MEDIUM
NEET
IMPORTANT
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Which Mollusca is called a tusk shell?
(a)Neopilina
(b)Pila
(c)Dentalium
(d)Doris

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Important Questions on Animal Kingdom
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Secretion of shell in molluscs take place by:

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Which of the following characteristic is not of phylum mollusca?

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The most characteristic feature of molluscs is the presence of:

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Open type of blood vascular system and presence of haemocyanin pigment are the characters of:

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Member of Echinodermata has a specific system, which is not found in other phylum, it is:

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Segmentation of body is not represented in:

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Aristotle's lantern is found in

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Which of the following is not related with Echinodermata?
