Nerul
Subject :NSO    Class : Class 1

Post Your Answer

Annika from Apeejay School, Noida
Subject :NSO    Class : Class 9

Ans 1:

Karishma from KV mohanbari , Dibrugarh
Class : Class 9
(A) > 12u*60+1u*22=742u i. e. 742* mass of 1u (1.6605x10 to the power - 24) = answer A (approximate value)

Post Your Answer