Phylum: Mollusca

IMPORTANT

Phylum: Mollusca: Overview

This topic covers concepts such as Class Aplacophora, Class Monoplacophora, Class Polyplacophora, Class Scaphopoda, Class Gastropoda, Class Cephalopoda, Class Pelecypoda, Phylum Mollusca and Radula.

Important Questions on Phylum: Mollusca

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Pigment haemocyanin is found in

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Assertion: Torison can be seen in ctendium.

Reason: Ctenidium acts as the respiratory organ.            

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An organism that acts as a  connecting link between the Annelida and Mollusca is

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The molluscs that possess a cap-shaped shell in their body belong to the class _____.

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Neopilina galatheae belongs to the class Aplacophora.

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In the class monoplacophora, only one shell is present.

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Class Polyplacophora belongs to which phylum of the animal kingdom?

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Lepidopleurus belongs to which class of the shelled animals?

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Trochophore larva is found in which of the following organisms?

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Class Polyplacophora includes the chitons. 

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Scaphopoda can be recognised by the presence of which of the following characters? 

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Captacula is a characteristic feature of Scaphopods.

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Scaphopoda are also called Lamellibranchiata.

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Bivalves are also called Lamellibranchiata.

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The pearl producing organisms belong to which class of phylum Mollusca?

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Choose the odd one out.

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Among Pelecypoda and Aplacophora, which class represent the primitive molluscs. 

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Mark the organism that belongs to the class Scaphopoda of Phylum Mollusca.

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In the class Aplacophora, only one shell is present.

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The number of calcareous shell in the Aplacophora is