Question

In which of the following phyla diploblastic organisms are seen?

• A. Annelida
• B. Porifera
• C. Coelenterata
• D. Both (B) and (C)

Answer 1

Answer: (C)

Coelenterata

Diploblastic body organization refers to the presence of two primary germ layers. Any organism which satisfies the above condition is called a diploblastic organism. Coelenterates are diploblastic. Annelids are triploblastic. Poriferans having a cellular level of body organisation, has no differentiation into germ layers.

So, the correct answer is option C.