List of top Geology Questions on Stratigraphy

Which of the following biostratigraphic zones is/are depicted in the figure below?
Match the stratigraphic Formations in Group I with the corresponding Geologic Periods in Group II.
Group-IGroup-II
P. Kopili Shale1. Permian
Q. Raniganj Formation2. Eocene
R. Quilon Formation3. Cretaceous
S. Dalmiapuram Formation4. Miocene
Match the features in Column 1 to the most appropriate description in Column 2.
Which one of the following features is used to define the K-Pg boundary globally?
Stratigraphic sections S1 and S2, separated by tens of kilometers, are shown in the schematic. The line segments in this schematic represent biostratigraphic correlation between S1 and S2. Which one of the segments (P, Q, R, S) of this correlation line represents an unconformity?