National Science Olympiad Forum By SOF Olympiad Trainer - Page 485
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Harsh Kedawat from Apeejay, Noida
Subject :NSO    Class : Class 6

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Payal Porwal from St John gola, Gola
Subject :NSO    Class : Class 4

Ans 1:

Kanav Dhingra from DPS sec45, Gurgaon
Class : Class 10
C:linen

Ans 2:

Archita Moi from The Newtown School, Kolkata
Class : Class 4
Thanks a lot!

Ans 3:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5
c;linen

Ans 4:

Aarav Mittal from MMIS, Mullana, Ambala
Class : Class 5
thanks for writing

Ans 5:

Abhinav from The Orchids international school, Bangalore
Class : Class 4
C. LINEN

Ans 6:

adhiraj chaudhary from apeejay school noida, noida
Class : Class 3
C:linen

Ans 7:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7

Ans 8:

Preesha Shrivastav from Suncity school, Gurgaon
Class : Class 4
Linen as it comes from flax plant stem

Ans 9:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7

Ans 10:

Aarav Mittal from MMIS, Mullana, Ambala
Class : Class 5

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Mohammad Ayaan from Delhi Public School Ghaziabad, Ghaziabad
Subject :NSO    Class : Class 4

Ans 1:

Deveshi Sachdev from venkateshwar international school, New Delhi
Class : Class 5
the correct option is C

Ans 2:

AVANTIKA V from Amrita Vidyalayam Puducherry , Puducherry
Class : Class 4
you are right

Ans 3:

Sushree snehasikta behera from Mother's public school , Bhubaneswar
Class : Class 2
Answer C is the correct answer as incisors which are present in front most teeth help to bite the food. canines are present just after incisors and help to tear the food. premolars are present just after canines which help to crush the food. molars are present at the last which help us chew and grind the food.

Ans 4:

Nishka Agarwal from NMAJS Mumbai, Mumbai
Class : Class 4
C

Ans 5:

Abhinav from The Orchids international school, Bangalore
Class : Class 4
OPTION C

Ans 6:

Kanav Dhingra from DPS sec45, Gurgaon
Class : Class 10
option C

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Shrikarthick from CS ACADEMY, ERODE
Subject :NSO    Class : Class 8

Ans 1:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 7

Ans 2:

from Bhandari Public School, KHANDWA
Class : Class 9
I don't understand the ANSWER as it also helps in mixing the nutrients uniformly in the soil.

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Devansh from asn senior secondary school, delhi
Subject :NSO    Class : Class 3

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shreyash rawat from podar international school, pune
Subject :NSO    Class : Class 4

Ans 1:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Kanav , if you know the answer then why have you posted it on the forum ?

Ans 2:

Riddhima Pandey from Chinmaya Vidyalaya, Bokaro Steel City
Class : Class 3

Ans 3:

Khanak Jha from Prime Academy, Mumbai
Class : Class 4
how do you know that Kavan knows the correct answer

Ans 4:

Harshit from Montfort , Delhi
Class : Class 7
is is b how

Ans 5:

Vidit Dubey from Gundecha Education Academy, Mumbai
Class : Class 7

Ans 6:

Kavin from ISG , Muscat, Muscat
Class : Class 5
white you are rude for sure and it IS b

Ans 7:

Aananya Singh from DPS East, Bangalore
Class : Class 4

Ans 8:

Aananya Singh from DPS East, Bangalore
Class : Class 4

Ans 9:

Kanav Dhingra from DPS sec45, Gurgaon
Class : Class 10
option B

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Anuj Sandesh Kanekar from Shrimant Maisaheb Bavadekar Academy, Kolhapur
Subject :NSO    Class : Class 6

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Pragun goel from Venkateshwar International School, Delhi
Subject :NSO    Class : Class 5

Ans 1:

Bhavya Agrawal from Cambridge Court High School , JAIPUR
Class : Class 8

Ans 2:

Riya Gupta from Birla Divya Jyoti, Siliguri
Class : Class 8
OPTION OF ANSWERS ARE WRONG. SIMMI AND SAMRAT HAVE MADE WRONG STATEMENT

Ans 3:

Prisha Shah from Euroschool Airoli, Mumbai
Class : Class 6
the options are wrong...... even the explaination is wrong

Ans 4:

Kashvi Rawat from Gear Innovative International School, Bengaluru
Class : Class 3
Answer is wrong, Souvik is saying 'avoid' while the answer is giving a different explanation .All Samrak, Souvik and Shivani are wrong.

