The type of spongocoel found in $Leucosolenia$ is:

Which of the following is an asexual reproductive method in sponges?

Which phylum is characterized by a body with an internal cavity lined by food-filtering flagellated cells (choanocytes) and indirect development?

In $Sycon$,which pathway is correct for water circulation into the body?

"Venus flower basket" is the common name of the dried skeleton of which organism?

Assertion $(A)$: Animals are multicellular organisms composed of eukaryotic cells.
Reason $(R)$: Sponges do not perform photosynthesis and obtain nutrition by absorption.