Mineral and Energy Resources — I

Multiple Choice Questions

Question 1

Metallic minerals are found in

1. Sedimentary rocks
2. Metamorphic rocks
3. Igneous rocks
4. In all the above

Answer

Igneous rocks

Question 2

Magnetite type of Iron ore contains

1. 80% of pure iron
2. 72% of pure iron
3. 60% of pure iron
4. 40% of pure iron

Answer

72% of pure iron

Question 3

Iron ore is mainly used for

1. ship building
2. bolts, nails and screws
3. roads and railways
4. all the above

Answer

all the above

Question 4

This state has the largest reserves of magnetite and haematite

1. Odisha
2. Rajasthan
3. Karnataka
4. Madhya Pradesh

Answer

Karnataka

Question 5

This is an important mineral for making iron and steel

1. copper
2. iron
3. coal
4. manganese

Answer

manganese

Question 6

Manganese is used in the manufacture of

1. bolts & nails
2. sponge
3. iron appliances
4. ferromanganese

Answer

ferromanganese

Question 7

This mineral is highly ductile

1. iron ore
2. manganese
3. copper
4. bauxite

Answer

copper

Question 8

It is used for making aircrafts, ships and utensils

1. iron ore
2. bauxite
3. copper
4. none of the above

Answer

bauxite

Question 9

The highest producer of copper is

1. Balaghat district in Madhya Pradesh
2. Khetri in Rajasthan
3. Hazaribagh in Jharkhand
4. Salem in Tamil Nadu

Answer

Balaghat district in Madhya Pradesh

Question 10

The leading producer of manganese is

1. Sundargarh in Odisha
2. Chitradurg in Karnataka
3. Ratnagiri district in Maharashtra
4. Balaghat district in Madhya Pradesh

Answer

Sundargarh in Odisha

Answer the following questions

Question 1

Name the prominent minerals of India.

Answer

The prominent minerals of India are Iron ore, manganese, nickle, copper, mica, limestone and gypsum.

Question 2

Name the state that leads in the production of Iron Ore in India.

Answer

Odisha is the state that leads in the production of Iron Ore in India.

Question 3

Name two places in India where Bauxite is found.

Answer

Two places in India where Bauxite is found are Sundergarh (Odisha) and Palamau (Jharkhand).

Question 4

State two uses of Bauxite.

Answer

Two uses of Bauxite are:

1. Bauxite is the raw material for making aluminium. Aluminium is used for making aircraft, ship and utensils etc.
2. Bauxite is also used in cement, chemicals, soda cans and dishwashers.

Question 5

Why is it necessary to conserve mineral resources?

Answer

It is necessary to conserve mineral resources because they are present on earth in limited quantity and are non-renewable. Their consumption rate is high. Therefore we need to conserve them by stopping their wastage.

Question 6

Name three states where Iron ore is found in India.

Answer

Karnataka, Odisha and Chhattisgarh are three states where Iron ore is found in India.

Question 7

State the uses of Manganese.

Answer

The uses of Manganese are:

1. It is the most important mineral for making Iron and steel.
2. It is used for manufacturing of bleaching powder, insecticides, dry batteries and china clay.
3. It makes steel strong, removes impurities and makes it immune to rusting.
4. It is used to create an alloy with aluminium to produce a metal that is resistant to corrosion.
5. It is used in manufacture of ferromanganese, Silico manganese and Chrome manganese.
6. In paints, pigments and ceramics.

Question 8

Why is Manganese important for making iron and steel?

Answer

Manganese is important for making iron and steel because of the following reasons:

1. Manganese decreases the brittleness of steel and imparts strength.
2. Manganese makes steel strong, removes impurities and makes it immune to rusting.

Question 9

State the main uses of copper.

Answer

The main uses of copper are:

1. Copper is used in electrical machinery, automobile industry, stainless steel and telephones.
2. Copper is used in railway equipment industry and other engineering works.
3. Copper is used in making alloys such as brass and bronze.
4. Copper is used for making arms, ammunition and utensils.

Question 10

Name the states where copper is found.

Answer

The states where copper is found are Madhya Pradesh, Rajasthan and Jharkhand.

Question 11

Why is copper important for electrical machinery?

Answer

Copper is important for electrical machinery because of its high ductility and high thermal and electrical conductivity. It is used to make electrical wires, motors and generators.