How many organisms given below show radial symmetry? Earthworms, grasshopper, rotifers, jelly fish and star fish__________.

(a)

four

(b)

three

(c)

two

(d)

five

Consider the following four statements whether they are correct or wrong for the classification of animal kingdom.

(a)

Mesoglea

(b)

presence or absence of alimentary canal

(c)

on the basis of grade of organization

(d)

presence of haemolymph

Incomplete digestive system is found in__________.

(a)

Platyhelminthes

(b)

Nemathelminthes

(c)

Annelida

(d)

Arthropoda

Which among the following organism has water vascular system in its body?

(a)

Sponge

(b)

Hydra

(c)

Fish

(d)

Star fish

The non-cellularjelly like layer is present in between ectoderm and endoderm in coelenterates is_________.

(a)

Mesoderm

(b)

Coelom

(c)

Coelenteron

(d)

Mesoglea

The term "annulatians" comes from?

What is the meaning of Arthropoda?

Which unique feature is seen in Echinoderms?

What are called pneumatic bones?

Enumerate the salient features of Aves.

Give an account on phylum Annelida.

Differentiate between flat worms and round worms?

Outline the flow charts of Phylum Chordata.

How is the reproductive characters of mammals different from those of Aves?

On the basis of Position of notochord, classify the different Prochordates. Justify your answer.

Draw the life cycle of jelly fish.

Draw and label the Liver fluke.