List of practice Questions

The tube feet in echinoids emerge through
A mineral with a point group symmetry 2/m
The progressive metamorphic isograd sequence that explains Barrovian metamorphism in pelite is
In metabasitic rocks, plagioclase is not stable in
A sandstone has<5% matrix. The recalculated modal compositions of feldspar, quartz, and rock fragments are 45%, 35%, 20%, respectively. The sandstone is classified as
Which one of the following lithostratigraphic units is of Phanerozoic Eon?
Check dams are constructed in association with main dam in the
A geological formation neither containing nor transmitting water is termed as
The characteristic rock of contact metamorphism is
The volcanic equivalent of nepheline syenite is
Identify the correct match between mineral/ore and its physical property.
A helically coiled ammonite Turrilites is differentiated from externally resembling Gastropoda Turritella by
The facial suture of trilobites running through the genal angle is known as
Which one of the following statements is correct for Class 1B (Parallel) folds?
En-echelon sigmoidal ‘gash’ veins indicate
Which one of the following primary sedimentary structures is NOT used for palaeocurrent analysis?
The age of the Patcham Formation is
Rivers that receive water from groundwater seepage are termed as
Conservative plate boundary is represented by
Which one of the following prismatic crystal forms belongs to the hexagonal crystal system?
Which one of the following minerals exhibits luminescence when exposed to ultraviolet light?
In which one of the following mass extinction periods trilobites became extinct?
Let \[ f(x, y) = \frac{xz y}{x^2 + y^2 + z^2}, \quad (x, y) \neq (0, 0). \] Then \[ \frac{\partial f}{\partial x} \text{ and } f \text{ are bounded and unbounded.} \]
Let \( 0<a_1<b_1 \), For \( n \geq 1 \), define \[ a_{n+1} = \sqrt{a_n b_n} \quad \text{and} \quad b_{n+1} = \frac{a_n + b_n}{2}. \] Then which one of the following is NOT TRUE?
The area of the surface \[ z = \frac{xy}{3} \] intercepted by the cylinder \[ x^2 + y^2 \leq 16 \] lies in the interval \[ \left( 20\pi, 22\pi \right) \]