List of top Questions asked in IIT JAM GG

Increased diversity of siphonate bivalves occurred in response to
An index fossil should have
Match the formations in Group I with corresponding stratigraphic periods in Group II.
Group IGroup II
PSyringothyris Limestone1Permian
QKarai Shale2Jurassic
RChari3Carboniferous
SBarren Measures4Cretaceous
Which one of the given statements is correct?
Which of the following structures form in marine environment?
Identify the correct stratigraphic successions ordered from oldest to youngest.
Which of the following stratigraphic units contain coal seams?
Which of the following statements are CORRECT?
Which of the following genera are stem fossils?
Which of the following statements are correct?
The acceleration due to gravity on the Earth's surface depends on
A metamorphosed basaltic assemblage can include the minerals
Which of the following pairs represent correct plutonic - volcanic equivalents?
Based on the given stereographic projection, the fold can be classified as
Based on the given stereographic projection, the fold can be classified as
The Ripple Symmetry Index (RSI) for the given hypothetical asymmetric ripple is_____. (Round off to one decimal place)
The Ripple Symmetry Index (RSI)
Within a fourth order drainage basin, the total lengths of the 1st, 2nd, 3rd and 4th order streams are 10.5 km, 7.5 km, 5.5 km and 1.5 km, respectively. If the drainage density of the basin is 0.5 km-1, the basin area is km2. (In integer)
The radius of the Earth's circular orbit round the Sun is 149×106 km. The Earth takes 365 days to orbit the Sun. The tangential velocity of the Earth is_____ km/hour. (π = 3.14) (Round off to one decimal place)
A borehole inclined at 60° to the horizontal pierces a vertical basaltic dyke of uniform thickness. If the length of the basaltic drill core along the core axis is 12 m, the thickness of the dyke is____ m. (In integer)
A P-ray arrives at the mantle-core boundary at an angle 25º with respect to the normal. At what angle to the normal does it enter the core? (P-wave velocity in the lower mantle is 13.7 km/s and outer core is 8.1 km/s)(Round off to two decimal places)
The mass of the Earth is 80 times that of the Moon while the radius of the Earth is four times that of the Moon. The surface gravity of the Earth is______times that of the Moon? (In integer)
A hypothetical rock contains the assemblage kyanite, sillimanite and quartz. The variance (degree of freedom) of the assemblage is_____. (In integer)
The cut-off grade of copper is 0.45 wt%. A mine has 1 million tonne of waste with a grade of 0.25 wt%. The mine also has stock of high grade ore with a grade of 1.8 wt%. How much of this high grade ore (in million tonne) must be blended with the waste to sell the blended ore at a grade of 0.5 wt%? (Round off to three decimal places)
The maximum and minimum principal stresses in a zone of active normal faulting are 28 MPa and 8 MPa, respectively. The fault plane strikes N30°E and dips 60° towards SE. Considering Anderson's theory of faulting, the normal stress on the fault plane is _______MPa. (In integer)
A cylindrical soil sample is encased in an open-ended inclined tube with a diameter of 100 mm. There is a constant supply of water from the upper end of the sample and the outflow from the other end is collected in a beaker. The average amount of water collected is 1000 mm3 every 10 sec. The average outflow velocity is ________mm/sec. (π = 3.14) (Round off to three decimal places)
Using Airy's hypothesis, calculate the thickness of the root beneath a 4km high mountain in isostatic equilibrium with a 40km thick continental crust of density 2800kg/m3 and a mantle of density 3300kg/m3. Express your answer in km. (Round off to one decimal place)