Question

Fertilization in Leucosolenia is

• A. Cross and internal
• B. Self and external
• C. Self and internal
• D. Cross and external

Answer 1

The correct option is A Cross and internal

The sperms are released by Leucosolenia into the sea water, which enter into the sponges and fertilize the ova present in the mesenchyme of the body wall. Thus, cross-fertilization occurs and process of fertilization is called as internal fertilization. Hence, option A is correct answer.