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Exoskeleton of arthropods is chitinous and is shed at intervals, for growth and development, process known as

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Important Questions on Animal Kingdom

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Which of the following is the largest Phylum?
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Aristotle's lantern is found in
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Shell in molluscs is secreted by-
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In the molluscs true coelom is reduced and restricted to-
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The only molluscs with closed type of blood vascular system are -
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The respiratory organs of molluscs are-
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Pearls are produced in an oyster around the