Ans 5:

Hari Govind from Delhi Public School Chandigarh , Chandigarh
Class : Class 6
answer is wrong because if we apply tourniquet it may damage the nerves. the poison will remain its place but it may kill all the cells there

Ans 6:

RISHABH SAHOO from DAV PUBLIC SCHOOL UNIT 8 BHUBANESWAR, BHUBANESWAR
Class : Class 7
Answer is wrong

Ans 7:

ADRIJA SAHA from DPS RANIPUR, Haridwar
Class : Class 6
I think answer is wrong. Shivani is also right. Using a tourniquet prevents the poisoned blood from reaching the heart.

Ans 8:

Rajrupa and Aparupa from Oxford cbse, bangalore
Class : Class 5
answer is wrong it should be c

Ans 9:

Kanishk Mukherjee from BDM International, Kolkata
Class : Class 6
I think answer is wrong , use of tourniquet was preferred method until few years ago , it has been found it can damage blood flow and nerves

Ans 10:

harry potter from Hogwarts school of witchcraft and wizardry , london
Class : Class 5
souvik is saying 'avoid giving water to the person in case of poisoning so the poison does not spread in the body. and tying torniquet just above the wound will spread the poison more. so, the answer should be C

Ans 11:

Prerona Chatterjee from Delhi Public School North Kolkata, Kolkata
Class : Class 5
answer is ok.

Ans 12:

Reyansh Arora from The ShriRam Millenium, Noida
Class : Class 5

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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 3

Ans 1:

ANSHUL GAJJAR from PODAR INTERNATIONAL SCHOOL, AHMEDABAD
Class : Class 3
C

Ans 2:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 9
The correct answer is C.

Ans 3:

Daksh Singh from Sanskrit School Undri , PUNE
Class : Class 3
The correct answer is C

Ans 4:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 3
online document so C

Ans 5:

Advait Apte from SSRVM, Pune
Class : Class 4

Ans 6:

Advait Apte from SSRVM, Pune
Class : Class 4

Ans 7:

Havi Jain from GEMS modern academy, Gurgaon
Class : Class 8
C

Ans 8:

Daksh Singh from Sanskrit School Undri , PUNE
Class : Class 3
your answer is right

Ans 9:

Avyukta Saraswat from St Francis School , Greater noida west
Class : Class 3
how can we send parcels on e-mail

Ans 10:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 3

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SATYAM SATAPATHY from ODM PUBLIC SCHOOL BHUBANESWAR, BHUBANESWAR
Subject :NSO    Class : Class 7

Ans 1:

Sargah Surya from bgsnps, Bengaluru
Class : Class 4
C is the correct answer. Force is applied to stop the vehicle. The formulae of force is mass * acceleration. Acceleration is final velocity - initial velocity by time. F= M*{(v-u)/t} and its kinetically equation is F=M *[v square - u square/ 2 * distance]. Which ever formula for force has been taken MASS is important. So clearly MASS HAS A ROLE TO PLAY. hence the answer must be C

Ans 2:

TRIYA SOUMIK NATH from SYMBIOSIS PRIMARY SCHOOL, PUNE
Class : Class 6
Though it looks like mass has no role to play in braking distance, actually coeff of friction (COF) between tyre and road surface has inverse relationship with braking distance. COF depends on normal force due to weight of vehicle and therefore indirectly mass plays a role on braking distance. The correct answer should be C

Ans 3:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9
C only

Ans 4:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9
No b is only

Ans 5:

Anu Aarna Jagadeesan from Don Bosco School of Excellence, Chennai
Class : Class 5

Ans 6:

Soham Dighe from DAV Boys Senior Secondary School Gopalapuram Chennai, Chennai
Class : Class 8
C should be the correct answer. Same has been explained in the solution also.

Ans 7:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9
Yes

Ans 8:

Pranav Prakash from SSSVV GAIL Vijaipur, Guna
Class : Class 9
Apropos to the question the mass of the car has a role in the momentum of the car, as Momentum=mv ,therefore option 'C' should be the correct answer.

Ans 9:

Raavi from DPS, Ranchi
Class : Class 8
c is the correct answer and solution is also given in favour of option c. but answer is b

Ans 10:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9

Ans 11:

Jeevika from St Marys , Titardi , Udaipur
Class : Class 7
if you read the solution properly it is quite clear that the answer is b

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