National Science Olympiad Forum By SOF Olympiad Trainer - Page 343
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Iraj Singh from DPS Megacity, Kolkata
Subject :NSO    Class : Class 3

Ans 1:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 8
The correct answer is D as the bicycle is two-wheeler and the others are four-wheeler.

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Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Subject :NSO    Class : Class 5

Ans 1:

Hitanshi Behera from Loyola School , Bhubaneswar
Class : Class 4
You are the IMPOSTER

Ans 2:

Hitanshi Behera from Loyola School , Bhubaneswar
Class : Class 4
Answer should be b

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Sayan Duary from Vidyasagar Shishu Niketan, Paschim Medinipur
Subject :NSO    Class : Class 3

Ans 1:

Sarthak Shome from Harvest International, Bangalore
Class : Class 7
yes and graphite is used to make pencils.

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

Diamond is the hardest rock used to cut glass. Graphite is used for making lead of pencils. Tungsten is used to make the filament of the light bulbs. Hence, the right answer is option D.


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Iraj Singh from DPS Megacity, Kolkata
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

Equator receives almost the same amount of sunlight throughout the year. and has days and nights of equal duration i.e.,12 hours each. 
Poles receive sunlight only for 6 months and remain dark for the next 6 months.


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Anika S Kumar from Alphabets International school , Chennai
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

The hindi names of Venus, Mars, Neptune and Saturn are Shukra, Mangal, Varun and Shani respectively.


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Iraj Singh from DPS Megacity, Kolkata
Subject :NSO    Class : Class 3

Ans 1:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 8
A is the correct answer.

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Shreyansh Jaiswal from SBSVM, Mathura
Subject :NSO    Class : Class 7

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harry potter from hogwarts, hogsmeade
Subject :NSO    Class : Class 6

Ans 1:

Aishwarya B from Shantiniketan International School , Hyderabad, HYD
Class : Class 9
I think that it is option D

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Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Subject :NSO    Class : Class 4

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Amey Goyal from Delhi Public School, PANCHKULA
Subject :NSO    Class : Class 5

Ans 1:

Isha Tiwari from KV IIT Powai, Mumbai
Class : Class 4

Ans 2:

Shreyas Krishna Jayaraman from Bala Vidya Mandir, Adyar, Chennai
Class : Class 9
Its B

Ans 3:

Isha Tiwari from KV IIT Powai, Mumbai
Class : Class 4
Yes, Arnav. It is the perfect answer. I understood perfectly (WHAT IS THIS? THE ANSWER SHOULD BE B. HOW IS IT C? THE DIAGRAM HAS NOT MADE IT CLEAR)

Ans 4:

Arnav Nandan from ST PETERS COLLEGE AGRA, Agra
Class : Class 9
Nice answer they made truly wonderful ( ITS B WHAT TYPE OF ANSWER IS THIS )

Ans 5:

shubhavi Dhondge from NPS, Banagalore
Class : Class 9
its B

Ans 6:

Devabhrith from Delhi Public School Electronic City Bangalore, Bengaluru
Class : Class 8
answer is D

Ans 7:

Hari Govind from Delhi Public School Chandigarh , Chandigarh
Class : Class 6
the answer is a

Ans 8:

SD from St J, Pune
Class : Class 7
answer is (B)

Ans 9:

Arnav Nandan from ST PETERS COLLEGE AGRA, Agra
Class : Class 9
its B because opposite sides stick and same sides doesnt

Ans 10:

A Venkata Sai Pranav from Podar International School, Bhusawal
Class : Class 9
its b

Ans 11:

ANANYA SHAH from UDGAM SCHOOL FOR CHILDREN , AHMEDABAD
Class : Class 8
It should be 'B'

Ans 12:

Krishiv Chandan Sukul from Seven 11 Scholastic School, Mumbai
Class : Class 6
answer is bbbbbb

Ans 13:

Hari Govind from Delhi Public School Chandigarh , Chandigarh
Class : Class 6
the answer is a

Ans 14:

Karthik Reddy Munnangi from Chirec International School, Hyderabad
Class : Class 8
Answer's supposed to be B

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