Biology 0610 · IGCSE · Anaerobic respiration

Anaerobic respiration — practice question

Fig. 6.1 shows a diagram illustrating the way glucose is used by different organisms.
(a(i))[2]

State the number or numbers from Fig. 6.1 that show the processes giving the highest energy release per glucose molecule and occurring in yeast cells.

(a(ii))[2]

State the balanced chemical equation for anaerobic respiration in yeast.

(a(iii))[2]

State the names of two enzymes required to break starch down into glucose in humans.

(a(iv))[1]

State the main role of cellulose in a plant.

(a(v))[3]

State the name of the process that transports sucrose around a plant, the tissue that transports sucrose and amino acids around a plant, and the mineral ion used to make amino acids.

(b(i))[1]

State the body tissue that makes the most lactic acid during vigorous exercise.

(b(ii))[2]

State how the breathing and circulatory systems work together to remove the oxygen debt.

(b(iii))[1]

State the name of the organ that breaks down lactic acid.

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