In Ctenophores: 1. Sexes are separate. 2. Reproduction takes place only by sexual means. 3. Fertilisation is internal. 4. Development is direct Regarding 1,2,3 and 4:

Question

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