Part of: Miscellaneous Indian Gk set 377

Chennai has an lower annual range of temperature than Lucknow because the later is located in the interior and thus experience continental type of climate.

Category: Miscellaneous Indian Gk

Hint: Consider the climatic differences between coastal and inland regions.

Correct Answer: B) Correct

Exam Relevance: UPSC, SSC, Bank PO, Civil Services

Difficulty: Moderate

Explanations:

The statement "Chennai has a lower annual range of temperature than Lucknow because the latter is located in the interior and thus experiences a continental type of climate" is correct. To understand this, we need to delve into the climatic differences between coastal and inland regions.

Chennai, located on the southeastern coast of India, is influenced by the Bay of Bengal. Coastal regions generally have a more moderate climate due to the sea's ability to absorb and release heat slowly. This results in a smaller range of temperatures throughout the year. The sea acts as a buffer, preventing extreme temperature fluctuations. During the day, the sea absorbs heat, and at night, it releases it, leading to a more stable temperature range.

In contrast, Lucknow, situated in the northern part of India in the interior, experiences a continental climate. Continental climates are characterized by large temperature variations between day and night and between seasons. Inland areas are not influenced by the moderating effects of large bodies of water, leading to more extreme temperature ranges. During the day, the land heats up quickly, and at night, it cools down rapidly, resulting in a higher annual temperature range.

The continental climate of Lucknow is influenced by its location in the interior of the Indian subcontinent. It is far from the moderating influence of the sea, and its climate is more affected by the seasonal changes in wind patterns and the presence of the Himalayas to the north, which can block cold air masses from the north and warm air masses from the south.

Therefore, the statement correctly identifies the climatic differences between Chennai and Lucknow based on their geographical locations. Chennai, being a coastal city, experiences a more moderate range of temperatures, while Lucknow, located in the interior, experiences a continental climate with more extreme temperature variations.

Option Analysis:
  • Option A: This option is incorrect because Chennai does indeed have a lower annual range of temperature than Lucknow due to its coastal location, which moderates temperature extremes.
  • Option B: This option is correct because Chennai, being a coastal city, experiences a more moderate range of temperatures compared to Lucknow, which is located in the interior and experiences a continental climate with more extreme temperature variations.
  • Option C: This option is incorrect because the statement is not ambiguous; it correctly identifies the climatic differences between Chennai and Lucknow based on their geographical locations.
  • Option D: This option is incorrect because the statement is correct and does not require either of the other options to be true.

Mnemonic: C-L: Coastal-Lower, Inland-Continental

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