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INDIAN MONSOON SEASONS AND THEIR FEATURES-10th Standard Social Science Notes

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Chapter-3

Geography

INDIAN MONSOON SEASONS AND THEIR FEATURES

KEY POINTS:

1. Four seasons of India:

  • Winter – December to February
  • Summer – March to May
  • South west monsoons or rainy seasons – June to September
  • Retreating monsoons – October and November.

2. Rainfall in India :

1. Winter – 2%

2. Summer – 10%

3. Rainy – 75%

4. Retreating monsoon season – 13%

  • The highest temperature region in India is Ganganagar in Rajasthan (520 C).
  • The lowest rainfall region in India is Royli Rajasthan (8.3 cm).
  • The heaviest rainfall in India is Mawsynarm in Meghalaya Plateau (1141 cm).
  • The word „monsoon‟ comes from Arabic word „Mousim‟ which means Season.
  • The eastern regions of Western Ghats becomes a rain shadow area.
  • Climate plays a very important role in the economic development of India.
  • The South West monsoon winds start The south west monsoon winds bring rain to a greater part of India.

I Choose the Correct answer from the following alternatives:

1. Ganganagar of has the highest temperature in India.

a) Delhi b) Punjab c) Rajasthan d) Haryana

2. The Indian agriculture is a gamble with the

a) Climate b) Monsoons c) Relief d) Rainfall

3. The Control the agriculture of India

a) South-West Monsoons b) South-east trade winds

c) Retreating monsoon winds d) The Arabian Sea branch

4. Plays a very important role on the economic development of a nation

a) Rainfall b) Position c) Relief d) Climate

5. The place which gets the heaviest rainfall in India is

a) Agumbe in Western Ghats b) Andaman and Nicobar Islands

c) Shillong Plateau d) Mawsynram in Meghalya Plateau

6. Low rainfall region in India is

a) Rajasthan b) Haryana c) Assam d) West Bengal

7. Royli in gets only around 8.3 cm. of rainfall every year

a) Punjab b) Haryana c)Rajasthan c)Himachal Pradesh

8. The Pre-Monsoon showers that Occur in April-May in are called Mango Showers

a) Tamil Nadu b) Assam c) Kerala d)West Bengal

II Fill in the blanks with suitable words:

1. Highest temperature region in the country is Ganganagar (520C )

2. The season of maximum rainfall is Rainy Season

3. The area receiving the very less rainfall in the country is Royli

4. The area receiving the highest rainfall in the country is Mawsynarm

5. Indian agriculture is said to be a gamble with the monsoons.

6. Tropical Monsoon type of climate is found in greater part of India.

7. North East Monsoon winds bring rain to the coromandel coast.

8. In India, Mawsynarm is the area with highest rainfall.

9. Pre-monsoon rain in Kerala is known as Mangoshowers.

III Match the followings:

1. Highest rain fall - Mawsynaram

2. Lowest rainfall -  Royli

3. Highest Temperature - Ganganagar

4. Pre monsoon rainfall -  Mangoshowers

5. Retreating monsoon - Coramandel coast

IV. Answer the following after discussing them in groups:

1. Which type of climate is experienced by India?

Tropical monsoon.

2. What are monsoon winds?

The word Monsoon is derived from an Arabic word „Mausim‟. It means seasons.

The seasonal winds are also called monsoon winds.

3. Which season is generally called the rainy season?

South west monsoon season from June to September is also called rainy season.

4. What are the factors influenced on climate of India ?

Latitude, height from the sea level, distance from the sea, direction of the winds, mountain ranges, ocean currents etc., are influence on the climatic of India.

5. “Indian agriculture gambling with the monsoon winds.‟ Discuss.

  • Climatic condition of a country has a great influence on its economy.
  • The South-West monsoons control the agriculture of India which is the main
  • occupation of Indians.
  • Failure of rainfall leads to drought.
  • When the monsoons are heavy there are floods they also cause to destruction to life and property.
  • Hence it is said that Indian agriculture is a “gamble with the monsoons”.

6. Mention the different names of Rainfall which occur during summer

“Kala Baisakhi‟ - West Bengal, Andhis - Uttar Pradesh coffee blossoms - karnataka Mango showers‟ - Kerala.

7. Which are the 3 arinfall region of india ?

1)low rainfall region – (Less than 50 cms)

2)Modevate rainfall region - (50cms to 250 cm)

3)Heavg rainfall region - (More than 250 cms)

8. Which are the heavy rainfall regions in india?

  • Areas receiving more than 250 cms of rain are called areas of surplus rainfall. Western areas of Western Ghats, Assam and other eastern states and West Bengal come in this category.
  • Mawsynram region of Meghalaya gets highest rainfall in the country.

9. Which are the low rainfall region of in India ?

  • Areas getting less than 50 cms of rain are called areas of deficit rainfall.
  • Thar desert of Rajasthan and its adjoining areas like Punjab, Haryana, Kutch regions, Jammu and Kashmir, eastern parts of Maharashtra and interior Karnataka are the areas of deficit rainfall.
  • Ruyli of Jaisalmer district in Rajasthan is the area receiving least annual rainfall of 8.3 cms in the country.

10. Explain the Rainy seasons of India.

  • In India, the South-West Monsoons comprise the rainy season.
  • These are called the South- West Monsoon winds.
  • These are very humid and shower rain most parts of the country.
  • This season spreads from June to September 75% of the rainfall occurs during this season.
  • South West Monsoon separates India into two braches: one is the Arabian Sea branch and the other is the Bay of Bengal branch.
  • Monsoon winds are obstructed by the Western Ghats and as such, maximum rainfall is seen to the west of the Ghats.
  • As these winds proceed to the east, they get depleted of rain.
  • The eastern regions of the Western Ghats are called rain-shadow regions.
  • The Bay of Bengal monsoon winds bring rain to Myanmar, Bangladesh, North- East Indian regions, foothills of the Himalaya and the North-Indian plains.
  • The rain reduces as we move from North east to North west.
  • With the exception of the Tamil Nadu region, most of the country’s regions
  • receive rain during the South-West Monsoon.

11. India has a summer from march to may ? How ? Explain.

  • The summer season begins from the first week of March and it continues till the end of May.
  • During this season. The sun rays are perpendicular in the Northern hemisphere. Hence temperature will be high. Days are quite long.
  • The North-Indian plains are away from the sea and have very high temperature.

12. From which winds do the Western Ghats get rainfall ? How ?

Western Ghats get rainfall from the Arabian sea branch of south west monsoon winds. The Arabian Sea branch strikes the Western Ghats and causes heavy rainfall to the western side of the Western Ghats and the rainfall decreases as it advances towards Madhya Pradesh.

13. Rainfall occurs in few places in India during summer ? Giver reasons.

During summer season the northern mountain region and the plateaus of peninsular India are cooler.

Rainfall occurs at few places due to local temperature and winds

14. What are Retreating monsoons?

  • By the end of October, because of the Wide-spread South-West Monsoon rains, there is a decrease in the temperature.
  • Besides, during this season, the sun rays fall
  • Vertically on the Southern hemisphere.
  • As a result, there is a drop in the temperature in the Northern hemisphere.
  • Hence this area becomes an area of high presure and the South- West monsoon winds start receding. Slowly, they stop
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2 Responses to "INDIAN MONSOON SEASONS AND THEIR FEATURES-10th Standard Social Science Notes"

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yenzed said...

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