List of top Geology Questions on Anatomy asked in IIT JAM GG

The type of dentition found in Trigonia is
Match the morphological features/life processes in Group I with corresponding organisms in Group II.
Group I
P. Water vascular system
Q. Molting
R. Jet propulsion locomotion
S. Lophophore
Group II
1. Cephalopoda
2. Echinodermata
3. Brachiopoda
4. Trilobita

Identify the correct morphological features corresponding to numbers I – IV in the echinoid illustrated below: 

The facial suture of trilobites running through the genal angle is known as