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In Mollusca , I. digestive tract is a ...

In Mollusca ,
I. digestive tract is a complete and complex with ciliary tracts for sorting small particles .
II.shows caste system .
III.has a pair of respiratory trumpets .
IV.are blood suckers of vertebrates .
Choose the correct option .

A

Statement I and III are correct

B

Statement I and II are correct

C

Statement I , II and IV are correct

D

Only statement IV is correct

Text Solution

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The correct Answer is:
B
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