Subphylum Urochordata

Q.

Which one of the following is not a member of phylum ‘Chordata’?

1. Crocodile

2. Columba

3. Macropus

4. Pleurobrachia

Q.

Why are Urochordata and Cephalochordata called Protochordata?

Q.

Does a lizard have a 4 chambered heart?

Q.

The feature that is not a characteristic of protochordata?

1. Absence of notochord

2. Presence of circulatory system

3. Jointed legs

4. Both B and C

Q.

How are birds able to fly?

Q.

Where is a notochord present in Urochordata ?

Q.

Animals with rudimentary notochord have been placed in _________.

Q.

Give the zoological name of pinworm.

Q. Which one of the following is a member of phylum Nematoda?

1. Pinworm
2. Planaria
3. Earthworm
4. Tapeworm

Q.

Their chordate characters are more pronounced during larval period. While in adults they are more like non-chordates than chordates. To which subphylum of chordates do they belong to?

1. Bacteria
2. Anabaena
3. Volvox
4. Fungi

Q.

Give the zoological name of filarial worm.

Q. A person is diagnosed with a disease called elephantiasis. The causative agent for the same belongs to which of the following phylum?

1. Platyhelminthes
2. Protista
3. Chordata
4. Nematoda

Q.

Organisms under the phylum ‘Ctenophora’ are also known as _____________.

1. Roundworms

2. Comb jellies

3. Ctenoplana

4. Flatworms

Q. Why are hemichordates not includedbin chordate inspite of having a chordate , where as urochordates also have a half chordate