National Science Olympiad Forum By SOF Olympiad Trainer - Page 318
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Hritvi from Podar International School, Mumbai
Subject :NSO    Class : Class 7

Ans 1:

Dhairya Vinayak from Loyola High School, Patna
Class : Class 8
OPTION D

Ans 2:

Hritvi from Podar International School, Mumbai
Class : Class 7
Option D

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Inesh Biswas from Adamas International School, Kolkata
Subject :NSO    Class : Class 3

Ans 1:

Sushree snehasikta behera from Mother's public school , Bhubaneswar
Class : Class 2
protein help with the growth of our body.They help in repair our body.Proteins are present in meat, eggs, fish ,milk ,and in milk products.So X can be protein

Ans 2:

Samarth Arcot Praveen from National Public School Rajajinagar, Bangalore
Class : Class 4

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

Proteins are building blocks of the body as they form tissues and muscles. They help in repair and maintenance of body. Proteins are found in meat, poultry & fish, pulses, eggs, and milk & milk products like yoghurt and cheese. So, X can be Protein.


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SIDDHARTH SOMANI from Vibgyor High, Mumbai
Subject :NSO    Class : Class 3

Ans 1:

Darsh Ranjan from Vibgyor High, Bangaluru
Class : Class 3

Ans 2:

Kanishk gupta from Prime academy, Pune
Class : Class 5
C

Ans 3:

Rishik De Sarkar from Delhi Public School Gurgaon, Gurgaon
Class : Class 7

Ans 4:

Kanishk gupta from Prime academy, Pune
Class : Class 5
C

Ans 5:

Anshuman from Army Public School Kirki, Pune
Class : Class 6
19th answers is correct

Ans 6: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

Shape of the shadow will deped on the edges of the object presented to the light source. So, if the same object is rotated the shadow will change its shape.


Ans 7:

Hamsini from yagappa international school, Thanjavur
Class : Class 5

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Srihari g from silveroaks, hyderabad
Subject :NSO    Class : Class 10

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

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

Bus is a means of land transport while the other three are means of air transport.


Ans 2:

Ashlynn Bhatia from Modern Vidya Niketan Sr. Secondary School Sector - 17, FARIDABAD
Class : Class 4
admin actually you are wrong . Helicopter is means of air transport and the other three are means of land transportSo, answer is B

Ans 3:

Aditri Dixit from TCIS, Bangalore
Class : Class 3

Ans 4:

EISH GUPTA from CMS, GOMTINAGAR 1, LUCKNOW
Class : Class 4
Answer should be A also because everyone needs fuel and cycle needs man power to run

Ans 5:

Aditri Dixit from TCIS, Bangalore
Class : Class 3

Ans 6:

EISH GUPTA from CMS, GOMTINAGAR 1, LUCKNOW
Class : Class 4
Answer should be A also because everyone needs fuel and cycle needs man power to run

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

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

A

The picture shows a postbox in which we put letters, postcards etc. It is related to a post office.


Ans 2:

Kashika Goel from DPS Noida, Noida
Class : Class 7

Ans 3:

Aditri Dixit from TCIS, Bangalore
Class : Class 3

Ans 4:

Aditri Dixit from TCIS, Bangalore
Class : Class 3

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arnav from Dps noida, Delhi
Subject :NSO    Class : Class 6

Ans 1:

Siddhartha from Gyanfort school, Farrukhabad
Class : Class 6
I suggest to buy or download pdf of sample papers. In this forum you can even answer others questions for practice.

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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

C

Jute is used to make containers for young saplings that can be planted directly because they are biodegradable.


Ans 2:

Aarav Kamdar from Global Indian International School, Singapore
Class : Class 7

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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

C

1 dm ----1/10 m 
1 mm ------1/1000 m 

1 km----- 1000 m

1 cm---------1/100 m 


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Dushyant Singh from Shri Ram Centennial School, Indore
Subject :NSO    Class : Class 5

Ans 1:

Anhad A from Chrysalis, Bangalore
Class : Class 7
I agree with Admin

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

As we know, opposite poles of magnets attract each other. Then the possible combinations can be :

Either,

P - North, Q - South, R - North, S - South, T - North, U - South, V - North, W - South  

Or,

P - South, Q - North, R - South, S - North, T - South, U - North, V - South, W - North

Lets say if Q is S - South. Then, the only possible option is (B).

 

 


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