National Science Olympiad Forum By SOF Olympiad Trainer - Page 553
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Muhammad Zaki from Dunes International School, Mumbai
Subject :NSO    Class : Class 4

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Atharv from Lakshdham high school , Mumbai
Subject :NSO    Class : Class 5

Ans 1:

SHUBHANI LAKHERA from ANN MARY SCHOOL, Dehradun
Class : Class 5

Ans 2:

DIPTANGSU PARBAT from SOUTH POINT HIGH SCHOOL, Kolkata
Class : Class 7
It will be d

Ans 3:

SHUBHANI LAKHERA from ANN MARY SCHOOL, Dehradun
Class : Class 5
D

Ans 4:

Piyush Kumar Pruseth from Sri Aurobindo Integral Education and Research Centre, Rajgangpur
Class : Class 5
D

Ans 5:

SHUBHANI LAKHERA from ANN MARY SCHOOL, Dehradun
Class : Class 5
I too have a rabbit so answer is D

Ans 6:

Amirta Varshini K from SSM ACADEMY CBSE, Dindigul
Class : Class 5

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Hamsavarshini Swaminathan from St Anns Senior Secondary School, Roorkee
Subject :NSO    Class : Class 6

Ans 1:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
yeah the answer is d

Ans 2:

Akshara from sishya OMR , chennai
Class : Class 8

Ans 3:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 9
Truly, the answer to me is Option (D). Because, Suspect W is Silk, as its smooth, absorbance is low, its natural,

Ans 4:

Manvi Mundepi from Montfort School Roorkee, Roorkee
Class : Class 9
the answer is d only ,not any other

Ans 5:

Divyam Gupta from Bal Bharati Public School, North West Delhi
Class : Class 6
the answer is d. but when I report an error, it shows "please enter a valid error"

Ans 6:

Bhabani Prasad from Narayan School, Kolkata
Class : Class 6
Yes the answer is d as silk smells like hair when burnt and it is also smooth.It is not a good absorbent like cotton.

Ans 7:

Shourya Ganesh from The Green Acres Academy, Mumbai
Class : Class 9
ans should be d !!!!!!!!!!!!!

Ans 8:

Omkar Deshmukh from phoenix greens international school, Hyderabad
Class : Class 7
this question has insufficient data. there is nothing mentioned about wetness of the fabric swatch in the question. Suspect W seems correct to me

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Hamsavarshini Swaminathan from St Anns Senior Secondary School, Roorkee
Subject :NSO    Class : Class 6

Ans 1:

Liza Mary George from St. Thomas Residential School, Mukkolackal, Trivandrum
Class : Class 7
in digesting their high fibre diet,cows emit methane as a byproduct

Ans 2:

Harshith Hariganesh from VVT, Chennai
Class : Class 6
how "Digestion in cattle" leads to global warming? Kindly explain if someone knows

Ans 3:

Liza Mary George from St. Thomas Residential School, Mukkolackal, Trivandrum
Class : Class 7

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Avinabha Hore from DPS south kolkata, Kolkata
Subject :NSO    Class : Class 2

Ans 1:

mahati from Delhi public school, Hyderabad
Class : Class 6
Ans = Greengrocer , Grocer , Farmer.

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from Delhi Public School Noida, GHAZIABAD
Subject :NSO    Class : Class 5

Ans 1:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is B and this answer is based on the Newton's 1st law:Law of Inertia. It tells that things wan Mt to continue to do what they were doing unless acted upon by an external force. So, jet of water from can X will go further sideways because the holes in can X are more far from the table than the holes in can Y.

Ans 2:

Rimi from TLISK, pune
Class : Class 9
This is a confusing question

Ans 3:

Sahasra Shanker from KV IIT, Chennai
Class : Class 6
Ans is (D).

