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Very Short Question and Answers - The Seasons - Rainy

Q 1.
What causes the low-pressure condition over the northern plains by early June?

Ans:

The low-pressure condition intensifies, attracting the trade winds of the southern hemisphere.

Q 2.
Where do the south-east trade winds originate?

Ans:

They originate over the warm subtropical areas of the southern oceans.

Q 3.
What direction do the south-east trade winds blow as they enter the Indian peninsula?

Ans:

They blow in a southwesterly direction.

Q 4.
At what average velocity do the monsoon winds blow?

Ans:

The monsoon winds blow at an average velocity of 30 km per hour.

Q 5.
How long does it take for the monsoon winds to cover the country?

Ans:

The monsoon winds cover the country in about a month.

Q 6.
Which region receives very heavy rainfall of more than 250 cm during the early monsoon season?

Ans:

The windward side of the Western Ghats.

Q 7.
Where is the highest average rainfall in the world recorded?

Ans:

Mawsynram in the southern ranges of the Khasi Hills.

Q 8.
In which part of India does rainfall decrease from east to west?

Ans:

The Ganga valley.

Q 9.
Which states in India receive scanty rainfall?

Ans:

Rajasthan and parts of Gujarat.

Q 10.
What is a notable characteristic of monsoon rainfall in terms of duration?

Ans:

Monsoon rainfall tends to have 'breaks' with wet and dry spells.

Q 11.
What determines the spatial distribution of rainfall during the monsoon?

Ans:

The movement of the monsoon trough and its axis.

Q 12.
What happens when the axis of the monsoon trough lies over the plains?

Ans:

Rainfall is good in these parts.

Q 13.
Where do devastating floods often occur during the monsoon?

Ans:

In the plains, especially when heavy rains occur in the mountainous catchment areas.

Q 14.
What forms at the head of the Bay of Bengal that affects monsoon rainfall?

Ans:

Tropical depressions.

Q 15.
What role does the frequency and intensity of tropical depressions play?

Ans:

They determine the amount and duration of monsoon rains.

Q 16.
How does the monsoon affect farming schedules in India?

Ans:

It can disturb the farming schedules due to its irregular arrival and retreat.

Q 17.
What phenomenon can lead to droughts in other parts of the country during the monsoon?

Ans:

The uncertainties and irregularities of the monsoon.

Q 18.
What are the alternating conditions of monsoon rainfall known for?

Ans:

They vary in intensity, frequency, and duration.

Q 19.
What is the impact of the monsoon trough's movement on rainfall?

Ans:

It causes alterations in rainfall patterns, leading to periods of heavy rain or dry spells.

Q 20.
Which region receives some rain despite being in a rain shadow area during the monsoon?

Ans:

The Deccan Plateau and parts of Madhya Pradesh.

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