In the depicted figure, the concentration of CO2 in the cell is (i) whereas the concentration of O2 in the cell is (ii). Here, (i) and (ii), respectively are
A
More and more
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B
Less and more
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C
More and less
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D
Less and less
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Solution
The correct option is B Less and more According to osmosis, substances move from their higher concentration to their lower concentration by the process of diffusion through a semi-permeable plasma membrane. In the given figure, CO2 is diffusing inside the cell which means that CO2 inside the cell is less, while O2 is diffusing out of the cell which means that O2 is more inside the cell.