Q29 of 367 Page 23

Name the enzyme present in human saliva. What type of food material is digested by this enzyme?

Saliva is a watery fluid which contains an enzyme called salivary amylase. Salivary amylase acts on starch and breaks down it into sugar.


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From which part of the body, undigested food is egested in Amoeba?

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Name a unicellular animal which uses cilia to move food particles into its mouth.

 30

Which of the organs perform the following functions in humans?

(i) Absorption of food


(ii) Absorption of water

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What moves the food in the digestive organs?