Question

Which sponge is called as the 'Boring sponge'?

• A. Cliona
• B. Euplectella
• C. Chalina
• D. Hyalonema

Answer 1

Answer: (A)

Cliona

A. Cliona is known as boring sponge. It is harmful to oyster industry as it destroys the shells of oysters.

B. Skeleton of some siliceous sponges like Euplectella is famous for beauty and is gifted in marriage ceremonies in Japan.

C. Chalina is known as finger sponge and is used for decorative purposes.

D. Hyalonema is the glass rope sponge found in sea only.

So, the correct answer is 'Cliona'.