National Science Olympiad Forum By SOF Olympiad Trainer - Page 202
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Prisha bhuyan from Chirec international school, Hyderabad
Subject :NSO    Class : Class 1

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avik gupta from rbmhs, jaipur
Subject :NSO    Class : Class 2

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Neha Choppara from Kennedy, Hyderabad
Subject :NSO    Class : Class 7

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from GIIS,
Subject :NSO    Class : Class 5

Ans 1:

Jinisha Mahajan from Delhi Public School Jalandhar, Jalandhar
Class : Class 5
Can You Please Explain This concept.. not the question..

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ria from CIA, pune
Subject :NSO    Class : Class 3

Ans 1:

Avyukta Saraswat from St Francis School , Greater noida west
Class : Class 3
i could not umderstand any part of the sollution my answer is 1 beacuse only 1 food chain has 4 organisums as rest have 3

Ans 2:

Jaanvika from The psbb Millennium school , Coimbatore coimabtore
Class : Class 3
Answer is 3 because banana fruit ->sparrow-> Python has only 3 organisms, which is not in choice. Kindly clarify!

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Aashay Mehta from Anand Niketan, Ahmedabad
Subject :NSO    Class : Class 8

Ans 1:

Paarth Vashistha from Kunskapsskolan Gurgaon , Gurgaon
Class : Class 8
Its Mercury

Ans 2:

Ashvik Banerjee from Mount Litera Zee School , Vasco
Class : Class 9

Ans 3:

Kerry Param from The Air force school, Delhi
Class : Class 10

Ans 4:

Ashvik Banerjee from Mount Litera Zee School , Vasco
Class : Class 9

Ans 5:

Ayush Gorain from Sarala Birla Public School, Ranchi
Class : Class 8
In my opinion, the correct option is option (B) - Mercury. In fact, the question is phrased in an incorrect manner, for no planet is consistently the nearest planet to the Earth all the time (because the planets revolving around the Sun orbit at different speeds and at different angles), thus no planet can be the 'nearest' planet to the Earth. Therefore, the question should be : "The nearest planet to the Earth, on average, is -", or "The planet that is mostly the closest planet to the Earth is -". If the question was phrased this way, the answer would be Mercury, as Mercury, on average, is the closest planet to the Earth (according to recent research). This is because Mercury has the smallest orbit of all celestial objects orbiting the Sun. Thus, from Earth, Mercury never moves as far as the other planets (Venus and Mars) throughout their revolution around the Sun. For example, when Mars and Venus are opposite the Earth (across the Sun), Mercury is the closest planet to the Earth. By averaging these distances, it is evident that Mercury, due to its small orbit, is mostly the closest planet to the Earth. In fact, due to its small body, Mercury is the closest celestial body for every other celestial body orbiting the Sun (according to current research), on average. Thus, in my opinion, the answer to this question should not be option (A), but option (B)

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Avisha from DPS pal road, Jodhpur
Subject :NSO    Class : Class 9

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Agastya Aryaman from DPS GREATER NOIDA, GREATER NOIDA
Subject :NSO    Class : Class 8

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from GIIS,
Subject :NSO    Class : Class 3

Ans 1:

from GIIS,
Class : Class 4

Ans 2:

from GIIS,
Class : Class 4

Ans 3:

from GIIS,
Class : Class 4

Ans 4:

Kashika Goel from DPS Noida, Noida
Class : Class 7
option D all of these is correct

Ans 5:

from GIIS,
Class : Class 4

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ria from CIA, pune
Subject :NSO    Class : Class 3

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