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Question

Which of the following is incorrect match of animal group/life style/structure/function?

A
Animal Lifestyle Structure/functions group
Sponges Sessile filter feeders Amoebocytes/carry food and wastes Spicules/support and protection spongin/support
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B
Animal Lifestyle Structure/functions group
Cnidarians Free floating or attached Gastrovascular cavity/digestion Cnidocytes/protection and food getting
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C
Animal Lifestyle Structure/functions group
Flatworms Free living or parasite Flame cells/excretion Tegument/protection
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D
Animal Lifestyle Structure/functions group
Molluscs Terrestrial, marine, fresh water inhabitants Radula/feeding mantle/motility
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Solution

The correct option is D
Animal Lifestyle Structure/functions group
Molluscs Terrestrial, marine, fresh water inhabitants Radula/feeding mantle/motility

In the Mollusca, mantle is a loose fold of skin which is not concerned with locomotion. Mantle secretes the shell in the molluscs, thus it encloses the internal organs and also provides protection to them.

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