Ans 4:

Hitanshi Behera from Loyola School , Bhubaneswar
Class : Class 4
oye balle balle dhe shava shava, balle balle dhe shava shava, pio pio re kava kava, gana khatham hua

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Kushal from Chirec, Hyderabad
Subject :NSO    Class : Class 6

Ans 1:

Advik from DPS Patna, Patna
Class : Class 4
BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB

Ans 2:

Dushyant Singh from Shree Ram Centenial School, Indore
Class : Class 9

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Karmanya Gupta from DPS, Udaipur
Subject :NSO    Class : Class 6

Ans 1:

Aprameyan Baranidar from Seven senses Montessori, Bengaluru
Class : Class 6
I did this experiment at my home. When I did it, I observed that the water droplets were present on the leaves as well as the polythene bag. The droplets pass through Vaseline. So, the answer is A. Please correct this SOF. I lost 3 marks.

Ans 2:

Dheer Bedarker from Green Valley High school , Vadodara
Class : Class 10
The anser should be b

Ans 3:

Ishan Patil from D.A.V. B.O.R.L. Public School ,Bina, Bina
Class : Class 9
Answer is c as vaseline is applied

Ans 4:

Daksh Kumar from GCIS, Bangalore
Class : Class 7
the answer should be A

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Karmanya Gupta from DPS, Udaipur
Subject :NSO    Class : Class 6

Ans 1:

Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Class : Class 8
all will taste same isnt it

Ans 2:

Ayush Chauhan from Modern Public School, Bhiwadi
Class : Class 9
No saurabh, The answer will be B as the water will be evaporated and then there will be less water and more salt so the water in glass Q will taste more saltier.

Ans 3:

Shreyans Mondal from Sri Chaitanya Techno School Kaggadasapura Campus 1, Bengaluru
Class : Class 10

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Naman Behl from Suncity World School , Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

Nanya Gupta from Delhi public school R K Puram, New Delhi
Class : Class 9

Ans 2:

Aryaman Chetia from KENSRI SCHOOL , Bangalore
Class : Class 10

Ans 3:

Rithvik from BVM Global, Chennai
Class : Class 9
even a is not right . according to me queston is wrong

Ans 4:

Akshay Jha from DPS NERUL, Navi Mumbai
Class : Class 7
The answer is C because : total time = 14min; Total distance = 50km, 14 min in hours is equal to 14/60 = 0.23hrs if you divide, then speed is equal to 50km/0.23hrs = 50x100/23 = 5000/23 = 214.28km/hr. You're welcome.

Ans 5:

dhairya mittal from vidyashram international school jodhpur, Jodhpur
Class : Class 5
This much distance is not covered by car

Ans 6:

Siddharth from Navy Children School, KOCHI
Class : Class 4
why is the answer C????

Ans 7:

Shivansh pratap singh from Modern Vidya Niketan Aravalli Hills, Faridabad
Class : Class 8
This question is wrong, the answer can't be C.

Ans 8:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
I think that SOF must give a proper solution to this answer. Average speed=Total Distance/Total Time. Here, total distance = 50 km and the total time= 35 mins. Therefore, average speed= 50/35=10/7=1.42....km/min. I request SOF to kindly tell the solution.

Ans 9:

Hamsavarshini Swaminathan from St Anns Senior Secondary School, Roorkee
Class : Class 10
why is the answer c

Ans 10:

Akhilesh Kancharla from International Educational Academy, Hyderabad
Class : Class 7
A

Ans 11:

Debarka Das Gupta from Silchar Don Bosco School, Silchar
Class : Class 7
i think b

Ans 12:

Janani swethaa from CS ACADEMY, Erode
Class : Class 10
Why is the answer C ??Can't understand......

Ans 13:

tanmay chaudhry from BAL BHAVAN PUBLIC SCHOOL, New Delhi
Class : Class 4

Ans 14:

Maanasa from Billabong high, Chennai
Class : Class 7
question is wrong

Ans 15:

Bhumi Chheda from SVKM J V Parekh International School, Mumbai
Class : Class 9
why is the answer C can someone explain

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