Waec Model Questions Vol1 2025 Biology Question 4

Practice objective / multiple choice question 4 from the 2025 Waec Model Questions Vol1 Biology examination.

Waec Model Questions Vol1 2025 Biology Objective / Multiple Choice Hard Difficulty
Question 4 WAEC_MODEL_QUESTIONS_VOL1 • 2025 • BIOLOGY • objective

An unknown aquatic organism is observed to (i) possess a notochord at some stage of its life cycle, (ii) have a dorsal hollow nerve cord, (iii) contain pharyngeal slits, and (iv) lack a true coelom in the adult form. Based on these characteristics, identify the most appropriate phylum for this organism and give a brief justification.

Answer Options

A. Phylum Hemichordata (subphylum Enteropneusta)
B. Phylum Echinodermata (subphylum Crinoidea)
Correct Answer C. Phylum Chordata (subphylum Tunicata/Urochordata)
D. Phylum Chordata (subphylum Cephalochordata)
Correct Answer
C
Correct Option:
Phylum Chordata (subphylum Tunicata/Urochordata)

About This Question

This is Waec Model Questions Vol1 2025 Biology Question 4. It is one of the objective questions from the 2025 Waec Model Questions Vol1 Biology examination.

Difficulty level: Hard .

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