National Science Olympiad Forum By SOF Olympiad Trainer - Page 302
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Prachi Chauhan from Rbk global, Thane
Subject :NSO    Class : Class 7

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GAURISHA from MVN, Faridabad
Subject :NSO    Class : Class 5

Ans 1:

Akanksha Mohapatro from DPS Bangalore North, Bangalore
Class : Class 5

Ans 2:

Shreyansh Gupta from MVN, faridabad
Class : Class 5
dfgfvnjkunfhgcfdcfdcdfvdfxvdfvdvdv full out of full horray

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Shayan Bari from Kendriya Vidyalaya, Katihar
Subject :NSO    Class : Class 3

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Shayan Bari from Kendriya Vidyalaya, Katihar
Class : Class 7
Bot STD and Local is used within a country.

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Dhruvan G from Indian School al Ghubra, Muscat
Subject :NSO    Class : Class 9

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B


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Shourya Kumar from Delhi Public School Noida, Noida
Subject :NSO    Class : Class 6

Read the given statements and mark the correct option.
Statement 1 : While fixing a metal rim on a wooden wheel of a cart, the size of the metal rim is kept slightly smaller than that of the wooden wheel.
Statement 2 : Metals expand on heating and contract on cooling.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of
statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true and statement 2 is false.
D Both statements 1 and 2 are false.


metal rim is kept slightly larger than the wheel not smaller

Ans 1:

Veera Kothari from sanjivani academy , kopargaon
Class : Class 3
it can be kept both smaller and larger than wheel as metals expand on heating and contract on cooling

Ans 2:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 9
charvi, statement one is true as aafter fixing on wood , matel needs to contract to get tighterhence , the size is slightly smalle than wood

Ans 3:

Nitya Dey from DPS, VINDHYANAGAR
Class : Class 5

Ans 4:

Tanmay Chaudhary from MIET public school, MEERUT
Class : Class 7

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Ayush from tisb, Bangalore
Subject :NSO    Class : Class 6

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Dhruvan G from Indian School al Ghubra, Muscat
Subject :NSO    Class : Class 9

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B


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Ashher Pervez from DPS Bhilai, Bhilai
Subject :NSO    Class : Class 7

Refer to the given food web.


Which of the following holds true regarding this?

AThere are four primary consumers and one secondary consumer in the given food web.
BThere are two herbivores and two carnivores in the given food web.
C Snake is serving as both primary and secondary consumer in this food web.
DIf grasshopper and beetle population is removed from this community then frog population will be affected negatively.


Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D


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Nivy from Anan International School, Coimbatore
Subject :NSO    Class : Class 6

Ans 1:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
Oh actually it does sorry for asking wrong doubt

Ans 2:

Dushyant Singh from Shree Ram Centenial School, Indore
Class : Class 9

Ans 3:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
Does paint float on water? Actually it sinks right?

Ans 4:

SJ HARITHA from PSBS, BENGALURU
Class : Class 8

Ans 5:

Aarnav Grover from Anand Niketan Shilaj, Ahmedabad
Class : Class 9
I think density of paint is less than density of water (0.9 : 1.0 g/cm3 ratio )

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

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