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

User Forum

Ask Your Question
Navjeet from Bhatnagar international school , New Delhi
Subject :NSO    Class : Class 7

Ans 1:

D VISHNU from NARAYANA SCHOOL, CHENNAI
Class : Class 7
C is the correct answer as the pin is straight to the point R.

Post Your Answer

Anushka Shingote from Delhi Public School,Durg, BHILAI
Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

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

Post Your Answer

Sameekshya Kar from DAV Public Schol, Talcher
Subject :NSO    Class : Class 9

Post Your Answer

Yashasvika from Euro World School, Sri Ganganagar
Subject :NSO    Class : Class 5

Ans 1:

Nilarka Pahari from Young Horizons School, Kolkata
Class : Class 4

Ans 2:

Devabhrith from Delhi Public School Electronic City Bangalore, Bengaluru
Class : Class 6
answer can be a

Ans 3:

Deepak Iyer from HFS Powai, Mumbai
Class : Class 6
terrace farming in fact worsens erosion due to water, right?

Ans 4:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
A B

Ans 5:

Yashasvika from Euro World School, Sri Ganganagar
Class : Class 5

Ans 6:

Devabhrith from Delhi Public School Electronic City Bangalore, Bengaluru
Class : Class 6
answer can be a

Ans 7:

Yashasvika from Euro World School, Sri Ganganagar
Class : Class 5
I did not understand .Why???

Ans 8:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is B because terrace farming is used to reduce soil erosion by water.

Post Your Answer

soubhik raha from bishop morrow school, nabadwip
Subject :NSO    Class : Class 6

Post Your Answer

Aparna praveen from Rajagiri, Ernakulam
Subject :NSO    Class : Class 4

Ans 1:

kaashvi from Deens Academy, Bangalore
Class : Class 5
its not the same saree .Nauvari saree is 9 meters against the 6 meters north indian saree

Ans 2:

Ishaan Devendra Moogabasav from Narayana e techno, Mumbai
Class : Class 5
we realized the saree style is called Nawaree and its worn by a Maharashtrian lady. However its not NorthIndian its Western style

Ans 3: (Master Answer)

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

Ans 4:

Manish Mulimani from chrysalis high, Bengaluru
Class : Class 4
This is a dress worn by Maharstrian ladies. Maharasthra is not in the north India.It is part of Central India so, the correct answer should have been D.

Ans 5:

Aryaveer And Shaurya Shinde from Goldcrest High Vashi, Navi Mumbai
Class : Class 6

Ans 6:

vedant from TSRS Aravalli, Gurgaon
Class : Class 4
the corret ans shold be d not a

Ans 7:

Manish Mulimani from chrysalis high, Bengaluru
Class : Class 4

Post Your Answer

navdeepcomputers1@gmail.com from svrd school jalgaon jamod , jalgaon jamod
Subject :NSO    Class : Class 4

Ans 1:

Shreshta from Presidium, Ghaziabad
Class : Class 3
if all the water evaporated from flask p so some of the water condensed in the tube so only 350 ml of water is collected in flask q. the answer became bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

Ans 2:

Abhinav Kulkarni from National Centre For Excellence, Bengaluru
Class : Class 4
d is the ans

Ans 3:

Kavin from ISG , Muscat,
Class : Class 4
b's the answer

Ans 4:

atharv from bluebells international, delhi
Class : Class 4
dddddddddddddddddddddddddddddddddddddddddd

Ans 5:

SAI KRISHNA from SHISHYA BEML PUBLIC SCHOOL, BANGALORE
Class : Class 3
nottttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttd coz in the picture they showed less amount of water in flask q so it should be around 200ml of water so correct ans is a

Ans 6:

Aaryaman Pradhan from De paul School , Berhampur
Class : Class 5
d because all the water is evaporated

Ans 7:

from Gems Modern Academy , Dubai
Class : Class 5
The correct answer is D

Ans 8: (Master Answer)

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

Post Your Answer

Kavitha Sun from sanjivani international school, Mumbai
Subject :NSO    Class : Class 3

Ans 1:

Ananya from birla school, Kalyan
Class : Class 4
C

Ans 2:

Dhruv Sachdev from Bhavan Vidyalaya Junior, chandigarh
Class : Class 4
A

Post Your Answer

HARSHAL KUTE from cambridge school buldhana, Buldhana
Subject :NSO    Class : Class 6

Refer to the given dichotomous key and select the incorrect statement regarding P, Q, R, S and T.

(i) (A) It is a natural fibre.- Go to (ii)
(B) It is a man-made fibre. -
(ii) (A) Fibre is obtained from plants.
- Go to (iii)
(B) Fibre is obtained from animals.
- Go to (iv)
(iii) (A) Fibre obtained from stem. -
(B) Fibre obtained from seed. -
(iv) (A) Fibre obtained by harming source organism. -
(B) Fibre obtained without harming source organism. -

A Fibre P is quick burning and shrinks away from flame giving slightly sweet chemical odour.
B Q could be obtained from Corchorus capsularis while R could be obtained from Gossypium hirsutum.
C Fibre S is obtained from an insect whereas fibre T is obtained from a mammal.
D Fabric made of S can be worn in all seasons whereas fibre Q can be used to make a raincoat.


Can't silk worn in all seasons???????????

Ans 1:

Ayush Anand Sharma from GEMS international school , Gurgaon
Class : Class 8
(D) is totally false . raincoat is made from plastic only which is a man made fiber .

Ans 2:

khushi Joshi from Svkm , Mumbai
Class : Class 8
Silk can't be worn in monsoon and winter, because it is not waterproof and it does not trap heat.

Ans 3:

khushi Joshi from Svkm , Mumbai
Class : Class 8
That is why Silk cannot be worn in all seasons

Ans 4:

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

Ans 5:

VIJAYA SREYAS B from NARAYANA OLYMPIAD SCHOOL KUKATPALLY, HYDERABAD
Class : Class 6
D is false as silk cannot be worn in all seasons .

Ans 6:

Veda Dua from DPS R K PURAM, New Delhi
Class : Class 7
D SHOULD BE THE CORRECT ANSWER

Ans 7:

Veda Dua from DPS R K PURAM, New Delhi
Class : Class 7
D

Post Your Answer

celina srivastava from ryan global school, mumbai
Subject :NSO    Class : Class 3

Ans 1:

ELISHA KANNOJIA from Delhi Public School, Noida
Class : Class 3
I cant understand why this question is wrong .

Ans 2:

Ananya from birla school, Kalyan
Class : Class 4
B

Ans 3:

Issac Newton from IIT Indian Institutes of Technology , Jalandhar
Class : Class 5
No, the question is not wrong . X is a Gibbous moon . The correct answer is B.

Post Your Answer