Geology Quiz on Minerals and Metamorphism

General Aptitude (GA) - GATE 2024

• Q1: If "→" indicates increasing intensity, the analogy for [simmer → seethe → smolder] is [break → raze → obliterate]

• Q2: In a locality, house numbers on one side of a road are consecutive odd numbers starting from 301, and the other side's house numbers are consecutive even numbers starting from 302. The total number of houses on both sides is equal. If the difference in the sum of the house numbers on both sides is 27, then the number of houses on each side of the road is 52.

• Q3: Given Ta = p(q⁻¹), q ≠ 1, then qp⁻¹ = p⁻¹(-1). The answer is √a = √p

• Q4: In the sequence 3, 7, 15, x, 63, 127, 255, a possible value for x is 31.

• Q5: Between 12:05:00 and 12:55:00, the second hand and the minute hand of a clock will cross each other 51 times.

• Q6: The best match for the blanks in the text about athletics at the Athenian arena to modern Olympic stadiums are given as follows:

  • (i) holds
  • (ii) wait
  • (iii) culminates
  • (iv) pivots

• Q7: Three indistinguishable sets of twins are seated at a circular table with 8 identical chairs. Unique seating arrangements where each person sits next to their twin are 14.

• Q8: Among T1, T2, T3, and T4, T1 technology has the highest capacity factor. (data needed to calculate).

• Q9: The maximum number of crosses possible in the empty column is 3.

• Q10: The ratio of Earth-Sun distance to Earth-Moon distance during a half-moon phase, given an angle of 89.85°, is approximately 328.

• Q11: The Earth's magnetic field originates in the outer core.

• Q12: A caliper is used to measure the diameter of a borehole.

• Q13: The given array in DC resistivity surveys corresponds to the Wenner configuration.

• Q14: Granite is an ultramic rock

• Q15: Gold is produced from the Jaduguda mine in India.

• Q16: The Tapti hydrocarbon field is located in the western offshore of India

• Q17: The Young's modulus of the granite sample is 57 GPa

• **Q18:**The P-phase corresponding to the presented ray path is PKP

• Q19: Matching geophysical methods in Group I to their physical properties in Group II:

  • P - 3 (Magnetic - Susceptibility)
  • Q - 4 (Gravity - Density)
  • R - 2 (Magnetotelluric - Electrical conductivity)
  • S - 1 (Induced polarization - Chargeability)

• Q20: A tetrahedron has 4 planes of symmetry.

• Q21: The Quaternary Period includes the Holocene and Pleistocene Epochs.

• Q22: Olivine, Quartz, and Albite have an O:Si ratio of 4:1 in their silicate structures. Diopside does not.

• Q23: Antiform and Syncline are fold structures in rock formations.

• Q24: The radiogenic heat production in the crustal layer is 32 µW/m³.

• Q25: The transmissivity of the aquifer is approximately 2767.98 m²/day

• Q26: The magnitude of the electric field measured along the length of the rod is 200 V/m.

• Q27: The lineation observed on a foliation with attitude 210°, 40° NW is 40° → 350°.

• Q28: Matching minerals (Group I) to cleavage types (Group II):

• P - 3 (Diopside - Prismatic)

• Q - 1 (Fluorite - Cubic)

• R - 4 (Galena - Rhombodroidal)

• S - 2 (Calcite - Rhombohedral)

• Q29: The composition of iron meteorites closely matches Bulk Silicate Earth.

• Q 30: Match the microstructures in Group I with their characteristics in Group II (Data Needed to answer)

• Q31: Shale is the least abundant sedimentary rock.

• Q32: The sequence of increasing metamorphic grade is Talc → Tremolite → Diopside

• Q33: Orohippus is the oldest horse genus.

• Q34: The measured plate velocity in the Indian Plate is maximum at Delhi.

• Q35: The chalcopyrite disease is described as Chalcopyrite lamellae in bornite

• Q36: The volcanics are in this order from oldest to youngest: Bijli → Rajmahal → Malani → Deccan

• Q37: Komatiite hosted Ni-Cu and Leucogranite hosted U are formed by fractional crystallization of magma.

• Q38: Ganga, Krishna-Godavari, and Kaveri are commercially important sedimentary basins.

• Q39: Aspergillum, and Tellina are swimmers

• Q40: Roof thrust, Floor thrust, Imbricate fan, and Horse are rock structures associated with duplexes in fold-thrust belts.

• Q41: Karst topography forms in limestone terrains, Oxbow lakes are formed in fluvial environments.

• Q42: The value of X in the equation is 5.

• Q43: The area of the roof supported by a single rock bolt is 8 m².

• Q44: The total length of drainages is 40 km.

• Q45: Matching stratigraphic units (Group I) with sedimentary basins (Group II)

  • P - 1 (Ramgundam Sandstone - Chhattisgarh)
  • Q - 2 (Raipur Formation - Kaladgi)
  • R- 4 (Bagalkot Group - Marwar)
  • S- 3(Sonia Sandstone - Son-Indus)

• Q46: A crosscut is a type of decline in underground mines

• Q47: The optic sign for a mineral with the given centered optic axis figure is uniaxial positive.

• Q48: Matching invertebrates in Group I with morphological features in Group II:

  • P-2 (Trilobite - Hypostome)
  • Q-4 (Brachiopod - Lunule)
  • R-1 (Bivalve - Deltidial plate)
  • S-3 (Echinoid - Periproct)

• Q49: The mineral reaction representing the second sillimanite isograd is Muscovite + Quartz = Sillimanite + K – feldspar + H₂O

• Q50: The deviatoric stress in 2D stress Mohr circle is represented by the radius.

• Q51: In the given fold profile, the fold structure is an antiform facing east.

• Q52: The trend indicated by the arrow (during equilibrium crystallization of diopside) is I.

• Q53: Matching copper deposits in Group I with host rocks in Group II:

•  P- 2 (Khetri - Garnetiferous chlorite schist)

• Q-1 (Mosabani - Chlorite-biotite schist and soda-granite)

• R- 4 (Malanjkhand - Tonalite-granodiorite-granite)

• S-3 (Kalyadi - Meta chert)

• Q54: Continental-continent collision represents the termination of the Wilson cycle.

• Q55: The fraction of incident electromagnetic energy reflected from a material is called albedo.

• Q56: Both replacement and exhalative ores are possible in SEDEX type deposits; Orogenic gold deposits are epigenetic.

• Q57: Ladder-back ripples and rain prints are found in intertidal deposits

• Q58: Conodont and Illite can be used for source rock maturation estimates according to color.

• Q59: The Bababudan schist belt is located to the east of the Closepet Granite in southern India.

• Q60: The initial liquid composition is 60 wt.% of P and 40 wt.% of Q; the composition of the solid in equilibrium with the liquid at Y is 10wt% of P and 90wt% of Q; the bulk composition of the final solid product during equilibrium crystallization is 40wt.% of P and 60wt.% of Q.

• Q61: M-plane pole of a fault is located on the fault plane. Also, it is perpendicular to the slickenline on the fault plane.

• Q62: Miliammina is a microfossil.

• Q63: The minimum value for pore water pressure (pw) that would cause failure in situ, given the stress condition, is approximately 6.96 MPa.

• Q64: The calculated age of the gabbro is approximately 41 million years (round figure).

• Q65: The effective hydraulic conductivity of the soil mass is 2.4x10⁻¹ cm/s or 0.24 cm/s( or 2.3)