The columns in the given table can be correctly matched as
i → b, ii → c, iii → a
Respiration is of two types − aerobic respiration which takes place in the presence of oxygen and anaerobic respiration which takes place in the absence of oxygen.
In both the cases, glucose, the respiratory substrate, is first converted into pyruvate.
The fate of pyruvate is further decided by the availability of oxygen. This can be summarised as follows: