NCERT Class 10 Chapter 5 Minerals and Energy Resources MCQs for UPSC

1. What is a mineral?

1. A.A homogeneous, naturally occurring substance with a definable internal structure.
2. B.Any material manufactured from rock.
3. C.Only a metallic substance extracted from ore.
4. D.A mixture of water and soil found at the surface.

2. When does an accumulation of a mineral qualify as an ore?

1. A.When it contains only one chemical element.
2. B.When its mineral content is sufficiently concentrated for commercially viable extraction.
3. C.When it is found only in sedimentary rocks.
4. D.When it can be obtained without government permission.

3. How do metallic minerals such as tin, copper, zinc and lead commonly occur in igneous and metamorphic rocks?

1. A.As placer deposits in valley-floor sand.
2. B.As horizontal beds formed by evaporation.
3. C.In cracks, crevices, faults or joints as veins and lodes.
4. D.Only as dissolved minerals in ocean water.