National Science Olympiad Forum By SOF Olympiad Trainer - Page 486
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Deepesh Abhijeet Gurjar from Sulochana Natu Bharatiya Vidya Bhavan , Pune
Subject :NSO    Class : Class 6

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Swastik from st marys school, new delhi
Subject :NSO    Class : Class 5

Ans 1:

Shubham Majhi from Sri Chaitanya Techno School, Bangalore
Class : Class 5
fossil fuel were formed over a long period of time because heat and pressure were applied to nitrogen

Ans 2:

Amal Amzath Ali from jss international school, dubai
Class : Class 7
no, the correct answer is b

Ans 3:

Samriddh from ,
Class : Class 5
the correct answer is B

Ans 4:

Mahi Pimparkar from Vibgyor High, Pune
Class : Class 5

Ans 5:

Shloka Kulkarni from Pawar Public School, Nanded City, Pune
Class : Class 5
B is answer

Ans 6:

Aditya Basera from Teoler High School, Jaipur
Class : Class 7
b is correct

Ans 7:

Maanvik Srivastava from Cornerstone, Hyderabad
Class : Class 5
THE CORRECT ANSWER SHOULD BE C . IT IS BECAUSE FOSSIL FUELS WERE FORMED FROM THE REMAINS OF DEAD ANIMALS AND PLANTS BURIED UNDER THE GROUND UNDER GREAT PRESSURE AND HEAT .

Ans 8:

Ishan sandip chaudhari from Divine Child International School, Ahmedabad
Class : Class 5

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11140 from pawar public school, Pune
Subject :NSO    Class : Class 6

Ans 1:

Kushal Gupta from Vibgyor High, Bangalore
Class : Class 6

Ans 2:

Kushal from Chirec, Hyderabad
Class : Class 7

Ans 3:

SHREYAS ANANDHAN from Phoenix Greens International School, Hyderabad
Class : Class 6

Ans 4:

SJ HARITHA from PSNLO, BENGALURU
Class : Class 10

Ans 5:

Krishiv Gupta from Sat Paul Mittal School, Ludhiana
Class : Class 6
Class : 5

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Aditya singh from AKSHARA INTERNATIONAL SCHOOL, pune
Subject :NSO    Class : Class 7

Ans 1:

swasti from modern vidya niketan, Faridabad
Class : Class 7
The answer should be D as the truck is in motion

Ans 2:

RIYA D MARGHADE from TVS VELAMMAL VIDYALAYA PONNERI, CHENNAI, CHENNAI
Class : Class 3
Won't the object in rest in the perspective of the truck?

Ans 3:

Sargah Surya from bgsnps, Bengaluru
Class : Class 4

Ans 4:

Anish Ranjan Senapati from V S VIDYALAYA, KORAPUT
Class : Class 5

Ans 5:

Rohan A Gowda from Jnana Sagara International Public School, Channarayapatna
Class : Class 7
The answer is Option B, Because of the inertia the object falls exactly on the point below the midpoint of the ceiling. If instead of constant velocity there was acceleration, Then option D would be correct if acceleration was positive, if it was negative then option C If zero in this case it is option B.

Ans 6:

Naitik Mundra from International School Rheintal, Buchs Sankt Gallen
Class : Class 9

Ans 7:

Naitik Mundra from International School Rheintal, Buchs Sankt Gallen
Class : Class 9

Ans 8:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option b .......

Ans 9:

Srinivas Ashutosh Sahoo from Kendriya Vidyalaya ASC Centre, Bangalore
Class : Class 7
Answer should be d

Ans 10:

Bahulika Mall from Delhi Public School Nacharam , Hyderabad
Class : Class 7

Ans 11:

Sahil Ray from Podar International School, Thane
Class : Class 7
the answer is D as the position of the truck will change and the object will be there . I got it correct

Ans 12:

Dhairya Vinayak from Loyola High School, Patna
Class : Class 8

Ans 13:

Vedang Shridhar Sasturkar from Vasant Valley School, New Delhi
Class : Class 7
The answer should be "c" as 'ahead' means toward the direction of the moving truck, but still option B is wrong

Ans 14:

Vallabh250 from L v h malegaon , MALEGAON
Class : Class 7
Va

Ans 15:

ARIHAAN SAMANTA from Springdale High School, KALYANI
Class : Class 8

Ans 16:

Anish Ranjan Senapati from V S VIDYALAYA, KORAPUT
Class : Class 5

Ans 17:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 7

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Sindhura Dumbala Reddy from Global Indian International School, Hyderabad
Subject :NSO    Class : Class 4

