100 Best Geography- Rocks and Minerals MCQs
Q49). Dolomite is a/an
a).Sedimentary rock
b).Plutonic rock
c).Igneous rock
d).Metamorphic rock
Correct Answer:
Sedimentary rock
Explaination:
Q50). Mechanically formed sedimentary rocks are
a).Chalk
b).Coral
c).Gravel
d).Borax
Correct Answer:
Chalk
Explaination:
Q51). Which one of the following is a mechanically formed rock ?
a).Salt rock
b).Limestone
c).Sandstone
d).Gypsum
Correct Answer:
Sandstone
Explaination:
Q52). Which one of the following is known as ‘Brown Coal’ ?
a).Lignite
b).Peat
c).Anthracite
d).Bituminous
Correct Answer:
Lignite
Explaination:
Q53). Which of the following is an example of plutonic igneous rock ?
a).Basalt
b).Granite
c).Slate
d).Marble
Correct Answer:
Granite
Explaination:
Q54). The largest producer of gold in the world is
a).South Africa
b).Australia
c).Canada
d).Russia
Correct Answer:
Australia
Explaination:
Q55). Which of the following minerals is known as abhrak in Ayurveda ?
a).Manganese
b).Sulphur
c).Gypsum
d).Mica
Correct Answer:
Mica
Explaination:
Q56). Which of the following is an organic rock ?
a).Marble
b).Granite
c).Slate
d).Coal
Correct Answer:
Coal
Explaination: