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MCQs

Total Questions : 68 | Page 2 of 7 pages
Question 11. The removal of particles of dust and sand by strong winds is called _____________
  1.    Abrasion
  2.    Depletion
  3.    Deflation
  4.    Aeration
 Discuss Question
Answer: Option C. -> Deflation
Answer: (c).Deflation
Question 12. The type of erosion which involves rubbing, grinding is _____________
  1.    Deflation
  2.    Attrition
  3.    Deflection
  4.    Wind abrasion
 Discuss Question
Answer: Option D. -> Wind abrasion
Answer: (d).Wind abrasion
Question 13. The water in an oasis is obtained from which source?
  1.    Rain
  2.    Erosion from other place
  3.    Water table
  4.    Water released from adsorption
 Discuss Question
Answer: Option C. -> Water table
Answer: (c).Water table
Question 14. Which among the following is called “Mushroom rocks”?
  1.    Pedestal rocks
  2.    Yardangs
  3.    Ventifacts
  4.    Desert pavements
 Discuss Question
Answer: Option A. -> Pedestal rocks
Answer: (a).Pedestal rocks
Question 15. The rock which is well polished by wind abrasion is called _____________
  1.    Yardangs
  2.    Pedestal rock
  3.    Ventifacts
  4.    Desert pavements
 Discuss Question
Answer: Option C. -> Ventifacts
Answer: (c).Ventifacts
Question 16. The depth at which the Mohorovicic discontinuity occurs is ____________
  1.    90-100 km
  2.    50-60 km
  3.    70-80 km
  4.    30-40 km
 Discuss Question
Answer: Option D. -> 30-40 km
Answer: (d).30-40 km
Question 17. What is the speed attained by the P-waves in the C-layer under the Continental crust?
  1.    6 to 7.6 km/sec
  2.    3 to 4 km/sec
  3.    5 to 6.3 km/sec
  4.    1.8 to 2.5 km/sec
 Discuss Question
Answer: Option A. -> 6 to 7.6 km/sec
Answer: (a).6 to 7.6 km/sec
Question 18. The oceanic layer is the extension of C-layer of the continental crust and A and B-layer are mostly absent.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 19. The expansion of SIMA is ____________
  1.    Silicon and Manganese
  2.    Silicon and Magnesium
  3.    Strontium and Manganese
  4.    Strontium and Magnesium
 Discuss Question
Answer: Option B. -> Silicon and Magnesium
Answer: (b).Silicon and Magnesium
Question 20. The layer under the continental crust with the density of 2.4 to 2.6 g/cc is?
  1.    A-layer
  2.    B-layer
  3.    C-layer
  4.    D-layer
 Discuss Question
Answer: Option B. -> B-layer
Answer: (b).B-layer

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