List of practice Questions

When plotted on a map of 1:50000 scale, a 2 km long dyke exposed on a horizontal surface has a length of ........... cm (answer in one decimal place).
The valency of iron in hematite is ............
A crustal rock is at a lithostatic pressure of 3 kbar and a temperature of 275°C. If the lithostatic pressure increases at a uniform rate of 0.3 kbar/km, and the surface temperature is 25°C, the geothermal gradient (in °C/km) is ....... (answer in one decimal place).
Which one of the following processes is responsible for the formation of syngenetic Ni-Cu sulphide ore in gabbro-norite rocks?
Which one of the following sedimentary structures is NOT used for determining top and bottom of beds?
Which one of the following is produced by a closed-system metamorphic reaction between muscovite and quartz?
The assemblage staurolite + garnet + biotite + muscovite + quartz in pelites is stable in
Conglomerates are commonly deposited in
Identify the pair from the following list that is NOT correctly matched.
Wilson orogenic cycle in continents is initiated by
The correct order of marine benthic habitats with increasing water depths is
Which one of the following invertebrates has the most primitive visual system?
The texture characterized by exsolved lamellae of albite in K-feldspar is known as
Fissility is best shown by
Petroleum is NOT commercially produced from
Isostasy involves ................. continental mountain belts.
In which one of the following tectonic settings are the highest mountain chains and thickest crust found?
Which one of the following is NOT found in an extensional setting?
Which one among the following planets in the Solar system is most similar in size to Earth?
The nuclear spin quantum number (\( l \)) of a nucleus is \( \frac{3}{2} \). When placed in an external magnetic field, the number of possible spin energy states it can occupy is ...........
A vector \( \vec{A} = i + xj + 3k \) is rotated through an angle and is also doubled in magnitude resulting in \( \vec{B} = 4i + (4x - 2)j + 2k \). An acceptable value of x is
The decay modes of \( ^{14}C \) and \( ^{14}O \) are
The value of integral \( \int_{-2}^{2} x e^{-2x^2} dx \) is
The number of crystal systems and the number of Bravais lattices are, respectively,
Carbonic anhydrase is an example of