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MCQs

Total Questions : 115 | Page 5 of 12 pages
Question 41. What percent of crust do the micas form approximately?
  1.    20%
  2.    More than 60%
  3.    4%
  4.    40%
 Discuss Question
Answer: Option C. -> 4%
Answer: (c).4%
Question 42. Which mineral is flaky and black in appearance?
  1.    Biotite mica
  2.    Muscovite mica
  3.    Diamond
  4.    Jaspar
 Discuss Question
Answer: Option A. -> Biotite mica
Answer: (a).Biotite mica
Question 43. Which is the less important and more important and less important minerals crystallize respectively?
  1.    Triclinic and monoclinic
  2.    Monoclinic and triclinic
  3.    Monoclinic and rhombohedral
  4.    Rhombohedral and triclinic
 Discuss Question
Answer: Option B. -> Monoclinic and triclinic
Answer: (b).Monoclinic and triclinic
Question 44. What type of cleavage is shown by mica group?
  1.    Perfect cubic cleavage
  2.    Perfect octahedral cleavage
  3.    Perfect basal cleavage
  4.    Prismatic cleavage
 Discuss Question
Answer: Option C. -> Perfect basal cleavage
Answer: (c).Perfect basal cleavage
Question 45. What is the other name of muscovite mica?
  1.    Black mica
  2.    Potash mica
  3.    Vitreous mica
  4.    Glossy mica
 Discuss Question
Answer: Option B. -> Potash mica
Answer: (b).Potash mica
Question 46. What is the diaphaneity of muscovite mica?
  1.    Opaque
  2.    Transparent
  3.    Translucent
  4.    Any form
 Discuss Question
Answer: Option B. -> Transparent
Answer: (b).Transparent
Question 47. What is the chemical composition of Quartz?
  1.    SiO₄
  2.    Si₂O₃
  3.    SiO₂
  4.    Al₂O₃
 Discuss Question
Answer: Option C. -> SiO₂
Answer: (c).SiO₂
Question 48. Pick the wrong statement about mica.
  1.    They have high hardness
  2.    They have low hardness
  3.    They are usually transparent to translucent
  4.    They are used as good electrical insulators
 Discuss Question
Answer: Option A. -> They have high hardness
Answer: (a).They have high hardness
Question 49. What is the streak given by muscovite mica?
  1.    White
  2.    Black
  3.    Yellow
  4.    Colourless
 Discuss Question
Answer: Option D. -> Colourless
Answer: (d).Colourless
Question 50. What is the distinguishing property between biotite mica and muscovite mica?
  1.    Streak
  2.    Lustre
  3.    Colour
  4.    Hardness
 Discuss Question
Answer: Option C. -> Colour
Answer: (c).Colour

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