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South-West Monsoon reaches Kerala in
  • a)
    End of May
  • b)
    Mid-June
  • c)
    Last June
  • d)
    First week of July
Correct answer is option 'A'. Can you explain this answer?

The general trend of the arrival of Southwest Monsoon in Kerala is the last (3-4) days of May to early days of June.

Consider the following statements
The South-West monsoon originates in India due to
1. low pressure in the Punjab plain.
2. high pressure in areas South of India.
3. equatorial low being filled up by descending air current.
4. the Himalayas.
Which of the statements given above is/are correct?
  • a)
    1 and 4
  • b)
    1 and 2
  • c)
    1 and 3
  • d)
    2 and 4
Correct answer is option 'A'. Can you explain this answer?

Ojasvi Mehta answered
  • The southwest Monsoon brings rains towards the end of summer as the high pressure built in the Indian Ocean pushes the wind masses towards the low pressure formed on land.
  • The southwestern summer Monsoons occur from July through September. Northern and central Indian subcontinent heats up during the hot summers.
  • This causes a low-pressure area over the northern and central Indian subcontinent. To fill this void, the moisture-laden winds from the Indian Ocean rush into the subcontinent.
  • These winds, rich in moisture, are drawn towards the Himalayas. The Himalayas act like a high wall, blocking the winds from passing into Central Asia and forcing them to rise. As the clouds rise their temperature drops and precipitation occurs.

Consider the following statements about south-west monsoon:
1. It occurs from June to September
2. Its direction is north-east to south-west.
3. It gives maximum rainfall as compared to another monsoon.
4. It has no branch.
Of these statement(s) which is/are correct?
  • a)
    1, 2, 3 and 4
  • b)
    1 and 3
  • c)
    2, 3 and 4
  • d)
    2 and 4
Correct answer is option 'B'. Can you explain this answer?

Prisha Basak answered
It occurs from June to September. As Southwest Monsoon approaches the withdrawal phase from a particular region, certain conditions become prevalent. These include change of wind pattern, reduction in cloud cover, and decrease in humidity, cessation of rain or sporadic rain, and temporary rising tendency of temperatures.

Which of the following statements concerning rainfall in India is/are correct?
1. Most of the rainfall in India is due to the South-West monsoon.
2. In South India, rainfall decreases away from the Eastern Ghats.
Select the correct answer using the codes given below
  • a)
    Only 1
  • b)
    Only 2
  • c)
    Both 1 and 2
  • d)
    Neither 1 nor 2
Correct answer is option 'A'. Can you explain this answer?

Sonal Gupta answered
In South India, rainfall decreases away from the Eastern Ghats  is false. The correct geographical pattern is that rainfall decreases from the Western Ghats towards the East. The Western Ghats block the moisture-laden South-West monsoon winds, leading to heavy rainfall on the western side, while the regions to the east (like the Deccan Plateau) receive less rainfall.
 
 

The retreating Monsoon gives rainfall to
  • a)
    Gujarat
  • b)
    Goa
  • c)
    Tamilnadu
  • d)
    Maharashtra
Correct answer is option 'C'. Can you explain this answer?

Ojasvi Mehta answered
  • Around September, with the sun fast retreating south, the northern landmass of the Indian subcontinent begins to cool off rapidly. With this air pressure begins to build over northern India, the Indian Ocean and its surrounding atmosphere still hold its heat.
  • This causes the cold wind to sweep down from the Himalayas and Indo-Gangetic Plain towards the vast spans of the Indian Ocean south of the Deccan peninsula. This is known as the Northeast Monsoon or Retreating Monsoon.

Consider the following statements regarding El Nino effect on Indian Monsoon :
1. The surface temperature goes up in the Southern Pacific Ocean and there is deficient rainfall in India.
2. The Walker Circulation shifts eastward from its normal position and reduces monsoon rainfall in India.
Which of the statements given above is/are correct?
  • a)
    1 only
  • b)
    2 only
  • c)
    Both 1 and 2
  • d)
    Neither 1 nor 2
Correct answer is option 'C'. Can you explain this answer?

  • El Nino is the name given to the warm ocean currents along the Pacific coast of South America that arise every few years at about Christmas time.
  • The El Nino phenomenon is a part of a chain of meteorological events that extends from the eastern Pacific to northern Australia, Indonesia and into the heartland of India.
  • There is a rather weak correlation between El Nino and the Indian monsoon rains.

South-West monsoon contributes to India’s total rainfall up to the extent of
  • a)
    80-90%
  • b)
    50-55%
  • c)
    100%
  • d)
    75%
Correct answer is option 'A'. Can you explain this answer?

The South-West Monsoon significantly impacts India's rainfall patterns. Here are some key points:
  • It contributes to 80-90% of India's total annual rainfall.
  • This monsoon season occurs from June to September.
  • It is crucial for agriculture and water resources.
Therefore,Correct Answer - Option A
 

Which of the following factors contribute to the onset of the South-West Monsoon in India?
1. low pressure in the Indian subcontinent.
2. high pressure over the Indian Ocean.
3. differential heating of land and sea.
Which of the statements given above is/are correct?
  • a)
     1, 2 and 3
  • b)
    1 and 3
  • c)
    2 and 3
  • d)
    1 and 2
Correct answer is option 'A'. Can you explain this answer?

Divey Sethi answered
The South-West Monsoon in India is influenced by several factors:
  • The presence of low pressure over the Indian subcontinent draws moist air from the ocean.
  • A high pressure area over the Indian Ocean facilitates the movement of air towards the low-pressure region.
  • The differential heating of land and sea creates pressure differences that drive the monsoon winds.
Therefore, Right Answer - Option A

Which of the following statements regarding south-west monsoon in India is/are correct?
I. Monsoon reaches the Malabar coast first.
II. Rajasthan does not get rainfall from the south-west monsoon.
III. South-west monsoon retreats when the permanent wind belts start shifting to the south.
Select the correct answer using the code given below :
  • a)
    I and III only
  • b)
    I and II only
  • c)
    III only
  • d)
    I, II and III
Correct answer is option 'A'. Can you explain this answer?

I. Monsoon reaches the Malabar coast first.
This is correct. The southwest monsoon usually reaches the Malabar coast (the west coast of India) first, around the beginning of June.
II. Rajasthan does not get rainfall from the south-west monsoon.
This is incorrect. While Rajasthan does not receive as much rainfall as other parts of India, it does get some rainfall from the southwest monsoon, especially in the southern parts of the state.
III. South-west monsoon retreats when the permanent wind belts start shifting to the south.
This is correct. The southwest monsoon begins to retreat around September, when the permanent wind belts (such as the subtropical high-pressure belt) shift southward, leading to a decrease in rainfall.
So, the correct answer is a) I and III only.

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