National Science Olympiad Forum By SOF Olympiad Trainer - Page 273
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Priyanshi Pritam from Vibgyor High, Bangalore
Subject :NSO    Class : Class 3

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saikrishna from bharatiya vidhya bhavans public school, Hyderabad
Subject :NSO    Class : Class 6

Ans 1:

Shivangi from GEA, Mumbai
Class : Class 6
yes it should be A as silkworm is killed in the process of making silk and cotton is a fruit which we obtain its fibers from

Ans 2:

Apeksha Singh from Cambridge School , Noida
Class : Class 3
yes correct option should be A. I have reported and error.

Ans 3:

Avighna Shastri from doha modern indian school, doha
Class : Class 2
It should be aaaaaa

Ans 4:

Shubhangi Pathak from Lilavatibai Podar High School, Mumbai
Class : Class 8
The correct answer is OPTION A because cotton is obtained from the cotton plant's fruit and silk is obtained from the cocoon of silkworm after killing it by boiling the cocoon in hot water.

Ans 5:

Yashraj from pps, pune
Class : Class 6
Y IS OBTAINED FROM ANIMALS NOT PLANTS!!!!!!

Ans 6:

saikrishna from bharatiya vidhya bhavans public school, Hyderabad
Class : Class 9

Ans 7:

Saatwik Padhy from TREE HOUSE HIGH SCHOOL, VIRAR
Class : Class 7

Ans 8:

Ayansh Mallick from ,
Class : Class 6
A idiots who created SOF

Ans 9:

Yashraj Namdev Deshmukh from Sahyadri English School, Loha, Nanded
Class : Class 7

Ans 10:

Yashraj Namdev Deshmukh from Sahyadri English School, Loha, Nanded
Class : Class 7

Ans 11:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune
Class : Class 6
It should be A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A

Ans 12:

Apeksha Singh from Cambridge School , Noida
Class : Class 3

Ans 13:

Hridhaan Talukdar from National Public School Koramangala, Bangalore
Class : Class 6

Ans 14:

Satwik Dixit from Vibgyor High, Bangalore
Class : Class 6
yes ans is a

Ans 15:

saikrishna from bharatiya vidhya bhavans public school, Hyderabad
Class : Class 9

Ans 16:

Kushagra Chaturvedi from Podar International School Chinchwad, Pune
Class : Class 6
yo AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA SOULD BE IT

Ans 17:

Shreyansh from Hariyana Vidya Mandir, Kolkata
Class : Class 6
Exactly, I have reported an error

Ans 18:

VEERANGANA SINGH from DPS NOIDA, NOIDA
Class : Class 6
the answer should be A

Ans 19:

Subhang Deep Sahu from Chrysalis High Kadugodi . , Bangalore
Class : Class 7
Seriously, now SOF is telling wool is a plant based fiber

Ans 20:

Satwik Dixit from Vibgyor High, Bangalore
Class : Class 6
yes the ans is a

Ans 21:

Shivangi from GEA, Mumbai
Class : Class 6

Ans 22:

Satvik Pattanaik from GreenwoodHigh, bangalore
Class : Class 6

Ans 23:

Aakarsh from aloo public school, Lucknow
Class : Class 6
this is wild

Ans 24:

Ishani Gandhi from Lourdes convent school, Surat
Class : Class 6
Yes the answer is A

Ans 25:

Saatwik Padhy from TREE HOUSE HIGH SCHOOL, VIRAR
Class : Class 7
The correct option should be option A because X is obtained from cotton fruit and silk obtained by killing the worm inside the coocon while putting it in warm water.

Ans 26:

Aniruddha Bose from Delhi Public School, Burdwan
Class : Class 6
The correct answer should be A as cotton is a fibre which is obtained from fruit and silk is a fibre that kills silkworms in its obtaining process.

Ans 27:

Aarathy Sudhir Aarav Sudhir from Global Indian International School, Abu Dhabi
Class : Class 7
Agreed The option is A

Ans 28:

malhar thorve from city internqtional school, satara road, pune
Class : Class 6
answer must be option a

Ans 29:

saikrishna from bharatiya vidhya bhavans public school, Hyderabad
Class : Class 9
It is C

Ans 30:

Aarathy Sudhir Aarav Sudhir from Global Indian International School, Abu Dhabi
Class : Class 7

Ans 31:

Vinayak Achyutam Bhatia from DAV Public School, Kurushetra
Class : Class 6

Ans 32:

Tejas Singh from Freedom International School, Bangalore
Class : Class 6
Answer should be A. How is wool taken from a fruit and jute be an animal which is killed to get it's fiber?

Ans 33:

Aryahi Nath from Lotus Valley International School, , Greater Noida West
Class : Class 6
Correct answer is A

Ans 34:

Jai Ranjan from Next school , Mumbai
Class : Class 6
A

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Khanak Jha from Prime Academy, Mumbai
Subject :NSO    Class : Class 4

Ans 1:

MIERA SHARMA from DPS AGRA, AGRA
Class : Class 8
I CANNOT SEE IT EMBEDDED IN D OPTION

Ans 2:

Saket Khurana from DPS E-CITY BENGALURU, BENGALURU
Class : Class 9
THE CORRECT ANSWER IS D.

Ans 3:

Jaivik A from Dr. C L Metha Sishya OMR School, Chennai
Class : Class 6
The correct answer is D.

Ans 4:

Vihaan from Dhirubhai Ambani International School, Mumbai
Class : Class 4
D

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Priyanka from Kendriya vidyalaya, Chennai
Subject :NSO    Class : Class 5

Ans 1:

Priyanka from Kendriya vidyalaya, Chennai
Class : Class 5

Ans 2:

Dhanisha Agarwal from dpsnoida, noida
Class : Class 5
a

Ans 3:

Arhit Aditya Mahato from sarala birla public school, Ranchi
Class : Class 3
WUT guys its b

Ans 4:

Dakshata Banerjee from Chrysalis High, Bangalore
Class : Class 5

Ans 5:

Priyanka from Kendriya vidyalaya, Chennai
Class : Class 5

Ans 6:

Akshaj Gupta from Neerja Modi School, Jaipur
Class : Class 7
Class:B

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Iksha from Vibgyorhigh, Pune
Subject :NSO    Class : Class 1

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Iksha from Vibgyorhigh, Pune
Subject :NSO    Class : Class 1

Ans 1:

Aaditri Samanta from Vidyasagar Shishu Niketan, Midnapore
Class : Class 4
Is it is correct ?

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Iksha from Vibgyorhigh, Pune
Subject :NSO    Class : Class 1

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Iksha from Vibgyorhigh, Pune
Subject :NSO    Class : Class 1

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Kavin Karthick M from DPS bangalore east, Bengaluru
Subject :NSO    Class : Class 6

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Iksha from Vibgyorhigh, Pune
Subject :NSO    Class : Class 1

Ans 1:

Saiansh Biswas from Little Flower School, Jamshedpur
Class : Class 4
From the diagram, it looks like a root, but then it seems to stem from the answer. Kindly provide a better diagram for clarity.

Ans 2:

Swati Stalin from Yuvabharathi International School, Singapore
Class : Class 1

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