Question

Which of the following is the correct match between the phylum and its nervous tissue?

• A. Porifera - No nerve cells
• B. Cnidaria - Apolar neurons, form nerve net. Diffuse type of nervous system
• C. Ptatyhelminthes - The nervous system contains a concentration of nervous tissue in the head called brain ganglion
• D. Annelid - Single ventral hollow nerve chord

Answer 1

The correct option is A Porifera - No nerve cells

Sponges are the only multicellular animals without a nervous system.

So, the correct option is 'Porifera - No nerve cells'.