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BIOLOGY

JAMB 2007 - Question 36

Biology 2007 JAMB Past Questions - Question 36: The part labelled IV is responsible for

Use the diagram to answer question that follows

The part labelled IV is responsible for

A: osmoregulation

B: respiration

C: ingestion

D: locomotion

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Correct Answer

Explanation

A Itis the contractile vacuole responsible for the elimination of excess water (osmoregulation) from the body of the organism. Locomotion is carried out byrhythmic beating Of the cilia lining pellicle. Ingestion is the taking in of solid food through the oral groove which lei into the gullet that empties intocytoplasm. Respiration is carried out by the mitochondria.