Question

(i) How does Paramecium obtain its food? (ii) List the role of each of the following in our digestive system: (a) Hydrochloric acid (b) Trypsin (c) Muscular walls of the stomach (d) Salivary amylase

June 19, 2025

Answer

(i) Paramecium obtains food by holozoic nutrition. It uses cilia to sweep food particles into its oral groove, then forms a food vacuole for digestion.

(ii) Roles:

Hydrochloric acid: Creates acidic pH for pepsin action, kills microbes
Trypsin: Digests proteins in the small intestine
Muscular stomach walls: Churn food and mix digestive juices
Salivary amylase: Converts starch to maltose in the mouth

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Question

(i) How does Paramecium obtain its food? (ii) List the role of each of the following in our digestive system: (a) Hydrochloric acid (b) Trypsin (c) Muscular walls of the stomach (d) Salivary amylase

Answer

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