List of top Geology Questions on Morphology and functional morphology of invertebrates asked in GATE GG

Match the following invertebrates in Group-I with their morphological features in Group-II.

	Group-I		Group-II
P	Trilobite	1	Periproct
Q	Brachiopod	2	Hypostome
R	Bivalve	3	Deltidial plate
S	Echinoid	4	Lunule

Which of the following bivalves is/are swimmers?

Match the following fossil taxa in Group I with their corresponding features in Group II. \begin{center} \begin{tabular}{p{0.35\linewidth}p{0.35\linewidth}} Group I & Group II
P. Bryozoa & 1. Denticles
Q. Ostracoda & 2. Chamber
R. Foraminifera & 3. Carapace
S. Conodont & 4. Zooid
\end{tabular} \end{center}

Based on the three statements given below, choose the CORRECT option. Statement I: Echinoids have water vascular system.
Statement II: Delthyrium and pedicle foramen are found in the brachial valve of brachiopods.
Statement III: Cardinal teeth, adductor muscles and chondrophore are found in bivalves.