Chhattisgarh State Board Class 6 Geography Chapter 5 Major Domains of The Earth Exercise Answer the following questions, Tick the correct answers, Fill in the blanks here.
1.) Answer the following questions briefly.
(a) What are the four major domains of the earth?
ANS:
Lithosphere, Atmosphere, Hydrosphere and Biosphere are the four major domains of the earth.
(b) Name the major continents of the earth.
ANS:
i) There are 7 major continents of the earth.
II) Asia, Africa, Europe, Australia, North America, South America and Antarctica are the major continents of the earth.
(c) Name the two continents that lie entirely in the Southern Hemisphere.
ANS:
There are different continents that lie entirely in the southern hemisphere.
ii) The continents are South America, Australia and Antarctica.
(d) Name the different layers of atmosphere.
ANS:
i) There are 5 layers of atmosphere.
ii) These layers are Troposphere, Stratosphere, Mesosphere Thermosphere and exosphere.
(e) Why is the earth called the ‘blue planet’?
ANS:
Earth is called as Blue Planet.
On earth surface there are 71% of water present on the southern hemisphere. From this earth colour we can see is blue hence,
Earth is Blue Planet.
(f) Why is the Northern Hemisphere called the Land Hemisphere?
ANS:
i) The greater parts of continents are lie in the northern hemisphere.
ii) More land area is found in northern area hence Northern Hemisphere called the Land Hemisphere.
(g) Why is the Biosphere important for living organisms?
ANS:
i) All the organisms found on the earth surface depends each other for its needs or living.
ii) These linking of organisms takes place in Biosphere hence, Biosphere important for living organisms.
2.) Tick the correct answers.
(a) The mountain range that separates Europe from Asia is
(i) The Andes (ii) the Himalayas (iii) the Urals
ANS:
The mountain range that separates Europe from Asia is the Urals
(b) The continent of North America is linked to South America by
(i) an Isthmus (ii) a Strait (iii) a Canal
ANS:
The continent of North America is linked to South America by an Isthmus
(c) The major constituent of atmosphere by per cent is
(i) Nitrogen (ii) Oxygen (iii) Carbon dioxide
ANS:
The major constituent of atmosphere by per cent is Nitrogen
(d) The domain of the earth consisting of solid rocks is
(i) The Atmosphere (ii) the Hydrosphere (iii) the Lithosphere
ANS:
The domain of the earth consisting of solid rocks is the Lithosphere
(e) Which is the largest continent?
(i) Africa (ii) Asia (iii) Australia
ANS:
Asia is the largest continent.
3) Fill in the blanks.
(a) The deepest point on the earth is _____________ in the Pacific Ocean.
ANS:
The deepest point on the earth is Mariana Trench in the Pacific Ocean.
(b) The _____________ Ocean is named after a country.
ANS:
The Indian Ocean is named after a country.
(c) The _____________ is a narrow contact zone of land, water and air that supports life.
ANS:
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 _____________.
ANS:
The continents of Europe and Asia together are known asEurasia.
(e) The highest mountain peak on the earth is _____________
ANS:
The highest mountain peak on the earth isMount Everest.
