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Gauri Singh from St Johns School Marhauli, Varanasi
Subject :NSO    Class : Class 5

Four identical beakers, W, X, Y and Z, were set up as shown below and placed under sunlight for a day.
In which beaker will the concentration of carbon dioxide be the highest?

A
B
C
D


Ans 1:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 9
It should be a because in option c the carbon dioxide produced by the snail will be absorbed by hydrilla and the oxygen produced by hydrilla will be used by the snail but in option a only carbon dioxide will be produced so option a is correct

Ans 2:

SIDDHARTH KUMAR CHATTERJEE from NAVY CHILDREN SCHOOL , CHICALIM
Class : Class 7
c is for correct in c the plant is in a bag so no sunlight so it does not do photosythesis and both produce carbon di oxide

Ans 3:

krishneil from Elpro international school, Pune
Class : Class 6
both a and c

Ans 4:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
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Class : Class 5
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Class : Class 8
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Class : Class 6
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harry potter from Hogwarts school of witchcraft and wizardry , london
Class : Class 5
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Ans 9:

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Class : Class 5
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Ans 10:

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Class : Class 5
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Ans 11:

Mannat Verma from Vivek High School , Chandigarh
Class : Class 6
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Ans 13:

Dushyant Singh from Shri Ram Centennial School, Indore
Class : Class 6
c is correct

Ans 14:

Aabhineet Patnaik from Lakshya International School, Kakinada
Class : Class 5
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Ans 15:

shubhavi Dhondge from NPS, Banagalore
Class : Class 8

Ans 16:

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Ans 17:

SIDDHARTH KUMAR CHATTERJEE from NAVY CHILDREN SCHOOL , CHICALIM
Class : Class 7
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Ans 18:

Saanvi Prasad from DPS Noida, Noida
Class : Class 5
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Ans 19:

Pranjal Baliyarsingh from Sainik School, Bhubaneswar
Class : Class 6
hold on it says about most co2 levels so c is right

Ans 20:

Kavin from ISG , Muscat, Muscat
Class : Class 5

Ans 21:

Athiya Mahapatra from ITL Public School, NewDelhi
Class : Class 5
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Class : Class 8
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Ans 23:

UMA Subramanian from Global Indian International School, Singapore
Class : Class 6

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