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NCERT Solutions for class 6 Geography chapter 5 – Major Domains of the Earth

Back Exercise

1. Answer the following questions briefly.

(a) What are the four major domains of the earth?

(b) Name the major continents of the earth.

(c) Name the two continents that lie entirely in the Southern Hemisphere.

(d) Name the different layers of the atmosphere.

(e) Why is the earth called the ‘blue planet’?

(f) Why is the Northern Hemisphere called the Land Hemisphere?

(g) Why is the Biosphere important for living organisms?

Answer 1.

(a)The four major domains of the Earth are – Lithosphere, Atmosphere, Hydrosphere and Biosphere.

(b)There are 7 major continents of the earth. They are:

  1. Asia
  2. Europe
  3. Africa
  4. North America
  5. South America
  6. Australia
  7. Antarctica

(c) Two continents that lie entirely in the southern hemisphere are – Australia and Antarctica.

(d) The different layers of the atmosphere are :

  1. Troposphere
  2. Stratosphere
  3. Mesosphere
  4. Thermosphere
  5. Exosphere

(e) The earth is called the blue planet, because 71% of the earth is covered with water and the remaining 29% makes up the land.

(f) The northern hemisphere is called land hemisphere, because a major part of landmass lies in it.

(g) The Biosphere is important for living organisms, because life exists here due to the presence of 3 major components- land, air and water.

2. Tick the correct answers.

(a) The mountain range that separates Europe from Asia is

(i) the Andes (ii) the Himalayas (iii) the Urals

(b) The continent of North America is linked to South America by

(i) an Isthmus (ii) a Strait (iii) a Canal

(c) The major constituent of the atmosphere by per cent is

(i) Nitrogen (ii) Oxygen (iii) Carbon dioxide

(d) The domain of the earth consisting of solid rocks is

(i) the Atmosphere (ii) the Hydrosphere (iii) the Lithosphere

(e) Which is the largest continent?

(i) Africa (ii) Asia (iii) Australia

Answer 2.

  1. (iii) the Urals
  2. (i) an Isthmus
  3. (i) Nitrogen
  4. (iii) the Lithosphere
  5. (ii) Asia

3. Fill in the blanks.

(a) The deepest point on the earth is _____________ in the Pacific Ocean.

(b) The _____________ Ocean is named after a country.

(c) The _____________ is a narrow contact zone of land, water and air that supports life.

(d) The continents of Europe and Asia together are known as _____________.

(e) The highest mountain peak on the earth is _____________.

Answer 3.

(a) The deepest point on the earth is Mariana Trench in the Pacific Ocean.

(b) The Indian Ocean is named after a country.

(c) The Biosphere is a narrow contact zone of land, water and air that supports life.

(d) The continents of Europe and Asia together are known as Eurasia.

(e) The highest mountain peak on the earth is Mount Everest.

In-Text Questions

Question 1.
Count the squares given in Figure 5.3 below and answer the following:
(a) Name the largest continent.
(b) Which is larger-Europe or Australia?
NCERT Solutions for Class 6 Social Science Geography Chapter 5 Major Domains of the Earth Q1
Answer:
(a) Largest: Asia
(b) Larger: Europe.
Different continents according to their size:

Question 2.
Look at the map of the world (Figure 5.1) of the Textbook. Are all the landmasses connected with one another?
Answer:
No, with the following exceptions:

  1. Europe, Asia and Africa are connected with one another.
  2. North America and South America are connected with each other.
  3. Australia and Antarctica are not connected either with each other or with other landhasses.

Question 3.
Could you imagine that depth of sea is much more than the highest point?
Answer:

  1. Highest point (Height): Mount Everest, 8848 m.
  2. Deepest depth of the sea (depth): Mariana Trench, 11022 m. If Mount Everest is put into the Mariana Trench the depth of water on the summit of Mt. Everest will be 2174 m.

Question 4.
Three oceans surround this continent (North America). Can you name these oceans?
Answer:
Yes.
These oceans are:

  1. Arctic Ocean in the north.
  2. Pacific Ocean in the west.
  3. Atlantic Ocean in the east.

Question 5.
Study Figure 5.2 of your Textbook and name the strait between India and Sri Lanka.
Answer:
Palk Strait.