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In Mollusca : 1. The posterior head region has sensory tentacles. 2. The mouth contains a file-like rasping organ for feeding 3. The file-like rasping organ for feeding is called morula Regarding 1,2 and 3:

( a ) 2 is correct but 1 and 3 are incorrect
( b ) 2 is incorrect but 1 and 3 are correct
( c ) 3 is incorrect; 1 and 2 are correct
( d ) 1 is incorrect but 2 and 3 are correct
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1 Answer

(A) is the right answer.

In Mollusca : The anterior head region has sensory tentacles. The mouth contains a file-like rasping organ for feeding, called radula. Morula is a stage in embyo development
answered Jan 6, 2014 by pady_1
 

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