UPSC Prelims 2004·GS1·geography·climatology

Assertion (A): Bangalore receives much higher average annual rainfall than that of Mangalore. Reason (R): Bangalore has the benefit of receiving rainfall both from south-west and north-east monsoons.

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  1. ABoth A and R are individually true and R is the correct explanation of A
  2. BBoth A and R are individually true but R is not the correct explanation of A
  3. CA is true but R is false
  4. DA is false but R is trueCorrect

Explanation

Assertion (A) is false. Mangalore, being on the west coast and at the foot of the Western Ghats, receives significantly higher average annual rainfall (typically 3000-4000 mm) than Bangalore (typically 900-1000 mm), which is inland on the Deccan Plateau. Reason (R) is true. Bangalore, located in southern Karnataka, receives rainfall from both the South-West Monsoon (June-September) and the North-East Monsoon (October-December), which brings rainfall to parts of South India as it picks up moisture from the Bay of Bengal. Since A is false and R is true, option D is the correct answer.
geography: Assertion (A): Bangalore receives much higher average annual rainfall than that of Mangalore. Reason (R): Bangalore has

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