Observe and study the following map showing nuclear and thermal power plants. Write the names of states where the following power plants are located

1

(a)

Which one of the following minerals is formed by decomposition of rocks, leaving a residual mass of weathered material?

1

(a)

coal

(b)

bauxite

(c)

gold

(d)

zinc

Minerals are deposited and accumulated in the stratas of which of the following rocks?

1

(a)

sedimentary rocks

(b)

metamorphic rocks

(c)

igneous rocks

(d)

none of the above

Which out of the following minerals occur in the sands of valley floors and the base of hills?

1

(a)

Gold

(b)

Copper

(c)

Sulphur

(d)

Marble

Which mineral is largely derived from the ocean water?

1

(a)

Magnesium is largely derived from the ocean water.

What are placer deposits?

1

(a)

Certain minerals may occur as alluvial deposits in the sands of the valley floors and the base of hills. These deposits are called 'placer deposits'

Name the iron ore belt where Kudremukh mines are located

3

(a)

Kudremukh mines are located in Bellary-Chitradurga-Chikkamagaluru Tumakuru iron-ore belt.

Why mining activity is often called a "Killer Industry". Give three reasons.

3

(a)

What are minerals? How are they classified?

3

(a)

How is hydroelectricity generated? What advantages does it have over thermal electricity?

5

(a)

Name the areas which have rich deposits of coal. What are the three major forms of coal? Write main features of each form.

10

(a)