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

User Forum

Ask Your Question
bharat gawade from ,
Subject :NSO    Class : Class 6

Ans 1:

Shreyas Gupta from CHIREC International, Hyderabad
Class : Class 8
ya bro

Ans 2:

ISHRAT SINGLA from D.A.V. PUBLIC SCHOOL, B.R.S. NAGAR, LUDHIANA., Ludhiana
Class : Class 9
Yes it should be done

Ans 3:

Mohinder singh from Sacred heart convent school, Ludhiana
Class : Class 7
Demonstrate the same with the help of a picture so as to have a better understanding of this question.

Post Your Answer

bharat gawade from ,
Subject :NSO    Class : Class 6

Ans 1:

Ajit kumar from centre point, NAGPUR
Class : Class 4
Ans D As the bird population decreases the caterpillar population will increase as there will be no one to eat the them and control their population.

Ans 2:

Tishyo BANDYOPADHYAY from , Kolkata
Class : Class 3

Post Your Answer

bharat gawade from ,
Subject :NSO    Class : Class 6

Post Your Answer

bharat gawade from ,
Subject :NSO    Class : Class 6

Post Your Answer

Kalpana Dubey from R K SARDA VIDYA MANDIR, Raipur
Subject :NSO    Class : Class 5

Post Your Answer

Nivedita Srikant from St. John's Universal School, Mumbai
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

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

Post Your Answer

Judhajeet Ghosh from DPS, Bokaro
Subject :NSO    Class : Class 3

Ans 1:

Admin from SOF, Noida
Class : Class 10
I am divisible by both 4 and 7. We have corrected the question. Thanks for pointing out.

Ans 2:

Admin from SOF, Noida
Class : Class 10
divisible by 4 and 7. Apologies for the inconvenience caused. We have corrected the question now.

Ans 3:

sanjana from NARAYANA E TECHNO , Chennai
Class : Class 6
but very easy for me

Post Your Answer

Nishanth K Nizar from Layola, Thiruvananthapuram
Subject :NSO    Class : Class 6

Study the given Venn diagram.

Following statements represent the causes of different kinds of pollution. Which of the following statements hold true for the given Venn diagram?
(i) Factory discharge coming out of a chimney can be included in R.
(ii) Construction work going on at a building site can be included in Q.
(iii) Pesticide spray in fields and youngsters dancing in a disco can be included in O.
(iv) Vehicles moving on roads can be included in O.

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


Is statement II can cause water pollution? How?

Post Your Answer

Rishi from Chirec Public School, Hyderabad
Subject :NSO    Class : Class 6

Ans 1:

Shomili from Global Indian International School, Singapore
Class : Class 9
The answer for the above question is C How is it possible?? Why is the answer not D??

Ans 2:

Aishi Pal from Kendriya Vidyalaya DRDO, Bangalore
Class : Class 7
c

Ans 3:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 7
And also they gave a wrong option as the correct one, as per the solution which is considerable to this scenario... So it should be option B. Got it??

Ans 4:

Prajith Kumaran from RCIS, Bangalore
Class : Class 7

Ans 5:

khushi Joshi from Svkm , Mumbai
Class : Class 9
The strength of a magnet is always stronger at its poles and not at the middle, so if we suppose Q as a bar magnet it will be wrong as it is written that in diagram 1 the strength of attraction is more but Qis attracting P from middle, so it is wrong

Ans 6:

Arsh Gupta from Cambridge International School, Jalandhar
Class : Class 7
c

Ans 7:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 7
No but in cases, poles can be on the 2 edges lengthwise. But... they should be inter changed, that is, P should Steel bar and Q should be Bar magnet, isn't it?

Post Your Answer

Gaurav Singh Chauhan from ,
Subject :NSO    Class : Class 3

Ans 1:

Jeronee from SBIOA International school, CHENNAI
Class : Class 3
A.Butterfly

Ans 2:

Admin from SOF, Noida
Class : Class 10
A. Butterfly. To grow into an adult butterflies go through 4 stages: egg, larva, pupa and adult. They have 6 legs

Ans 3:

samyak from Dr. Vitthalrao Vikhepatil foundation English medium school, Ahmednagar
Class : Class 3
butterfly

Post Your Answer