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In Annelida : 1. A closed circulatory system is present. 2. Neural system consists of paired ganglia 3. Paired ganglia connected by lateral nerves to a single ventral nerve cord. Regarding 1,2 and 3:

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

1 Answer

(C) is the right answer.

Phylum – Annelida : A closed circulatory system is present. Neural system consists of paired ganglia (sing. ganglion) connected by lateral nerves to a double ventral nerve cord.
answered Jan 6, 2014 by pady_1
 

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