National Science Olympiad Forum By SOF Olympiad Trainer - Page 686
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avsonawane from Blue Ridge Public School, Pune
Subject :NSO    Class : Class 3

Ans 1:

Sumayah from Strawberry Fields High School, Chandigarh
Class : Class 4
the answer could be d or c but im going to say C

Ans 2:

ARHAN CHAPLOT from DPS Noida, NOIDA
Class : Class 10
c

Ans 3:

SARTHAK.SHUKLA from Delhi Public School, Noida, Noida
Class : Class 3
Answer should be C

Ans 4:

Midhansh Navani from DPSG, Ghaziabad
Class : Class 7
it is very good i will go with d option

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Niveideeta Cour from Suncity World School, Gurgaon
Subject :NSO    Class : Class 4

Ans 1:

Niveideeta Cour from Suncity World School, Gurgaon
Class : Class 5
http://google0123.com/

Ans 2:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is D because one natural fiber,wool,absorbs sweat,hanbok is the traditional dress of Korea and doctors and nurses wear white coats.

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Pratyush from GMA Dubai, Dubai
Subject :NSO    Class : Class 7

Ans 1:

Himanish Basu from Army Public School Kamaraj Road, Bangalore
Class : Class 7
In 3, two traingles are not congruent.So,answer is A.

Ans 2:

Anay Paresh Patil from Akshara International School, Pune
Class : Class 8
it should be D) (i), (ii) and (iii) because all of them show them end at same time

Ans 3:

SOMDATTA BHATTACHARYA from Delhi Public School, Dhaligaon, Bongaigaon
Class : Class 5
IN NO. 1 IS NOT SACHIN AT REST ?

Ans 4:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 9
Sachin in 1st one is at a constant speed from a particular period of time, till he finished his race.

Ans 5:

Raja Satwik Prasad Tetali from DELHI PUBLIC SCHOOL BANGALORE NORTH, Bengaluru
Class : Class 8

Ans 6:

Soumyajit Roy from Delhi Public School Jamnagar, Jamnagar
Class : Class 9
But at 1 sachin is at rest

Ans 7:

Amrik Pal from Kendriya Vidyalaya DRDO, Bangalore
Class : Class 6

Ans 8:

LAVANYA DADHWAL from BLOOM PUBLIC SCHOOL, South West Delhi
Class : Class 9
THE CORRECT ASNWER SHOULD BE C because in (i) Sachin's starts the race from a non-zero speed which is practically impossible when a race starts

Ans 9:

Aditya Sai Vemparala from Amanora school, Pune
Class : Class 10

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Pratyush from GMA Dubai, Dubai
Subject :NSO    Class : Class 7

Ans 1:

arijit paul from New Town School, Kolkata
Class : Class 9
ans is D cause vi)is gill ii)is ribcage iii)is trachaea

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Priya from Presidium, Gurgaon
Subject :NSO    Class : Class 4

Ans 1:

Sonu Batra from modern dps faridabad, Faridabad
Class : Class 8
the answer should be b as frictional force prevents us from slipping. it does not help us to walk on the ground

Ans 2:

Chinmayee from Dimensions , Singapore
Class : Class 4
Is wrong because friction does not help us to walk. Even without friction, we can walk but not without gravity.

Ans 3:

Parmanyu from Learning Paths School, Mohali
Class : Class 9
d

Ans 4:

anika from St Joseph sen sec school Mahoba, Kulpahar
Class : Class 5
A because friction helps us to walk on the ground

Ans 5:

Manya Pujar from EuroSchool, Davangere
Class : Class 6
ANSWER D IS NOT GIVEN PROPERLY'Both A and ----?

Ans 6:

mishika tripathi from DPS, Gurugram, Haryana
Class : Class 5
it is D

Ans 7:

Khanak Jha from Prime Academy, Mumbai
Class : Class 4
Answer should be B

Ans 8:

Chinmayee from Dimensions , Singapore
Class : Class 4
Answer A.

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Angela Dutta from BDM International, Kolkata
Subject :NSO    Class : Class 7

Ans 1:

Sunidhi chatterjee from Carmel school kargali , Bokaro
Class : Class 7
I think it's option B Unemployed women in villages who are not educated

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Utkarsh Chakravarty from Pinnacle High International School, Mumbai
Subject :NSO    Class : Class 4

Ans 1:

Sarthak Gupta from DPS, Haryana
Class : Class 4
Answer is D because the going right arrow in the land tells us as sun sets,land cools faster than sea.

Ans 2:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is D because the going right arrow in the land tells us as sun sets,land cools faster than sea.

Ans 3:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
D as land cools faster than sea and option D is incorrect

Ans 4:

Arnesh from DPS Mathura Road , New Delhi
Class : Class 7
d

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Utkarsh Chakravarty from Pinnacle High International School, Mumbai
Subject :NSO    Class : Class 4

Ans 1:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
I think answer is A.

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Niveideeta Cour from Suncity World School, Gurgaon
Subject :NSO    Class : Class 4

Ans 1:

ishi gupta from DPS NOIDA, NOIDA
Class : Class 4
AFFORESTATION IS CORRECT OR NOT

Ans 2:

Anshul Sameer Darne from Ryan International School, Masdar
Class : Class 6
Hmm... It could also be B..

Ans 3:

ishi gupta from DPS NOIDA, NOIDA
Class : Class 4

Ans 4:

anika from St Joseph sen sec school Mahoba, Kulpahar
Class : Class 5
A option building embankment s

Ans 5:

Aananya Singh from DPS East, Bangalore
Class : Class 4
Option A should be correct ✔✔✔

Ans 6:

Niveideeta Cour from Suncity World School, Gurgaon
Class : Class 5
correct........my mistake

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Niveideeta Cour from Suncity World School, Gurgaon
Subject :NSO    Class : Class 4

Ans 1:

Niveideeta Cour from Suncity World School, Gurgaon
Class : Class 5
yes.........it is option(A)

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