Water transport system or canal system is a characteristic feature of which animal?

1. Spongilla

2. Hydra

3. Asterias

4. Echinus

The digestive system in Meandrina is

(1) Digestion is extracellular only

(2) Digestion is intracellular only

(3) Digestion is both extracellular and intracellular

(4) Digestion absent as it is a parasite

Collar cells are present in the members of which phyla

1. Echinodermata

2. Coelenterata

3. Ctenophora

4. Porifera

Fragmentation is a method of asexual repoduction in

(1) Annelida

(2) Platyhelminthes

(3) Aschelminthes

(4) Porifera

Fresh water sponge is the common name of

(1) Hydra

(2) Sycon

(3) Spongilla

(4) Euspongia

Gemmule formation is a common mode of asexual reproduction in

(1) Paramecium

(2) Hydra

(3) sponges

(4) yeast

Eggs and Sperm are produced by the same individual in case of

1. Leech

2. Sponges

3. Pleurobrachia

4. All of the above

Which of the following is common among mammals?
 

Identify the incorrect match from those given below