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MCQs

Total Questions : 216 | Page 2 of 22 pages
Question 11. The volcanic sheets may vertical.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 12. Granite belongs to which mode of occurrence of igneous rock?
  1.    Volcanic rocks
  2.    Plutonic
  3.    Hypabyssal
  4.    Volcanic and hypabyssal
 Discuss Question
Answer: Option B. -> Plutonic
Answer: (b).Plutonic
Question 13. Pick the wrong statement about granitization.
  1.    It is a set of processes rather than a single step
  2.    It involves already existing sedimentary and other rocks
  3.    It involves magmatic stage
  4.    It doesn’t actually require magmatic stage
 Discuss Question
Answer: Option C. -> It involves magmatic stage
Answer: (c).It involves magmatic stage
Question 14. Majority of batholiths show which composition?
  1.    Felsitic
  2.    Granitic
  3.    Ophitic
  4.    Directive
 Discuss Question
Answer: Option B. -> Granitic
Answer: (b).Granitic
Question 15. The two most common mineral found in granites are ___________
  1.    Diamond and mica
  2.    Mica and orthoclase
  3.    Quartz and felspar
  4.    Felspar and corundum
 Discuss Question
Answer: Option C. -> Quartz and felspar
Answer: (c).Quartz and felspar
Question 16. Which is the most important accessory mineral in granite?
  1.    Felspar
  2.    Quartz
  3.    Topaz
  4.    Mica
 Discuss Question
Answer: Option D. -> Mica
Answer: (d).Mica
Question 17. What is the usual colour of gabbro?
  1.    White
  2.    Yellow
  3.    Black
  4.    Blue
 Discuss Question
Answer: Option C. -> Black
Answer: (c).Black
Question 18. Syenites belong to which mode of occurrence?
  1.    Volcanic rocks
  2.    Plutonic
  3.    Hypabyssal
  4.    Concordant
 Discuss Question
Answer: Option B. -> Plutonic
Answer: (b).Plutonic
Question 19. The texture of granite is ___________
  1.    Equigranular
  2.    Directive
  3.    Inequigranular
  4.    Intergrowth
 Discuss Question
Answer: Option A. -> Equigranular
Answer: (a).Equigranular
Question 20. Syenites show similar textures of granites.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True

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