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Mishika Singh from EISB, Bangalore
Subject :NSO    Class : Class 4

The given figure shows test tube X, Y and Z. Which among them will have least amount of oxygen and most amount of carbon dioxide respectively after 4 hours?


AY, X
BY, Y
CX, Y
DX, X


Ans 1:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7
The answer is D because in container X after three hours due to the respiration of the there will be less O2 and more Co2.Nice question

Ans 2:

Aadya Kawale from Podar International ICSE , Dombivli East
Class : Class 4
Yes option D is correct

Ans 3:

Bismeet Chetia from NPSI Singapore, Singapore
Class : Class 4
Blubbering blums

Ans 4:

Durjoy Datta from Venkateshwar International School, Sector 10, Dwarka, New Delhi
Class : Class 5
Yes it is correct.

Ans 5:

ARNAV MISHRA from delhi public school rohini, Delhi
Class : Class 7
no

Ans 6:

Anaisha Jain from Delhi Public School Faridabad, Faridabad
Class : Class 4
I think it could be the B option

Ans 7:

Apoorva Gaurav from DAV, Muzaffarpur
Class : Class 5
Ishit rai is correct

Ans 8:

Rudhra from Credence high, Dubai
Class : Class 4

Ans 9:

AVANTIKA V from St.joseph of Cluny school , Puducherry
Class : Class 6
The answer is D

Ans 10:

Sushree snehasikta behera from Mother's public school , Bhubaneswar
Class : Class 2
The answer will be D as due to the breathing process of fish the dissolved oxygen in the water will be less and the carbon dioxide will be more as all living beings on earth take in oxygen and give out carbon dioxide while respiration.

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