National Science Olympiad Forum By SOF Olympiad Trainer - Page 355
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Jasnoor Kaur from dav pakhowal , Ludhiana
Subject :NSO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

According to the given flow chart P is not a natural substance. So, it can be a man-made substance. Q, R and S are natural substances. Q is obtained from plants and R is obtained from animals whereas S could be any other natural substance such as metal, air, water, etc.


Ans 2:

Vedant from DON BOSCO, CHENNAI
Class : Class 2
ok

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Jasnoor Kaur from dav pakhowal , Ludhiana
Subject :NSO    Class : Class 5

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Sarbari Pal from DPS FARIDABAD, Faridabad
Subject :NSO    Class : Class 8

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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 9
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
Answer should be b

Ans 2:

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

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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 8
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 9
A is the correct answer.

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

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