Monday, September 2, 2013

class 8B

                         The Indian  sub - continent

Answer briefly : Page 140 

Q 1 : Name the countries that make up the Indian sub - continent ?
Ans : (page 140) The Indian  sub -continent comprises _ _ _ _ _ _ _ from Nepal to Bhutan .

Q 2 : Why is India called a sub continent ?
Ans : (page 122) It is called a sub- continent because _ _ _ _ _ _ _ underlying unity .

Q 3 : Name the three ranges that make up the Himalayan system . Name one peak or town on each range .
Ans : (page 127)The three chains (ranges) are :-
         i) Himadri or the great Himalayas - Average height 6000 m e.g Mt Everest and Kanchenjunga .
        ii) Himachal or lesser Himalayas - Average height 4500 m e.g Shimla and Darjeeling .
       iii) The Shivaliks or the outer Himalayas - average height 2000 m . e.g Dehra Dun .

Q 4 : Mention any three ways in which the northern are valuable to India .
Ans : (Page 128) The value of the northern mountain wall . (point no 1 to 6)

Q  5 : Describe the Indo Gangetic plains in three sentences .
Ans : (page 128 & 129) The northern plains are called the Indo-Gangetic plains _ _ _ _ _ _ _ _ _
        important agricultural and industrial region .

Q 6 : State three points of difference between rivers of North India and those of South India .
Ans : (Page no 133 box) Notes given earlier .

Q 7 : Name the Western and eastern limits of the Himalayan range
Ans : (page 135) more facts point no 7 .

Q 8 : Give a short geological history if the young fold mountains of the north and the Indo Gangetic plains .
Ans : page no 128; In  the distant past about a hundred million years ago _ _ _ _ _ _ to  form the Northern
         Plains .
Q 9 ; why  is the Thar ,a desert ?
Ans : page 125 ; the Thar desert is a desert because _ _ _ _ _ _ eastern branch of the monsoon .

Q 10 : State three points of differences between the Western and Eastern Ghats .
Ans : page 130/notes given  earlier ; The Western Ghats rise in steep steps _ _ _ _ _ _ _ _ _ average
        height of 450 metres with a maximum of 1200 metres .
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