List of practice Questions

A 50 kg granite boulder gets dislodged from a cliff of height 20 m and undergoes an absolute vertical free fall. If the acceleration due to gravity is 10 m/s\(^2\), the boulder will hit the ground with a velocity of _________ m/s.
Mass and volume of a fully dried soil sample are 500 g and 250 cm\(^3\), respectively. The average density of the particles in the soil sample is 2.5 g/cm\(^3\). The void ratio of the soil sample is _________ %.
The difference between Si/O ratios of K-feldspar and olivine is _________ (answer in two decimal places).
If a crystal contains 5 faces and 8 edges, the number of vertices in the crystal is _________.
At a temperature of 298.15 Kelvin, the free energy change of a reaction (\(\Delta G^{\circ}\)) is 19.737 kcal/mole. If the universal gas constant (R) = 1.98717 Calorie/degree/mole, the \(\log_{10}\) of the equilibrium constant \(K\) is _________ (rounded off to two decimal places).
A normal fault displaces a sandstone bed such that the dip-slip and the strike-slip components are 3 m and 4 m, respectively. The net-slip of the displacement is _________ m.
In a sedimentary rock, the diameters of two grains A and B are 1ϕ and 3ϕ, respectively. The difference in diameters between A and B is_________mm (rounded off to two decimal places).
A light ray passes from mineral A to mineral B having refractive indices of 1.750 and 1.430, respectively. The limiting value of angle of incidence above which the light ray undergoes total internal reflection is ______________ degree (rounded off to one decimal place).
Throw and heave of a bed offset by a normal fault are 100 m and 200 m, respectively. The dip of the fault plane is __________degree (rounded off to one decimal place).
Assume: (i) geothermal gradient = 25°C/km in the crust, (ii) density of the crustal rocks = 3000 kg/m\(^3\), and (iii) acceleration due to gravity = 10 m/s\(^2\). Based on these values, the lithostatic pressure at a point where temperature is 400°C will be ___________MPa.
The intensity of an earthquake of magnitude 8 on the Richter scale is greater than the intensity of an earthquake of magnitude 5 on the same scale by ________ times.
Select the correct statement(s).
Select the correct statement(s).
Which of the following gastropods has/have siphonal canal?
Which of the following is/are mode(s) of preservation of fossils?
Select the pair(s) that is/are correctly matched.
Choose the reaction(s) indicating metamorphism of pelites at T>600°C and P<8 kbar.
Which of the following statement(s) is/are correct for a plot of (\(^{87}Sr/^{86}Sr\)) versus (\(^{87}Rb/^{86}Sr\)) of a rock which has evolved in a closed system?
Which of the following statements is/are correct with reference to subsurface water?
Which of the following geomorphic features indicate(s) the presence of a fault?
An ore mineral has the following physical properties: (1) metallic lustre, (2) steel-grey color, (3) two sets of octahedral cleavage, (4) high specific gravity, and (5) makes mark on paper. Identify the ore mineral.
Which of the following are the characteristics of a typical porphyry copper deposit?
I. Associated with granitic rocks
II. Low-grade and high tonnage of ore
III. Presence of alteration zones
IV. Occurrence in convergent tectonic settings
Which of the following statements are correct?
I. In a planar tabular cross-bedding, the upper and lower bounding surfaces are planar and parallel
II. In a planar tabular cross-bedding, the upper and lower bounding surfaces are planar but not parallel
III. In a trough cross-bedding, both the upper and the lower bounding surfaces are curved
IV. In a trough cross-bedding, the upper bounding surface is planar and the lower bounding surface is curved
On a geological map of a flat area, the plunge direction of an antiformal anticline is
Which of the following changes occurred during the evolution of Equidae?