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MCQs

Total Questions : 108 | Page 1 of 11 pages
Question 1. During its orbital motion around the Sun, the Earth is nearest to the Sun on
  1.    March 21
  2.    July 4
  3.    September 23
  4.    January 3
 Discuss Question
Answer: Option D. -> January 3


-NA-


Question 2. Out of the following gases which one has the highest contribution towards the greenhouse effect on
the Earth?
  1.    CO2
  2.    CO
  3.    CH4
  4.    H2O
 Discuss Question
Answer: Option D. -> H2O


-NA-


Question 3. Which one of the following can be best explored using electromagnetic method?
  1.    Oil-bearing strata
  2.    Coal-bearing strata
  3.    Disseminated sulphide deposit
  4.    Massive sulphide deposit
 Discuss Question
Answer: Option D. -> Massive sulphide deposit


-NA-


Question 4. Which physical property of the medium governs the response of Ground Penetrating Radar (GPR)?
  1.    Electrical conductivity
  2.    Electromagnetic conductivity
  3.    Seismic wave velocity
  4.    Electrical permeability (dielectric permittivity)
 Discuss Question
Answer: Option D. -> Electrical permeability (dielectric permittivity)


-NA-


Question 5. The most sensitive instrument for magnetic survey is
  1.    magnetic field balance
  2.    fluxgate magnetometer
  3.    proton precession magnetometer
  4.    optically pumped magnetometer
 Discuss Question
Answer: Option D. -> optically pumped magnetometer


-NA-


Question 6. When did the supercontinent Pangaea begin to break up?
  1.    Cenozoic
  2.    Mesozoic
  3.    Palaeozoic
  4.    Proterozoic
 Discuss Question
Answer: Option B. -> Mesozoic


-NA-


Question 7. A sandstone bed dipping 30° has an outcrop width of 20 m in a flat terrain. What is the true
thickness (in m) of the bed?
  1.    5
  2.    10
  3.    20
  4.    30
 Discuss Question
Answer: Option B. -> 10


-NA-


Question 8. Specific discharge of 1 cm per day is observed in a porous medium where hydraulic head difference
is 0.5 m and flow length is 20 m. Calculate the hydraulic conductivity (in m/day).
  1.    0.4
  2.    0.8
  3.    1.2
  4.    1.6
 Discuss Question
Answer: Option A. -> 0.4


-NA-


Question 9. Calculate the concentration (in ppm) of Ni in olivine that crystallizes from a basaltic magma
containing 20 ppm Ni. The partition coefficient (solid/melt) of nickel is 5.
  1.    4
  2.    20
  3.    100
  4.    500
 Discuss Question
Answer: Option C. -> 100


-NA-


Question 10. In which of the following localities does coal deposit occur?
  1.    Dariba
  2.    Kudremukh
  3.    Wardha
  4.    Rudrasagar
 Discuss Question
Answer: Option C. -> Wardha


-NA-


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