National Science Olympiad Forum By SOF Olympiad Trainer - Page 362
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Anunnakee Banerjee from BBPS NOIDA, NOIDA
Subject :NSO    Class : Class 2

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Dhruv from NARAYANA E TECHNO SCHOOL MDYL, Chennai
Subject :NSO    Class : Class 3

Ans 1:

ARIHANT from SCHOOL OF SCHOLARS, AMRAVATI
Class : Class 3
WRONG MASTER

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is option D. 


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Dhruv from NARAYANA E TECHNO SCHOOL MDYL, Chennai
Subject :NSO    Class : Class 3

Ans 1:

Achyut Rai from THE KHAITAN SCHOOL, NOIDA
Class : Class 7
its A

Ans 2:

Aditya Shinde from Abhinav School , Pune
Class : Class 3

Ans 3:

Aryan fugnar from Sahakar Vidya mandir, Sangrampur
Class : Class 3

Ans 4:

Achyut Rai from THE KHAITAN SCHOOL, NOIDA
Class : Class 7

Ans 5:

Jeevitha Gnanadev from Sri Kumaran children's home , Bengaluru
Class : Class 3
But red means white ?? But red means white ??

Ans 6: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(C): The colour of human blood is Red but Red means Black.


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ARYAN PANDHI from AHMEDABAD INTERNATIONAL SCHOOL, AHMEDABAD
Subject :NSO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

Bird P has a hooked beak, which is suitable for traring and eating flesh of animals.
Bird Q has a pouch under the beak, which is suitable for gulping the whole fish.
Bird R has long pointy beak, which is suitable for drinking nectar of flowers.
Bird S has the short beak, which is suitable for eating seeds and grains.


Ans 2:

Archit Raj from Little ANGELS school , Munger
Class : Class 5
C

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ARYAN PANDHI from AHMEDABAD INTERNATIONAL SCHOOL, AHMEDABAD
Subject :NSO    Class : Class 5

Ans 1:

Archit Raj from Little ANGELS school , Munger
Class : Class 5
B

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

P - Ant, Q - House fly, R - Honeybee, S - Cockroach
A rubbish dump mostly has ants, flies and cockroaches.


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ARYAN PANDHI from AHMEDABAD INTERNATIONAL SCHOOL, AHMEDABAD
Subject :NSO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

It takes 16 days for the animal X to become an adult after it is hatched. The shortest time-span is of egg stage, that is of 4 days.


Ans 2:

Advait Anand from Delhi Public School Ghaziabad, Ghaziabad
Class : Class 5

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Sanaya Singh from Hiranandani Foundation, Mumbai
Subject :NSO    Class : Class 2

Ans 1:

anu from Haralur, Bengaluru
Class : Class 5

Ans 2:

anu from Haralur, Bengaluru
Class : Class 5
b

Ans 3:

Aashi Adwita from Delhi Public School , Secunderabad
Class : Class 4
B

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Tay Wen Xuan from Inspiros International School, SHAH ALAM
Subject :NSO    Class : Class 9

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Jasmine Kaur from Venkateshwar International School , New Delhi
Subject :NSO    Class : Class 5

Ans 1:

Saksham Chanani from Sri Sri Academy, Kolkata
Class : Class 9
nahi

Ans 2:

Aarna Panjiar from The Shri Ram School, New Delhi
Class : Class 9
Anant is right. Warm clothes do not generate heat.

Ans 3:

Hitanshi Behera from Loyola School , Bhubaneswar
Class : Class 4
Warm clothes do not generate heat but also do not allow cool air to enter hence creating warmth for the naptholine balls

Ans 4:

Anant Saxena from Delhi public school Gandhinagar , Gandhinagar
Class : Class 9
WOOLLEN CLOTHES DONT HAVE WARMTH THEY CANT CHANGE TEMPRATURE BY THEMSELVES THE CORRECT ANSWER SHOULD BE C

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Anika S Kumar from Alphabets International school , Chennai
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

When the water of beakers X and Y will be mixed, the final temperature will be somewhere between 50°C-80°C. So the temperature will be < 80°C after an hour.


Ans 2:

Muhammad Ibrahim Siddiqui from The Millennium School - Dubai, DUBAI
Class : Class 7

Ans 3:

Muhammad Ibrahim Siddiqui from The Millennium School - Dubai, DUBAI
Class : Class 7
babuski

Ans 4:

Twisha Arora from Modern Vidya Niketan, Sector - 17, Faridabad, Haryana, FARIDABAD
Class : Class 7
(Master Answer)The correct answer is D.

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