National Science Olympiad Forum By SOF Olympiad Trainer - Page 568
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kushal from indian school sohar, sohar
Subject :NSO    Class : Class 8

Ans 1:

Sahasra Shanker from KV IIT, Chennai
Class : Class 6
what is the answer? and why

Ans 2:

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

Ans 3:

VISHNU T M from b, Bengaluru
Class : Class 9
It is 2

Ans 4:

Hprakash09 from Billabong high Bhopal, Bhopal
Class : Class 7
Shouldn't it be Option C? I can only see 2 pairs, i.e. D/E and R/T.

Ans 5:

SRIJA SRINIVASAN PAKU from KENDRIYA VIDHYALAYA ASHOK NAGAR, Chennai
Class : Class 8
can someone explain how this question works?

Ans 6:

ICHALKARANJI from dkte, ichalkranji
Class : Class 8
Option D is correct

Ans 7:

Anoushka Anbu from Amara Jyoti Public School, Bengaluru
Class : Class 8

Ans 8:

Anoushka Anbu from Amara Jyoti Public School, Bengaluru
Class : Class 8
The 2 pairs are: D

Ans 9:

Mrudula Achar from Greenwood High, Bangalore
Class : Class 9
Yep it is 2

Ans 10:

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

Ans 11:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
should be option c as I can see only 2 pairs

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Shaurya Suryawanshi from The Orbis school, Pune
Subject :NSO    Class : Class 4

Ans 1:

Shiven Dinkar from DPS Noida, Delhi
Class : Class 4

Ans 2:

Yatindra G from SBOA, Chennai
Class : Class 4
Answer is B because neem leaves contain a special substance that kills the insects when they eat it.

Ans 3:

Abhyuday Dutta from DPS NOIDA, Ghaziabad
Class : Class 5
I agree with Yatindra and Shailaja. The correct answer is B)

Ans 4:

SUHARSH SAXENA from dpsnoida, Noida
Class : Class 4
I think b would Be the ans

Ans 5:

k tagore from montessori school, KURNOOL
Class : Class 3
neem leaves are natural things to protect clothes

Ans 6:

R SAI HARSHIL from HILLSIDE SCHOOL, Hyderabad
Class : Class 4
shaurya is right

Ans 7:

Mohit Sahu from ,
Class : Class 4
Actually, all of these are correct as orange peels contain citrus which drives the insects away,neem leaves contain medicinal properties,coriander seeds contain a special property to kill insects...

Ans 8:

Shaurya Suryawanshi from The Orbis school, Pune
Class : Class 7
its 'd' only

Ans 9:

Sargun Maini from The Khaitan School, NOIDA
Class : Class 6

Ans 10:

Abhra Joshi from Global City International School, Bangalore
Class : Class 4

Ans 11:

anu from Haralur, Bengaluru
Class : Class 5

Ans 12:

Shailaja Divakar from Chennai public school global school, London
Class : Class 6
it is only b. when you read the extra points, they told that Moth balls can damage clothes.

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ELDHO BENOY from St Pauls School, New Delhi
Subject :NSO    Class : Class 6

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Champ from Reliance Foundation School, Mumbai
Subject :NSO    Class : Class 7

Ans 1:

SOMDATTA BHATTACHARYA from Delhi Public School, Dhaligaon, Bongaigaon
Class : Class 5
I DO NOT UNDERSTAND

Ans 2:

Himanish Basu from Army Public School Kamaraj Road, Bangalore
Class : Class 7
YOU NEED NOT UNDERSTAND.

Ans 3:

Sarthak yadav from RPS, Mahendragarh
Class : Class 9

Ans 4:

Snigdha swaminath from Christ nagar higher secondary school , Trivandrum
Class : Class 7
PLS EXPLAIN

Ans 5:

Ishan Patil from D.A.V. B.O.R.L. Public School ,Bina, Bina
Class : Class 9

Ans 6:

Anika S Kumar from Alphabets International school , Chennai
Class : Class 7
Please explain?

Ans 7:

Sarthak yadav from RPS, Mahendragarh
Class : Class 9

Ans 8:

Snigdha swaminath from Christ nagar higher secondary school , Trivandrum
Class : Class 7
4.186*10*1000=126*10 raised to 4

Ans 9:

Shreya Sudarshan from RVK - Banashankari, Bengaluru
Class : Class 7
can a solution be given for the following question

Ans 10:

Sarthak yadav from RPS, Mahendragarh
Class : Class 9

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Trisha Bomanwar from Chirec, Hyderabad
Subject :NSO    Class : Class 3

Ans 1:

Vivaan Kohli from Greenwood High International School, Bangalore
Class : Class 7
Answer should be A

Ans 2:

Aathrei MS Damodaran from Chrysalis High, Bengaluru
Class : Class 7
How is c the answer ?

