Zoology-Non-Chordates

NEET Zoology Non-Chordates MCQ Question

Type: MCQ-conceptual-Easy-Class 11

Which of the following statements about non-chordates are correct?

A

Porifera exhibit a cellular level of organization and possess flagellated choanocytes.

B

Cnidarians have a complete digestive system and exhibit bilateral symmetry.

C

Platyhelminths are acoelomates and possess a flat body structure.

D

Aschelminthes are coelomates and include both free-living and parasitic forms.

Correct Answer

Option A

Detailed Explanation

Statement A is correct as Porifera are characterized by cellular organization and flagellated choanocytes. Statement B is incorrect because cnidarians exhibit radial symmetry and have an incomplete digestive system. Statement C is correct as platyhelminths are indeed acoelomates. Statement D is incorrect as aschelminthes are pseudocoelomates, not coelomates.

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