National Science Olympiad Forum By SOF Olympiad Trainer - Page 312
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Dushyant Singh from Shri Ram Centennial School, Indore
Subject :NSO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C


Ans 2:

Kiara Saxena from Shishukunj International, Indore
Class : Class 5

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Aarav Srivastav from DWPS , Noida Extension
Subject :NSO    Class : Class 6

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Aniket Ghosh from DAV Public School Haldia, Haldia
Subject :NSO    Class : Class 7

Ans 1:

Vasu tyagi from St Joseph's High school, Panvel
Class : Class 6
Answer is D .Because the time is going on but no displacement.so we can also say that the body is in rest

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Amrik Pal from Kendriya Vidyalaya DRDO, Bangalore
Subject :NSO    Class : Class 6

Ans 1:

Amrik Pal from Kendriya Vidyalaya DRDO, Bangalore
Class : Class 6
b

Ans 2:

Aarav Gupta from Cambridge International School, Jalandhar
Class : Class 5
b

Ans 3:

Siddhartha from Gyanfort school, Farrukhabad
Class : Class 6
I think C can be the answer

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Aditri Dixit from TCIS, Bangalore
Subject :NSO    Class : Class 3

Ans 1:

ADVAY BANSAL from LOTUS VALLEY INTERNATIONAL SCHOOL GURUGRAM, GURUGRAM
Class : Class 6
ITS A ITS BIRD WINGS ITS LOKING LIKE OUR HANDS

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

A


Ans 3:

Santina Suzanne from owis, bangalore
Class : Class 4
It is a fish. the fingers are the fins

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SANVI from D PS VADODARA, Vadodara
Subject :NSO    Class : Class 8

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Ashi Goyal from Sacred heart convent school,raikot road,barnala, punjab
Subject :NSO    Class : Class 6

Ans 1:

Aarav Gupta from Cambridge International School, Jalandhar
Class : Class 5
d canbe the answer

Ans 2:

Siddhartha from Gyanfort school, Farrukhabad
Class : Class 6
D option can be correct.

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Ashi Goyal from Sacred heart convent school,raikot road,barnala, punjab
Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

A shadow is formed on the other side of the object as the source of light. The image formed by pin hole camera are inverted ,smaller and real. We see stars because they have light of their own.


Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

A shadow is formed on the other side of the object as the source of light. The image formed by pin hole camera are inverted ,smaller and real. We see stars because they have light of their own.


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Arav Jain from Global edge school, Hyderabad
Subject :NSO    Class : Class 7

Ans 1:

Bhumi Chheda from SVKM J V Parekh International School, Mumbai
Class : Class 9
The answer should be B right?

Ans 2:

Arav Jain from Global edge school, Hyderabad
Class : Class 5

Ans 3:

Sainyam Sharma from Thakur Public School, Mumbai
Class : Class 7
c

Ans 4:

Tanav from Jodhamal Public School, Jammu
Class : Class 7
the answer is b c d

Ans 5:

mughilan from NCFE, BANGALORE
Class : Class 9

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Shweta Garg from Vibgyor high, Vadodara
Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

Sand, Sawdust and Talcum Powder particles are not soluble in water. Sugar particles are soluble in water. So, sugar is the odd one out, and it is circled correctly.
Wood, Plastic and Rubber are non-metals, while Aluminium is a metal. So, Aluminium is the odd one out. That means Rubber is circled incorrectly. 
Iron, Copper, Zinc and Mercury – all are solid metals. But Mercury is the only metal that is liquid at standard temperature and pressure. So, mercury is the odd one out, and it is circled correctly.
Glass Marble, Stapler Pin and Needle are objects shapes and manufactured by men. Feather is a naturally occurring object. So, feather is the odd one out, and it is circled correctly.


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