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Byju's Answer
Standard XII
Biology
Phylum Mollusca
Which of the ...
Question
Which of the following is correct about phylum Mollusca?
A
Triploblastic, acoelomate
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B
Triploblastic, coelomate
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C
Diploblastic, acoelomate
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D
Diploblastic, coelomate
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Solution
The correct option is
B
Triploblastic, coelomate
Mollusca is a large phylum of invertebrates comprised of snails, squids, etc.
They are triploblastic, having three primary tissue layers, endoderm, mesoderm, and ectoderm.
They are coelomate as the body cavity or coelom is enclosed by the mesoderm.
So, the correct answer is option B.
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