Presence of radula and feather like gills are the characteristic features of

1. Pila

2. Delphinus

3. Pavo

4. Rattus

The largest and the second largest phylum of the animal kingdom are

(1) Arthropoda and Echinodermata

(2) Echinodermata and Mollusca

(3) Mollusca and vertebrata

(4) Arthropoda and Mollusca

Which of the following is called pearl oyster?

(1) Dentalium

(2) Pinctada

(3) Pila

(4) Aplysia

In which of the following Radula is absent ?

1. Sepia

2. Octopus

3. Pila

4. Echinus

Which of the following is a correct match with respect to members listed and corresponding taxon?

1. Earthworm, silkworm, hookworm – Annelida

2. Sea hare, sea lily, sea urchin – Echinodermata

3. Cuttle fish, devil fish, apple snail – Mollusca

4. Sea horse, flying fish, dog fish – Chondrichthyes

Consider the following sets of some animals. The set that consists of all animals belonging to the same phylum is:

1. Pinctada, Aplysia, Chaetopleura

2. Dentallium, Pila, Echinus

3. Asterias, Antedon, Ascidia

4. Adamsia, Gorgonia, Pleurobrachia

In which one of the following, the genus name, its two characters and its phylum are not correctly matched, whereas the remining three are correct?

Which one of the following pairs is mismatched?

Which one of the following is a matching set of a phylum and its three examples?

1. Cnidaria − Bonellia, Physalia, Aurelia

2. Platyhelminthes −  Planaria, Schistosoma, Enterobius

3. Mollusca − Loligo, Teredo, Octopus

4. Porifera − Spongilla, Euplectella, pennatula

Which of the following option is correct? 

1. Fertilization is internal and development is indirect in Scypha, Pleurobrachia
2. Flame cells help in osmoregulation and alimentary canal present in Fasciola, Taenia
3. Body is segmented and perform locomotion with the help of parapordia in Nereis, Pheretima
4. Body is covered by mantle layer and gills are present in Unio, Pila