Which of the following animals has a true coelom?

(a)

Ascaris

(b)

Pheretima

(c)

Sycon

(d)

Taenia solium

In Pheretima locomotion occurs with help of ______.

(a)

circular muscles

(b)

longitudinal muscles and setae

(c)

circular, longitudinal muscles and setae

(d)

parapodia

Which of the following is a crustacean?

(a)

Prawn

(b)

Snail

(c)

Sea anemone

(d)

Hydra

Exoskeleton of which phylum consists of chitinous cuticle?

(a)

Annelida

(b)

Porifera

(c)

Arthropoda

(d)

Echinodermata

The limbless amphibian is ______.

(a)

Icthyophis

(b)

Hyla

(c)

Rana

(d)

Salamander

In which of the following phyla, the adult shows radial symmetry but the larva shows bilateral symmetry?

(a)

Mollusca

(b)

Echinodermata

(c)

Arthropoda

(d)

Annelida

Choose the correct statement with regard to Sponges.
i) They have a opening called spongocoel.
ii) They reproduce asexually by gemma formation.
iii) Nutrition is intracellular.
iv) Canal system is present

(a)

ii & iii

(b)

iii & iv

(c)

i only

(d)

All the above

Identify the feature that is unique to planaria

(a)

Parasitic

(b)

Polyembryony

(c)

Regeneration

(d)

Pseudo segmentation

Presence of a copper-containing respiratory pigment is seen in Phylum ________________ .

(a)

Echinodermata

(b)

Chordata

(c)

Mollusca

(d)

Aschelminthes

_____________have a great capacity of regeneration.

(a)

Physalia

(b)

Planaria

(c)

Trygon

(d)

Ctenophora