Neco Model Questions Vol1 2025 Biology Question 23

Practice objective / multiple choice question 23 from the 2025 Neco Model Questions Vol1 Biology examination.

Neco Model Questions Vol1 2025 Biology Objective / Multiple Choice Medium Difficulty
Question 23 NECO_MODEL_QUESTIONS_VOL1 • 2025 • BIOLOGY • objective

Three insect species (X, Y and Z) share the following traits: all have an exoskeleton; X and Y have wings; Y alone has halteres; X and Z undergo complete metamorphosis. Using the principle of parsimony, identify the trait that is a synapomorphy for the clade containing species X and Y, and the trait that represents an autapomorphy for species Y.

Answer Options

A. Complete metamorphosis is the synapomorphy for X and Y; wings are the autapomorphy for Y.
B. Wings are the synapomorphy for X and Y; exoskeleton is the autapomorphy for Y.
C. Exoskeleton is the synapomorphy for X and Y; halteres are the autapomorphy for Y.
Correct Answer D. Wings are the synapomorphy for X and Y; halteres are the autapomorphy for Y.
Correct Answer
D
Correct Option:
Wings are the synapomorphy for X and Y; halteres are the autapomorphy for Y.

About This Question

This is Neco Model Questions Vol1 2025 Biology Question 23. It is one of the objective questions from the 2025 Neco Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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