Zoology-Classification Basis

NEET Zoology Classification Basis MCQ Question

Type: MCQ-conceptual-Medium-Class 11

Which of the following combinations correctly describes features of specific animal groups?

A

Cyclostomata: Ectoparasitic, elongated body; Cnidaria: Diploblastic, polyp and medusa forms.

B

Mollusca: Scales, closed circulatory system; Echinodermata: Radula, marine organisms.

C

Porifera: Central gastro-vascular cavity, stinging cells; Annelida: Parapodia for locomotion.

D

Reptilia: Jawless mouth, gill slits; Cnidaria: Tissue level organization, skeleton made of calcium.

Correct Answer

Option A

Detailed Explanation

Cyclostomata are indeed ectoparasitic with elongated bodies and have multiple gill slits, while Cnidaria are diploblastic and exhibit polyp and medusa forms. This aligns with the descriptions provided in the NCERT context.

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