Subphylum Vertebrata

Q. What do craniates have that earlier chordates did not have?

1. Brain
2. Nerve cord
3. Post anal tail
4. Skull

Q. The common feature of all vertebrates is the presence of:

1. limbs for locomotion
2. a closed circulatory system
3. a persistent notochord
4. direct development into the adult stage after fertilization

Q.

Vertebral column is derived from

1. Notochord

2. Dorsal nerve cord

3. Ventral nerve cord

4. Outgrowth of neural tube

Q. Identify the correct statement:

1. All chordates are vertebrates
2. All vertebrates are chordates
3. All triploblastic animals are coelomates
4. All chordates have cranium (brain box)

Q. The common feature of all vertebrates is the presence of:

1. limbs for locomotion
2. a closed circulatory system
3. a persistent notochord
4. direct development into the adult stage after fertilization

Q. Which among the following is a common feature of vertebrates?

1. Limbs for locomotion
2. Persistent notochord
3. Closed circulatary system
4. Direct development