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Question

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R

Assertion A: The Kuroshio current system runs from Taiwan to the Bearing strait.

Reason R: Tsushima current has relatively colder temperature and it modifies the weather conditions of the Australian coast.

In the light of the above statements, choose the most appropriate answer from the options given below

The correct answer is
A is correct but R is not correct.

To determine the correctness of the given statements, it's essential to understand the geographical and climatological aspects of ocean currents and their influence:

  1. Assertion A: The Kuroshio current system runs from Taiwan to the Bering Strait.
    • The Kuroshio Current is one of the major ocean currents in the western Pacific Ocean. It flows northward from the coastal waters of Taiwan, past Japan, and into the North Pacific Ocean.
    • However, the Kuroshio Current itself does not extend all the way to the Bering Strait. It primarily affects the regions around Japan before branching into different currents or becoming part of the North Pacific Current.
    • Thus, while Assertion A is broadly correct about the Kuroshio Current originating near Taiwan and moving northward, it inaccurately states that it reaches the Bering Strait.
  2. Reason R: Tsushima current has relatively colder temperatures and it modifies the weather conditions of the Australian coast.
    • The Tsushima Current is a branch of the Kuroshio Current. It flows northeastward towards the Sea of Japan, characterized by warm temperatures.
    • The statement incorrectly describes the Tsushima Current as having a cold temperature and impacting Australian weather, which is geographically inaccurate as the Tsushima Current does not flow towards Australia.

Now, let's match our findings with the provided options:

  • Option 1: Both A and R are correct and R is the correct explanation of A.
  • Option 2: Both A and R are correct but R is NOT the correct explanation of A.
  • Option 3: A is correct but R is not correct.
  • Option 4: A is not correct but R is correct.

Upon analysis:

  • Assertion A contains a geographically incorrect statement about the extent of the Kuroshio Current but the initial part is correct.
  • Reason R is incorrect due to the misunderstanding of the Tsushima Current’s characteristics and geographical influence.

Therefore, the most appropriate answer is Option 3: A is correct but R is not correct.

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Important Questions from Oceanography

  1. Which one of the following is not a cold current?

  2. Which of the following positions of Sun, Earth and Moon is/are suitable for Spring Tide?

    1. SYZYGY Conjunction

    2. SYZYGY Opposition

    3. Quadrature

    Select the correct answer using the code given below :

  3. The maximum depth of Lithosphere is found in the

  4. The periodic rise and fall of ocean water in response to gravitational forces is called

  5. Consider the following statements regarding 'fronts':

    1. The movement of a front causes a slow change in weather in the area over which it moves.

    2. Cold fronts are associated with thunderstorms.

    3. Warm front is the boundary between an advancing mass of warm air where it is overriding and rising above a mass of colder air.

    Which of the statements given above is/are correct?

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