National Science Olympiad Forum By SOF Olympiad Trainer - Page 773
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Senthil Kumar from ARB INTERNATIONAL SCHOOL, Coimbatore
Subject :NSO    Class : Class 7

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Arihant Tripathy from SAI International School, Bhubaneswar
Subject :NSO    Class : Class 6

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Soham Gupta from JSSIS Dubai, Dubai
Subject :NSO    Class : Class 3

Ans 1:

from ,
Class :
P. Because water polluted by Industrial waste and farm pesticides will still have pollutants that cannot be cleaned by the water treatment plant.

Ans 2:

aarav m from kumarans, bengaluru
Class : Class 3
D

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Shomili from Global Indian International School, Singapore
Subject :NSO    Class : Class 6

Ans 1:

Shweta Garg from Vibgyor high, Vadodara
Class : Class 8
the questions below please give her an appointment on Wednesday morning or Sunday or Friday or Thursday or Wednesday or Tuesday or Monday or Saturday afternoon to be more difficult times that he doesn't say they can't have enough

Ans 2:

Bhavtosh Tripathi from Maneckji Cooper Education Trust School, Mumbai
Class : Class 9
The answer should be A.When the object is close to the bulb more light will be diffracted so the image will not be sharp.I have performed this at a lab.

Ans 3:

Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Class : Class 8

Ans 4:

Shreyan from San, Pune
Class : Class 6
A

Ans 5:

Deeptajit Roy from Gems Modern Academy, Dubai
Class : Class 10
answer is A. i just checked this with my lamp

Ans 6:

Dheeraj Thriyambak M from Sri Sankara Senior Secondary School Adyar, Chennai
Class : Class 6
Answer is A probably we should complain

Ans 7:

Shweta Garg from Vibgyor high, Vadodara
Class : Class 8

Ans 8:

Pratheek from Null, Null
Class : Class 4
The answer must be A. We have performed this experiment at our school.

Ans 9:

sujata patel from Podar International, Pune
Class : Class 6
aaaaaaaaaaaaaaaaaaaaa

Ans 10:

Anav Jain from DPS , Delhi
Class : Class 3
answer is A . I checked with a torch.

Ans 11:

Dheeraj Thriyambak M from Sri Sankara Senior Secondary School Adyar, Chennai
Class : Class 6
Report error

Ans 12:

Deeptajit Roy from Gems Modern Academy, Dubai
Class : Class 10
the answer is A, the shadow is sharp or perfect in shape when close to a screen

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Dhruvi from Delhi Public School, Navi Mumbai
Subject :NSO    Class : Class 5

Ans 1:

Mishika shah from little angels high school, gwalior
Class : Class 9
Ans is b

Ans 2:

Sumit G from Greenwood High International, Bengaluru
Class : Class 8
B

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Dhruvi from Delhi Public School, Navi Mumbai
Subject :NSO    Class : Class 5

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Dhruvi from Delhi Public School, Navi Mumbai
Subject :NSO    Class : Class 5

Ans 1:

Advaith from Manipal School, Mangalore
Class : Class 6

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Ans 3:

Lakshay Dhyani from MHS, Kanpur
Class : Class 10
C.72

Ans 4:

Aarush Thakur from DPS, Gurgaon
Class : Class 6
B) 66

Ans 5:

Kevin Frederick S from Stanes School - ICSE, Coimbatore
Class : Class 5
hulyh

Ans 6:

Dishant Dutta from St Georges school, New Delhi
Class : Class 7
Why isn't it 72?

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Dhruvi from Delhi Public School, Navi Mumbai
Subject :NSO    Class : Class 5

Ans 1:

Ruchi Khanna from strawberry fields high school , Chandigarh
Class : Class 5
can anyone explain how??really puzzled!

Ans 2:

Aadit Dasburma from National Public School .HSR Layout , Bengaluru
Class : Class 5
Even I don't know how to solve it.

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SATISH GUDWANI from mvn, Faridabad
Subject :NSO    Class : Class 6

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Aarti golyan from Indian school sohar, sohar
Subject :NSO    Class : Class 7

Ans 1:

Nikhil Handa from Army Public School,Dhaula Kuan, New Delhi
Class : Class 8
C would be the answer

Ans 2:

Senthil Kumar from ARB INTERNATIONAL SCHOOL, Coimbatore
Class : Class 7
I THINK SO OPTION C IS THE CORRECT OPTION.BECAUSE GUPPY FISH WILL EAT THE PLANTS ,WHEN IT IS REDUCED THEN NO ONE WILL EAT THE PLANTS.

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