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Question

Assertion (A): The monsoon enters West Bengal and Bangladesh from south and southeast direction.

Reason (R): Arakan Hills along the coast of Myanmar deflect the monsoon winds of the Bay of Bengal towards the Indian subcontinent

This question was previously asked in
CSIR NET 2019 Earth Science Question Paper (15-Dec-2019)
The correct answer is
A and R are true and R is the correct explanation of A

Monsoon Entry Assertion West Bengal Verified

The Assertion (A) states that the monsoon enters West Bengal and Bangladesh from the south and southeast direction. This is factually correct. The Indian Summer Monsoon typically has two main branches: the Arabian Sea branch and the Bay of Bengal branch. The Bay of Bengal branch moves northwestward and significantly influences the climate of West Bengal and Bangladesh, often arriving from the south or southeast.

Arakan Hills Monsoon Deflection Reason Analyzed

The Reason (R) explains that the Arakan Hills along the coast of Myanmar deflect the monsoon winds originating from the Bay of Bengal towards the Indian subcontinent. This statement is also factually correct. The Arakan Mountains form a barrier that guides the moist monsoon winds blowing from the Bay of Bengal more directly into Bangladesh and the northeastern parts of India, including West Bengal.

Monsoon Path Explanation Linking Assertion and Reason

The deflection of the Bay of Bengal monsoon winds by the Arakan Hills (Reason R) is the direct cause for these winds entering regions like West Bengal and Bangladesh from the south and southeast (Assertion A). Therefore, Reason (R) provides a correct and accurate explanation for Assertion (A).

  • Assertion (A) is true.
  • Reason (R) is true.
  • Reason (R) correctly explains Assertion (A).

Thus, the correct option is that both A and R are true, and R is the correct explanation of A.

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Important Questions from Indian Monsoon and Severe Weather

  1. Which one of the following statements about Western disturbances is FALSE?
  2. Choose the FALSE statement amongst the following:
  3. Choose the correct combination of the physical properties (A, B, C and D) that are TRUE for the Indian summer monsoon system. 

    A – deep, B – moist, C – barotropic, D – baroclinic

  4. Choose the correct combination of the following statements (A, B, C and D) that is TRUE for the Indian Northeast monsoon. 

    A. Northeast India gets maximum rainfall. 

    B. The winds are north-easterlies over Bay-of- Bengal. 

    C. Maximum number of tropical depressions, storms and cyclones are formed over Arabian Sea. 

    D. ITCZ is located south of $20^\circ\text{N}$

  5. During a break-monsoon condition in summer, the monsoon trough moves
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