ICSE Class X Biology 2020 Solved Papers
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Give the biological reasons for the following statements :
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Question : 52
Total: 97
It is advisable to keep green plants in an aquarium.
Solution:
Green plants perform photosynthesis and keep on releasing oxygen into the water. The dissolved oxygen is used up by the fishes in the aquarium.
In turn theCO 2 released by fishes is used up by plants for photosynthesis.
In turn the
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