Which subphylum of phylum chordata, possess notochord during the embryonic period, but replaced by a bony vertebral column in adult stage ?

Notochord is seen from head to tail region, in which subphylum of phylum Chordata ?

In which subphylum of Chordata, is notochord found only in the larval tail ?

Which one among the following doesn't come under the classification of Phylum Chordata ?

Pharyngeal gill slits are present in which Phylum

A structure similar to the notochord seen in Hemichordates is known as ----.

Star fish belongs to which phylum ?

Animals have an endoskeleton of calcareous ossicles belong to which Phylum ?

Octopus and Sepia belongs to which phylum ?

The mouth contains an organ for feeding, called radula in animals belonging to which phylum ?

Which among the following is the second largest animal phylum ?

Which one among the following is known as 'Living fossil'?

Which among the following is known as 'Gregarious pest'?

The largest phylum of Animal kingdom

Members of which phylum are also known as roundworms

The body of the aschelminthes is --- in cross-section.

Platyheminthes are acoelomate animals with --- level of organisation.

The property of a living organism to emit light is known as

Ctenophores are organisms with --- level of organisation.

What are known as sea walnuts or comb jellies ?

Medusa produces polyp by

Polyp produces medusa by

What is known as Brain coral ?

What is known as Sea-fan ?

What is known as Sea-pen ?

What is known as Sea anemone ?

Whiat is known as Portuguese man-of-war ?

The phenomenon where Cnidarians exhibit an alternation of generation is called

Umbrella-shaped and free-swimming basic body form of Cnidarians

Sessile and cylindrical basic body form of Cnidarians

The two basic body forms of Cnidarians

Cnidarians exhibit --- level of organization.

The name cnidaria is derived from ---.

Sponges reproduce asexually by means of --- and sexually by means of --- .

The cells that line the spongocoel and the canals in sponges

Which among the following shows the correct pathway of water transport in sponges ?

Members of Porifera phylum are commonly known as

Animals without notochord are called

Animals with notochord are called

A mesodermally derived supporting rod formed on the dorsal side during embryonic development in some animals is known as

The phenomenon in which the body or organs is externally and internally divided into repeated segments is called

When the coelome arises from mesoderm, such animals are called

When the body wall is not filled by mesoderm, such animals are called

When the space between the body wall and digestive cavity is filled with matrix, such animals are called

Based on the nature of coelom, animals are classified into

Coelom is seen between ---- & ----.

The cavity lined by mesoderm is known as

The undifferentiated jelly like layer present between ectoderm and endoderm is known as

The germ layers found in triploblastic animals are:

1. endoderm
2. ectoderm
3. mesoderm

The germ layers found in diploblastic animals are:

1. endoderm
2. ectoderm
3. mesoderm