Which are the major physiographic divisions of India? Contrast the relief of the Himalayan region with that of the Peninsular plateau.
The major physiographic divisions of India are the following:
a) The Himalayan Mountain Wall of the north.
b) The Northern Plains.
c) The Peninsular Plateau.
d) The Indian Dessert.
e) The Coastal Plains.
f) The Islands.
The following table compares and contrasts between the relief of the Himalayan region with that of the Peninsular plateau.
The Himalayan Region |
The peninsular plateau |
Contains young and folded mountains which is made from the uplift of the stratum that is formed by the sedimentary rocks. |
It is created from the igneous and metamorphic rocks after the splitting of Gondwanaland. |
It consists of very tall mountains and deep valleys. |
And it consists of broad, shallow valleys and rounded hills. |
It consists I and U shaped valleys. |
It contains horsts, rifts and troughs. |
The origin is of perennial rivers. |
It contains rained and seasonal rivers. |
From the geological point of view, this region forms the unstable zone. |
And it forms the stable zone. |
Write short notes on the following.
(i) The Indian Desert
(ii) The Central Highlands
(iii) The Island groups of India
Describe the regional variations in the climatic conditions of India with the help of suitable examples.
Give reasons as to why.
(i) Seasonal reversal of wind direction takes place over the Indian subcontinent?
(ii) The bulk of rainfall in India is concentrated over a few months.
(iii) The Tamil Nadu coast receives winter rainfall.
(iv) The delta region of the eastern coast is frequently struck by cyclones.
(v) Parts of Rajasthan, Gujarat and the leeward side of the Western Ghats are drought-prone.
Why does the rainfall decrease from the east to the west in Northern India.
Name different types of Vegetation found in India and describe the vegetation of high altitudes.
The central location of India at the head of the Indian Ocean is considered of great significance. Why?
Answer the following questions briefly.
(i) What are the controls affecting the climate of India?
(ii) Why does India have a monsoon type of climate?
(iii) Which part of India does experience the highest diurnal range of temperature and why?
(iv) Which winds account for rainfall along the Malabar coast?
(v) What are Jet streams and how do they affect the climate of India?
(vi) Define monsoons. What do you understand by “break” in monsoon?
(vii) Why is the monsoon considered a unifying bond?
Give the characteristics and effects of the monsoon rainfall in India.
Describe how the Himalayas were formed.
Discuss the mechanism of monsoons.
Give an account of the Northern Plains of India.
Distinguish between population growth and population change.
What are the significant features of the National Population Policy 2000?
Distinguish between
(i) Flora and Fauna
(ii) Tropical Evergreen and Deciduous forests
Distinguish between
(i) Converging and diverging tectonic plates
(ii) Bhangar and Khadar
(iii) Western Ghats and Eastern Ghats
Compare the east flowing and the west flowing rivers of the Peninsular plateau.
Discuss the significant difference between the Himalayan and the Peninsular rivers.
Give reasons as to why.
(i) Seasonal reversal of wind direction takes place over the Indian subcontinent?
(ii) The bulk of rainfall in India is concentrated over a few months.
(iii) The Tamil Nadu coast receives winter rainfall.
(iv) The delta region of the eastern coast is frequently struck by cyclones.
(v) Parts of Rajasthan, Gujarat and the leeward side of the Western Ghats are drought-prone.
The central location of India at the head of the Indian Ocean is considered of great significance. Why?
Write short notes on the following.
(i) The Indian Desert
(ii) The Central Highlands
(iii) The Island groups of India