Questions in diversity-of-life

Select	Question
	Incurrent canals are lined by
	Choanocytes in Ascon-type of canal system form lining of
	The middle layer in body wall of porifera is
	Sponges structure corresponding to mouth of other animals is
	Glass Rope sponge is
	Type of spongocoel found in Leucosolenia is
	Skeleton made of spongin fibres occurs in
	Spicules of silica occur in
	Sponges are porifers because their bodies have
	Which of the following are ‘multicellular grade’ organisms