Solution:
In ctenophores, sexes are not separate. Reproduction takes place only by sexual means. Fertilisation is external and development is indirect.
Statement I : Reproduction takes place only by sexual means in ctenophores.
Statement II : Sexes are separate in ctenophores.
In ctenophores, sexes are not separate. Reproduction takes place only by sexual means. Fertilisation is external and development is indirect.