Biology 0610 · IGCSE · Chemical digestion

Chemical digestion — practice question

Digestive enzymes are released into the alimentary canal.
(a(i))[2]

State the names of any two of these other substances.

(a(ii))[4]

Table 2.1 gives a summary of some facts about the enzymes released into the alimentary canal. Complete Table 2.1.

(b)[6]

Describe and explain the effect of temperature on the activity of pepsin. Use the information in Fig. 2.1 to support your answer.

(c(i))[2]

Explain why lactase is important for the nutrition of young babies.

(c(ii))[1]

Describe the symptoms of diarrhoea.

(c(iii))[3]

Explain how the cholera bacterium causes diarrhoea.

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