A)
B)
C)
D)
Correct Answer: C
Solution :
The concentration of\[C{{O}_{2}}\]will be the highest in beaker Y as there are two organisms i.e. a plant, Hydrilla and an animal, water snail which will release\[C{{O}_{2}}\]through respiration. As the beaker is covered with a black bag, so Hydrilla will not be able to perform photosynthesis to take in \[C{{O}_{2}}.\]In beaker W, there is only one organism i.e. water snail which will produce\[C{{O}_{2}}\]through respiration. In beaker X, the plant Hydrilla will produce\[C{{O}_{2}}\]by respiration but it will also absorb \[C{{O}_{2}}\]through the process of photosynthesis. In beaker Z, there is no organism to respire and to release \[C{{O}_{2}}\]in water.
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