Morning Star solutions for टोटल जियोग्राफी [इंग्रजी] इयत्ता १० आयसीएसई chapter 11 - Mineral Resources [Latest edition]

Minerals are natural substances having definite chemical and ______ properties.

Quality and quantity of minerals are inversely related. This means good quality minerals are ______ in quantity than low quality minerals.

Assertion (A): Iron ore forms the backbone of modern civilisation.

Reason (R): The iron ore deposits in India occur as hill masses and are easily accessible.

______ is one of the most widely distributed minerals found in the earth’s crust.

Which ore of iron is reddish in colour?

What is also known as ‘Black ore’?

Name the best quality of iron that contains more than 70 per cent of iron.

About 90 per cent of iron ore is used to make ______.

Which of the following is one of the chief iron ore exporting ports in India?

Manganese is used to make which ore tough and resistant to rusting?

Assertion (A): Aluminium is the best material for telescopes.

Reason (R): Aluminium is lightweight, strong and rust resistant metal.

You had gone to visit your aunt at Visakhapatnam where you saw large containers being shipped. On enquiring you are told it is an ore of a metal. Which ore is it?

Name the mineral needed to regulate blood sugar levels and to support the immune system.

An excess of ______ in plants and animals is toxic.

______ is essential for plant growth and reduction of nitrates in green plants.

______ is the earliest metal used by man.

Which of the following is a principal combination in which copper occurs in nature?

______ is a good conductor of electricity, highly malleable and ductile.

What is a mineral?

State two characteristics of minerals.

Distinguish between Metallic and non-metallic minerals.

Name the three varieties of iron ore mined in India. Name one state where each is found.

Name the best quality of iron ore.

Name two states where iron ore is found.

What type of mineral is copper?

Name any two states where copper is found in India.

State two important uses of following metal:

Uses of aluminium

Give a reason for the following:

Manganese is an important raw material in the iron and steel industry.

Give a reason for the following:

Bauxite is used in electrical equipment industry.

Give a reason for the following:

Raw iron needs to be alloyed in order to be useful in construction and automobile industry.

Bauxite is an oxide of which metal?

Where are the deposits of bauxite found in India?

How is brass made?

How is bronze made?

State two important uses of following metal. 

Uses of copper  

Name the states producing manganese.

State two industrial uses of manganese.

Give a reason for the following:

Magnetite is so called.

Give a reason for the following:

Copper is used for making electric wires.

Give a reason for the following:

Manganese and copper are metallic minerals with different properties.

Name two characteristics of iron ore deposits in India that facilitate their optimum use in the iron and steel plants.

Name two industries that require iron ore as raw material.

Mineral resources are richly distributed on the earth though unevenly distributed in India. They are exhaustible and non-renewable and need to be used judiciously. They have a huge impact on environment and economy.

1. State the environmental impact of mining and minerals use.
2. In regard to ferrous metals, state the economic uses of any one mineral studied by you.
3. What are the different methods to conserve minerals?
4. With reference to the picture answer the following questions:
   1. Which ore is used to manufacture the object in the picture?
      
   2. Which qualities of the ore make it suitable for this purpose?

On an outline map of India mark and name two centres where each of these minerals are found:

1. Iron ore
2. Manganese
3. Copper
4. Bauxite

You have to prepare a feasibility report for establishing mineral based industries in your state? Which industries would you recommend? Give reasons to support your answer.

Suppose you live in an area which has rich deposits of coal, dolomite, limestone and manganese and two exporting ports. Which industry can be developed in your area and why?

Minerals are exhaustible over time. Make a list of household items that could be reused by repairing, recycling or refurbishing and the benefits of doing so.