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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:

Class : Class 6
Both A and C are correct

Ans 2:

Class : Class 4
a

Ans 3:

Class : Class 5
boooooooooooooooooooooooooooooooooooooothhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh aaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaannnnnnnnndddddddddddd ccccccccccccccccc iiiiiiiiiiiiiiiiiissssssssssssssss ccccccccccccccccccccooooooooooooooorrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrreeeeeeeeeeeeeccccccccccttttttttttttt

Ans 4:

Class : Class 5
From Athiya Mahapatra: Option)C As the beaker is covered in a black bag and Hydrilla being a plant cannot produce oxygen without sunlight. The water snail added to the concentration of oxygen by breathing out.

Ans 5:

Class : Class 5
C is correct

Ans 6:

Class : Class 6
answer is c

Ans 7:

Class : Class 5
Answer can be both a and c

Ans 8:

Class : Class 5
A and C

Ans 9:

Class : Class 5
A AND C

Ans 10:

Class : Class 6
c is correct

Ans 11:

Class : Class 6
a and c

Ans 12:

Class : Class 6
It should be both A and C .

Ans 13:

Class : Class 5
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

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