Ans 1:

Kanishk gupta from Prime academy, Pune
Class : Class 5

Ans 2:

Bhanu V from World One , Hyderabad
Class : Class 4
D

Ans 3:

Pranay patel from DPS east, Bangalore
Class : Class 5

Ans 4:

Arjun120914 from St. Andrews world school, Ghaziabad
Class : Class 5
D

Ans 5:

Krishika Madan Shanmugam from National Public School, Bangalore
Class : Class 4
D

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PRANAV VELDURTI from meridian school madhapur, hyderabad
Subject :NSO    Class : Class 5

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Archit Borkar from SSVM World School, Coimbatore
Subject :NSO    Class : Class 3

Ans 1:

Shruti from ,
Class : Class 1
c

Ans 2:

Sourish Mahakul from Delhi Public School Electronic City, Bengaluru
Class : Class 8

Ans 3:

Atri Pradhan from Oxebow English School, Gobardanga
Class : Class 3
b

Ans 4:

Divit khandelwal from DPS bopal Ahmedabad , AHMEDABAD
Class : Class 3
answer is bbbbbbbbbbbbbb

Ans 5:

FAIZA AMIN from SAINT XAINS INTERNATIONAL SCHOOL ANANTNAG, ANANTNAG
Class : Class 3
C

Ans 6:

SAMRIDDHA PANDA from ST. MONFORT'S SENIOR SECONDARY SCHOOL, BARUIPUR
Class : Class 7
B

Ans 7:

Archit Borkar from SSVM World School, Coimbatore
Class : Class 9
answer is B

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adhiraj chaudhary from apeejay school noida, noida
Subject :NSO    Class : Class 4

Ans 1:

nikunj from aadharshila vidyapeeth, delhi
Class : Class 4
c

Ans 2:

Ashwak from Cambridge, Jalandhar
Class : Class 9
C is the correct answer

Ans 3:

Sovan from Salt lake ca, Kolkata
Class : Class 4
OPTION c IS THE CORRECT ANSWER

Ans 4:

Bhanu V from World One , Hyderabad
Class : Class 4
C

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VAIBHAVH RAMESH from NARAYANA ETECHNO WHITEFIELD, BANGALORE
Subject :NSO    Class : Class 5

Ans 1:

Pratham Dave from GNS, Bangalore
Class : Class 7
A is the answer to this question

Ans 2:

Ahaan Mittal from Primus Public School, Bengaluru
Class : Class 8
option a is right though india has found water on the moon. They cant decompose if they are dead anyways

Ans 3:

Pratham Dave from GNS, Bangalore
Class : Class 7

Ans 4:

Shreya from Delhi Public School, Abohar
Class : Class 5
Option a is correct

Ans 5:

Ruhaan Singh from Gopalan International School, Bangalore
Class : Class 7
A

Ans 6:

Ahaan Mittal from Primus Public School, Bengaluru
Class : Class 8

Ans 7:

Advait kaushik from Ryan international school, Gurugram
Class : Class 8
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Ans 8:

DHERA from SBC ACADEMY , Dindigul
Class : Class 7
A IS THE ANSWER

Ans 9:

Advait kaushik from Ryan international school, Gurugram
Class : Class 8
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Ans 10:

shambhavi sinha from seth anandram jaipuria school , ghaziabad
Class : Class 5
a

Ans 11:

Hitanshi Behera from Loyola School , Bhubaneswar
Class : Class 4
dude who got this one wrong mam

Ans 12:

akshaj das from NARAYANA E TECHNO kaggdaspura, Bengaluru
Class : Class 8
a

Ans 13:

A Venkata Sai Pranav from Podar International School, Bhusawal
Class : Class 9
Option C

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VAIBHAVH RAMESH from NARAYANA ETECHNO WHITEFIELD, BANGALORE
Subject :NSO    Class : Class 5

Ans 1:

Sohan R Jolapuri from Amanora School, Pune
Class : Class 5
Answer: The answer could be option B. Explanation: Assume the solar system as a circle, the sun as the radius( center) and the planets' orbits as the circumference( circle boundary). Mercury, with the least circumference length, revolves less distance than any other planet. This also means that it will take the least time to revolve around the Sun( 88 Earth Days ). Neptune, being the farthest of all planets, revolves more distance compared to others. Neptune takes the highest time to revolve( 165 Earth Years).[ Viewing the solar system Diagram would help.] Therefore, less the distance from the Sun, less the time taken to revolve; more the distance from the Sun, more the time taken to revolve.

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