_____________show anadromous migration.

(a)

Bony fishes

(b)

Cyclostomes

(c)

Cartilaginous fishes

(d)

Blue whale

For the first time development of four-chambered heart is seen in______________

(a)

Tunicates

(b)

Urochordates

(c)

Reptilia

(d)

Man

Hibernation and aestivation are seen in______________

(a)

Amphibia

(b)

Aves

(c)

Reptiles

(d)

Mammals

SACON is located in____________

(a)

Tirunelveli

(b)

Trichy

(c)

Madurai

(d)

Coimbatore

________ are the organs of balance in Arthropods.

(a)

Nematocysts

(b)

Statocysts

(c)

Choanocytes

(d)

Cochlea

What is anadromous migration?

What is unique about the female reproductive system in Aves

What is tissue level of Organization?

What is the special character seen in cyclostomes during spawning?

Distinguish between Diploblastic animals and triploblastic animals.

What are comb Jellies or sea walnuts

Animals such as sponges lack nervous tissue and muscle tissue, what does this tell you about sponges?

Write the functions of the following:
(i) Ctenidia 
(ii) Ospharidiam.

Classify the sub phylum Vertebrata.

Why are Ctenophores called comb jellies?

Write the salient features of the phylum mollusca.

What are the general features of Reptilians?

Write the general characters of the Class mammalia.

Explain the distinct features of Phylum Chordata.