National Science Olympiad Forum By SOF Olympiad Trainer - Page 327
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Kishan Sai Bora from Ganges Valley School, Hyderabad
Subject :NSO    Class : Class 3

Ans 1:

RAY from Val, Chennai
Class : Class 4

Ans 2:

Shayan Bari from Kendriya Vidyalaya, Katihar
Class : Class 7
wsshjsdhjafdgehjw rayan bari2

Ans 3:

Navvi Maya KPR from Sacred Heart Matriculation Higher Secondary School, Chennai
Class : Class 6

Ans 4:

Shruti from ,
Class : Class 1
no Sidratul for example the 3rd one junk food does lead to health problems and it is asking for incorrect

Ans 5:

Ashlynn Bhatia from Modern Vidya Niketan Sr. Secondary School Sector - 17, FARIDABAD
Class : Class 3
stop saying nonsense you guys . do you even know each others names that you are calling each other from their names

Ans 6:

Sidratul Muntaha from Indian school Muladha, Muladha
Class : Class 5
Guarika the answer is 1,2 and 3 only (A)not only Guarika everyone else

Ans 7:

Shayan Bari from Kendriya Vidyalaya, Katihar
Class : Class 7
rayan bari==>superman

Ans 8:

Gaurika Bhasin from Genesis global school, Noida
Class : Class 2
Answer should be C

Ans 9:

Prayaan handel from Billabong high international school, Bhopal
Class : Class 4

Ans 10:

Hargun Wadhwa from Manav Rachna International School, Sector 46 Gurgaon
Class : Class 3
it should be 2 3 and 4 but it is not in the option

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Yajat Manoj from Vibgyor, Bengaluru
Subject :NSO    Class : Class 5

Ans 1:

Yajat Manoj from Vibgyor, Bengaluru
Class : Class 5

Ans 2:

Saanjh Puthran from Dr. Pillai Global Academy, Mumbai
Class : Class 5
B) Neptune

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Deepika from Vibgyor high, Mumbai
Subject :NSO    Class : Class 4

Ans 1:

Deepika from Vibgyor high, Mumbai
Class : Class 1
b

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Deepika from Vibgyor high, Mumbai
Subject :NSO    Class : Class 4

Ans 1:

Aayush Reddy Bomidika from Delhi Public School Nacharam, Hyderabad
Class : Class 9

Ans 2:

Deepika from Vibgyor high, Mumbai
Class : Class 1

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Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Subject :NSO    Class : Class 3

Ans 1:

Ashlynn Bhatia from Modern Vidya Niketan Sr. Secondary School Sector - 17, FARIDABAD
Class : Class 3
try to put yourself in my shoes . how can cotton shirt not be streched ?

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Raghav Tyagi from birla vidya niketan, new delhi
Subject :NSO    Class : Class 9

Ans 1:

sujal saronit from Delhi Public School , rourkela
Class : Class 9
A is the answer

Ans 2:

Ajay from Kendriya Vidyalaya No.2 Calicut, Calicut
Class : Class 9
Ya but IT is showing c

Ans 3:

PRIYA from Shri O.P. Jindal Vidya Niketan, Mundra
Class : Class 10
A

Ans 4:

PRIYA from Shri O.P. Jindal Vidya Niketan, Mundra
Class : Class 10
A

Ans 5:

Yash Bindal from Global Indian International School, Singapore
Class : Class 9
Correct answer is A

Ans 6:

Gayathri from DAV Public School, Thane
Class : Class 9
Correct answer is -A

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Harshad Kumar from Rajagiri Public School, Doha
Subject :NSO    Class : Class 4

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Tanushree from Asian International School, Colombo
Subject :NSO    Class : Class 7

Ans 1:

rethish from Veltech, Avadi
Class : Class 3

Ans 2:

Dhruv Singh from VIBGYOR HIGH HORAMAVU, BANGALORE
Class : Class 8

Ans 3:

siddarth from DPS Ecity, Bengaluru
Class : Class 8
formation of clouds is irreversible

Ans 4:

Surbhi Raul from DPS Bangalore East, BENGALURU
Class : Class 7

Ans 5:

nishka Alpesh Lad from U S Ostwal English Academy, Mumbai
Class : Class 7

Ans 6:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 9
Clouds when heavier fall as rain(Liquid). This rain water when runs off in the water bodies and gets heated under sun will again evaporate to the sky to form clouds again. So it is a reversible change. Hope its clear,.

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Anagha s Karnis from vijaya vittala vidyashala, MYSORE
Subject :NSO    Class : Class 7

Ans 1:

Anagha s Karnis from vijaya vittala vidyashala, MYSORE
Class : Class 8

Ans 2:

Nachiketa from Meru internation school, Hyderabad
Class : Class 7

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Anagha s Karnis from vijaya vittala vidyashala, MYSORE
Subject :NSO    Class : Class 7

The object starts from O having a straight line motion along the path OPQRS is represented by the distance-time graph shown in figure. Match the given statements to the different parts of the graph correctly.



(i) Object is moving with maximum speed.
(ii) Object starts moving in reversed direction.
(iii) Object is at rest.
(iv) Average velocity of object is zero.

(i) (ii) (iii) (iv)
A OS OP RS PQ
B OP RS QR OS
C PQ RS OP QR
D QR PQ OS OP


answer is d

Ans 1:

Rohan David from Oakridge International school, Hyderabad
Class : Class 7

Ans 2:

Rohan David from Oakridge International school, Hyderabad
Class : Class 7

Ans 3:

Anagha s Karnis from vijaya vittala vidyashala, MYSORE
Class : Class 8
During OP, distance travelled is maximum for a small period of time. Hence answer is B

Ans 4:

Mahadevan from KV Rubber Board Kottayam, Kottayam
Class : Class 9
b is answer

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