Question

Which cell is absent in sponge?

• A. Nerve cell
• B. Sensory cell
• C. Chloroplast
• D. All of the above

Answer 1

The correct option is D All of the above

The phylum Porifera contains sponges. These are diploblastic. The nervous system and sensory cells are absent. They are heterotrophic and obtain the dissolved nutrients present in the water which enters by ostia. The chloroplast is absent.

So, the correct answer is option D.