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Regarding Class – Chondrichthyes : 1. They are marine animals 2. They have streamlined body 3. They have cartilaginous exoskeleton Regarding 1,2 and 3:

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

1 Answer

(A) is the right answer.

Class – Chondrichthyes : They are marine animals with streamlined body and have cartilaginous endoskeleton
answered Mar 20, 2014 by pady_1
 

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