Test

1. Vertebrates are included in which phylum?
   A. Arthropoda
   B. Chordata
   C. Mollusca
   D. Annelida
2. The backbone in vertebrates is made up of:
   A. Cells
   B. Vertebrae
   C. Muscles
   D. Cartilage only
3. The dorsal nerve cord in vertebrates is:
   A. Solid
   B. Hollow
   C. Absent
   D. Double
4. Which of the following is present in all vertebrates?
   A. Exoskeleton
   B. Vertebral column
   C. Open circulatory system
   D. Radial symmetry
5. The skull in vertebrates protects the:
   A. Heart
   B. Brain
   C. Lungs
   D. Liver
6. Vertebrates show which type of symmetry?
   A. Radial
   B. Bilateral
   C. Asymmetry
   D. None
7. The circulatory system in vertebrates is:
   A. Open
   B. Closed
   C. Mixed
   D. Absent
8. Which organ is responsible for excretion?
   A. Lungs
   B. Kidney
   C. Brain
   D. Heart
9. Paired appendages in vertebrates are used for:
   A. Digestion
   B. Respiration
   C. Locomotion
   D. Circulation
10. Vertebrates are more advanced due to:
    A. Lack of systems
    B. Primitive features
    C. Specialized organ systems
    D. Absence of brain

Answer Key

1. B
2. B
3. B
4. B
5. B
6. B
7. B
8. B
9. C
10. C