List of top Questions asked in GATE GG- 2026

Which of the following fossils was/were completely extinct by the end of Permian?
Which of the following microfossils has/have a geological range from Cambrian to Recent?
If a dextral strike-slip fault system has a right step-over, which one of the following features will develop?
Consider that the upper continental crust is 10 km thick and made up of granitic rock having density of 2800 kg/m\(^3\). The surface heat flow due to radiogenic heat from the granitic rock having heat production value of \(10^{-9}\) W/kg is______________ mW/m\(^2\) (answer in integer).
If the diameter of a scaled-down model of the Earth is 45 cm, then the equivalent length on the surface of the Earth for 1 cm on the model is _____________ km (rounded off to two decimal places).
[Use: Radius of the Earth = 6371 km]
Which of the following pair(s) of well logs does/do NOT exhibit crossover for gas-bearing zones in hydrocarbon reservoirs?
A mineral has X = c, Y = b, Z = a, where X, Y, Z denote optical directions and a, b, c denote crystallographic axes. If X is the fast vibration direction and the mineral is optically positive, a {001} section will show which one of the following interference figures?
Which one of the following stereographic projections represents a reclined fold?
Which of the following is/are REE-bearing mineral(s)?
Which one of the following pairs of geophysical signatures most commonly indicates volcanogenic massive sulphide deposits?
Which of the following statements is/are CORRECT according to the laws of electromagnetic induction in the Earth?
Which one of the following is a physical weathering process?
Which one of the following is the CORRECT pair of radioactive parent isotope and the corresponding radiogenic daughter isotope?
A quartz vein in a granitic outcrop has an initial length of 20 cm. If it undergoes uniform stretching resulting in a longitudinal strain of 0.45, the length of the vein post deformation is _________cm (answer in integer).
Which one of the following is NOT a volcanic igneous rock?
If \(r_1\) and \(r_2\), respectively, denote the equatorial and polar radii of a reference ellipsoid, then the radius, \(R\), of its equivalent sphere is given by
Which of the following sources is/are used in land seismic surveys?
A pebble has an average diameter of 8 mm. Its \(\phi\)-value on the Udden-Wentworth scale is ___________ (answer in integer).
Which one of the following increases over time when the soil is fully saturated?
Circles \(C_1\), \(C_2\), and \(C_3\), with centers \(O_1\), \(O_2\), and \(O_3\), and radii \(r_1\), \(r_2\), and \(r_3\), respectively, touch each other as shown in the following figure. Given \(r_1 = 2\) cm, \(r_2 = 1\) cm and the angle \(\angle O_1 O_3 O_2\) is 90 degrees, \(r_3 =\) _____ cm.
In a population, patients who have high cholesterol also have high blood pressure (BP). Some patients with high BP also have diabetes. There are no patients who have both high cholesterol and diabetes. Furthermore,
1. the total number of patients with at least one of these conditions is 75,
2. the number of patients with high cholesterol is 10,
3. the number of patients with high BP is 45, and
4. the number of patients with only high BP and no other conditions is 20.
Then the number of patients who have both diabetes and high BP is _______
In which one of the following layers inside the Earth, the velocity of the P-wave exceeds 13 km/s?
Four people P, Q, R, and S, of different ages, make the following observations.
P: I am younger than S.
Q: I am neither the youngest nor the oldest.
R: P is older than me.
Based on these observations, the youngest person is ______.
The 2nd of June is a Thursday in a certain year. Which day of the week is the 3rd of July in that year?
A coin with heads facing up is shown as H and a coin with tails facing up is shown as T.
Six coins are placed in the Starting Arrangement, as shown in the figure below. A "step" is defined as interchanging a pair of adjacent coins without flipping them. The minimum number of steps needed to go from the Starting Arrangement to the Final Arrangement, as shown in the figure, is ________.