100 Best Geography- Rocks and Minerals MCQs
Q25). Which of the following is carbonaceous rocks ?
a).Peat
b).Lignite
c).Coal
d).All of these
Correct Answer:
All of these
Explaination:
Q26). Sea weeds are important source of
a).iron
b).chlorine
c).bromine
d).iodine
Correct Answer:
iodine
Explaination:
Q27). Petroleum occurs in
a).Sedimentary rocks
b).Igneous rocks
c).Metamorphic rocks
d).All of these
Correct Answer:
Sedimentary rocks
Explaination:
Q28). Which of the following minerals is not included in the category of nonmetallic minerals ?
a).Lead
b).Coal
c).Sulphur
d).Potash
Correct Answer:
Lead
Explaination:
Q29). Coal and limestone are examples of
a).metamorphic rocks
b).sedimentary rocks
c).igneous rocks
d).None of these
Correct Answer:
sedimentary rocks
Explaination:
Q30). Chalk is an example of
a).carbonaceous rock
b).siliceous rock
c).carbonate rock
d).argillaceous rock
Correct Answer:
carbonate rock
Explaination:
Q31). More than 90% of the rock-forming minerals in the earth’s crust consist of
a).Silicates
b).Oxides
c).Carbonates
d).Sulphides and Sulphates
Correct Answer:
Silicates
Explaination:
Q32). Which of the following resources is regarded as the basis of Industrial Revolution ?
a).Aluminium
b).Uranium
c).Mica
d).Coal
Correct Answer:
Coal
Explaination: