Which of the following is the common "bath sponge"?

1.	Spongilla
2.	Euspongia
3.	Leucosolenia
4.	Sycon

The simplest type of canal system in porifera is

What is universal for sponges?

Sycon belongs to a group of animals which are best described as

A person consuming undercooked pork is likely to develop an infestation of

(1) Clonorchis sinensis

(2) Schistosoma

(3) Trichinella spiralis

(4) Caenorhabditis elegans

The infective stage of the liver fluke to humans is the

(1) Redia

(2) Miracidium

(3) Metacercaria

(4) Cercaria

Tapeworms have developed adaptations to make them successful as parasites. They attach to the digestive lining of the host by means of their

(1) Stylets

(2) Proglottids

(3) Radula

(4) Scolex

Jelly Fishes belong to the class

(1) Hydrozoa

(2) Anthozoa

(3) Scyphozoa

(4) None of these

Organ pipe coral is

(1) Tubipora

(2) Astraea

(3) Helipora

(4) Fungia

Budding is a normal mode of asexual reproduction in