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Season is a period of the year characterized by a particular set of weather conditions. Seasons are caused by:
1. rotation of the earth
2. ocean current and rotation of the earth
3. inclination of the earth's axis and earth's revolution
4. Air Mass and Jet streams
Which of the above stated reasons are incorrect?
  • a)
    1, 2 and 3 Only
  • b)
    1, 2 and 4 Only
  • c)
    2 and 4 Only
  • d)
    1 and 3 Only
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Season is a period of the year characterized by a particular set of we...
Season is a period of the year characterized by a particular set of weather conditions resulting from the inclination of the earth's axis and the revolution of the earth round the sun
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Season is a period of the year characterized by a particular set of we...
Explanation:

Introduction:
Seasons are periods of the year that are characterized by specific weather conditions. They occur due to various factors, but some of the options provided in the question are incorrect.

Incorrect reasons:
The incorrect reasons stated in the options are as follows:

1. Rotation of the Earth: The rotation of the Earth on its axis does not directly cause seasons. It is the revolution of the Earth around the Sun that primarily influences the seasons.
2. Ocean current and rotation of the Earth: While ocean currents can have some impact on regional climates, they do not directly cause seasons. The rotation of the Earth is also not a significant factor in determining seasons.
4. Air Mass and Jet streams: Air masses and jet streams can influence weather patterns, but they are not the primary cause of seasons.

Correct reason:
The correct reason for the occurrence of seasons is option 3:

3. Inclination of the Earth's axis and Earth's revolution: This is the main cause of seasons. The Earth's axis is tilted at an angle of approximately 23.5 degrees relative to its orbit around the Sun. As the Earth revolves around the Sun, different parts of the Earth receive varying amounts of solar radiation throughout the year.

Explanation:
The Earth's revolution around the Sun takes approximately 365.25 days, resulting in a year. During this revolution, when a particular hemisphere (either the Northern or Southern Hemisphere) tilts towards the Sun, it experiences summer, characterized by longer days and more direct sunlight. This is because the tilt causes the Sun's rays to be concentrated over a smaller area, leading to higher temperatures.

Conversely, when a hemisphere tilts away from the Sun, it experiences winter, characterized by shorter days and less direct sunlight. In this case, the Sun's rays are spread over a larger area, resulting in lower temperatures.

During the transitional periods between summer and winter, known as spring and autumn, the Earth's axis is not tilted towards or away from the Sun as much. This leads to milder temperatures and more balanced day lengths.

The inclination of the Earth's axis and its revolution around the Sun are responsible for the changes in seasons, as they determine the amount and intensity of solar radiation received by different regions of the Earth at different times of the year.

Conclusion:
In conclusion, the incorrect reasons for the occurrence of seasons are options 1, 2, and 4. The correct reason is the inclination of the Earth's axis and its revolution around the Sun.
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Season is a period of the year characterized by a particular set of weather conditions. Seasons are caused by:1. rotation of the earth2. ocean current and rotation of the earth3. inclination of the earth's axis and earth's revolution4. Air Mass and Jet streamsWhich of the above stated reasons are incorrect?a)1, 2 and 3 Onlyb)1, 2 and 4 Onlyc)2 and 4 Onlyd)1 and 3 OnlyCorrect answer is option 'B'. Can you explain this answer?
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Season is a period of the year characterized by a particular set of weather conditions. Seasons are caused by:1. rotation of the earth2. ocean current and rotation of the earth3. inclination of the earth's axis and earth's revolution4. Air Mass and Jet streamsWhich of the above stated reasons are incorrect?a)1, 2 and 3 Onlyb)1, 2 and 4 Onlyc)2 and 4 Onlyd)1 and 3 OnlyCorrect answer is option 'B'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Season is a period of the year characterized by a particular set of weather conditions. Seasons are caused by:1. rotation of the earth2. ocean current and rotation of the earth3. inclination of the earth's axis and earth's revolution4. Air Mass and Jet streamsWhich of the above stated reasons are incorrect?a)1, 2 and 3 Onlyb)1, 2 and 4 Onlyc)2 and 4 Onlyd)1 and 3 OnlyCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Season is a period of the year characterized by a particular set of weather conditions. Seasons are caused by:1. rotation of the earth2. ocean current and rotation of the earth3. inclination of the earth's axis and earth's revolution4. Air Mass and Jet streamsWhich of the above stated reasons are incorrect?a)1, 2 and 3 Onlyb)1, 2 and 4 Onlyc)2 and 4 Onlyd)1 and 3 OnlyCorrect answer is option 'B'. Can you explain this answer?.
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