National Science Olympiad Forum By SOF Olympiad Trainer - Page 333
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SWARIT JAIN from DPS Greater Noida, GREATER NOIDA
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

Q is an animal that lays eggs and has 4-stages in its life-cycle. Q could be butterfly or mosquito. They lay eggs, and their life-cycle has 4-stages – egg, larva, pupa and adult. The pupa stage is the non-feeding stage.


Ans 2:

Ibrahim Aslam from uttam, Ghaziabad
Class : Class 5
Admin is correct.I know that!

Ans 3:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
B

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PARTH MEHTA from Navrachana school, Vadodara
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

Biodegradable household wastes increase soil fertility.


Ans 2:

Overtaker from Blore, Blore
Class : Class 4
B

Ans 3:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
B

Ans 4:

AARNAV SINGH from Prudence school Ashok vihar Delhi, Delhi
Class : Class 3
WHY OPTION A NOT?

Ans 5:

Aaryav Misra from Vibgyor High, Bengaluru
Class : Class 4
Why not C?

Ans 6:

Aaryav Misra from Vibgyor High, Bengaluru
Class : Class 4
Sorry, meant why not A

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PARTH MEHTA from Navrachana school, Vadodara
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

Surface Y is shiny, so it may act like a mirror.


Ans 2:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
B

Ans 3:

AAGNEY GOYAL from VENKATESHWAR INTERNATIONAL SCHOOL, Delhi
Class : Class 4

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Raavi from DPS, Ranchi
Subject :NSO    Class : Class 7

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Syed Mohammad Hussain from ISAM, Muscat
Subject :NSO    Class : Class 5

Ans 1:

Saransh Singhania from Vidya Mandir estancia, Chennai
Class : Class 8

Ans 2:

pranesh from kendriya vidyalaya, New Delhi
Class : Class 5

Ans 3:

Saransh Singhania from Vidya Mandir estancia, Chennai
Class : Class 8

Ans 4:

prithika from Indian school sohar, sohar
Class : Class 5
the answer is A because all the three glasses that is A,B,C is at 75 degrees threfore option A is the right answer

Ans 5:

Shaurya Gote from KV BSF Dantiwada, S K Nagar
Class : Class 5
5I Think that there is right answer given and the right explaination given. As I am a student , ( Kendriya Vidyalaya ) a very very very very great mistake is there in the question image. It is written 75 degree but there should be just tea written there. If you say that the image is right, no problem but the answer should be AAAAA.Do you like the solution? this is written with the supervision and direction of my science teacher.

Ans 6:

Shaurya Gote from KV BSF Dantiwada, S K Nagar
Class : Class 5

Ans 7:

Shaurya Gote from KV BSF Dantiwada, S K Nagar
Class : Class 5

Ans 8:

Ahaan Dodiya from Anand Niketan International Sarkhej , Ahmedabad
Class : Class 5
The answer of this question should be A as the temperature is specified and same in all the glasses.

Ans 9:

Shaurya Gote from KV BSF Dantiwada, S K Nagar
Class : Class 5

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Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Subject :NSO    Class : Class 4

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Saarth Agrawal from Podar International School , Mumbai
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

Length of the day depends on the speed of rotation of a planet on its axis. The more is the speed the shorter is the length of the day.


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Naavya Kapoor from St Gregorios High school , Mumbai
Subject :NSO    Class : Class 4

Ans 1:

Sargun Maini from The Khaitan School, NOIDA
Class : Class 6

Ans 2:

Shreshta from Presidium, Ghaziabad
Class : Class 3
A

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

A


Ans 4:

Kanishka malik from Uttam school for girls, Ghaziabad
Class : Class 4
Please explain

Ans 5:

Hamzah Inamdar from SHARDA ENGLISH SCHOOL KAIJ DIST BEED, KAIJ
Class : Class 4

Ans 6:

SAPTARSHI SAHA from Hemsheela Model School, Durgapur
Class : Class 8

Ans 7:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The correct answer is A

Ans 8:

Shreshta from Presidium, Ghaziabad
Class : Class 3
A

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RICHA BORAH from K V ANNA NAGAR, CHENNAI
Subject :NSO    Class : Class 6

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Aarav Gupta from Cambridge International School, Jalandhar
Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

Wooden ruler is opaque, and it has a definite shape. So, it can be W.

Dough is opaque, and it doesn’t have a definite shape. So, it can be X.

Tracing paper is translucent and has a definite shape. So, it can be Y.

Haze  has no definite shape, and it is translucent. So, it can be Z. Hence, the correct option is D.


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