Class – Amphibia : 1. Most of them have two pairs of limbs. 2. Body is divisible into head and trunk. 3. Tail may be present in some. Regarding 1,2 and 3:

Question

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