Post-UTME Biology 2014 Objective — Question 1

Question 1 of 10 from the Post-UTME Screening (Post-UTME) Biology 2014 Objective paper, with the correct answer and a full explanation.

Hydra removes undigested food by

A. passing it through the anus
B. passing it through the mass
C. means of a contractile vacuole
D. egesting it through the body surfaceCorrect

Explanation

Hydra, having no anus, egests undigested food material back out through its single body opening (mouth/body surface). (No printed answer key for this session; answer worked out independently.)

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