The process of taking in `CO_(2)` by plants and releasing `O_(2)` is component of

Physical process involving intake of O_2 and release of CO_2 is ________

The process of exchange of O_(2) from the atmosphere with CO_(2) produced by the cells is called

The process of exchange of O_(2) from the atmosphere with CO_(2) produced by the cells is called

Which one of the following takes up CO_2 and releases O_2 -

The process by which O_(2) rich atmospheric air is drawn in and CO_(2) rich alveolar air is released out is