Select the correct statements: A: Platyhelminthes are triploblastic, pseudocoelomate and bilaterally symmetrical organisms. B: Ctenophores reproduce only sexually and fertilization is external. C: In tapeworm, fertilization is internal but sexes are not separate. D: Ctenophores are exclusively marine, diploblastic and bioluminescent organisms. E: In sponges, fertilization is external and development is direct.
Choose the correct answer from the options given below:
(A), (C) and (D) only
(B), (C) and (D) only
(A) and (E) only
(B) and (D) only
Statement A is incorrect because Platyhelminthes are acoelomate (not pseudocoelomate) . Statement B is correct; Ctenophores reproduce only by sexual means and fertilization is external . Statement C is correct; Platyhelminthes (like Tapeworm) have internal fertilization and sexes are not separate . Statement D is correct; Ctenophores are exclusively marine, diploblastic, and exhibit bioluminescence . Statement E is incorrect because in sponges, fertilization is internal and development is indirect .
Join thousands of students and practice with AI-generated mock tests.