1. Unique Questions
1- The geometric outline of the upper first premolar is:
A- Hexagonal
B-Diamond
C- Rhomboid
D- Oval
2-The mesial marginal developmental groove is found in:
A- Upper first premolar
B- Upper second premolar
C- Lower first premolar
D- Lower second premolar
3-The geometric form of the occlusal aspect of the lower first premolar is
A- Hexagonal
B - Trapezoidal
C - Triangular
D – Diamond
4-Which premolar has mesiolingual developmental groove?
A- Upper first premolar
B- Upper second premolar
C- Lower first premolar
D- Lower second premolar
5-Which tooth has long mesial cusp slope and short distal one?
A- Upper first premolar
B- Upper second premolar
C- Lower first premolar
D- Lower second premolar
6-Which premolar may present three cusps?
A- Upper first premolar
B- Upper second premolar
C- Lower first premolar

2. D- Lower second premolars
7-Which premolar may present two roots?
A- Upper first premolar
B- Upper second premolar
C- Lower first premolar
D- Lower second premolar
8- The geometric outline of the lower first premolar is:
A- Hexagonal
B-Diamond
C- Rhomboid
D- Oval
9- The geometric outline of the upper second premolar is:
A- Hexagonal
B-Diamond
C- Rhomboid
D- Oval
10-The tip of buccal cusp of mandibular 1st premolar is:
A- Centered over the root
B- Buccal to central line
C- Lingual to central line
D- None of above