NEET Biology question

Phylum Mollusca can be distinguished from other invertebrates by the presence of

(A)bilateral symmetry and exoskeleton
(B)a mantle and gillsCorrect
(C)shell and non-segmented body
(D)a mantle and non-segmented body

Answer: (B)

Solution

The mantle, a soft fold of skin covering the visceral mass and secreting the shell, together with gills for respiration, is the most distinctive combination of features used to identify molluscs

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Question ID VK-106831