Ans 3:

Aarna Agarwal from Manav Rachna International School, Gurgaon
Class : Class 5

Ans 4:

SS from meridian, hyderabad
Class : Class 5
ohhhhhh

Ans 5:

Deshna Singh from Lexicon International, Pune
Class : Class 3
How its answer is D?

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NEEV SINGH from VISHWA BHARATI PUBLIC SCHOOL, Noida
Subject :NSO    Class : Class 4

Ans 1:

Student from School, City
Class : Class 8
Rubber ball has a fixed shape.

Ans 2:

shreyash rawat from podar international school, pune
Class : Class 8

Ans 3:

shreyash rawat from podar international school, pune
Class : Class 8
its [c]

Ans 4:

Samaira from Global Indian International School, Bangalore
Class : Class 8
Why have u posted this question on forum if u know the answer????

Ans 5:

Sashriti Das from Delhi Public School Bangalore North, Bangalore
Class : Class 5
C

Ans 6:

Gayatri Iyer from Sanskriti School, Pune
Class : Class 9
Ans is c only

Ans 7:

Kriti Bhonsale from Delhi Public School, Bengaluru
Class : Class 5
C is correct

Ans 8:

somesh from Centre point katol road, Nagpur
Class : Class 6
C

Ans 9:

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

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Aaryaman Pradhan from De paul School , Berhampur
Subject :NSO    Class : Class 4

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Nishith Chilukuri from Tejasvi Vidyaranya, Hyderabad
Subject :NSO    Class : Class 5

Ans 1:

shreyash rawat from podar international school, pune
Class : Class 8
both carrots and turnips can be propagated vegitavely by sowing seeds in their roots section, So the ans is D

Ans 2:

sankerths s from Shishya BELM public School, Bangalore
Class : Class 10
D

Ans 3:

SRIRAM SRINIVASAN PAKU from KENDRIYA VIDHALAYA ASHOK NAGAR, CHENNAI
Class : Class 6
D yeah

Ans 4:

Archana from Opg World School, New Delhi
Class : Class 7

Ans 5:

AARAV AGRAWAL from BIRLA DIVYA JYOTI, SILIGURI
Class : Class 8
Both carrots and turnips can be propagated vegetatively by sowing suitable sections of their root, hence, option D.

Ans 6:

Saanvi Prasad from DPS Noida, Noida
Class : Class 5
Answer is D!! i wrote it wrong as B lol

Ans 7:

Tanish Barasia from NPS International School, Singapore
Class : Class 8

Ans 8:

Niththila Vinoth from BVM Global, Chennai
Class : Class 5
Niththila Answer is D

Ans 9:

Shloka Kulkarni from Pawar Public School, Nanded City, Pune
Class : Class 5
D

Ans 10:

Mrinal from Narayana e techno school, Bangalore
Class : Class 5
D

Ans 11:

RAMAYANI PAKHARE from S M SHETTY HIGH SCHOOL, MUMBAI
Class : Class 6
answer is D

Ans 12:

Navya GUPTA from dps noida, Noida
Class : Class 3
D

Ans 13:

sarah pranav gothivarekar from Indian School Al Gubra, Muscat
Class : Class 4
even I write it as B

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Sanjana Iyer from HFS Powai, Mumbai
Subject :NSO    Class : Class 7

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Sanjana Iyer from HFS Powai, Mumbai
Subject :NSO    Class : Class 7

Ans 1:

PARNIKA SINGH from GYAN GANGA EDUCATION ACADEMY, RAIPUR
Class : Class 10
no logic is involved

Ans 2:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
how can this be

Ans 3:

Abhaid Goel from Indian School , Muladha
Class : Class 10
no logic in it

Ans 4:

Jignesh Girase from Oak Buds , Ramnagar
Class : Class 7
answer is d none of these

Ans 5:

Aarush from SNBP Rahatani Pune, Pune
Class : Class 8
it is possible

Ans 6:

Aarush from SNBP Rahatani Pune, Pune
Class : Class 8
Answer is c

Ans 7:

vrahulprakaash from Amm, Chennai
Class : Class 7
HOW IS THIS POSSIBLE

Ans 8:

Amogh nandan from Frank Anthony public school, Bangalore
Class : Class 7
It’s coded as every alternate prime number stating from 1 the sequence goes like 1,3,7,13,19 and so on from the letter mentioned to the prime number that is corresponding such as D=1 I=3 A=7, D=D I=f

Ans 9:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 9
I explained it.. wher it is??

Ans 10:

Aravind from FIS, Bangalore
Class : Class 8
someone please explain

Ans 11:

Arjun gupta from Dps noida , Noida
Class : Class 7
someone please explain

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