In photosynthesis, oxygen is given out by the process of
A
Diffusion
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B
Osmosis
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C
Transpiration
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D
None of the above
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Solution
The correct option is ADiffusion Diffusion is a process in which the molecules intermingle due to their kinetic energy and movement of molecules is from higher concentration to lower concentration. During photosynthesis, the plant produces oxygen as a byproduct and hence the concentration of oxygen inside the cell is higher than the outer environment. Plant releases oxygen in external environment through diffusion process.