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Regarding Class Cyclostomata : 1. They have paired fins 2. Their body is devoid of scales. 3. Cranium and vertebral column are bony. 4. Circulation is of closed type Regarding 1,2,3 and 4:

( a ) 2 is incorrect; 1,3 and 4 are correct
( b ) 1 and 3 are correct but 2 and 4 are incorrect
( c ) 3 is incorrect; 1,2 and 4 are correct
( d ) 1 and 3 are incorrect but 2 and 4 are correct
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1 Answer

(D) is the right answer.

Class – Cyclostomata : Their body is devoid of scales and paired fins. Cranium and vertebral column are cartilaginous. Circulation is of closed type.
answered Mar 20, 2014 by pady_1
 

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