National Science Olympiad Forum By SOF Olympiad Trainer - Page 676
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Tanya A Mandali from Sri Kumaran Public School , Bangalore
Subject :NSO    Class : Class 5

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Anant V Manoj from Bharatiya Vidya bhawan, Thrissur
Subject :NSO    Class : Class 7

Ans 1:

Papiya Biswas from ARMY PUBLIC SCHOOL, Kolkata
Class : Class 5
option B

Ans 2:

Anant V Manoj from Bharatiya Vidya bhawan, Thrissur
Class : Class 7

Ans 3:

Nabhajit Bhar from Techno India Group Public School, Chinsurah
Class : Class 7
option B

Ans 4:

Sunidhi chatterjee from Carmel school kargali , Bokaro
Class : Class 7
I think it's option b earthworm

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Karmanya Gupta from DPS, Udaipur
Subject :NSO    Class : Class 5

Ans 1:

Mohammed Najl from Credence high school Dubai, Dubai
Class : Class 5
i think it is option a b and c

Ans 2:

AHELI CHAKRABARTI from BGS INTERNATIONAL PUBLIC SCHOOL, DWARKA
Class : Class 3
Option D has a backbone for sure so the answer should be either A,B or C.

Ans 3:

Aryan Sirohi from Mount LItera Zee School, Bangalore
Class : Class 8
D

Ans 4:

Niten Mohan from ,
Class : Class 2
According to Known Scientific facts options a) b) and c are non vertebrate so why are Options a and b are not part of right answer? At times quality of questions raise a doubt about due diligence being put in articulating the questions .

Ans 5:

Rudra Tripathi from DPS Noida, Noida
Class : Class 10
According to scientific facts all reptiles have backbone . If they didn't have a backbone they couldn't crawl .

Ans 6:

Inamul from Springs, Nilambur
Class : Class 9
the answer is c crickets donot have backbone. fish obviously has backbone snakes have flexible backbone(cartilage) and all reptiles have backbone

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Dheer Pandey from Sentia The Global School, Hyderabad
Subject :NSO    Class : Class 4

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YATIKA.GANDHI from Delhi Public School, Noida
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is D.

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rupa from jss, Dubai
Subject :NSO    Class : Class 4

Ans 1:

Arnav kaul from Chirec, Hyderabad
Class : Class 2
d because Mary is only 1 year 5 months old and Punit is 1 year 6 months old

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Daksh from RKC, Rajkot
Subject :NSO    Class : Class 4

Ans 1:

Krish Yuvaraja from Northvail Elementary school, PARSIPANNY
Class : Class 4
Answer D

Ans 2:

SWARIT JAIN from DPS Greater Noida, GREATER NOIDA
Class : Class 9
d

Ans 3:

TANVI D MARGHADE from PODAR INTERNATIONAL SCHOOL POWAI, MUMBAI
Class : Class 6

Ans 4:

Chetan Datta Rajavaram from Meridian madhapur, Hyderabad
Class : Class 10
Answer is D

Ans 5:

Dakala Murari from Indian school of excellence, Bangalore
Class : Class 4
Answer is D as both A and B are correct.

Ans 6:

viha from Silver Oaks International School, Sarjapur, Bangalore
Class : Class 4
Using the person's perspective, even A is correct. So the answer is D.

Ans 7:

Omkar Deshmukh from phoenix greens international school, Hyderabad
Class : Class 7

Ans 8:

Soorya Tej R from Delhi Public School, Hyderabad
Class : Class 4

Ans 9:

Archit Borkar from SSVM World School, Coimbatore
Class : Class 9
Answer should be D

Ans 10:

Deepayan Das from South Point High School, Kolkata
Class : Class 6

Ans 11:

Chetan Datta Rajavaram from Meridian madhapur, Hyderabad
Class : Class 10

Ans 12:

Hardik Gupta from Chettinad Vidyashram, Chennai
Class : Class 6
it is D because both of the ways lead her to the bus stop

Ans 13:

Adarsh from DPS, Raipur
Class : Class 5
The answer is D as the both option A and B reaches her to the bus stop.

