Multiple choice

An animal with achitinous exoskeleton, haemocoel and gills belongs to

  1. aschelminthes

  2. arthropoda

  3. echinodermata

  4. urochordata
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Arthropods are characterized by a chitinous exoskeleton, a haemocoel (body cavity filled with hemolymph), and gills (or gill-derived respiratory structures like book lungs or tracheal systems). This combination of features is unique to arthropods among the options given.

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