National Science Olympiad Forum By SOF Olympiad Trainer - Page 377
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AKSHAJ SRIVASTAVA from MOUNT LITERA ZEE SCHOOL, Kanpur
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

A


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SIDDHARTH SOMANI from Vibgyor High, Mumbai
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

Sea lion is not a fish, it is a mammal. Bat is not a bird, it is also a mammal.


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Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Subject :NSO    Class : Class 3

Ans 1:

Khanak Kapadia from Anand Vidya Vihar, Vadodara
Class : Class 5

Ans 2:

AADYA TANDON from DPS NOIDA SEC-30, Noida
Class : Class 5

Ans 3:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
c is the correct answer

Ans 4:

Anunnakee Banerjee from BBPS NOIDA, NOIDA
Class : Class 7
D is the correct answer because according to the graph time is increasing and the food is becoming colder

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ICHALKARANJI from dkte, ichalkranji
Subject :NSO    Class : Class 9

Ans 1:

Arnav Ranka from Gyan Bharati School, Saket, New Delhi
Class : Class 9
Only (iii) is correct, as both will experience same change in momentum and forces exerted are equal

Ans 2:

Aryan from Ihs, Karama
Class : Class 9
PLEASE CAN YOU SEND THE DETAILED SOLUTION FOR THE GIVEN QUESTION.

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Aarav Arya from Delhi Public School, Navi Mumbai
Subject :NSO    Class : Class 7

Ans 1:

Isha Fathima from Indian school salalah, SALALAH
Class : Class 4
the ans is a

Ans 2:

Rishab from OWS, New Delhi
Class : Class 7
Yeah

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Aarav Arya from Delhi Public School, Navi Mumbai
Subject :NSO    Class : Class 7

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C


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Nishchay Gupta from Cambridge Court World School, Jaipur
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

Smoke released from chimneys of houses spreads in the air surrounding the houses, mainly causes air pollution.


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Ayan Senapati from usha martin school , malda
Subject :NSO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D


Ans 2:

Abhigyan Panja from HEMSHEELA MODEL SCHOOL, DURGAPUR
Class : Class 5

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Agrima from Vibgyor, Pune
Subject :NSO    Class : Class 2

Ans 1:

Khanak Jha from Prime Academy, Mumbai
Class : Class 4
the correct answer is a

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

 


Ans 3:

Agrima Ghosh from DPS NEWTOWN, KOLKATA
Class : Class 3
I agree with

Ans 4:

Khanak Jha from Prime Academy, Mumbai
Class : Class 4

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Adway Bachchan from Indian School Sohar, Sohar
Subject :NSO    Class : Class 5

Ans 1:

Saarth Agrawal from Podar International School , Mumbai
Class : Class 6
IT DEPENDS ON THE SIZE OF THE STAR!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! DISTANCE DOES NOT MATTER LIKE HOW ASHWINI HAS WRITTEN HERE!!!!!!!!!!!!!!!!!!!!!

Ans 2:

Ashwini Nemade Chaudhari from akshara, Pune
Class : Class 6
Alpha centauri is not the brightest star in the night sky although it is the second closest star to the earth after the sun. Sirius-A is the brightest star in the night sky, still it is further from the earth than alpha centauri.

Ans 3:

Pramit Roy from Rabindra Bharthi Global School, Kolkata
Class : Class 6

Ans 4:

Sai Lakshmi Rao from Maneckji Cooper Education Trust, Mumbai
Class : Class 4

Ans 5:

Saanjh Puthran from Dr. Pillai Global Academy, Mumbai
Class : Class 5
Answer is B.

Ans 6:

Pramit Roy from Rabindra Bharthi Global School, Kolkata
Class : Class 6
it is true that some stars are nearer to sun, but it does not mean that the star it is brighter. Betelgeuse is the red supergiant and visible to us but its far away and alpha century is just 4 light years away from the earth, but it is not the brightest.I think the organization could solve he problem

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