Ans 14:

kaashvi from Deens Academy, Bangalore
Class : Class 9
D

Ans 15:

Vivaan A V from Loyola school, Jamshedpur
Class : Class 4
Both 'A' and 'B' are correct So answer should be 'D'

Ans 16:

Deepayan Das from South Point High School, Kolkata
Class : Class 6
it would not be D as in D there is straight,so,she would move straight then right ,she would turn right, but will not go or move right!So to move her there should be 'straight' after every instruction.Hence,there is no straight after every instruction,it is not 'D'.

Ans 17:

GOPIKRISHNA from DAV PUBLIC SCHOOL NTPC KANIHA , TALCHER
Class : Class 4
B IS CORRECT BECAUSE IF SHE GOES WITH OPTION.-A, C, D AS IN A IT HAD MISSED ONE LINE THAT IS STAIRTH. GOPI KRISHNA CLASS. 4 SEC A GOLD MEADALIST.

Ans 18:

Arnav kaul from Chirec, Hyderabad
Class : Class 2
B

Ans 19:

Arman Singhal from Deens Academy, Bengaluru
Class : Class 9
Answer should be D as from both options A and B she can reach the bus stop.

Ans 20:

Zayan Mustafa from Goldcrest High, Navi Mumbai
Class : Class 5
THe answer is c

Ans 21:

Shaurya Suryawanshi from The Orbis school, Pune
Class : Class 7
It's 'D' because she will turn right as shown in the given figure

Ans 22:

Kashyap Shankar from NPS, Singapore
Class : Class 6

Ans 23:

Kairav Gupta from Bombay Scottish School, Mahim, Mumbai
Class : Class 4
Yes both A and B are correct. Answer is D.

Ans 24:

RAGHAV VARSHNEY from CITY MONTESSORI SCHOOL GOMTINAGAR LUCKNOW, Lucknow
Class : Class 7
Answer should be D

Ans 25:

TANVI D MARGHADE from PODAR INTERNATIONAL SCHOOL POWAI, MUMBAI
Class : Class 6
D is the correct ans

Ans 26:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7
Can you tell the answer to this question

Ans 27:

Mahadevan from KV Rubber Board Kottayam, Kottayam
Class : Class 9
Answer is D

Ans 28:

Adway Bachchan from Indian School Sohar, Sohar
Class : Class 8
it should be d cause of the directions in a

Ans 29:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The answer B is correct ..... She cannot reach at the Bus Stop if she follows the directions in option A........

Ans 30:

vamsika from Yuva Bharathi Public school, coimbatore south
Class : Class 5
answer should be d. You are wrong ashwak and gopikrishna.

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Aryan Sirohi from Mount LItera Zee School, Bangalore
Subject :NSO    Class : Class 5

Ans 1:

Aryan Sirohi from Mount LItera Zee School, Bangalore
Class : Class 8
the answer is D because it is full moon you brainless idiot,Shivam Dave

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Aryan Sirohi from Mount LItera Zee School, Bangalore
Subject :NSO    Class : Class 5

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Ganesh from Global Indian International School, Kuala Lumpur
Subject :NSO    Class : Class 8

Ans 1:

MandarPalkar from KV DRDO, Bangalore
Class : Class 8

Ans 2:

Utkarsh Jetly from g, ggn
Class : Class 9
See...it has to be B as the bacteria doubles every minute...considering this if the cup is full at 60 minutes, it has to be half 1 minute ago, i.e, 59 minutes

Ans 3:

Shivom Shetty from Parle Tilak vidyalay ICSE, Mumbai
Class : Class 8

Ans 4:

VIDULA SINGH from MOUNT CARMEL SCHOOL DWARKA, NEW DELHI
Class : Class 8

Ans 5:

Jaanvi Harish Marda from Shraddha Olympiad school, Ichalkaranji
Class : Class 4

Ans 6:

Bhramana Roy from Glendale Academy International, Hyderabad
Class : Class 8

Ans 7:

dhruv from Sri Aurobindo Memorial School, Bengaluru
Class : Class 9
it should be 59 minutes as amoeba undergoes binary fission every minute. therefore,half of the jar will be filled in 59 minutes.after a minute it undergoes binary fission and fills the jar.

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